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        <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link" >
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          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_ConvertibleSecuritiesRiskMember" xml:lang="en-US">Convertible Securities Risk [Member]</link:label>
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          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_CounterpartyRiskMember" xml:lang="en-US">Counterparty Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_CounterpartyRiskMember" xlink:to="lab_cik0001219360_CounterpartyRiskMember" />
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          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_CreditRisksMember" xml:lang="en-US">Credit Risk [Member]</link:label>
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          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_CSDRRelatedRiskMember" xml:lang="en-US">CSDR Related Risk [Member]</link:label>
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          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_CurrencyRiskMember" xml:lang="en-US">Currency Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_CurrencyRiskMember" xlink:to="lab_cik0001219360_CurrencyRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_CyberSecurityRiskMember" xlink:label="loc_cik0001219360_CyberSecurityRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_CyberSecurityRiskMember" xml:lang="en-US">Cyber Security Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_CyberSecurityRiskMember" xlink:to="lab_cik0001219360_CyberSecurityRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_DebtSecuritiesRiskMember" xlink:label="loc_cik0001219360_DebtSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_DebtSecuritiesRiskMember" xml:lang="en-US">Debt Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_DebtSecuritiesRiskMember" xlink:to="lab_cik0001219360_DebtSecuritiesRiskMember" />
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          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_DistressedAndDefaultedSecuritiesRiskMember" xml:lang="en-US">Distressed and Defaulted Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_DistressedAndDefaultedSecuritiesRiskMember" xlink:to="lab_cik0001219360_DistressedAndDefaultedSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_DistributionRateRiskMember" xlink:label="loc_cik0001219360_DistributionRateRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_DistributionRateRiskMember" xml:lang="en-US">Distribution Rate Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_DistributionRateRiskMember" xlink:to="lab_cik0001219360_DistributionRateRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_EmergingMarketsRiskMember" xlink:label="loc_cik0001219360_EmergingMarketsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_EmergingMarketsRiskMember" xml:lang="en-US">Emerging Markets Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_EmergingMarketsRiskMember" xlink:to="lab_cik0001219360_EmergingMarketsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_EquitySecuritiesAndRelatedMarketRiskMember" xlink:label="loc_cik0001219360_EquitySecuritiesAndRelatedMarketRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_EquitySecuritiesAndRelatedMarketRiskMember" xml:lang="en-US">Equity Securities and Related Market Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_EquitySecuritiesAndRelatedMarketRiskMember" xlink:to="lab_cik0001219360_EquitySecuritiesAndRelatedMarketRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_FocusedInvestmentRiskMember" xlink:label="loc_cik0001219360_FocusedInvestmentRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_FocusedInvestmentRiskMember" xml:lang="en-US">Focused Investment Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_FocusedInvestmentRiskMember" xlink:to="lab_cik0001219360_FocusedInvestmentRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_ForeignNonUSInvestmentRiskMember" xlink:label="loc_cik0001219360_ForeignNonUSInvestmentRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_ForeignNonUSInvestmentRiskMember" xml:lang="en-US">Foreign (Non-U.S.) Investment Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_ForeignNonUSInvestmentRiskMember" xlink:to="lab_cik0001219360_ForeignNonUSInvestmentRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_ForeignLoanOriginationsRiskMember" xlink:label="loc_cik0001219360_ForeignLoanOriginationsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_ForeignLoanOriginationsRiskMember" xml:lang="en-US">Foreign Loan Originations Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_ForeignLoanOriginationsRiskMember" xlink:to="lab_cik0001219360_ForeignLoanOriginationsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_HighYieldSecuritiesRiskMember" xlink:label="loc_cik0001219360_HighYieldSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_HighYieldSecuritiesRiskMember" xml:lang="en-US">High Yield Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_HighYieldSecuritiesRiskMember" xlink:to="lab_cik0001219360_HighYieldSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_InflationDeflationRiskMember" xlink:label="loc_cik0001219360_InflationDeflationRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_InflationDeflationRiskMember" xml:lang="en-US">Inflation/Deflation Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_InflationDeflationRiskMember" xlink:to="lab_cik0001219360_InflationDeflationRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_InflationindexedSecurityRiskMember" xlink:label="loc_cik0001219360_InflationindexedSecurityRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_InflationindexedSecurityRiskMember" xml:lang="en-US">Inflation-Indexed Security Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_InflationindexedSecurityRiskMember" xlink:to="lab_cik0001219360_InflationindexedSecurityRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_IssuerRiskMember" xlink:label="loc_cik0001219360_IssuerRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_IssuerRiskMember" xml:lang="en-US">Issuer Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_IssuerRiskMember" xlink:to="lab_cik0001219360_IssuerRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_LeverageRiskMember" xlink:label="loc_cik0001219360_LeverageRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_LeverageRiskMember" xml:lang="en-US">Leverage Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_LeverageRiskMember" xlink:to="lab_cik0001219360_LeverageRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_LiquidityRiskMember" xlink:label="loc_cik0001219360_LiquidityRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_LiquidityRiskMember" xml:lang="en-US">Liquidity Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_LiquidityRiskMember" xlink:to="lab_cik0001219360_LiquidityRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_InsuranceLinkedAndOtherInstrumentsRiskMember" xlink:label="loc_cik0001219360_InsuranceLinkedAndOtherInstrumentsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_InsuranceLinkedAndOtherInstrumentsRiskMember" xml:lang="en-US">Insurance-Linked and Other Instruments Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_InsuranceLinkedAndOtherInstrumentsRiskMember" xlink:to="lab_cik0001219360_InsuranceLinkedAndOtherInstrumentsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_LoanOriginationRiskMember" xlink:label="loc_cik0001219360_LoanOriginationRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_LoanOriginationRiskMember" xml:lang="en-US">Loan Origination Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_LoanOriginationRiskMember" xlink:to="lab_cik0001219360_LoanOriginationRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" xlink:label="loc_cik0001219360_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" xml:lang="en-US">Loans and Other Indebtedness; Loan Acquisitions, Participations and Assignments Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" xlink:to="lab_cik0001219360_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_ManagementRiskMember" xlink:label="loc_cik0001219360_ManagementRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_ManagementRiskMember" xml:lang="en-US">Management Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_ManagementRiskMember" xlink:to="lab_cik0001219360_ManagementRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_MarketDiscountRiskMember" xlink:label="loc_cik0001219360_MarketDiscountRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_MarketDiscountRiskMember" xml:lang="en-US">Market Discount Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_MarketDiscountRiskMember" xlink:to="lab_cik0001219360_MarketDiscountRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_MarketDisruptionsRiskMember" xlink:label="loc_cik0001219360_MarketDisruptionsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_MarketDisruptionsRiskMember" xml:lang="en-US">Market Disruptions Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_MarketDisruptionsRiskMember" xlink:to="lab_cik0001219360_MarketDisruptionsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_MarketRiskMember" xlink:label="loc_cik0001219360_MarketRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_MarketRiskMember" xml:lang="en-US">Market Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_MarketRiskMember" xlink:to="lab_cik0001219360_MarketRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" xlink:label="loc_cik0001219360_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" xml:lang="en-US">Mortgage-Related and Other Asset-Backed Instruments Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" xlink:to="lab_cik0001219360_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_MortgageRelatedDerivativeInstrumentsRiskMember" xlink:label="loc_cik0001219360_MortgageRelatedDerivativeInstrumentsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_MortgageRelatedDerivativeInstrumentsRiskMember" xml:lang="en-US">Mortgage-Related Derivative Instruments Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_MortgageRelatedDerivativeInstrumentsRiskMember" xlink:to="lab_cik0001219360_MortgageRelatedDerivativeInstrumentsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_OperationalRiskMember" xlink:label="loc_cik0001219360_OperationalRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_OperationalRiskMember" xml:lang="en-US">Operational Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_OperationalRiskMember" xlink:to="lab_cik0001219360_OperationalRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_OtherInvestmentCompaniesRiskMember" xlink:label="loc_cik0001219360_OtherInvestmentCompaniesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_OtherInvestmentCompaniesRiskMember" xml:lang="en-US">Other Investment Companies Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_OtherInvestmentCompaniesRiskMember" xlink:to="lab_cik0001219360_OtherInvestmentCompaniesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_PlatformRiskMember" xlink:label="loc_cik0001219360_PlatformRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_PlatformRiskMember" xml:lang="en-US">Platform Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_PlatformRiskMember" xlink:to="lab_cik0001219360_PlatformRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_PortfolioTurnoverRiskMember" xlink:label="loc_cik0001219360_PortfolioTurnoverRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_PortfolioTurnoverRiskMember" xml:lang="en-US">Portfolio Turnover Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_PortfolioTurnoverRiskMember" xlink:to="lab_cik0001219360_PortfolioTurnoverRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_PotentialConflictsOfInterestRiskAllocationOfInvestmentOpportunitiesMember" xlink:label="loc_cik0001219360_PotentialConflictsOfInterestRiskAllocationOfInvestmentOpportunitiesMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_PotentialConflictsOfInterestRiskAllocationOfInvestmentOpportunitiesMember" xml:lang="en-US">Potential Conflicts of Interest Risk &#8212; Allocation of Investment Opportunities [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_PotentialConflictsOfInterestRiskAllocationOfInvestmentOpportunitiesMember" xlink:to="lab_cik0001219360_PotentialConflictsOfInterestRiskAllocationOfInvestmentOpportunitiesMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_PreferredSecuritiesRiskMember" xlink:label="loc_cik0001219360_PreferredSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_PreferredSecuritiesRiskMember" xml:lang="en-US">Preferred Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_PreferredSecuritiesRiskMember" xlink:to="lab_cik0001219360_PreferredSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_PrivacyAndDataSecurityRiskMember" xlink:label="loc_cik0001219360_PrivacyAndDataSecurityRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_PrivacyAndDataSecurityRiskMember" xml:lang="en-US">Privacy and Data Security Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_PrivacyAndDataSecurityRiskMember" xlink:to="lab_cik0001219360_PrivacyAndDataSecurityRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_PrivatePlacementsAndRestrictedSecuritiesRiskMember" xlink:label="loc_cik0001219360_PrivatePlacementsAndRestrictedSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_PrivatePlacementsAndRestrictedSecuritiesRiskMember" xml:lang="en-US">Private Placements and Restricted Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_PrivatePlacementsAndRestrictedSecuritiesRiskMember" xlink:to="lab_cik0001219360_PrivatePlacementsAndRestrictedSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_RealEstateRiskMember" xlink:label="loc_cik0001219360_RealEstateRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_RealEstateRiskMember" xml:lang="en-US">Real Estate Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_RealEstateRiskMember" xlink:to="lab_cik0001219360_RealEstateRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_RegulationSSecuritiesRiskMember" xlink:label="loc_cik0001219360_RegulationSSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_RegulationSSecuritiesRiskMember" xml:lang="en-US">Regulation S Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_RegulationSSecuritiesRiskMember" xlink:to="lab_cik0001219360_RegulationSSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_RegulatoryChangesRiskMember" xlink:label="loc_cik0001219360_RegulatoryChangesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_RegulatoryChangesRiskMember" xml:lang="en-US">Regulatory Changes Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_RegulatoryChangesRiskMember" xlink:to="lab_cik0001219360_RegulatoryChangesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_RegulatoryRiskCommodityPoolOperatorMember" xlink:label="loc_cik0001219360_RegulatoryRiskCommodityPoolOperatorMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_RegulatoryRiskCommodityPoolOperatorMember" xml:lang="en-US">Regulatory Risk &#8212; Commodity Pool Operator [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_RegulatoryRiskCommodityPoolOperatorMember" xlink:to="lab_cik0001219360_RegulatoryRiskCommodityPoolOperatorMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_ReinvestmentRiskMember" xlink:label="loc_cik0001219360_ReinvestmentRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_ReinvestmentRiskMember" xml:lang="en-US">Reinvestment Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_ReinvestmentRiskMember" xlink:to="lab_cik0001219360_ReinvestmentRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_REITRiskMember" xlink:label="loc_cik0001219360_REITRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_REITRiskMember" xml:lang="en-US">REIT Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_REITRiskMember" xlink:to="lab_cik0001219360_REITRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_RepurchaseAgreementsRiskMember" xlink:label="loc_cik0001219360_RepurchaseAgreementsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_RepurchaseAgreementsRiskMember" xml:lang="en-US">Repurchase Agreements Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_RepurchaseAgreementsRiskMember" xlink:to="lab_cik0001219360_RepurchaseAgreementsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_RiskRetentionInvestmentRiskMember" xlink:label="loc_cik0001219360_RiskRetentionInvestmentRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_RiskRetentionInvestmentRiskMember" xml:lang="en-US">Risk Retention Investment Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_RiskRetentionInvestmentRiskMember" xlink:to="lab_cik0001219360_RiskRetentionInvestmentRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_SecuritiesLendingRiskMember" xlink:label="loc_cik0001219360_SecuritiesLendingRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_SecuritiesLendingRiskMember" xml:lang="en-US">Securities Lending Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_SecuritiesLendingRiskMember" xlink:to="lab_cik0001219360_SecuritiesLendingRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_SeniorDebtRiskMember" xlink:label="loc_cik0001219360_SeniorDebtRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_SeniorDebtRiskMember" xml:lang="en-US">Senior Debt Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_SeniorDebtRiskMember" xlink:to="lab_cik0001219360_SeniorDebtRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_ShortExposureRiskMember" xlink:label="loc_cik0001219360_ShortExposureRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_ShortExposureRiskMember" xml:lang="en-US">Short Exposure Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_ShortExposureRiskMember" xlink:to="lab_cik0001219360_ShortExposureRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" xlink:label="loc_cik0001219360_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" xml:lang="en-US">Special Purpose Acquisition Companies ("SPACs") Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" xlink:to="lab_cik0001219360_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_SmallerCompanyRiskMember" xlink:label="loc_cik0001219360_SmallerCompanyRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_SmallerCompanyRiskMember" xml:lang="en-US">Smaller Company Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_SmallerCompanyRiskMember" xlink:to="lab_cik0001219360_SmallerCompanyRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_SovereignDebtRiskMember" xlink:label="loc_cik0001219360_SovereignDebtRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_SovereignDebtRiskMember" xml:lang="en-US">Sovereign Debt Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_SovereignDebtRiskMember" xlink:to="lab_cik0001219360_SovereignDebtRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_StructuredInvestmentsRiskMember" xlink:label="loc_cik0001219360_StructuredInvestmentsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_StructuredInvestmentsRiskMember" xml:lang="en-US">Structured Investments Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_StructuredInvestmentsRiskMember" xlink:to="lab_cik0001219360_StructuredInvestmentsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_SubprimeRiskMember" xlink:label="loc_cik0001219360_SubprimeRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_SubprimeRiskMember" xml:lang="en-US">Subprime Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_SubprimeRiskMember" xlink:to="lab_cik0001219360_SubprimeRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_SubsidiaryRiskMember" xlink:label="loc_cik0001219360_SubsidiaryRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_SubsidiaryRiskMember" xml:lang="en-US">Subsidiary Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_SubsidiaryRiskMember" xlink:to="lab_cik0001219360_SubsidiaryRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_SyntheticConvertibleSecuritiesRiskMember" xlink:label="loc_cik0001219360_SyntheticConvertibleSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_SyntheticConvertibleSecuritiesRiskMember" xml:lang="en-US">Synthetic Convertible Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_SyntheticConvertibleSecuritiesRiskMember" xlink:to="lab_cik0001219360_SyntheticConvertibleSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_TaxRiskMember" xlink:label="loc_cik0001219360_TaxRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_TaxRiskMember" xml:lang="en-US">Tax Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_TaxRiskMember" xlink:to="lab_cik0001219360_TaxRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_USGovernmentSecuritiesRiskMember" xlink:label="loc_cik0001219360_USGovernmentSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_USGovernmentSecuritiesRiskMember" xml:lang="en-US">U.S. Government Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_USGovernmentSecuritiesRiskMember" xlink:to="lab_cik0001219360_USGovernmentSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_ValuationRiskMember" xlink:label="loc_cik0001219360_ValuationRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_ValuationRiskMember" xml:lang="en-US">Valuation Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_ValuationRiskMember" xlink:to="lab_cik0001219360_ValuationRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_ZeroCouponBondsStepUpsAndPaymentInKindSecuritiesRiskMember" xlink:label="loc_cik0001219360_ZeroCouponBondsStepUpsAndPaymentInKindSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_ZeroCouponBondsStepUpsAndPaymentInKindSecuritiesRiskMember" xml:lang="en-US">Zero-Coupon Bonds, Step-Ups and Payment-In-Kind Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_ZeroCouponBondsStepUpsAndPaymentInKindSecuritiesRiskMember" xlink:to="lab_cik0001219360_ZeroCouponBondsStepUpsAndPaymentInKindSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001219360-20260630.xsd#cik0001219360_DerivativesRiskMember" xlink:label="loc_cik0001219360_DerivativesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001219360_DerivativesRiskMember" xml:lang="en-US">Derivatives Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001219360_DerivativesRiskMember" xlink:to="lab_cik0001219360_DerivativesRiskMember" />
        </link:labelLink>
      </link:linkbase>
    </appinfo>
  </annotation>
  <import namespace="http://xbrl.sec.gov/cef/2026" schemaLocation="https://xbrl.sec.gov/cef/2026/cef-2026.xsd" />
  <import namespace="http://xbrl.sec.gov/cef-pre/2026" schemaLocation="https://xbrl.sec.gov/cef/2026/cef-2026_pre.xsd" />
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd" />
  <import namespace="http://xbrl.sec.gov/dei/2026" schemaLocation="https://xbrl.sec.gov/dei/2026/dei-2026.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" />
  <element name="AntiTakeoverProvisionsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_AntiTakeoverProvisionsMember" substitutionGroup="xbrli:item" />
  <element name="AssetAllocationRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_AssetAllocationRiskMember" substitutionGroup="xbrli:item" />
  <element name="CallRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_CallRiskMember" substitutionGroup="xbrli:item" />
  <element name="CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember" substitutionGroup="xbrli:item" />
  <element name="ConfidentialInformationAccessRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_ConfidentialInformationAccessRiskMember" substitutionGroup="xbrli:item" />
  <element name="ContingentConvertibleSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_ContingentConvertibleSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="ConvertibleSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_ConvertibleSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="CounterpartyRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_CounterpartyRiskMember" substitutionGroup="xbrli:item" />
  <element name="CovenantliteObligationsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_CovenantliteObligationsRiskMember" substitutionGroup="xbrli:item" />
  <element name="CreditDefaultSwapsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_CreditDefaultSwapsRiskMember" substitutionGroup="xbrli:item" />
  <element name="CreditRisksMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_CreditRisksMember" substitutionGroup="xbrli:item" />
  <element name="CSDRRelatedRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_CSDRRelatedRiskMember" substitutionGroup="xbrli:item" />
  <element name="CurrencyRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_CurrencyRiskMember" substitutionGroup="xbrli:item" />
  <element name="CyberSecurityRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_CyberSecurityRiskMember" substitutionGroup="xbrli:item" />
  <element name="DebtSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_DebtSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="DerivativesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_DerivativesRiskMember" substitutionGroup="xbrli:item" />
  <element name="DistressedAndDefaultedSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_DistressedAndDefaultedSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="EmergingMarketsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_EmergingMarketsRiskMember" substitutionGroup="xbrli:item" />
  <element name="DistributionRateRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_DistributionRateRiskMember" substitutionGroup="xbrli:item" />
  <element name="EquitySecuritiesAndRelatedMarketRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_EquitySecuritiesAndRelatedMarketRiskMember" substitutionGroup="xbrli:item" />
  <element name="FocusedInvestmentRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_FocusedInvestmentRiskMember" substitutionGroup="xbrli:item" />
  <element name="ForeignNonUSInvestmentRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_ForeignNonUSInvestmentRiskMember" substitutionGroup="xbrli:item" />
  <element name="HighYieldSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_HighYieldSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="InflationDeflationRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_InflationDeflationRiskMember" substitutionGroup="xbrli:item" />
  <element name="InflationindexedSecurityRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_InflationindexedSecurityRiskMember" substitutionGroup="xbrli:item" />
  <element name="IssuerRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_IssuerRiskMember" substitutionGroup="xbrli:item" />
  <element name="LeverageRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_LeverageRiskMember" substitutionGroup="xbrli:item" />
  <element name="LiquidityRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_LiquidityRiskMember" substitutionGroup="xbrli:item" />
  <element name="LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" substitutionGroup="xbrli:item" />
  <element name="ManagementRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_ManagementRiskMember" substitutionGroup="xbrli:item" />
  <element name="MarketDiscountRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_MarketDiscountRiskMember" substitutionGroup="xbrli:item" />
  <element name="MarketDisruptionsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_MarketDisruptionsRiskMember" substitutionGroup="xbrli:item" />
  <element name="MarketRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_MarketRiskMember" substitutionGroup="xbrli:item" />
  <element name="MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" substitutionGroup="xbrli:item" />
  <element name="MortgageRelatedDerivativeInstrumentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_MortgageRelatedDerivativeInstrumentsRiskMember" substitutionGroup="xbrli:item" />
  <element name="OperationalRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_OperationalRiskMember" substitutionGroup="xbrli:item" />
  <element name="OtherInvestmentCompaniesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_OtherInvestmentCompaniesRiskMember" substitutionGroup="xbrli:item" />
  <element name="PlatformRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_PlatformRiskMember" substitutionGroup="xbrli:item" />
  <element name="PortfolioTurnoverRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_PortfolioTurnoverRiskMember" substitutionGroup="xbrli:item" />
  <element name="PotentialConflictsOfInterestRiskAllocationOfInvestmentOpportunitiesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_PotentialConflictsOfInterestRiskAllocationOfInvestmentOpportunitiesMember" substitutionGroup="xbrli:item" />
  <element name="PreferredSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_PreferredSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="PrivacyAndDataSecurityRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_PrivacyAndDataSecurityRiskMember" substitutionGroup="xbrli:item" />
  <element name="PrivatePlacementsAndRestrictedSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_PrivatePlacementsAndRestrictedSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="RealEstateRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_RealEstateRiskMember" substitutionGroup="xbrli:item" />
  <element name="RegulationSSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_RegulationSSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="RegulatoryChangesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_RegulatoryChangesRiskMember" substitutionGroup="xbrli:item" />
  <element name="RegulatoryRiskCommodityPoolOperatorMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_RegulatoryRiskCommodityPoolOperatorMember" substitutionGroup="xbrli:item" />
  <element name="ReinvestmentRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_ReinvestmentRiskMember" substitutionGroup="xbrli:item" />
  <element name="REITRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_REITRiskMember" substitutionGroup="xbrli:item" />
  <element name="RepurchaseAgreementsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_RepurchaseAgreementsRiskMember" substitutionGroup="xbrli:item" />
  <element name="RiskRetentionInvestmentRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_RiskRetentionInvestmentRiskMember" substitutionGroup="xbrli:item" />
  <element name="SecuritiesLendingRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_SecuritiesLendingRiskMember" substitutionGroup="xbrli:item" />
  <element name="SeniorDebtRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_SeniorDebtRiskMember" substitutionGroup="xbrli:item" />
  <element name="ShortExposureRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_ShortExposureRiskMember" substitutionGroup="xbrli:item" />
  <element name="SpecialPurposeAcquisitionCompaniesSPACsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" substitutionGroup="xbrli:item" />
  <element name="SmallerCompanyRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_SmallerCompanyRiskMember" substitutionGroup="xbrli:item" />
  <element name="SovereignDebtRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_SovereignDebtRiskMember" substitutionGroup="xbrli:item" />
  <element name="StructuredInvestmentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_StructuredInvestmentsRiskMember" substitutionGroup="xbrli:item" />
  <element name="SubprimeRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_SubprimeRiskMember" substitutionGroup="xbrli:item" />
  <element name="SubsidiaryRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_SubsidiaryRiskMember" substitutionGroup="xbrli:item" />
  <element name="SyntheticConvertibleSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_SyntheticConvertibleSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="TaxRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_TaxRiskMember" substitutionGroup="xbrli:item" />
  <element name="USGovernmentSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_USGovernmentSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="ValuationRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_ValuationRiskMember" substitutionGroup="xbrli:item" />
  <element name="ZeroCouponBondsStepUpsAndPaymentInKindSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_ZeroCouponBondsStepUpsAndPaymentInKindSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="InsuranceLinkedAndOtherInstrumentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_InsuranceLinkedAndOtherInstrumentsRiskMember" substitutionGroup="xbrli:item" />
  <element name="ForeignLoanOriginationsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_ForeignLoanOriginationsRiskMember" substitutionGroup="xbrli:item" />
  <element name="LoanOriginationRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_LoanOriginationRiskMember" substitutionGroup="xbrli:item" />
  <element name="CommonSharesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001219360_CommonSharesMember" substitutionGroup="xbrli:item" />
</schema>
