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| MPEG-7 Schema Search Engine |
<complexType name="InstrumentTimbreType">
<complexContent>
<extension base="mpeg7:AudioDSType">
<sequence>
<element name="LogAttackTime" type="mpeg7:LogAttackTimeType" minOccurs="0"/>
<element name="HarmonicSpectralCentroid" type="mpeg7:HarmonicSpectralCentroidType" minOccurs="0"/>
<element name="HarmonicSpectralDeviation" type="mpeg7:HarmonicSpectralDeviationType" minOccurs="0"/>
<element name="HarmonicSpectralSpread" type="mpeg7:HarmonicSpectralSpreadType" minOccurs="0"/>
<element name="HarmonicSpectralVariation" type="mpeg7:HarmonicSpectralVariationType" minOccurs="0"/>
<element name="SpectralCentroid" type="mpeg7:SpectralCentroidType" minOccurs="0"/>
<element name="TemporalCentroid" type="mpeg7:TemporalCentroidType" minOccurs="0"/>
</sequence>
</extension>
</complexContent>
</complexType>