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/hardware/libhardware_legacy/audio/
DAudioPolicyManagerBase.cpp3080 float decibels = curve[segment].mDBAttenuation + in volIndexToAmpl() local
3087 float amplification = exp( decibels * 0.115129f); // exp( dB * ln(10) / 20 ) in volIndexToAmpl()
3093 decibels, in volIndexToAmpl()