LV_SRE_DecodeEnergy

Measures the energy of audio data in a voice channel.

float LV_SRE_DecodeEnergy(HPORT hport, int VoiceChannel);

Return Values

The value indicates the level of the energy. Energy is measured as the average sum of squares of the waveform on a 16-bit scale. Values can range from 0-1073741824, but usually range between 10⁶ and 10⁸ for normal speech.

Parameters

hport

The handle for the speech port you are loading the audio into. A voice channel used for decoding energy and/or pitch may not be used to perform decodes.

VoiceChannel

The voice channel to process.

Remarks

Giving a bad port or a bad voice channel will cause the Engine to crash.

See Also

• LV_SpeechPort::MeasureEnergy

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