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  /external/webrtc/src/common_audio/vad/
vad_core.h 124 * - feature_vector : Feature vector = log10(energy in frequency band)
132 WebRtc_Word16 WebRtcVad_GmmProbability(VadInstT* inst, WebRtc_Word16* feature_vector,
vad_core.c 316 WebRtc_Word16 feature_vector[NUM_CHANNELS], total_power; local
319 total_power = WebRtcVad_get_features(inst, speech_frame, frame_length, feature_vector);
322 inst->vad = WebRtcVad_GmmProbability(inst, feature_vector, total_power, frame_length);
329 WebRtc_Word16 WebRtcVad_GmmProbability(VadInstT *inst, WebRtc_Word16 *feature_vector,
397 xval = feature_vector[n];
494 backval = WebRtcVad_FindMinimum(inst, feature_vector[n], n); // Q4
572 tmp16 = feature_vector[n] - tmp16; // Q4
598 // deltaN * (feature_vector[n] - nmk) - 1, Q11 * Q4
599 tmp16 = feature_vector[n] - WEBRTC_SPL_RSHIFT_W16(nmk, 3);

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