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/external/webrtc/webrtc/modules/audio_coding/codecs/cng/
H A Dwebrtc_cng.c481 int16_t excitation[WEBRTC_CNG_MAX_OUTSIZE_ORDER]; local
551 /* Calculate sqrt(En * target_energy / excitation energy) */
558 /* Generate excitation. */
561 excitation[i] = WebRtcSpl_RandN(&inst->dec_seed) >> 1;
565 WebRtcSpl_ScaleVector(excitation, excitation, inst->dec_used_scale_factor,
569 * |excitation| - Speech samples.
572 WebRtcSpl_FilterAR(lpPoly, WEBRTC_CNG_MAX_LPC_ORDER + 1, excitation,

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