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Searched refs:K_low (Results 1 – 2 of 2) sorted by relevance

/external/webrtc/common_audio/signal_processing/
Dlevinson_durbin.c35 int16_t K_hi, K_low; in WebRtcSpl_LevinsonDurbin() local
69 K_low = (int16_t)((temp1W32 - ((int32_t)K_hi * 65536)) >> 1); in WebRtcSpl_LevinsonDurbin()
82 temp1W32 = ((K_hi * K_low >> 14) + K_hi * K_hi) * 2; // = k^2 in Q31 in WebRtcSpl_LevinsonDurbin()
155 K_low = (int16_t)((temp3W32 - ((int32_t)K_hi * 65536)) >> 1); in WebRtcSpl_LevinsonDurbin()
182 (K_low * A_hi[i - j] >> 15)) * 2; in WebRtcSpl_LevinsonDurbin()
200 temp1W32 = ((K_hi * K_low >> 14) + K_hi * K_hi) * 2; // K*K in Q31 in WebRtcSpl_LevinsonDurbin()
/external/webrtc/modules/audio_coding/codecs/isac/fix/source/
Dlpc_masking_model.c80 int16_t K_hi, K_low; /* reflection coefficient in high precision */ in WebRtcSpl_LevinsonW32_JSK() local
110 K_low = (int16_t)((temp1W32 - ((int32_t)K_hi << 16)) >> 1); in WebRtcSpl_LevinsonW32_JSK()
123 temp1W32 = (((K_hi * K_low) >> 14) + K_hi * K_hi) << 1; /* = k^2 in Q31 */ in WebRtcSpl_LevinsonW32_JSK()
194 K_low = (int16_t)((temp3W32 - ((int32_t)K_hi << 16)) >> 1); in WebRtcSpl_LevinsonW32_JSK()
218 ((K_low * A_hi[i - j]) >> 15)) << 1; // temp1W32 += K*A[i-j] in Q27. in WebRtcSpl_LevinsonW32_JSK()
233 temp1W32 = (((K_hi * K_low) >> 14) + K_hi * K_hi) << 1; /* K*K in Q31 */ in WebRtcSpl_LevinsonW32_JSK()