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

/external/webrtc/webrtc/common_audio/signal_processing/
Dlevinson_durbin.c29 int16_t A_hi[SPL_LEVINSON_MAXORDER + 1], A_low[SPL_LEVINSON_MAXORDER + 1]; in WebRtcSpl_LevinsonDurbin() local
75 A_low[1] = (int16_t)((temp1W32 - ((int32_t)A_hi[1] << 16)) >> 1); in WebRtcSpl_LevinsonDurbin()
116 (((R_hi[j] * A_low[i - j] >> 15) + in WebRtcSpl_LevinsonDurbin()
175 + WEBRTC_SPL_LSHIFT_W32((int32_t)A_low[j],1); in WebRtcSpl_LevinsonDurbin()
178 temp1W32 += (K_hi * A_hi[i - j] + (K_hi * A_low[i - j] >> 15) + in WebRtcSpl_LevinsonDurbin()
226 A_low[j] = A_upd_low[j]; in WebRtcSpl_LevinsonDurbin()
241 + WEBRTC_SPL_LSHIFT_W32((int32_t)A_low[i], 1); in WebRtcSpl_LevinsonDurbin()
/external/webrtc/webrtc/modules/audio_coding/codecs/isac/fix/source/
Dlpc_masking_model.c75 int16_t A_hi[LEVINSON_MAX_ORDER+1], A_low[LEVINSON_MAX_ORDER+1]; in WebRtcSpl_LevinsonW32_JSK() local
118 A_low[1] = (int16_t)((temp1W32 - ((int32_t)A_hi[1] << 16)) >> 1); in WebRtcSpl_LevinsonW32_JSK()
161 ((((R_hi[j] * A_low[i - j]) >> 15) + in WebRtcSpl_LevinsonW32_JSK()
214 temp1W32 = (A_hi[j] << 16) + (A_low[j] << 1); // temp1W32 = A[j] in Q27 in WebRtcSpl_LevinsonW32_JSK()
216 temp1W32 += (K_hi * A_hi[i - j] + ((K_hi * A_low[i - j]) >> 15) + in WebRtcSpl_LevinsonW32_JSK()
261 A_low[j] =A_upd_low[j]; in WebRtcSpl_LevinsonW32_JSK()
274 temp1W32 = (A_hi[i] << 16) + (A_low[i] << 1); in WebRtcSpl_LevinsonW32_JSK()