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

/external/webrtc/webrtc/common_audio/signal_processing/
Dlevinson_durbin.c27 int16_t R_hi[SPL_LEVINSON_MAXORDER + 1], R_low[SPL_LEVINSON_MAXORDER + 1]; in WebRtcSpl_LevinsonDurbin() local
49 R_low[i] = (int16_t)((temp1W32 - ((int32_t)R_hi[i] << 16)) >> 1); in WebRtcSpl_LevinsonDurbin()
55 + WEBRTC_SPL_LSHIFT_W32((int32_t)R_low[1],1); // R[1] in Q31 in WebRtcSpl_LevinsonDurbin()
57 temp1W32 = WebRtcSpl_DivW32HiLow(temp3W32, R_hi[0], R_low[0]); // abs(R[1])/R[0] in Q31 in WebRtcSpl_LevinsonDurbin()
90 (R_low[0] * tmp_hi >> 15)) << 1; in WebRtcSpl_LevinsonDurbin()
117 (R_low[j] * A_hi[i - j] >> 15)) << 1); in WebRtcSpl_LevinsonDurbin()
122 + WEBRTC_SPL_LSHIFT_W32((int32_t)R_low[i], 1)); in WebRtcSpl_LevinsonDurbin()
/external/webrtc/webrtc/modules/audio_coding/codecs/isac/fix/source/
Dlpc_masking_model.c73 int16_t R_hi[LEVINSON_MAX_ORDER+1], R_low[LEVINSON_MAX_ORDER+1]; in WebRtcSpl_LevinsonW32_JSK() local
94 R_low[i] = (int16_t)((temp1W32 - ((int32_t)R_hi[i] << 16)) >> 1); in WebRtcSpl_LevinsonW32_JSK()
99 temp2W32 = (R_hi[1] << 16) + (R_low[1] << 1); /* R[1] in Q31 */ in WebRtcSpl_LevinsonW32_JSK()
101 temp1W32 = WebRtcSpl_DivW32HiLow(temp3W32, R_hi[0], R_low[0]); /* abs(R[1])/R[0] in Q31 */ in WebRtcSpl_LevinsonW32_JSK()
133 ((R_low[0] * tmp_hi) >> 15)) << 1; in WebRtcSpl_LevinsonW32_JSK()
162 ((R_low[j] * A_hi[i - j]) >> 15)) << 1); in WebRtcSpl_LevinsonW32_JSK()
166 temp1W32 += (R_hi[i] << 16) + (R_low[i] << 1); in WebRtcSpl_LevinsonW32_JSK()