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Searched refs:K_hi (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
68 K_hi = (int16_t)(temp1W32 >> 16); in WebRtcSpl_LevinsonDurbin()
69 K_low = (int16_t)((temp1W32 - ((int32_t)K_hi * 65536)) >> 1); in WebRtcSpl_LevinsonDurbin()
72 K[0] = K_hi; in WebRtcSpl_LevinsonDurbin()
82 temp1W32 = ((K_hi * K_low >> 14) + K_hi * K_hi) * 2; // = k^2 in Q31 in WebRtcSpl_LevinsonDurbin()
154 K_hi = (int16_t)(temp3W32 >> 16); in WebRtcSpl_LevinsonDurbin()
155 K_low = (int16_t)((temp3W32 - ((int32_t)K_hi * 65536)) >> 1); in WebRtcSpl_LevinsonDurbin()
158 K[i - 1] = K_hi; in WebRtcSpl_LevinsonDurbin()
163 if ((int32_t)WEBRTC_SPL_ABS_W16(K_hi) > (int32_t)32750) in WebRtcSpl_LevinsonDurbin()
181 temp1W32 += (K_hi * A_hi[i - j] + (K_hi * A_low[i - j] >> 15) + in WebRtcSpl_LevinsonDurbin()
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/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
109 K_hi = (int16_t)(temp1W32 >> 16); in WebRtcSpl_LevinsonW32_JSK()
110 K_low = (int16_t)((temp1W32 - ((int32_t)K_hi << 16)) >> 1); in WebRtcSpl_LevinsonW32_JSK()
113 K[0] = K_hi; in WebRtcSpl_LevinsonW32_JSK()
123 temp1W32 = (((K_hi * K_low) >> 14) + K_hi * K_hi) << 1; /* = k^2 in Q31 */ in WebRtcSpl_LevinsonW32_JSK()
193 K_hi = (int16_t)(temp3W32 >> 16); in WebRtcSpl_LevinsonW32_JSK()
194 K_low = (int16_t)((temp3W32 - ((int32_t)K_hi << 16)) >> 1); in WebRtcSpl_LevinsonW32_JSK()
197 K[i-1] = K_hi; in WebRtcSpl_LevinsonW32_JSK()
203 if ((int32_t)WEBRTC_SPL_ABS_W16(K_hi) > (int32_t)32740) { in WebRtcSpl_LevinsonW32_JSK()
217 temp1W32 += (K_hi * A_hi[i - j] + ((K_hi * A_low[i - j]) >> 15) + in WebRtcSpl_LevinsonW32_JSK()
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