Lines Matching refs:lpc
536 static void lspf2lpc(const float *lspf, float *lpc) in lspf2lpc() argument
545 ff_acelp_lspd2lpc(lsp, lpc, 5); in lspf2lpc()
548 lpc[i] *= bandwidth_expansion_coeff; in lspf2lpc()
565 float *lpc, const int subframe_num) in interpolate_lpc() argument
580 lspf2lpc(interpolated_lspf, lpc); in interpolate_lpc()
583 lspf2lpc(curr_lspf, lpc); in interpolate_lpc()
585 lspf2lpc(q->prev_lspf, lpc); in interpolate_lpc()
654 static void postfilter(QCELPContext *q, float *samples, float *lpc) in postfilter() argument
667 lpc_s[n] = lpc[n] * pow_0_625[n]; in postfilter()
668 lpc_p[n] = lpc[n] * pow_0_775[n]; in postfilter()
695 float quantized_lspf[10], lpc[10]; in qcelp_decode_frame() local
774 interpolate_lpc(q, quantized_lspf, lpc, i); in qcelp_decode_frame()
775 ff_celp_lp_synthesis_filterf(formant_mem, lpc, in qcelp_decode_frame()
781 postfilter(q, outbuffer, lpc); in qcelp_decode_frame()