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2007 Apr 25
0
echo cancellation on Blackfin DSK
...} else //Speex is enabled so do a lot more work { #ifndef ACTIVATE_STEREO // Demux the stereo stream for(i = 0; i < SPEEX_FRAME_SIZE; i++) { *in_left++ = *in++; // channel 1 in++; // channel 2 } in_left = in_buffer_calc; speex_bits_reset(&g_Bits); // Encode the frame speex_encode_int(g_pvEnc, (spx_int16_t *)in_left, &g_Bits); nbBits = speex_bits_write(&g_Bits, cbits, 200); speex_bits_rewind(&g_Bits); SpeexEchoState *st= speex_echo_state_init(SPEEX_FRAME_SIZE,filter_length); speex_echo_cancel(st,(...