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

/AliOS-Things-master/components/uvoice/audio/
A Daudio_aec.c57 uvoice_ringbuff_read(&aec->rb, aec->echo_buffer, nbytes); in audio_aec_process()
59 if (echo_cancellation_process(aec, buffer, aec->echo_buffer, nbytes)) { in audio_aec_process()
92 aec->echo_buffer = snd_zalloc(aec->echo_buffer_size, AFM_MAIN); in audio_aec_init()
93 if (!aec->echo_buffer) { in audio_aec_init()
103 snd_free(aec->echo_buffer); in audio_aec_init()
112 snd_free(aec->echo_buffer); in audio_aec_init()
142 snd_free(aec->echo_buffer); in audio_aec_deinit()
A Daudio_aec.h17 uint8_t *echo_buffer; member

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