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Audio Playback
MP3 playback
To play a MP3 file, use madplay:
WAV playback
To play a WAV file, use aplay as below:
Audio recording
WAV recording
Note: for a high bit-rate WAV recording (like 16bit/44.1k format as the
below example), please record the file to a destination with high I/O speed
(e.g. USB drive, SD card, or RAM) instead of the on-board flash. Due to the
low writing speed of the on-board flash, users will experience sound
jittering and buffer overrun if the recorded file is written to the on-board
flash.
To record an audio file, use arecord as below:
-57-
Document Name
AI7688H
Reference Manual
Version
V 2.0
Date
2019/08/08
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