Other Parts Discussed in Thread: WL1831,
Connect to the Bluetooth, call the phone, the other party did not answer beep puff pop sound. The call also exists. If the other party made a single frequency sound wl1831 pcm out easy to hear pop puff sound.
WL1831MOD .bts is
PCM TO AK7756,AK7756 Timing:
air and lgr:
