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Bluetooth SCO over PCM ?

Question asked by robin singh on May 17, 2016
Latest reply on Nov 27, 2017 by Vimal Babu

HI All ,


I am working on bluetooth sco data over PCM at IMX6dl based custom HW  with android 4.4.3 and  I can record audio  by using “tinycap” and played it back on BT headset via “tinyplay” ,  which sound good.


But I get the problem when I tried to play some other  * .wav file(which is not recorded from BT headset.) via tinyplay. all those file sound like faster or someting noise,   So I have a question about sco over pcm.


Does PCM data transferred over PCM bus, need to be SBC encoded if the pcm interface connected with Bluetooth module ?




Robin Singh