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Linux/AM5728: Problem in Audio capture

Marka Reddy
Expert 1260 points
Part Number: AM5728
Other Parts Discussed in Thread: TLV320AIC3106

Tool/software: Linux

Hi,

we are working on a custom AM5728 based board. we are trying to capture Audio through McASP using TLV320AIC3106.

audio is getting captured but while analyzing the output file it is observed that negative part of the waveform is getting clipped. Hardware input is ok till the input of TLV320AIC3106. we are giving input to 2L only . 2R is tied to ground.

Are there any software settings to be checked ? like signed or unsigned format etc.. 

BR

Markareddy

  • 0
    TI__Guru**** 170625 points
    Hi Marka,

    Do you need advice for SW settings of AM572x McASP module or AIC3106 codec?

    You need to explore the audio signals (data, clock, FS) with scope in pins between McASP module and AIC3106 codec, thus you should isolate where the issue is - in McASP module or in AIC3106 codec.

    Regards,
    Pavel