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TLV320AIC3106 codec problem

rana umar
Intellectual 310 points

Other Parts Discussed in Thread: TLV320AIC3106

I use logicpd kit with c6748 SOM.

When i perform only audio loopback test the output audio is fine but when i apply band pass filter on audio in c6748 processor then the output of codec will distorted and there will be a noise in audio.

I check this filter on matlab it will work fine and it cannot distort the audio.

so i think that the filters of codec are responsible for this. 

So can anyone tell me how to bypass the filters of codec which are on page 1 of codec.

  • 0
    TI__Guru* 84110 points

    Rana,

    It is not clear what you are asking about. What is "page 1 of codec"?

    If your question is about the use of the TLV320AIC3106 device, then this question needs to be in the Data Converter forum where the experts on that device would be monitoring the questions.

    If you question is about modifying or changing the behavior of the board, then we need to understand more information about what you want to do.

    Do you get distortion if you input a sine wave using the loopback mode? This would go through the same filters that you are asking about, is that correct?

    With the bandpass filter running, if you input a sine wave do you get distortion?

    Regards,
    RandyP

  • 0 in reply to RandyP
    Intellectual 310 points

    I have also post this problem on Data converters forum [here] and get my answer so thanks.