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TLV320AIC3204: TLV320AIC3204- Output I2S 24bit without sound

Part Number: TLV320AIC3204

Hi Ti Team,

When the customer uses TLV320AIC3204, the output I2S 24bit has no sound. Condition: Input 2ch 48KHz 24bit PCM format, there are two output methods: one is I2S 24bit, the other is I2S 16bit. I2S 16bit output is normal, I2S 24bit has no sound output. What is the reason?

  • Hello,

    Can you provide more information about this, such as a scope shot showing the output waveform in the two modes? From what I understand the data is coming out and going to another device for decoding, so if the receiving device is not configured correctly for 24 bit then there might be low or no sound. 

    Brian

  • Hi,

    It looks like this is configuration issue as I2S 16 bit works but not the 24bit. The default configuration is I2S 16 bit, so please ask them to check page 0 register 27 for audio interface setting and set the format, word length etc. accordingly as a start. If this is done and still not working then we need to know their full configuration.

    Regards,

    Peter