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I2S mixer

david abrams
Prodigy 100 points

Does TI have a solution to mix 2 or more I2S inputs, mix them, and output I2S.

Sample rate conversion is a must.

  • 0
    TI__Guru* 84915 points
    Hi, David,

    It could be possible with two different audio devices. You would need an audio codec with multiple data serial interfaces and internal programmable miniDSP. The miniDSP is required to make the mixing because it would be necessary to make a loopback from DAC section to ADC section. I mean, the miniDSP would route the mixer result to the I2S output. So, I would suggest a TLV320AIC326x device.

    Then, our audio codecs don't support sample rate converter. The SRC family devices can be used for this purpose.

    Best regards,
    Luis Fernando Rodríguez S.