Re: Dmix plugin on raspberry pi & WM8731 DAC

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Jakob Hansen wrote:
> So the following is from Wolfson's own webpage for the wm8731:
> "Digital audio input word lengths from 16-32 bits and sampling rates
> from 8kHz to 96kHz are supported. "
> But,
>
> Card 1, ID `sndrpiproto', name `snd_rpi_proto'
>   Device 0, ID `WM8731 HiFi wm8731-hifi-0', name `', 1 subdevices (1 available)
>     2 channels, sampling rate 8000..96000 Hz
>     Sample formats: S16_LE
>
> So does "input word lengths" in Wolfson's description correspond to
> "sample formats" in the alsacap output, and if so, why might there be
> a discrepancy?

Apparently, the Pi's DMA controller supports only 16-bit samples.


Regards,
Clemens

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