[chuck-users] dac.channels

Ge G. Wang gewang at CS.Princeton.EDU
Thu Nov 29 21:13:40 EST 2007


Hi!

> I'd like to use all my soundcard outputs, however dac.channels()
> reports the wrong number or at least a different number of channels
> than chuck --probe. Here's the output of the latter for the mentioned
> soundcard:
>
> [chuck]: ------( chuck -- dac4 )---------------
> [chuck]: device name = "RME: Fireface 400 (4AF)"
> [chuck]: probe [success] ...
> [chuck]: # output channels = 18
> [chuck]: # input channels  = 18
> [chuck]: # duplex Channels = 18
> [chuck]: default device = YES
> [chuck]: natively supported data formats:
> [chuck]:    8-bit int
> [chuck]:   16-bit int
> [chuck]:   24-bit int
> [chuck]:   32-bit int
> [chuck]:   32-bit float
> [chuck]:   64-bit float
> [chuck]: supported sample rates:
> [chuck]:   32000 Hz
> [chuck]:   44100 Hz
> [chuck]:   48000 Hz
> [chuck]:   88200 Hz
> [chuck]:   96000 Hz
> [chuck]:   176400 Hz
> [chuck]:   192000 Hz
>
>
> however dac.channels() reports that only 2 channels are available. I've 
> double checked that this soundcard is the default one and also run chuck 
> with --dac4 flag, but no luck. Does anyone know what could be wrong?

Did you also run it with the --channelsN (or -cN) flag to specify number 
of channels?  It defaults to 2 otherwise.  Hope this helps!

Best,
Ge!


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