Re: Troubles with Sound Devices Usbpre setup: very bad audio

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On 12/26/2011 12:50 PM, athos bacchiocchi wrote:
> On 17 November 2011 19:26, Daniel Mack <zonque@xxxxxxxxx
> <mailto:zonque@xxxxxxxxx>> wrote:
> 
>     As I suspected - wonderfully class compliant.
>     Do you have access to a Mac? Would be interesting to see if that device
>     would be handled well by the generic driver in OS X (that is, without
>     their proprietary driver). Any chance you can test this?
> 
> 
> Sorry  for the delay, getting my hands on a mac took longer than i
> thought. I tried to connect the usbpre to a macbook with snow leopard,
> and without proprietary drivers the card is seen by the sistem, i can
> select it in the audio options, but it doesn't emit any sound. And, like
> in ubuntu, the led front panel on the device remains irresponsive.

Ok, then this hardware is provably not class compliant, at least wrt to
streaming. Someone would need to reverse-egineer the protocol and
implement support in the snd-usb Linux driver. Or ask Sound Devices to
reveal some documentation about their protocol.


Daniel

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