Re: USB Audio and selecting optical out

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On Tue, Apr 24, 2018 at 02:43:01PM +0200, Clemens Ladisch via Alsa-user wrote:
> Marc Haber wrote:
> > On Sun, Apr 22, 2018 at 10:45:11PM +0200, Clemens Ladisch via Alsa-user wrote:
> >> Marc Haber wrote:
> >>> Is it possible that the USB device is only able to play back at 48 kHz?
> >>
> >> Yes, it's possible.  Check /proc/asound/cardX/stream0.
> >
> > Playback:
> >     Rates: 44100, 48000
> > Capture:
> >     Rates: 44100, 48000
> >
> > Looks to me like it at least claims to be able to play back at 44.1 kHz.
> > Any other reason why the DAT deck won't sync if speakertest runs with
> > rate 44100?
> 
> Check if it's actually using 44.1 kHz when playing.

Playback:
  Status: Running
    Interface = 1
    Altset = 2
    Packet Size = 196
    Momentary freq = 44100 Hz (0x2c.199a)

cross check:

Playback:
  Status: Running
    Interface = 1
    Altset = 2
    Packet Size = 196
    Momentary freq = 48000 Hz (0x30.0000)

Greetings
Marc
-- 
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Marc Haber         | "I don't trust Computers. They | Mailadresse im Header
Leimen, Germany    |  lose things."    Winona Ryder | Fon: *49 6224 1600402
Nordisch by Nature |  How to make an American Quilt | Fax: *49 6224 1600421

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