I have a Line 6 Helix (guitar multi-effects pedal) that acts as an audio
interface over USB. Although it is listed as a sound card:
~$ cat /proc/asound/cards
0 [Loopback ]: Loopback - Loopback
Loopback 1
1 [NVidia ]: HDA-Intel - HDA NVidia
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?
> >>
> >>
Marc Haber wrote:
> On Tue, Apr 24, 2018 at 02:54:44PM +0200, Clemens Ladisch via Alsa-user wrote:
>> Marc Haber wrote:
>>> On Tue, Apr 24, 2018 at 02:43:01PM +0200, Clemens Ladisch via Alsa-user
>>> wrote:
Check if it's actually using 44.1 kHz when playing.
>>>
>>> How would I do that?
>>
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
>
On Tue, Apr 24, 2018 at 02:43:01PM +0200, Clemens Ladisch via Alsa-user wrote:
> Marc Haber wrote:
> > 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
Marc Haber wrote:
> On Tue, Apr 24, 2018 at 02:43:01PM +0200, Clemens Ladisch via Alsa-user wrote:
>> Marc Haber wrote:
>>> 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
Hi Clemens,
thanks for the helpful comment.
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.
[2/4994]mh@fan:~
On Tue, Apr 24, 2018 at 02:54:44PM +0200, Clemens Ladisch via Alsa-user wrote:
> Marc Haber wrote:
> > On Tue, Apr 24, 2018 at 02:43:01PM +0200, Clemens Ladisch via Alsa-user
> > wrote:
> >> Marc Haber wrote:
> >>> Looks to me like it at least claims to be able to play back at 44.1 kHz.
> >>> Any
