[alsa-devel] Behringer Uphoria UMC204 usb audio capture only pops and clicks

Andrew Reyes dsreyes1014 at gmail.com
Mon Apr 21 22:33:44 CEST 2014


Ok I did playback on a 48khz song and no pops and clicks.  So it's just on
the capture side only.  What could cause that on the capture side of things?


On Mon, Apr 21, 2014 at 1:56 PM, Andrew Reyes <dsreyes1014 at gmail.com> wrote:

> > Generate some sine wav files in various rates with something like
> > audacity and play them. FWIW, a 192k file can be found here:
>
>   > http://zonque.org/sine-192khz.wav (~22 MB)
>
> Ok I will try that now.  I should let you know that I just tried the
> arecord command for that same device at 48000 and it pops and clicks just
> as in JACK.
>
>
> On Mon, Apr 21, 2014 at 1:54 PM, Daniel Mack <daniel at zonque.org> wrote:
>
>> On 04/21/2014 08:49 PM, Andrew Reyes wrote:
>> >>> Ok, in this case, please use "plughw" instead of "hw".
>> >
>> >> Ok that worked. It plays fine at 44100 but when I try to set
>> > `--period-size=48000` it still defaults to 44100.
>> >
>> > I'm sorry I meant to `--rate=48000`.
>>
>> Generate some sine wav files in various rates with something like
>> audacity and play them. FWIW, a 192k file can be found here:
>>
>>   http://zonque.org/sine-192khz.wav (~22 MB)
>>
>>
>> Daniel
>>
>>
>


More information about the Alsa-devel mailing list