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

Andrew Reyes dsreyes1014 at gmail.com
Wed Apr 23 16:40:07 CEST 2014


Is there something else I could do to get to the problem?


On Mon, Apr 21, 2014 at 3:33 PM, Andrew Reyes <dsreyes1014 at gmail.com> wrote:

> 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