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

[Andrew Reyes]

Daniel I got my hands on Windows 7 PC and installed the drivers from the
website and it does the samething.  So now I'm leaning toward a defective
soundcard.  I'm sending it back for a new one.


On Wed, Apr 23, 2014 at 11:18 AM, Andrew Reyes <dsreyes1014 at gmail.com>wrote:

> Ok I got the two different logs and I don't what I'm looking for lol.
> It's just raw data. My last option is to try using it on Windows or Mac
> just to make sure it's not the interface.
>
>
> On Wed, Apr 23, 2014 at 10:40 AM, Andrew Reyes <dsreyes1014 at gmail.com>wrote:
>
>> > I can just give you a few more ideas to debug this, but that includes
>> more action from your side.
>>
>> > * First of all, try the same device on a different computer, and/or a
>> different USB port, especially if you're using an XHCI (USB3) port.
>>
>> > * Try the device on Mac OS X, without installing a driver and see if
>> you have the same problem here.
>>
>> > * Use usbmon and analyze the data stream when a pop occurs. Compare
>> that with settings that don't produce pops. There's good documentation on
>> usbmon in Documentation/usb/ in the Linux kernel.
>>
>> Ok cool. I'll get right on that. I did try the first suggestion on four
>> different computers and different ports and it's the same issue but just to
>> be thorough I'll check again.
>>
>>
>> On Wed, Apr 23, 2014 at 9:59 AM, Daniel Mack <daniel at zonque.org> wrote:
>>
>>>
>>>
>>> On April 23, 2014 4:40:07 PM CEST, Andrew Reyes <dsreyes1014 at gmail.com>
>>> wrote:
>>> >Is there something else I could do to get to the problem?
>>>
>>> I can just give you a few more ideas to debug this, but that includes
>>> more action from your side.
>>>
>>> * First of all, try the same device on a different computer, and/or a
>>> different USB port, especially if you're using an XHCI (USB3) port.
>>>
>>> * Try the device on Mac OS X, without installing a driver and see if you
>>> have the same problem here.
>>>
>>> * Use usbmon and analyze the data stream when a pop occurs. Compare that
>>> with settings that don't produce pops. There's good documentation on usbmon
>>> in Documentation/usb/ in the Linux kernel.
>>>
>>>
>>> Best regards,
>>> Daniel
>>>
>>> --
>>> Sent from my Android phone with K-9 Mail. Please excuse my brevity.
>>>
>>
>>
>