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

[Daniel Mack]

(please, do not top post!)

On April 29, 2014 6:53:36 PM WAT, Andrew Reyes <dsreyes1014 at gmail.com> wrote:
>Daniel it turns out with a brand new UMC204 it still does it on my
>linux
>box.  I'm at a loss.

Try that one on Windows as well. Uf it doesn't work there either, send tge hardqare back and get a different model. If the hardware has such severe bugs, there nothing the Linux driver can do to fix it up.


Daniel



>On Thu, Apr 24, 2014 at 9:14 AM, Andrew Reyes <dsreyes1014 at gmail.com>
>wrote:
>
>> 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.
>>>>>
>>>>
>>>>
>>>
>>


-- 
Sent from my phone. Please excuse my brevity and typos.