Re: [LAU] Hardware Soundcard - MOTU 624 AVB Working with Gnu/Linux - Debian 8.7

Hi guys,
I tried debian live dvd 9.3
And I did a fast test after selecting my sound card's outputs with:
Speaker-test -t sine -f 880

The same periodic clicks appear after a few seconds. I also played with
sample rates, buffer and period sizes without success.

I didn't use jack,I don't think this is a jack issue. I don't think is a
linux distribution issue.

I am curious if others have the same problem,I don't have another computer
to test. Whenever you have the time to test please let me know the results.
Thanks

list-2 wrote
> hi.
>
> Hmm, last resort to try an older firmware, i'm not sure about this, but
> i would try to «factory reset» the card, either with the web interface,
> or the front LCD panel. Maybe (MAYBE) it fallback on the Initial
> shipping version.
>
> Keep in mind that the problem you have may not coming from the card
> itself, but, pulseaudio, jack etc.
>
> Aaah computers....
>
>
>
> On 2017-12-21 14:36, georgnk wrote:
>> Hello,
>> When I tried to upload the file with older firmwares I couldn't. The
>> warning
>> was that I was trying to upload an out of dated firmware. Is there any
>> way
>> to downgrade?
>>
>> For sure the web interface using windows Os doesn't show something new
>> such
>> as bios menu...Except I am blind
>>
>> Cheers
>>
>> list-2 wrote
>>> Hello.
>>>
>>> i still use an old firmware. As i do not really trust - yet - MOTU
>>> with
>>> Gnu/Linux.
>>>
>>> Keep in mind that if this AVB series products work under Gnu/Linux, i
>>> think it's more a side effect from USB audio Class compliant than a
>>> real
>>> desire from MOTU (it has to work for Apple/Ipad).
>>>
>>> As this new v1.3.2+102 firmware shows that you have nothing new in the
>>> web interface ( no bios menu added with other options ? ) it may do
>>> something for Windows/Apple Os's users ?!
>>>
>>>
>>>
>>> On 2017-12-21 02:35, georgnk wrote:
>>>> Hi.
>>>> Yes the firmware is v1.3.2+102 (520 is for the avb)
>>>> I don't know either what the bios menu is doing. I can only find bios
>>>> if I
>>>> press the select button from my interface and shows some info,nothing
>>>> more.
>>>>
>>>> If you test it one day please let me know if you also have this
>>>> (minor)
>>>> issue.
>>>>
>>>> Have nice holidays. Cheers!
>>>>
>>>>
>>>>
>>>>
>>>> list-2 wrote
>>>>> Hello.
>>>>>
>>>>> I am away from my computer with the MOTU 624 AVB for the holidays.
>>>>> I'll
>>>>> make a try when i'll be back.
>>>>>
>>>>> But i've just checked the firmware pages of MOTU's web site and :
>>>>>
>>>>> v1.3.2+520 (Release Date 2017-12-13)
>>>>>
>>>>> A new one as been added few days ago. I've never tried this one.
>>>>> Is the the firmware you running your card with ?
>>>>>
>>>>> The change log says :
>>>>>
>>>>> Added Bios menu
>>>>>
>>>>> Hmm i'm really wonder what it does, and if it break anything with
>>>>> Gnu/Linux Os.
>>>>>
>>>>> Cheers !
>>>>>
>>>>>
>>>>>
>>>>> On 2017-12-20 02:41, georgnk wrote:
>>>>>> Hello thank you for the reply.
>>>>>> The clicks are periodic.well,not strictly periodic but almost every
>>>>>> two
>>>>>> seconds. I have tried your suggestions but didn't change something.
>>>>>>
>>>>>> What I have also discovered is that the clicks are not passing
>>>>>> through
>>>>>> my
>>>>>> software. Testing a sine wave and using a spectrum analysis in real
>>>>>> time,
>>>>>> sndpeek, clicks don't show up there. It seems they are coming
>>>>>> directly
>>>>>> to my
>>>>>> monitors (headphones)
>>>>>>
>>>>>> Thanks a lot
>>>>>>
>>>>>>
>>>>>> Len Ovens wrote
>>>>>>> On Mon, 18 Dec 2017, georgnk wrote:
>>>>>>>
>>>>>>>> I can also select my sound card without qjackctl and Jackd.
>>>>>>>> Pure data can see my input s and outputs directly. Then I go
>>>>>>>> audio
>>>>>>>> test
>>>>>>>> play
>>>>>>>> the sine wave , wait a while, I move frequency up and down,clicks
>>>>>>>> start
>>>>>>>> and
>>>>>>>> never stop.
>>>>>>>
>>>>>>> If these are random clicks, that sounds like sync issues. Some
>>>>>>> things
>>>>>>> to
>>>>>>> try:
>>>>>>> - set pulse default and alternate sample rate to 48000
>>>>>>> - turn off HDA audio either in bios or in pulse:
>>>>>>> pactl unload-module module-udev-detect
>>>>>>> pactl unload-module module-alsa-card
>>>>>>> (note that if pulse can see any audio card directly,
>>>>>>> it may choose to sync from that one even if you are
>>>>>>> not using it)
>>>>>>> - try different sample rates, in particular both 44100 and
>>>>>>> 48000. It may be that alsa is under the impression
>>>>>>> it can set sample rate when that is not the case.
>>>>>>>
>>>>>>> I have not seen in this thread any meantion of the web interface
>>>>>>> that
>>>>>>> the
>>>>>>> motu AVB series interfaces normally have, so I am guessing this is
>>>>>>> not
>>>>>>> one
>>>>>>> of these boxes. Motu's support in the past with Linux has be
>>>>>>> notoriously
>>>>>>> bad until the AVB series, so you may have something that will not
>>>>>>> work
>>>>>>> with Linux properly... as in, it is USB2.0 compliant so far as
>>>>>>> sound
>>>>>>> transfer is concerned, but expects a provided blob to do device
>>>>>>> setup.
>>>>>>> The
>>>>>>> AVB series uses a web based setup tool that is OS agnostic.
>>>>>>>
>>>>>>> --
>>>>>>> Len Ovens
>>>>>>> www.ovenwerks.net
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Linux-audio-user mailing list
>>>>>>
>>>>>>> Linux-audio-user@.linuxaudio
>>>>>>
>>>>>>> https://lists.linuxaudio.org/listinfo/linux-audio-user
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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