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

[list at achromatopsie.com]

Hello.

Can you give the precise way you did this - i prefer command line tools 
if possible.
As i got one, i can try to reproduce the behaviour maybe.

Please add : How do you connect the 624 on your computer ? USB2 or USB3 
port on your motherboard ?
Firmware used by the Motu 624 ?

Cheers.



On 2017-12-18 10:39, georgnk wrote:
> Hello, that's very interesting.
> 
> I just gave a try a motu 624 with ubuntu lowlatency kernel, but also 
> with a
> generic kernel too.
> 
> I have the following problem:
> Once I test tone with a pure sinewave (easy and reliable way to test a
> sound),after a few
> seconds periodic clicks are quite audible. Actually these clicks are 
> present
> with any kind of sound,
> just more difficult to track if the sound is not a pure sinewave.
> Did you test your sound using a pure tone in debian?
> Do you have the same issue? I tried different workarounds but the 
> clicks are
> still there. For sure isnot a jack issue,because using alsa directly I 
> had
> the same problem.
> Any feedback appreciated from anyone who tried the new Motu products 
> with
> linux.
> Thanks a lot!
> 
> 
> list wrote
>> Hello.
>> 
>> You know the AVB serie from MOTU.
>> We've talked about the 1248 & the UTRALITE AVB previously on the
>> Linux Audio Users list :
>> 
>> http://lists.linuxaudio.org/pipermail/linux-audio-user/2017-May/108050.html
>> http://lists.linuxaudio.org/pipermail/linux-audio-user/2017-March/107629.html
>> 
>> Now the MOTU 624 AVB.
>> Working with Gnu/Linux Debian 8.7.
>> The same as 1248 & ULTRALITE AVB, «real» class compliant,  and web app
>> to control all the settings of the card from your browser.
>> 
>> Update firmware with 0 trouble through the web app interface :
>> 
>> http://achromatopsie.fr/list/00_installfirm.jpg
>> 
>> http://achromatopsie.fr/list/01_verifyingfirm.jpg
>> 
>> http://achromatopsie.fr/list/02_rebootfirm.jpg
>> 
>> http://achromatopsie.fr/list/03_successfirm.jpg
>> 
>> Some screen shot from the Routing menu (sorry need to zoom out, too
>> much inputs ! AVB disabled so no stream appears on the screen)
>> 
>> http://achromatopsie.fr/list/04_routing.jpg
>> 
>> Screen shot from the Mixing menu :
>> 
>> http://achromatopsie.fr/list/05_mixing.jpg
>> 
>> http://achromatopsie.fr/list/06_mixingzoom.jpg
>> 
>> http://achromatopsie.fr/list/07_mixingzoom1.jpg
>> 
>> And from the Device menu :
>> 
>> http://achromatopsie.fr/list/08_device.jpg
>> 
>> http://achromatopsie.fr/list/09_device2.jpg
>> 
>> Pluged with USB3, Gnu/Linux Debian 8.7 - Custom Kernel :
>> Linux 4.9.3-amd-64-20170113 #1 SMP PREEMPT Sat Apr 8
>> 17:30:25 CEST 2017 x86_64 GNU/Linux
>> 
>> lsusb
>> 
>> Bus 003 Device 002: ID 07fd:0005 Mark of the Unicorn
>> 
>> lsusb -t
>> 
>> /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M
>>     |__ Port 1: Dev 2, If 0, Class=Audio, Driver=snd-usb-audio, 5000M
>>     |__ Port 1: Dev 2, If 1, Class=Audio, Driver=snd-usb-audio, 5000M
>>     |__ Port 1: Dev 2, If 2, Class=Audio, Driver=snd-usb-audio, 5000M
>>     |__ Port 1: Dev 2, If 3, Class=Vendor Specific Class, Driver=, 
>> 5000M
>>     |__ Port 1: Dev 2, If 4, Class=Vendor Specific Class, Driver=, 
>> 5000M
>>     |__ Port 1: Dev 2, If 5, Class=Vendor Specific Class, Driver=, 
>> 5000M
>> 
>> aplay -l
>> **** Liste des Périphériques Matériels PLAYBACK ****
>> carte 0: D624 [624], périphérique 0: USB Audio [USB Audio]
>>   Sous-périphériques: 0/1
>>   Sous-périphérique #0: subdevice #0
>> 
>> Made some quick record (guitar from emulated output of an amp,
>> microphone vocal) nothing to say, work perfectly. Nice preamp - for me
>> - clean, no hiss, no background noise, nice dynamic, can hear all my
>>   bad notes and bad fingers on the guitar :)
>> The line input - jack - work also perfectly, respect the color of my
>> preamp (Warm Audio)
>> 
>> Did not try the optical I/O as i do not have any devices for it.
>> 
>> Thanks UC2, thanks MOTU.
>> 
>> Anyone have access to the Alsa project card's list and update ?
>> https://www.alsa-project.org/main/index.php/Matrix:Vendor-Mark_Of_The_Unicorn
>> 
>> All the best !
>> 
>> 
>> 
>> 
>> _______________________________________________
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> 
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> 
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> 
> 
> 
> 
> 
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