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

[list at achromatopsie.com]

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
>> 
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> 
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> 
> 
> 
> 
> --
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