Hi guys, I think I found the cause of these tiny clicks.
Messing around with clock mode I discovered that changing the clock mode
affects the rate of these clicks. Choosing ltc or optical mode then back to
internal..They stop for a while and then start again.
If you have any ideas I 'd appreciate a lot.
Cheers
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
>>>>
>>>> _______________________________________________
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>>>
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>>>
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>>>
>>>
>>>
>>>
>>>
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