[alsa-devel] Audiophile Delta 24/96 Midi Out continuously sends zeroes (alsa 1.0.14)

[Romain Bossart]

Romain Bossart wrote:
> Romain Bossart wrote:
>> Selon Clemens Ladisch <cladisch at fastmail.net>:
>>
>>> Romain Bossart wrote:
>>>> My audiophile 24/96 Midi Out sends zeroes continuously,
>>>> so I can't use any instrument. I checked that with amidi
>>>> by looking at the stream output of a connected instrument
>>>> (midi out -> instrument -> midi in -> amidi). Zeroes are
>>>> sent whether or not I try to send (normal) midi messages.
>>> Would it be possible to connect the midi out directly to the
>>> midi in?
>> I also tried it, same results.
>>
>>> Is the number of transmitted bytes in /proc/asound/cardX/midi0
>>> about correct?
> 
> Yes, the number is correct. After a reboot, I prepared amidi
> to output the incoming midi stream and switched on my instrument
> for 2 seconds approx : around 10kB of zeroes were counted by
> amidi and /proc/asound/card0/midi0.
> 
> 
>> Thank you !
>>
>> Romain
>>
>>
>>> Regards,
>>> Clemens
>>>

Actually, the same exact number of zeroes were sent.
I must acknowledge I used jack for connecting amidi...
I looks like jack sends the zeroes as soon as it is
started. Would someone have a clue ?

Thanks

Romain