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

Romain Bossart romain.bossart at free.fr
Thu Aug 30 00:22:26 CEST 2007

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

More information about the Alsa-devel mailing list