[LAU] re Zoom R16

[Natanael Olaiz]

Clemens, do you think it would be useful to do some sort of sniffing on
the USB using an official driver inside a Virtual Machine for getting
the controls?

If you think so tell me and I'll give a try. [1]


Best regards,
Natanael.

[1] A great tutorial on that (thanks Robin!): 
http://gareus.org/wiki/digi003

El 10/18/2013 10:04 PM, Natanael Olaiz escribió:
> El 10/18/2013 08:27 AM, Clemens Ladisch escribió:
>> Natanael Olaiz wrote:
>>> El 10/15/2013 01:15 PM, Clemens Ladisch escribió:
>>>> Try recompiling the kernel with the following entry in
>>>> sound/usb/quirks-table.h:
>>>> [...]
>>> I confirm that the patch works for MIDI on a kernel 3.10.7 (gentoo)!!
>>> Thanks a lot!!
>>>
>>> On the other hand, audio doesn't seem to works straightforward. The
>>> device is seen, but I was not able to make it work with jack nor aplay.
>> What happens?
>>
> I think it had some trouble with the sample rate or some of the other
> defined arguments, but I still didn't had many time to try different
> combinations...
>
> Plus, I don't know how to change the sample rate on the device. There is
> no control exposed for alsamixer, and I cannot change it from the device
> itself. When I tested it, as soon I started jackd the device changed the
> sample rate to 96kHz (when I was trying 48kHz from the jackd command,
> and the device was at 44.1kHz before), and (q)jack(ctl)d stopped like
> waiting for the device.
>
> ...
>
> But after my previous mail I tried again with alsa_in on a running 48kHz
> jackd server (Focusrite Saffire), and it worked!!!! I was able to use
> all the 8 input channels!!! (my impression was an incredibly -for the
> price...- clean sound!)
>
> I tried then adding an alsa_out (at the same time than alsa_in), but it
> said the device was already in use (I have a H2n and as far I can
> remember I can execute both together...)
>
>
> Soon I'll do more controlled tests and I'll update you. But it look so
> good!! :-)
>
> Thanks a lot!!!
>
> Natanael.
>> Regards,
>> Clemens
>>