Re: re Zoom R16

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Hi!

>> 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.

I'm 99% sure you can only switch the bitrate on the r16 from 16-bits to
24-bits. The samplerate is always set to 44.1kHz.

Perhaps configuring jack to use 44.1 will solve the problem?

Just a thaught, i still havn't got my thumb out to try Clemens Patch :/

Have a good awoken time y'all!

*set


On 2013-10-21 22:57, Natanael Olaiz wrote:
> El 10/18/2013 10:04 PM, Natanael Olaiz escribió:
>> El 10/18/2013 08:27 AM, Clemens Ladisch escribió:
>>> Natanael Olaiz wrote:
>>>
>>>> [...]
>>>> 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...)
> I'm using the R16 as MIDI controller [R16 -> a2jmidid (alsa midi)->
> (jack midi) ardour3] and audio capture [R16 -> alsa_in (alsa device with
> 8 input channels) -> ffado jack host].
> 
> It seems to work quite well when is running, but there is something not
> fine:
> 
>  - it takes a long time to the device to appears as an alsa device since
> it is detected from the kernel module
> 
>  - at least when it is not used (but I think it can occurs even when
> streaming) it seems to block ALSA for moments. Meanwhile alsa seems is
> unresponsive. Trying to start qjackctl (just open the frontend, not even
> starting jack) opened an unresponsive widget. As soon I disconnected the
> USB from the R16, the buttons and the control of the widget appeared.
> 
> - I was with the above described chain (jack + R16 alsa_in) , and all
> the audio devices suddenly hanged. I saw in the R16 the sample rate at
> 96kHz (when it was -as JACK- at 48kHz)
> 
> A dmesg shows this :
> 
>> [  268.877864] 3:1:1: cannot get freq at ep 0x3
>> [  272.489903] firewire_core 0000:07:00.0: created device fw1: GUID
>> 00130e0100060dce, S400
>> [  273.879240] 3:1:1: cannot set freq 44100 to ep 0x3
>> [  278.903419] 3:1:1: cannot get freq at ep 0x3
>> [  283.904662] 3:1:1: cannot set freq 44100 to ep 0x3
>> [  286.633916] 3:1:1: cannot get freq at ep 0x3
>> [  286.638154] 3:1:1: cannot set freq 44100 to ep 0x3
>> [  286.671291] 3:1:1: usb_set_interface failed (-71)
>> [  286.675542] 3:1:1: usb_set_interface failed (-71)
>> [  286.679792] 3:1:1: usb_set_interface failed (-71)
>>  "" * 20
>> [  286.799821] 3:1:1: usb_set_interface failed (-71)
>> [  286.830497] usb 1-1.4: USB disconnect, device number 3
>> [  304.980599] hda-intel: IRQ timing workaround is activated for card
>> #0. Suggest a bigger bdl_pos_adj.
>> [  305.930727] usb 1-1.4: new high-speed USB device number 4 using
>> ehci-pci
>> [  306.022714] usb 1-1.4: config 1 interface 3 altsetting 0 bulk
>> endpoint 0x1 has invalid maxpacket 64
>> [  306.022717] usb 1-1.4: config 1 interface 3 altsetting 0 bulk
>> endpoint 0x82 has invalid maxpacket 64
>> [  306.023508] usb 1-1.4: New USB device found, idVendor=1686,
>> idProduct=00dd
>> [  306.023513] usb 1-1.4: New USB device strings: Mfr=1, Product=2,
>> SerialNumber=3
>> [  306.023515] usb 1-1.4: Product: R16
>> [  306.023517] usb 1-1.4: Manufacturer: ZOOM Corporation
>> [  306.023519] usb 1-1.4: SerialNumber: 0
>> [  311.025093] 4:1:1: cannot get freq at ep 0x3
>> [  321.027467] 4:2:1: cannot get freq at ep 0x84
>> [  331.090900] 4:1:1: cannot get freq at ep 0x3
>> [  336.092152] 4:1:1: cannot set freq 44100 to ep 0x3
>> [  341.115367] 4:1:1: cannot get freq at ep 0x3
>> [  346.116557] 4:1:1: cannot get freq at ep 0x3
>> [  356.273029] 4:1:1: cannot get freq at ep 0x3
>> [  358.352531] 4:2:1: usb_set_interface failed (-110)
>> [  820.268089] 4:1:1: cannot get freq at ep 0x3
>> [  825.269267] 4:1:1: cannot set freq 44100 to ep 0x3
> 
> Any hint?
> 
> 
> Thanks in advance,
> Natanael.
> 
> 
>>
>> Soon I'll do more controlled tests and I'll update you. But it look so
>> good!! :-)
>>
>> Thanks a lot!!!
>>
>> Natanael.
>>> Regards,
>>> Clemens
>>>
> 

-- 
Set Hallstrom
AKA Sakrecoer
http://sakrecoer.com


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