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hope this help + a -- do it yourself http://antoine.villeret.free.fr 2013/10/31 Pierre Massat <[email protected]> > Dear all, > > I just took a quick look at the page on puredata.info and noticed that my > soundcard (E-mu 0404 USB) is mentioned as "apparently [working]". For > clarity's sake i think it would be good to modify the page a bit so that > it's mentioned in the working soundcards. It's fully functional as far as i > can tell (it works in duplex at 44100 Hz with one input) and has been since > the beginning on the RPi without any slowing down of the USB speed. I can > even prove it with a video (http://www.youtube.com/watch?v=NwJNeouLqgQ) ! > Problem is, i don't know how to edit the page... > > Cheers, > > Pierre. > > > 2013/10/31 Julian Brooks <[email protected]> > >> Hi Chris, >> >> I think Theron's covered most of it. >> >> The Behringer 222 is on the list of working devices compiled here: >> http://puredata.info/docs/raspberry-pi >> so hopefully that one should be doable, and my memory is that Andy >> Farnell has been running Turtle Beach cards during some of his workshops - >> stuck in my mind 'cos I had a "Turtle Beach, old school" chuckle to myself. >> >> If you do get them running (or not for that matter) it'd be great if you >> added your experience to the wiki page. >> >> For some more audio rpi tips and tweaks I heartily recommend this page: >> http://wiki.linuxaudio.org/wiki/raspberrypi >> and there's some more (related) good stuff here >> http://www.raspberrypi.org/phpBB3/viewtopic.php?p=286064#p286064 >> >> Plus of course there's a whole heap of stuff in the pd-list archives >> (search raspberry or rpi). >> >> Regards, >> >> Julian >> >> >> On 30 October 2013 00:58, Theron Trowbridge >> <[email protected]>wrote: >> >>> There's good info on http://puredata.info/docs/raspberry-pi covering >>> this, if you haven't seen it. >>> >>> There seem to be a limited number of interfaces that work. And some >>> people have to slow down the USB port to get clean audio (myself included, >>> using the iMic ( >>> http://www.amazon.com/Griffin-Technology-iMic-Audio-Device/dp/B000BVV2IC). >>> And I have to use a wireless keyboard/mouse if I'm not connecting via ssh ( >>> http://www.amazon.com/gp/product/B004KSQANO/). It's not ideal, and a >>> little annoying that the accessories are more than the cost of the >>> Raspberry Pi. But it works. >>> >>> The USB port is slowed down by adding "dwc_otg.speed=1" to >>> /boot/cmdline.txt >>> >>> >>> -Theron >>> ^ >>> >>> >>> >>> On Tue, Oct 29, 2013 at 12:03 AM, s p <[email protected]> wrote: >>> >>>> Same here ... I tried with 2 different usb interfaces, and I got no >>>> luck. In both cases I got "some" sound input, but there is a lot of popping >>>> sounds. >>>> >>>> >>>> 2013/10/28 Chris Jack <[email protected]> >>>> >>>>> Hey folks, >>>>> >>>>> Apologies as this post is not strictly about Pd, though Pd will be a >>>>> crucial part of my final setup so whatever solution I find ought to work >>>>> with Pd. Also, there is a chance the issue might lie with Pd. I just don't >>>>> know. >>>>> >>>>> I'm looking for a usb bus-powered audio interface for the Rpi that can >>>>> take a stereo input and provide stereo output *at the same time.* >>>>> * * >>>>> I have tried a couple different images and a couple different audio >>>>> interfaces, to no avail. Perhaps there's something can be done with one of >>>>> these setups to get it working? >>>>> >>>>> First, the Pd-LA custom Raspian (v1) image and Pd 43.2: >>>>> >>>>> ..with Behringer UCA202 (at 44100khz): >>>>> >>>>> Alsamixer picks the device up but the input section shows nothing. >>>>> >>>>> Pd (gui) audio preferences allows selection of the interface for both >>>>> input and output. Output only is lovely and clean but as soon as the >>>>> device >>>>> is selected for audio input the audio quality drops horrendously (vaguely >>>>> recognisable from the original signal).. >>>>> ..although what gives me hope is I CAN software monitor the input >>>>> (poorly) in 'Test Audio and MIDI' with this arrangement. >>>>> >>>>> ..with Behringer UCA202 (at 48000khz): >>>>> >>>>> Output only in Pd is poor (beating and popping sound - possibly sounds >>>>> like a samp rate conversion issue). >>>>> When device is selected as Pd input software monitoring is possible >>>>> and oddly, though the result is still poor, there is effectively no drop >>>>> in >>>>> quality from having the device selected only for output and the monitored >>>>> signal sounds drastically better than at 44100khz. >>>>> >>>>> >>>>> ..with Turtle Beach Amigo II* (at 44100): >>>>> >>>>> Alsamixer shows both input and output and allows to change gain of >>>>> both. >>>>> If plugged in from boot and only the output is selected in Pd it works >>>>> but with a lot of jitter. Selecting the device for input too causes a >>>>> further drop in audio quality although again I can software monitor the >>>>> input in 'Test Audio and MIDI' >>>>> If plugged in after boot the OS crashes. >>>>> >>>>> >>>>> The Satellite CCRMA (operating via ssh) and Pd-extended: >>>>> >>>>> ..with Behringer UCA202 (at 44100 and 48000): >>>>> >>>>> Alsamixer picks the device up but again the input section shows >>>>> nothing. >>>>> >>>>> If I have the device plugged in from boot then I get the same >>>>> behaviour with it as I do in Pd vanilla on the Pd-LA Raspian image, ie. >>>>> software input monitoring but at an extremely poor quality. >>>>> >>>>> If I don't plug the device in from boot I see it in Pd audio prefs but >>>>> get this: >>>>> >>>>> ALSA input error (snd_pcm_open): No such file or directory >>>>> >>>>> ALSA output error (snd_pcm_open): No such file or directory >>>>> >>>>> from the Pd terminal and this >>>>> >>>>> ALSA lib pcm_hw.c:1401:(_snd_pcm_hw_open) Invalid value for card >>>>> ALSA lib pcm_hw.c:1401:(_snd_pcm_hw_open) Invalid value for card >>>>> oops: ALSA cards not reported in order? >>>>> >>>>> from the ssh terminal. >>>>> >>>>> >>>>> ..with Turtle Beach Amigo II* (at 44100khz): >>>>> >>>>> Alsamixer shows both input and output and allows to change gain of >>>>> both. >>>>> >>>>> If plugged in from boot and then only output selected in Pd I get >>>>> clean audio out. If I try to select the Turtle Beach as audio inout in Pd >>>>> then Pd stalls indefinitely when I try to 'Test Audio and MIDI' or make >>>>> anything in a patch. >>>>> >>>>> Same direct input monitoring by default. >>>>> >>>>> Also get >>>>> >>>>> ALSA input error (snd_pcm_open): Device or resource busy >>>>> >>>>> ALSA output error (snd_pcm_open): Device or resource busy >>>>> >>>>> from the Pd terminal if I don't have it plugged in from boot, though >>>>> no message in ssh terminal. >>>>> >>>>> *It also appears that by default the Turtle Beach does direct input >>>>> monitoring of some sorts, the output stage sending out a clean copy of >>>>> whatever signal is going into the input stage whenever the device is >>>>> plugged into a usb port. With the Pd-LA image this occurred simultaneously >>>>> while input monitoring in Pd. I guess this is part of the design of the >>>>> Turtle Beach, though their documentation is devoid of any useful info >>>>> regards this. If this is the case then this ain't the sound card for me, >>>>> though clearly some might find this a very useful feature. >>>>> >>>>> Just to give a bit more info about what I'm attempting: I wish to run >>>>> the stereo input from the Turtle Beach through Pd, play with the audio >>>>> signal using data from an accelerometer (not nearly there yet) and then >>>>> send the audio out through the Turtle Beach's stereo output. >>>>> >>>>> Apologies for the essay. Hopefully my findings are useful for others >>>>> and hopefully I can get my rig working! Help muchly appreciated. I've >>>>> probably left out some crucial bit of info so please shout me if I have! >>>>> >>>>> Cheers, >>>>> Chris Jack. >>>>> >>>>> Chris Jack >>>>> >>>>> *art/research* >>>>> http://itsmrjack.com/ >>>>> >>>>> *discus jockeying/sound art* >>>>> http://soundcloud.com/itsmrjack/ >>>>> >>>>> _______________________________________________ >>>>> [email protected] mailing list >>>>> UNSUBSCRIBE and account-management -> >>>>> http://lists.puredata.info/listinfo/pd-list >>>>> >>>>> >>>> >>>> >>>> -- >>>> *Sébastien Piquemal >>>> * >>>> * >>>> ** *-----* @sebpiq* >>>> -----* *http://github.com/sebpiq* >>>> * >>>> ----- http://funktion.fm >>>> >>>> _______________________________________________ >>>> [email protected] mailing list >>>> UNSUBSCRIBE and account-management -> >>>> http://lists.puredata.info/listinfo/pd-list >>>> >>>> >>> >>> _______________________________________________ >>> [email protected] mailing list >>> UNSUBSCRIBE and account-management -> >>> http://lists.puredata.info/listinfo/pd-list >>> >>> >> >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> >> > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > >
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