[PD] Audio output on Raspberry Pi - Recommendations?

Cyrille Henry ch at chnry.net
Mon Jan 21 09:54:14 CET 2013


wow, this is great!
thanks
Cyrille


Le 21/01/2013 02:57, Miller Puckette a écrit :
> Hi all -
>
> I just now tried again (after some months of not fooling with it) and
> got audio in+out working with no trouble at all... from a clean and
> recently updated Raspian install (i.e. 'apt-get update; apt-get upgrade)
> I just deleted pulseaudio:
> apt-get remove pulseaudio
> and then slowed my USB down to 1.1 speed by adding the setting:
> dwc_otg.speed=1
> to the file /boot/cmdline.txt
> plugged in a Griggin iMic (bout $25 I think) and immediately got full-duplex
> audio.  I'm running only one channel in and tried it with an electric guitar
> with the iMic switched to 'mic in' and all worked.  I was able to get audio
> latency down to 10, didn't try any lower than that.
>
> This is all without any mouse, keyboard or video monitors connected to the
> pi - I'mm SSH-ing in.  Last time I got up to this point, things started to
> degrade when I put other USB devices on so I'll try that now...
>
> cheers
> Miller
>
> On Fri, Jan 18, 2013 at 01:27:46PM +0100, Cyrille Henry wrote:
>> hello,
>>
>> could you tell a bit more about the alsa tweak?
>>
>> thanks
>> Cyrille
>>
>>
>> Le 18/01/2013 12:06, padawan12 at obiwannabe.co.uk a écrit :
>>> Yes, I got it goiing for a recent workshop in Nantes
>>> ALSA tweaked a bit with the .asoundrc file
>>> Hardware: Turtle Beach dongle (Old Amigo 1 I think)
>>> Latency: 150ms (total suckage)
>>>
>>> On 18 January 2013 at 10:49 Julian Brooks <jbeezez at gmail.com> wrote:
>>>> Apologies for dragging this up again...
>>>>
>>>> Can anyone confirm that they have got duplex audio working - in any form with any combination of hdmi, usb or the regular audio out of the rpi, and with which OS, version, tweaks?
>>>>
>>>> Still not convinced it's properly doable from our (iMic USB based) experiments.
>>>>
>>>> Regards,
>>>>
>>>> Julian
>>>>
>>>> On 5 January 2013 17:54, Dirk Myers <dirkm at wildvine.com <mailto:dirkm at wildvine.com>> wrote:
>>>>
>>>>     Thanks, all.  I'll check out the iMic & UCA222.  Cheers! -- Dirk
>>>>
>>>>     On Jan 4, 2013, at 12:47 PM, Julian Brooks wrote:
>>>>
>>>>>     +1 on the imic.
>>>>>
>>>>>
>>>>>
>>>>>     On 4 January 2013 18:18, Cyrille Henry <ch at chnry.net <mailto:ch at chnry.net>> wrote:
>>>>>
>>>>>         in fact, both edirol UA1X and beringer uca222 works.
>>>>>         they look so similar that I mix there name.
>>>>>         sorry
>>>>>         Cyrille
>>>>>
>>>>>
>>>>>         Le 04/01/2013 18:55, Pedro Lopes a écrit :
>>>>>
>>>>>             edirol? Isn't uca222 a behringer card?
>>>>>             On Fri, Jan 4, 2013 at 6:48 PM, Cyrille Henry < ch at chnry.net <mailto:ch at chnry.net> <mailto: ch at chnry.net <mailto:ch at chnry.net>>> wrote:
>>>>>
>>>>>                 edirol uca222 works great.
>>>>>                 cheers
>>>>>                 c
>>>>>
>>>>>
>>>>>                 Le 04/01/2013 17:49, Miller Puckette a écrit :
>>>>>
>>>>>                     The best ide I got was from the Griffin iMic (thanks to Joe Deken over at
>>>>>                     New Blankets for running out and buying a bunch of cheap USB 'adapters' -
>>>>>                     the Griffin is $40 list / $27 street).
>>>>>
>>>>>                     The thing looks like an apple product but (as I discovered today looking at
>>>>>                     it) isn't.  Good job of apple-style-imitation-without- __infringing-trademark.
>>>>>
>>>>>
>>>>>                     The other USB 'adapters' also worked but beware - some take more power than
>>>>>                     the Pi can supply and some are physically so bulky you can't get anything
>>>>>                     in the other USB slot - in either case you have to get a powered USB hub and
>>>>>                     live with a layer of additional uncertainty.
>>>>>
>>>>>                     cheers
>>>>>                     Miller
>>>>>
>>>>>
>>>>>                     On Fri, Jan 04, 2013 at 08:18:00AM -0800, Dirk Myers wrote:
>>>>>
>>>>>                         Folks:
>>>>>
>>>>>                         I've been digging through the list & searching, haven't found a clear answer: what are folks using for audio output from the Raspberry Pi to a mixing board? I'm leaning toward trying a few USB audio interfaces. Curious about what others have used that is working well.
>>>>>
>>>>>                         Thanks,
>>>>>
>>>>>                         Dirk
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>>             --
>>>>>             Pedro Lopes (HCI Researcher / PhD)
>>>>>             contact: pedro.lopes at hpi.uni-postdam.de <mailto:pedro.lopes at hpi.uni-postdam.de> <mailto: pedro.lopes at hpi.uni-postdam.de <mailto:pedro.lopes at hpi.uni-postdam.de>>
>>>>>             website: http://web.ist.utl.pt/pedro.lopes <http://web.ist.utl.pt/pedro.lopes> < http://web.ist.utl.pt/pedro.lopes/ <http://web.ist.utl.pt/pedro.lopes/>> / http://pedrolopesresearch.wordpress.com/ <http://pedrolopesresearch.wordpress.com/> | http://twitter.com/plopesresearch <http://twitter.com/plopesresearch>
>>>>>
>>>>>
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