Re: [LAU] Raspberry Pi and real-time, low-latency audio

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To: <linux-audio-user@...>
Date: Wednesday, March 13, 2013 - 11:55 am

On 03/13/2013 12:01 PM, Atte wrote:

Hello Atte,

The Model A is $25 yes. But that model comes without an ethernet
connection. All the software you mention runs on the Raspberry Pi and no
need to compile it because packages are available in the default repos
of the distros that are available for the RPi (Debian, Arch, Fedora).
Don't expect great performance, especially GUI driven software might be
problematic. pd should be no issue though, Miller Puckette even released
a SD card image specifically for the RPi. If you want to compile newer
versions, that's possible too, but something like guitarix already takes
hours to compile natively.
The Raspberry Pi has no audio in and the quality of the audio out is not
really HiFi, it's actually 11bit. Also because the kernel module for the
onboard soundchip has no ALSA mmap support you can't use it directly
with JACK.
Audio out (and in) is easy to solve though with a $3 USB audio
interface. I'm awaiting a Behringer UCG102 clone that I'd like to use
with the RPi which would solve both the audio in and out issues too.
I've also ordered a HDMI to DVI cable with a separate audio output just
to test if the output of such a cable would be usable.

Jeremy
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Messages in current thread:
[LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Fri Feb 15, 8:33 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Daniel Worth, (Wed Apr 17, 2:56 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Thu Apr 18, 8:23 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Sun Apr 14, 12:58 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, michael noble, (Mon Apr 15, 3:07 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Apr 15, 7:11 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Apr 15, 7:27 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Mon Apr 15, 8:14 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Apr 15, 8:22 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Mon Apr 15, 8:40 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Apr 15, 12:03 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Wed Apr 17, 7:49 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Wed Apr 17, 9:21 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Thu Apr 18, 12:13 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Thu Apr 18, 6:14 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Thu Apr 18, 6:26 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Apr 15, 7:10 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Apr 15, 2:59 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Wed Mar 13, 8:42 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Wed Mar 13, 11:55 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Wed Apr 3, 10:35 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Robert Jonsson, (Mon Feb 18, 5:25 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Tue Feb 19, 10:17 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Wed Feb 27, 8:07 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Fri Mar 1, 11:28 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Robert Jonsson, (Wed Feb 27, 9:40 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Feb 18, 9:15 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Robert Jonsson, (Mon Feb 18, 9:24 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Wed Feb 27, 8:01 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Harry van Haaren, (Sat Feb 16, 12:45 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Sat Feb 16, 1:31 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Marije Baalman, (Mon Feb 18, 10:20 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Sat Feb 16, 7:00 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Hans Wilmers, (Sat Feb 16, 2:45 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Sat Feb 16, 7:00 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Julien Claassen, (Fri Feb 15, 8:52 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Fri Feb 15, 9:08 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Julien Claassen, (Fri Feb 15, 9:12 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Fri Feb 15, 8:45 pm)