Re: [LAD] embedded high end audio

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To: Phil Frost <indigo@...>
Cc: The Linux Audio Developers' Mailing List <linux-audio-dev@...>
Date: Wednesday, July 30, 2008 - 8:31 pm

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Correction: the Indigo IO is 2 in / 2 out; the Indigo DJ is 0 in, 4 out

Unless I am mistaken.

I'm guessing that the F/OSS options are basically:

Custom board design with PCI envy24 chipset => ALSA : JACK / ~2ms
IEEE1394 devices made by ECHO (AudioFire2/4) => FFADO : JACK / ~4ms
Cardbus devices made by ECHO (Indigo IO/DJ) => ALSA : JACK / ~4ms
USB devices (48kHz native rate) => ALSA : JACK / ~8ms

The cardbus is going to be easiest for a one-off project. ALSA drivers for
the Indigo products are relatively mature. Some smaller ITX computer boards
feature cardbus interfaces built-in.

I seem to remember seeing a 64studio-related hardware device that integrated
an AudioFire2 though...

On Wed, Jul 23, 2008 at 8:10 AM, Phil Frost wrote:

> I have an Echo Indigo IO that I had working in linux. It's a 2 in, 2

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Correction:  the Indigo IO is 2 in / 2 out;  the Indigo DJ is 0 in, 4 outUnless I am mistaken.I'm guessing that the F/OSS options are basically:Custom board design with PCI envy24 chipset => ALSA : JACK / ~2ms
IEEE1394 devices made by ECHO (AudioFire2/4) => FFADO : JACK / ~4msCardbus devices made by ECHO (Indigo IO/DJ) => ALSA : JACK / ~4msUSB devices (48kHz native rate) => ALSA : JACK / ~8msThe cardbus is going to be easiest for a one-off project. ALSA drivers for the Indigo products are relatively mature. Some smaller ITX computer boards feature cardbus interfaces built-in.
I seem to remember seeing a 64studio-related hardware device that integrated an AudioFire2 though...On Wed, Jul 23, 2008 at 8:10 AM, Phil Frost <indigo@bitglue.com> wrote:
I have an Echo Indigo IO that I had working in linux. It's a 2 in, 2
out Cardbus device. As I recall, I had to build a kernel because
whatever distro I was using didn't include the driver, but it was part
of the standard ALSA distribution. There is also a 4x4 version called
the Indigo DJ that is very similar and probably also compatible.

On Jul 21, 2008, at 7:31 PM, porl sheean wrote:

> [...]

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Messages in current thread:
[LAD] embedded high end audio, porl sheean, (Mon Jul 21, 11:31 pm)
Re: [LAD] embedded high end audio, Phil Frost, (Wed Jul 23, 1:10 pm)
Re: [LAD] embedded high end audio, Eric Shattow, (Wed Jul 30, 8:31 pm)
Re: [LAD] embedded high end audio, Dan Mills, (Wed Jul 30, 8:52 pm)
Re: [LAD] embedded high end audio, Paul Davis, (Wed Jul 30, 9:30 pm)
Re: [LAD] embedded high end audio, Lee Revell, (Thu Jul 31, 12:21 am)
Re: [LAD] embedded high end audio, Dan Mills, (Thu Jul 31, 12:50 am)
Re: [LAD] embedded high end audio, porl sheean, (Thu Jul 31, 6:06 am)
Re: [LAD] embedded high end audio, Phil Frost, (Fri Aug 1, 9:12 pm)
Re: [LAD] embedded high end audio, Fons Adriaensen, (Fri Aug 1, 10:05 pm)
Re: [LAD] embedded high end audio, Eliot Blennerhassett, (Thu Jul 31, 10:29 pm)
Re: [LAD] embedded high end audio, Fons Adriaensen, (Fri Aug 1, 8:26 am)
Re: [LAD] embedded high end audio, Eliot Blennerhassett, (Mon Aug 4, 10:36 pm)
Re: [LAD] embedded high end audio, Paul Davis, (Fri Aug 1, 10:23 am)
Re: [LAD] embedded high end audio, porl sheean, (Fri Aug 1, 3:02 pm)
Re: [LAD] embedded high end audio, Fons Adriaensen, (Fri Aug 1, 5:08 pm)
Re: [LAD] embedded high end audio, porl sheean, (Sat Aug 2, 12:29 am)
Re: [LAD] embedded high end audio, St├ęphane Letz, (Sat Aug 2, 7:50 am)
Re: [LAD] embedded high end audio, Fons Adriaensen, (Sat Aug 2, 8:54 am)
Re: [LAD] embedded high end audio, Pieter Palmers, (Sat Aug 2, 10:07 am)
Re: [LAD] embedded high end audio, porl sheean, (Fri Aug 1, 12:21 am)
Re: [LAD] embedded high end audio, Eliot Blennerhassett, (Fri Aug 1, 2:04 am)
Re: [LAD] embedded high end audio, Stephen Sinclair, (Thu Jul 31, 2:18 pm)
Re: [LAD] embedded high end audio, Emanuel Rumpf, (Tue Jul 22, 5:09 pm)
Re: [LAD] embedded high end audio, porl sheean, (Tue Jul 22, 11:38 pm)