Re: [LAU] open hw soundcard (was Re: status usb2 for sound)

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To: Karl Hammar <karl@...>
Cc: <linux-audio-user@...>
Date: Tuesday, November 10, 2009 - 10:24 am

On Mon, Nov 09, 2009 at 01:42:00AM +0100, Karl Hammar wrote:

That's a fascinating idea.

Instead of messing with USB2 protocols, design a board that attaches a ADC/DAC to a microcontroller and shoves the raw floats in and out over... Gigabit Ethernet??!

I don't know if any of the cheap microcontrollers out there-- or the free network stacks available for them-- could also handle the speed of a large amount of audio.

But the thought of a hardware audio interface that talks NetJACK natively, however, is really intriguing. Use OSC to control the interface....

Hmm. It'd be more than just a native Linux-supported audio interface, it'd be a JACK-specific audio interface.

The devil's in the details, though. Which DAC/ADC chip? Which microcontroller? How much RAM? Which network stack? Which preamp circuitry? How many channels? Etc, etc. It's not a trivial project.

-ken
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Messages in current thread:
[LAU] status usb2 for sound, Hartmut Noack, (Thu Nov 5, 9:06 am)
Re: [LAU] status usb2 for sound, Paul Davis, (Thu Nov 5, 2:45 pm)
Re: [LAU] status usb2 for sound, Lorenzo, (Thu Nov 5, 3:07 pm)
Re: [LAU] status usb2 for sound, Jörn Nettingsmeier, (Thu Nov 5, 3:40 pm)
Re: [LAU] status usb2 for sound, Hartmut Noack, (Thu Nov 5, 10:40 pm)
Re: [LAU] status usb2 for sound, Jörn Nettingsmeier, (Fri Nov 6, 9:19 am)
Re: [LAU] status usb2 for sound, Florian Faber, (Fri Nov 6, 9:28 am)
Re: [LAU] status usb2 for sound, Arnold Krille, (Sat Nov 7, 10:05 am)
Re: [LAU] status usb2 for sound, Ken Restivo, (Sun Nov 8, 7:49 am)
Re: [LAU] status usb2 for sound, Karl Hammar, (Sun Nov 8, 12:02 pm)
Re: [LAU] status usb2 for sound, Folderol, (Sun Nov 8, 2:46 pm)
Re: [LAU] open hw soundcard (was Re: status usb2 for sound), Ken Restivo, (Tue Nov 10, 10:24 am)
Re: [LAU] open hw soundcard, Karl Hammar, (Fri Nov 13, 5:10 pm)
Re: [LAU] open hw soundcard, Karl Hammar, (Fri Nov 13, 4:43 pm)
Re: [LAU] status usb2 for sound, Patrick Shirkey, (Sun Nov 8, 8:13 am)
Re: [LAU] status usb2 for sound, Florian Faber, (Sat Nov 7, 9:15 pm)
Re: [LAU] status usb2 for sound, Hartmut Noack, (Sat Nov 7, 11:06 am)
Re: [LAU] status usb2 for sound, Paul Davis, (Sat Nov 7, 6:47 pm)
Re: [LAU] status usb2 for sound, Hartmut Noack, (Sat Nov 7, 11:40 pm)
Re: [LAU] status usb2 for sound, Arnold Krille, (Sat Nov 7, 2:14 pm)
Re: [LAU] status usb2 for sound, Clemens Ladisch, (Fri Nov 6, 7:53 am)
Re: [LAU] status usb2 for sound, Ivica Ico Bukvic, (Sat Nov 7, 3:08 am)
Re: [LAU] status usb2 for sound, Clemens Ladisch, (Tue Nov 10, 1:57 pm)
Re: [LAU] status usb2 for sound, Arnold Krille, (Thu Nov 5, 11:38 pm)
Re: [LAU] status usb2 for sound, Martin Homuth-Rosemann, (Fri Nov 6, 6:55 pm)
Re: [LAU] status usb2 for sound, Dominic , (Sat Nov 7, 5:48 pm)
Re: [LAU] status usb2 for sound, Martin Homuth-Rosemann, (Sun Nov 8, 3:54 pm)
Re: [LAU] status usb2 for sound, Dominic , (Mon Nov 9, 12:20 am)
Re: [LAU] status usb2 for sound, david, (Sat Nov 7, 9:11 pm)
Re: [LAU] status usb2 for sound, Giso Grimm, (Thu Nov 5, 3:01 pm)