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mah454 09-06-2013 06:51 AM

Sound Card Data transfer
How can transfer data over sound card between two computer ?

cascade9 09-06-2013 07:04 AM

I believe that comes under 'pointless hacks'. Possible, but why bother?

If you want to transfer data, use a network card, not a sound card.

schneidz 09-06-2013 07:16 AM

I used to do this when I was playing around with creating a voip system.

I think the file /dev/dsp is reliant on oss:

I think you can mknod /dev/DSP while running alsa.

mjolnir 09-06-2013 07:27 AM

I agree it's "pointless" but in retrospection I've done a lot of pointless things with computers. This sounds like fun.

"AnonymousApril 23, 2009 at 9:43 PM
Clever... but were you aware that someone already did it and you might already have the drivers on the machines? Linux's AX.25 drivers include a soundblaster interface. AX.25 uses frequency-shift keying (two different tones for 1 and 0), and transmits around 1200bps.

It is intended to be connected to an amateur radio, but can be hooked up from line-in to line-out if you want."

michaelk 09-06-2013 08:02 AM

It is possible. Transfer speeds will be on the order of 1200BPS.

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