Edmund Wong <[EMAIL PROTECTED]> writes informatively about digital audio:
> Interestingly, the easiest way you would do any of this would be to
> implement it under Linux. Aureal and Creative have open source Linux
> drivers (although they have no specs and Aureal uses a weird abstraction
> layer), and Trident 4Dwave drivers exist for the ALSA project. Potentially
> you can create a device under /dev/snd in ALSA which, when written to, will
> create track marks?
The other possibility is the DATLink SCSI audio interface (see
http://www.tc.com/). This expensive but fully featured device allows
your program to record both the PCM data and all the subcode data (if
you want) from the incoming S/PDIF stream. You can then play it all
back and exactly reproduce the S/PDIF stream that the original device
produced.
I've used these on Sun workstations, they work great. They can also
learn IR remote codes and emit them. It's what I used for making the
generational loss tests (I couldn't see doing 100 generations of
recording by hand!). Too bad there doesn't appear to be a budget
version for the PC world.
Rick
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