Re: firewire or USB audio outputs spdif-like code?

Tony <tony@xxxxxxxxxxxxx> writes:

> Mannr@xxxxxxxxxxxx wrote:
> > Joe Kesselman <keshlam-nospam@xxxxxxxxxxx> writes:
> >
> >> Another thought: There are lots of low-cost USB audio interfaces with optical
> >> SPDIF (TOSlink) output. (I've got an M-Audio Transit which I picked up for
> >> about $60. I've also got a similar box, output-only, which came with my
> >> minidisk, and which is in fact now dedicated to connecting my audio server's
> >> output to my stereo system.
> >>
> >> Easier than rolling your own hardware/driver...
> > Hey, are you a hardware hacker? I'm curious what is inside that Transit!
> > In particular, what ADC chip is there? Are there any opamps for mic/line
> > inputs?
> > I'm considering gettong one of these for (mic or line-in) recording. Another
> > thing I'm wondering if they can be hacked to output a digital signal *without
> > a computer connection*.
> > Thanks,
> > Richard
> >
> Hi Richard, the TAS3002 is an audio processor with CODEC. Has I2S bus i/o and
> analog i/o with 24 bit ADC/DAC. It needs some periphery but no computer,
> except for the setup which needs to have I2C serial bus. A little bit of a
> hurdle. Maybe not the best stand alone solution. I chose it to use its built
> in filters with easy setup tools provided by free software from
> TexasInstruments.(http://focus.ti.com/docs/prod/folders/print/tas3002.html)
> Check out the data***
>
> Cheers
>
> Tony

Thanks for the info! It looks like that CODEC is not of that high quality.
It may be fine to get SP/DIF in and out of the computer, but the analog parts
don't look great.

Richard
.