[LAU] Looking for AD converter

Mike Taht mike.taht at gmail.com
Sat Apr 21 11:04:43 EDT 2007

On 4/20/07, Reuben Martin <reuben.m at gmail.com> wrote:
> I helping a friend out who wants to put together a linux / ardour setup.
> However, the sound device he origionally suggested was RME's Fireface,
> which is a no-go.
> I'm having trouble finding a device with similar specs. Does anybody
> have any suggestions on devices that work with linux (alsa or freebob)
> that can handle the 192k sample rate, have at least 8 analog line
> level inputs (not concerned about preamps) and are in the same price
> range?
> There are lots of nice units out there, but finding something that can
> handle 192k kinda reduces the selection really quickly.

I have spent the last year recording extensively at 96khz. There are only
three real features of 96khz recording that I notice:

1) Stereo  imaging seems slightly better
2) Mixing it is much easier, much more headroom, I haven't used a compressor
in ages
3) Recording low volume (environmental) sounds sounds much better.

That said, recently I moved back to recording at 44.1.

1) What you hear is what you get - if you are primarily targeting CD - many
an export from 96khz to 44.1 has gone south for me.
2) Much less disk space used
3) Lots more tracks feasible
4) Most plugins were designed and tested at 44.1 and 48khz and sound best at
those rates

So, given that my mics aren't capable of exceeding the headroom afforded by
96khz, I don't see any good reasons to go to 192khz, and I plan to only
rarely and in special situations, move up to 96khz in future recordings from
44.1 or 88.2.

The only others I could find that fit those factors were the Roland
> FA-101 (only 6 inputs when at 192k) and Apogees stuff (a bit on the
> pricy side). So I wanted to see if anybody knew of others that I
> didn't think of.

So... when I decided to get up to 16 tracks on my RME-multiface I just added
an 8 pre Digimax FS and connected it's ADAT output to it. The pres are very
quiet and sound pretty darn good. Now I can do 12 tracks at 96khz or 16 at
<=48 - but it won't do any higher than 96khz.

So the original thought of fireface + digimax FS might be an option so long
as you stayed below 96khz.

Hope this helps.

> -Reuben
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user at lists.linuxaudio.org
> http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user

Mike Taht
PostCards From the Bleeding Edge
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