Re: Cheap USB audio card with phantom

["Jean-Michel Pouré" <jmpoure@free.fr>]

Thank you for your answers:

> Not sure what you want-- that may be why you get no response. By two
> channels in, do you mean a single stereo channel in? What do you mean
> by
> "two xlr entries" or "preamp"? sound cards tend not to be mixer
> boards, and
> especially not cheap mixer boards. Why not buy a cheap usb soundcard
> (I
> like the maudio transit-- under $100-- it has a standard stereo in)
> and add a preamp if that is really
> what you need.
> 
> Why do you need XLR connectors and a preamp for Internet Podcast? 

I need a professionnal voice microphone, like in a normal radio.
Therefore, I need XLR entries.

> I have an Edirol UA-25. I don't know if it's fully supported, but as
> far
> as I can tell, it works perfectly. It records and plays in all the
> bitrates etc.
> it's supposed to, and the MIDI interface works as well.
> That doesn't mean that every Linux program works well with it, since
> some of them
> e.g. Audacity seems to assume that it should have mixer controls,
> which
> it doesn't have, since those are on the box. But I've used it with
> Jack, Ardour and
> Rosegarden without any problems at all.

I phone people using SIP protocol.
The SIP phone (Twinkle) needs a mixer.

At the same time, I record my voice at high rate.
Then I mix the result in Audacity, but I will soon switch to Ardour.

This is only ONE need, I have other needs ...
I also produce short films shot in DV.
I need to record voices with good quality.

> I've also tested the M-Audio MobilePre, and it also seemed to work
> well. It has
> mixer controls and knobs on the box, which is kind of confusing. I
> haven't tested
> it a lot though. There's some info about needing to load firmware to
> the MobilePre,
> but I didn't need to do that. I think they come in different versions
> without
> changing the name. But there is a firmware loader for it if it's
> needed, but
> if they keep changing it without letting people know about it, I
> wouldn't
> bet on buying one without testing it first.
> 

Th M-audio Pre is a suitable solution.

I was wondering about the new TASCAM US-122L.
It is very cheap (159 €) and quite popular.
Do you think it is supported by Alsa?

More generaly, are there established standards in audio?
What are theses acronyms: ASIO, ASIO2, GSIF2, WDM, CoreAudio, CoreMIDI,
kernel streaming, etc...

I will create a page on the unofficial Alsa wiki.

> Well, a USB audio interface hardly qualifies as a sound card, either.
> There are quite a few USB and Firewire interfaces that have preamps
> with XLR inputs, largely because that's what microphones (in a
> broadcast
> or recording context) use.
> 
> Finding such a device that works with Linux could be a challenge
> though.
> I got the impression from a quick look at the M-Audio web site that
> most of their USB devices listed on the ALSA matrix have been
> discontinued. Is a Firewire device with jackd and libfreebob not
> an option?

If there is a cheap (< 200€) Firewire card with two XLR entries, please
let me know. I am interested.

Kind regards,
Jean-Michel Pouré



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