Re: [Alsa-user] Re: USB headphone amplifier

[Sergei S. <ste...@li...>]

=46rom the manual:

"
Note: Due to USB 1.1 bandwidth limitations and hardware constraints, sampli=
ng
rates above 48000 Hz do not support full duplex (i.e., simultaneous input a=
nd
output)
"

- if it matters.

On Sat, 23 Jul 2005 12:51:38 -0700 (PDT)
Bill Unruh <un...@ph...> wrote:

> On Fri, 22 Jul 2005, Jim McCloskey wrote:
>=20
> > "Mark Williams (MWP)" <mw...@in...> wrote:
> >
> > |> > > What is encouraging is that they say that they do not need any
> > |> > > special drivers. This may mean that they actually comply with
> > |> > > the USB standards for soundcards, and thus there is a good
> > |> > > chance that the linux usb drivers will work with them
> > |> > > (snd-usb).
> > |> >
> > |> > There's hope! :-) Jim, let us know what you find out!
> > |>
> > |> Itll use the TI PCM29xx or PCM27xx line of USB "soundcards".
> > |> Linux has supported these for a long time.
> > |>
> > |> Enjoy!
> >
> > Well, unfortunately, what I've found out from the company is that
> > these little devices have been discontinued due to lack of demand. Sad
> > ....
> >
> > All of you generous and knowledgeable people who have contributed to
> > this discussion so far: do you know of good products that would serve
> > the same purpose? That is: simple USB device, supported under ALSA,
> > digital to analog converter, no fancy extras, serving a good signal to
> > reasonably high-quality headphones. Surely there should be such a
> > thing somewhere?
>=20
> As I mentioned the Maudio Tansit is a high quality USB soundcard which has
> simple ooutput and input and cost about $100 Cdn, and does now seem to be
> supported by alsa.
>=20
>=20
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>=20