twotoedsloth
Joined: 26/01/08
Posts: 459
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Linux ALSA USB compatible interface
#958331 - 10/12/11 08:36 PM
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Well, it's pretty much in the subject line. I'm looking for an ALSA supported USB audio
interface. Digital I/O and mic pres are not needed, but balanced analog I/O would be
nice, though not a deal-breaker.
Thanks,
Peter
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seablade
Joined: 21/11/04
Posts: 3768
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Re: Linux ALSA USB compatible interface
[Re: twotoedsloth]
#958346 - 11/12/11 12:46 AM
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Quote twotoedsloth:
Well, it's
pretty much in the subject line. I'm looking for an ALSA supported USB audio interface.
Digital I/O and mic pres are not needed, but balanced analog I/O would be nice, though not
a deal-breaker.
Thanks,
Peter
How much are you looking to spend? For instance the SoundDevices
USBPre sounds like it would fit your needs, but might be above your budget;)
Seablade
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twotoedsloth
Joined: 26/01/08
Posts: 459
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Re: Linux ALSA USB compatible interface
[Re: twotoedsloth]
#958356 - 11/12/11 05:26 AM
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Thank you for responding. The box you suggest is about $650, I could probably afford it,
but I don't need the comprehensive I/O. I really only need stereo balanced in, and
headphone out. The Focusrite Scarlett 18i6 would be great for $300, but does it have ALSA
drivers? Probably too soon to tell?
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seablade
Joined: 21/11/04
Posts: 3768
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Re: Linux ALSA USB compatible interface
[Re: twotoedsloth]
#958478 - 12/12/11 01:22 AM
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If the device is class compliant there is a decent chance it may work. USB2 audio class
is in the ALSA code, but there seems to be problems with it from what I have heard of the
SoundDevices as well, but USB1.1 and USB1.0 class compliant devices work fine. If the description says you need a driver in OS X, it likely isn't class compliant. There is a recent report of success with the Focusrite 2i2 which meets your needs
here... http://ardour.org/node/4709 Seablade
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twotoedsloth
Joined: 26/01/08
Posts: 459
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Re: Linux ALSA USB compatible interface
[Re: twotoedsloth]
#958481 - 12/12/11 03:00 AM
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Sorry to make another potentially stupid question, I don't mind spending an additional
$650 as long as I can be assured it will work. The most expensive audio interface would
be one that is unused because it doesn't work properly. Therefore, I'm willing to part
with the extra cash for a functional device.
I would be happy with the
Scarlett, or the Presonus Audiobox, even the M-Audio Fastrack Pro, but if none of those
would work, I guess I'll have to spend a bit more.
Sorry for asking too many
questions,
Peter
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seablade
Joined: 21/11/04
Posts: 3768
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Re: Linux ALSA USB compatible interface
[Re: twotoedsloth]
#958483 - 12/12/11 03:09 AM
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Quote twotoedsloth:
Sorry to make
another potentially stupid question, I don't mind spending an additional $650 as long as I
can be assured it will work. The most expensive audio interface would be one that is
unused because it doesn't work properly. Therefore, I'm willing to part with the extra
cash for a functional device.
I would be happy with the Scarlett, or the
Presonus Audiobox, even the M-Audio Fastrack Pro, but if none of those would work, I guess
I'll have to spend a bit more.
Sorry for asking too many questions,
Peter
Really what
it comes down to is I can only pass along information I have heard from others in as far
as something working or not with specific devices.
I have at least 2 people
that have said they have a USBPre working on Linux with ALSA, and it is one of the few
manufacturers(Sound Devices) that lists Linux support on it's product page, as well as I
have spoken with one of their tech reps who also has supported this idea as well. So in
as far as working under Linux in USB1.1 mode(Up to 24/48) it seems to work. USB2 mode
however has difficulty apparently so only plan on USB1.1 mode working with it for the
moment.
Likewise that report I linked is just one that came in in the past 24
hours or so of a Scarlet 2i2 interface seemingly working fine under Linux, though my
suspicion is that it also was running at 24/48 or 24/44.1 though I don't think [s]he
specifies.
Given the above reports I would say you are likely in good shape
with either interface, I would just get it from a place with a decent return policy to
give you 30 days to test it out and see if you have any problems. While I would bet
overall audio quality of the USBPre will be better, will it be enough of a difference to
warrant that amount of money? I am not going to bet on that for most people(That being
said it is on my short list of to purchase along with a Tascam DR100-mkII for field
recording now that the Tascam added a digital input as well).
Seablade
PS It is always better to ask questions than to assume. Unless I am
short on patience that day;)
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