Re: MOTU 896HD-specific issues?
Re: MOTU 896HD-specific issues?
- Subject: Re: MOTU 896HD-specific issues?
- From: Jeff Moore <email@hidden>
- Date: Wed, 19 Oct 2005 17:07:05 -0700
The only thing unusual about the 896 that I can recall is that it has
a stream layout that is moderately funky. If I remember correctly, it
has only a few of streams where the first one will have 8 channels
and the others will have 2 or 8 depending on the settings of the
device. The ASBD that a client will see for these streams will just
show the usual Float32 samples with the appropriate sample rate and
number of channels.
I don't have an 896HD around here, but we do have several 828's and
we didn't see this problem with AMS there. Granted an 828 is not an
896, but they do share a similar stream layout.
On Oct 18, 2005, at 2:34 PM, Chris Liscio wrote:
I have a customer using a MOTU 896HD, and FuzzMeasure does not work
for him at all. Almost all applications (iTunes, Quicktime, a
"multitrack recording application", etc) can play audio through the
896HD with no problems. However, using FuzzMeasure, all he hears
is "clicking and popping" coming out of the device. When he
switches channels in FuzzMeasure, the "clicking and popping" simply
moves to other channels.
On his system, he can use the built-in audio with FuzzMeasure just
fine, so it's not a FuzzMeasure problem specific to his system in
general. Obviously, I'm tripping on something specific to this
device.
I decided to ask on this list because he cannot get the Audio MIDI
Setup "Configure Speakers" applet to play sound properly either.
He hears the same clicking and popping that he hears in FuzzMeasure!
So, it would look like whatever bug I have in my code also exists
in Audio MIDI Setup with the MOTU 896HD. If any of you folks who
have access to the Audio MIDI Setup code, and an 896HD to test this
with, I'd love to hear what's going on here.
Alternatively, if anyone has access to an 896HD and would like to
share the dump of its AudioStreamBasicDescription, I'd really
appreciate it.
--
Jeff Moore
Core Audio
Apple
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