[wdmaudiodev] Re: USB Audio synch. mechanism
- From: "DJ Sisolak" <dsisolak@xxxxxxxxxxxxxxxxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Thu, 15 May 2003 10:42:02 -0700
Hello Dan,
Yes, this is only an error for the renderers. It does not apply to
capture. Thanks for pointing that out. Apologies for the ambiguity.
Thanks,
DJ Sisolak
Microsoft Corp.
This posting is provided "AS IS" with no warranties, and confers no
rights.
-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Daniel E. Germann
Sent: Thursday, May 15, 2003 5:29 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: USB Audio synch. mechanism
Hi, DJ.
Does this error only apply to output devices? I would think input
devices
might work properly since there is no need for usbaudio to "adapt" to
sample
rate changes (i.e., vary the amount of data sent to the device each
frame),
since all it has to do is deliver the amount of data it receives from
the
device during each frame. Is that correct?
Thanks,
-Dan
LR Sound, Inc.
----- Original Message -----
> Subject: [wdmaudiodev] Re: USB Audio synch. mechanism
> Date: Wed, 14 May 2003 09:37:31 -0700
> From: "DJ Sisolak"
>
>
> Hello Devendra,
>
> The error with async endpoints has to do with the timeliness of the
> updating of the sample rate based on the data from the feedback
> endpoint. Technically it will work with all OS's back to Win98, but
only
> recently have I fixed the timing.
>
> Thanks,
> DJ Sisolak
> Microsoft Corp.
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