[wdmaudiodev] Re: Added Data in USB Audio devices
- From: "kevin molcard" <kev2041@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Wed, 15 Aug 2007 19:01:18 +0200
Hi Sam,
Is this problem happening on every XP computer or just on dual core or
hyper-threading computer. If it is have a look there.
http://support.microsoft.com/?scid=kb%3Ben-us%3B919484&x=12&y=17
Regards,
Kevin
2007/8/15, YoungShin SAM Yoon <ysyoon@xxxxxxxxxxx>:
>
> Hello people,
>
> I have some difficulties in dealing with the added data in USB recording.
> I have tested with several USB audio devices in XP and found that most of
> them put some added(intentional/unintentional ?? ) data in the middlle of
> recording. Because my company is tring to process this data with DSP algo,
> this delay or added data is critical in processing echo cancellation. Is
> there anyone who knows why it is happending and how to prevent or detect
> this much of delay? Is it only a problem in windows XP and will not be in
> Vista?
>
> Thank you,
>
>
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