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List:       ms-wmtalk
Subject:    Re: split .wma file into two files (left / right)
From:       Armstrong_Tim <Armstrong_Tim () AEPCO ! COM>
Date:       2005-04-22 14:59:09
Message-ID: 6D4AB3A23873D21185B400A0C9E1BD87012F7B94 () IC1
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That sounds exactly what we are looking for.  I appreciate the info.  I
like the fact that it will be a real-time product as you describe.  I
have a book, Programming Microsoft DirectShow for digital video and
television... not exactly what I need.

I have been looking to get involved with the Format sdk and diretshow
for a while.  Do recommended any resources (books, etc) to get started
on such a project?

R/
Tim

-----Original Message-----
From: Iain [mailto:idowns@DIRCON.CO.UK] 
Sent: Thursday, April 21, 2005 6:00 PM
To: WMTalk@DISCUSS.MICROSOFT.COM
Subject: Re: split .wma file into two files (left / right)

I meant to take the audio input into a DS program, split it into n mono
channels and encode with the ASF Writer filter rather than post
processing a
file with DS.

Iain

-----Original Message-----
From: WMTalk [mailto:WMTalk@DISCUSS.MICROSOFT.COM] On Behalf Of Chris
Parsons
Sent: 21 April 2005 13:24
To: WMTalk@DISCUSS.MICROSOFT.COM
Subject: Re: split .wma file into two files (left / right)

On 4/20/05, Armstrong_Tim <Armstrong_Tim@aepco.com> wrote:

> 
> By the way. is this because the WME9 is not ASIO compliant?
 
ASIO would see the device as 1 10 channel device.  This would make
life even more difficult in your case.

Iain's suggestion of a custom DirectShow audio splitter would do the
trick here.  Still it means decompression and recompression of the
audio, but I imagine that it should run at least 5-10x speed.

-Chris

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