Multichannel audio

NTDEV
1

Hello All,

I need to play a wave file in multichannel format, for channels = 4. Is
there a way to write a program to support this format or any readymade
tool to download and play this file. I found only one document at
microsoft site:
http://www.microsoft.com/hwdev/audio/multichaud.htm
but whatever mentioned at this site doesn’t seem to be there in vc++. I
mean, some of the structures defined at this site like WAVEFORMATPCMEX
and WAVEFORMATEXTENSIBLE are not there in mmreg.h file, infact not there
at all in any of the header file.
If someone has any idea about this, please help.

Thanks in advance.
-Fareed.

2

Hello All,

I need to play a wave file in multichannel format, for channels = 4. Is
there a way to write a program to support this format or any readymade
tool to download and play this file. I found only one document at
microsoft site:
http://www.microsoft.com/hwdev/audio/multichaud.htm
but whatever mentioned at this site doesn’t seem to be there in vc++. I
mean, some of the structures defined at this site like WAVEFORMATPCMEX
and WAVEFORMATEXTENSIBLE are not there in mmreg.h file, infact not there
at all in any of the header file.
If someone has any idea about this, please help.

Thanks in advance.
-Fareed.

3

WAVEFORMATEXTENSIBLE is defined in mmreg.h as well as ksmedia.h. I believe
these newer versions are in the Win2K version of the SDK/DDK (if not
sooner).

-----Original Message-----
From: Fareeduddin A. Mohammed [mailto:xxxxx@sigmatel.com]
Sent: Monday, March 06, 2000 10:34 AM
To: NT Developers Interest List
Subject: [ntdev] Multichannel audio

Hello All,

I need to play a wave file in multichannel format, for channels = 4. Is
there a way to write a program to support this format or any readymade
tool to download and play this file. I found only one document at
microsoft site:
http://www.microsoft.com/hwdev/audio/multichaud.htm
but whatever mentioned at this site doesn’t seem to be there in vc++. I
mean, some of the structures defined at this site like WAVEFORMATPCMEX
and WAVEFORMATEXTENSIBLE are not there in mmreg.h file, infact not there
at all in any of the header file.
If someone has any idea about this, please help.

Thanks in advance.
-Fareed.