[Openal] 3D Sound and moving Listener

[Ken Noland]

There are lots of sound file editors out there that convert stereo to
mono. I use Cool Edit, but some freeware editors.

http://audacity.sourceforge.net/

is an open source editor, and pretty good from what I understand. It
does do stereo to mono.

-Ken Noland

-----Original Message-----
From: openal-bounces at opensource.creative.com
[mailto:openal-bounces at opensource.creative.com] On Behalf Of Jeremy
Henry
Sent: Thursday, November 02, 2006 2:55 PM
To: openal at opensource.creative.com
Subject: Re: [Openal] 3D Sound and moving Listener

We are running on Windows using VS .net 2k3 if that matters.  The device
we 
are using is DirectSound3D.  Also I just googled that stereo sounds for 
obvious reasons will not work with this.  Most of our sounds are stereo,
is 
there any such tool or other method to convert the files to mono or do
we 
need to recreate the sounds entirely?


>From: Daniel PEACOCK <dpeacock at creativelabs.com>
>To: openal at opensource.creative.com
>Subject: Re: [Openal] 3D Sound and moving Listener
>Date: Thu, 2 Nov 2006 11:32:20 -0800
>
>
>
>
>
>Hi,
>
>Which platform are you using ?  And (if relevant) which OpenAL device
are
>you opening / using ?
>
>Dan
>
>Notice
>The information in this message is confidential and may be legally
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>and contact the sender immediately.  Thank you.
>
>
>
>
>              "Jeremy Henry"
>              <jeremy_h at hotmail
>              .com>
To
>              Sent by:                  openal at opensource.creative.com
>              openal-bounces at op
cc
>              ensource.creative
>              .com
Subject
>                                        [Openal] 3D Sound and moving
>                                        Listener
>              11/02/2006 11:05
>              AM
>
>
>
>
>
>
>
>
>We want to have certain static ojbects emit sounds in our game and fade
in
>and out as the camera moves around the objects.  In our project we are
>updating the listener with...
>alListenerfv(AL_POSITION,    ListenerPos);
>alListenerfv(AL_VELOCITY,    ListenerVel);
>alListenerfv(AL_ORIENTATION, ListenerOri);
>but there is no change to the sounds volume.  I then downloaded this
>tutorial from devmaster.net
>http://www.devmaster.net/articles/openal-tutorials/lesson2.php where it
had
>
>a source moving away from a static listener.  I changed it so that the
>static listener was moving and the source itself was static and got the
>same
>problem as our project.
>
>
>PS Thanks for the tip on handling the error in alGenSource to know when
we
>hit the limit of channels being used.  Worked that to make a smooth way
of
>kicking out lower priority sounds and retrying on the higher one.
>
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