[LAU] surround sound with mplayer and windows media

Hector Centeno hcengar at gmail.com
Sat Mar 14 12:37:02 EDT 2009

... forgot to add: yes, you can create a binaural version with Csound
using the older opcode or the better and recently added hrtf opcodes:


I've been using them to create binaural versions of my multichannel
pieces and it works pretty well. It's easy to put together a Csound
orchestra to process multiple mono files into a single stereo
binaural, I have one for 8 channels that I can post here if you are



On Sat, Mar 14, 2009 at 9:12 AM, Julien Claassen <julien at c-lab.de> wrote:
> Hello everyone!
>   I have a file, which is supposedly surroundsound, at least the site says so
> and I have no reason to doubt them. But when I open it with mplayer, it tells
> me, that there are only 2 channels:
> AUDIO: 44100 Hz, 2 ch, s16le, 192.0 kbit/13.61% (ratio: 24000->176400)
>   So how can I grab the different channels, to make a binaural version of it.
> I seem to remember that csound should be capable of that. But first of all I
> need all the different channels. At least I suppose so?
>   If anyone wants to test a file, it's here:
> http://www.wdr.de/radio/hoerspiel-surround/lautsprechertest192_44_16_vbr.wma
>   It's a small speaker test from their site.
>   Can anyone help me?
>   Kindest regards
>           Julien
> --------
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