Originally Posted by Iceman

From http://www.avsforum.com/avs-vb/showthread.php?t=1078985

Foobar2000 is the software to convert 5.1 pcm to stereo wavs burnable to CD.

Open the application.
Add the files of interest.
Highlight the files.
Right click on the highlighted files.
Select convert/convert to
The Converter Setup window pops up.
Click on DSP Processing then click on the box with three dots in it.
The DSP Converter window pops up.
From the right hand column, select Convert 5.1 to Stereo and press the <= button.
From the right hand column, select Resampler (PPHS) and press the <= button.
Press the Configure button and ensure its set for 44100 Hz.
Click OK.
The Converter Setup window is still open.
Ensure Encoding Preset is set to WAV and press OK.
Select the save location and press save.
The highlighted files will now be resampled to 44.1kHz and converted to stereo at the location you specified.
Burn those files to CD and you have a stereo CD of your 5.1 PCM files.

Ice