On 07/31/2010 10:51 AM, Krzysztof Duchnowski wrote: > -af-add pan=2:.5:.5:.5:0:0:.5:.5:0:0:.5:.5:.5 When using that with the file I posted, sound comes from the left, not center. And it's much worse then the example I posted, since it comes *extremely* from the left, not just slightly. Almost as if only one speaker is working.