On Thu, Oct 09, 2008 at 07:58:26PM +0300, Urja Rannikko wrote: > Even if AAC+ is a more advanced coding than MP3, it seems clear to me > that this could be optimized, Yes, but faad is so full of horribly inefficient code (I think rockbox included a patch by my that improves some things) that trying to make it really good is basically a lost cause, or at least not just a matter of adding some MMX. Use -ac ffaac for any files it supports, and if someone has time over please use it to improve that one, faad IMO is not worth it (though I admit I do not know if recent version are maybe at least a bit better). Greetings, Reimar D?ffinger