Can you PM me a sample (preferably the first 10MB, or a single archive under 10MB). I'll try and see if I can make anything of it :) done. PS I wrote aweful code that split awc files, but result is totally unaceptable, as channel files has different lenght, and you can hear scratches in almost ever...

No, unfortunately it wasn't that simple.
But seems that all sound separated by large zero blocks in container(more than 20kb). There is 14 seconds sound data(7 for left and 7 for right channels) and then large zero block, that includes some header...

I discovered that it is not encrypted and has mp3 in it(cuz there is planty LAME3.97 marks in it). And if you'll cut all header data from bytes "54 41 44 41" to bytes "FF FB" you could actually play it as MP3 file (32000 Hz / 24-bit / 1 channels). But it will repeate some segment...