Mike F <paziu <at> yahoo.com> writes: > # ffmpeg -y -i c32.avi -c:a libaacplus -b:a 64k > -ac 2 -threads 12 -c:v copy -map 0:0 -map 0:1 > -c:s copy -strict experimental c32.mkv -v debug Is the problem also reproducible with -c:a aac ? Please do not top-post here, Carl Eugen