On 01/10/09 082330, "list boy" <i.am.list.boy at gmail.com> wrote: > It seems like whatever I do, the mono bitrate is 50% of whatever I > set my stereo rate at. > That's because it's one channel, not two. Half the data, half the data rate. Other encoders behave this way. If you find 160kbs to work for you in stereo (for argument's sake - let's not argue), then 80kbs will yield the same quality in mono. --