This is not correct, you have mono from one channel only then. To get the full audio range, add the left and right channel simply with two resistors, and a third one to ground. > If this is not related to the question you raised please ignore it. > Rich If you have a stereo and you use only one channel, it is mono. There > is no conversion necessary. If you have a balance control, simply move the > balance pot to maximum at the channel you use. > > Marcel Birthelmer wrote: > > > >>Hi all, > >>what would be a good way to convert stereo audio to mono? > > I think you would use an opamp with two inputs. In some applications the > > signals might be a bit out of phase giving a strange output. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist