Richard Robinson writes: | There was another program mentioned on the same site, that hides a message | in "small, hardly-noticeable changes" to an ascii file. Which would be an | interesting way of coming up with variants of a tune. The message could | then be delivered by playing the tune, and the recipient would transcribe | it to recover the message ...
This does suggest an interesting approach: We all get into playing slow airs. We "phase-encode" bits in the excess lengths of notes, i.e., any note longer that the basic lengths in a well-known ABC or printed version of the tune. To subscribe/unsubscribe, point your browser to: http://www.tullochgorm.com/lists.html
