On 10/01/13 17:22, Eliot Blennerhassett wrote: > On 10/01/13 16:55, Mayes, Kerry wrote: >> Hi all >> >> I'm looking for some software that will display up to four sine waves >> added together. My trouble is I don't really know what search terms to use! >> >> What I am trying to demonstrate is the difference between >> equal temperament and just intonation - two ways of tuning in music. >> For example, the note A is generally 440Hz, 880Hz, ... A just tuned >> 3rd (Db) is 550Hz whereas the equal tempered 3rd is 554.37Hz (440 * >> 2^(4/12)).
Or using wxmaxima... f1:440; f2:550; w : 2 * %pi; plot2d(sin(w * f1 * t) + sin(w * f2 * t), [t, 0, 0.1]); _______________________________________________ Linux-users mailing list [email protected] http://lists.canterbury.ac.nz/mailman/listinfo/linux-users
