So the first part will be something like SinOsc c => dac; SinOsc m => blackhole; Step centre_freq => c; 440 => centre_freq.next ; 2 => c.sync ? Thank you Kas for being so patient -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.cs.princeton.edu/pipermail/chuck-users/attachments/20121005/258ea4ee/attachment.html>