Path: utzoo!utgpu!attcan!uunet!nuchat!texbell!bigtex!milano!cs.utexas.edu!tut.cis.ohio-state.edu!mailrus!caen.engin.umich.edu!mystone From: mystone@caen.engin.umich.edu (Dean Yu) Newsgroups: comp.sys.mac Subject: Re: Musical output from numerical simulations Keywords: musical output, numerical simulations, LSC Message-ID: <3f4c6607.129dc@blue.engin.umich.edu> Date: 27 Oct 88 02:25:00 GMT References: <12689@duke.cs.duke.edu> Organization: U of M Engineering, Ann Arbor, Mich. Lines: 24 In article <12689@duke.cs.duke.edu>, hsg@romeo.cs.duke.edu (Henry Greenside) writes: > For a demo as part of a nonlinear dynamics course, I > would like to write a LSC application that would > integrate ordinary differential equations that have > chaotic behavior (e.g., the 3-variable Lorenz > equations) and present the output (value of x(t), y(t), > z(t)) as musical tones. The integration of o.d.e.s is > easy, the translation into sound is not. > > Alternatively, you can imagine having time series > consisting of floating point numbers at equal intervals > of time. One would like to map the range of the time > series into the range of audible frequencies and > "listen" to the output, with possibly multiple voices > (several time series played at once). > > As a complete beginner with little understanding of the > Macintosh interface, I was wondering if anyone out > there in netland has done something like this and could > send me some source code to imitate? Any pointers or > tricks to watch out for? > Gee, this sounds like Anthem Richard MacDuff of Wayforward Technologies... ;)