Page  401 ï~~POTENTIAL APPLICATIONS OF MI C MUSICAL PER] Emile Tobenfeld Dr. T's Music Software 35 Beaconwood Road Newton MA 02161 USA ABSTRACT: Software programs that can be u: musical performance are divided into categor programs in each category are discussed. 4 existing programs to performance are suggestx of improvising ensembles using these progra

Page  402 ï~~does not provide an interactive feedback loop, but performance. There are many additional possibilities for such pro controllers, the software could allow changres to the computer in response to the performers' actions. P depending on the register, dynamics or density of the follow the tempo of the performance, pitches might be perceives the performer to be using, etc. All of these r: composer, or the performers might be able to modify the players can be included in the feedback loop, eithe simultaneously physical sound generators and MIDI co to extract information about the acoustic performance Once we have allowed the presequenced parts to rea them to react to each other as well. The Sequence P1 dynamic system, as parts react to other parts, which a players. If these reactions are under the control of a per could provide a fertile environment for musical imprc Algorithmic Music Generator. Algorithmic Music Generators Let us define an Algorithmic Music Generator as continuous process using the program's algorithms an prior to the performance. For such programs to be impr the Derformer to modify the output by interacting w

Page  403 ï~~I have been working for over two years with an u has characteristics of all three categories discussed using a van sequences c; or keyboard and modify iety of algorithms in an be played as is, or action. The program the results of its own response to moust have their pitch, ve has a powerful recut gestures. A MIDIl 1 M can be uses The prc found it an:to modifye v a.--r m )gram is in ar enormously I almost any aspect n unfinished state, powerful and fie of the gesti and has av xible tool fc Input Processors ___L' _ we cal programs wnicn c programs have a great deal in c response to gesture. They als Sequence Playback Programs, used to modify the data produ create music ommon with so have a gre in respon Gestural at deal ir Iw m a I as any process that car ced in response to the e an arbitrarily comple The computer can r Possibilities range from following the pitch and I I Â~ Â~ I V I )roduce simple velocit3 Wi' echoes and arpeggiatI y of the notes played, -~-S- i wneel a The domain. attack tip 1ci pedlat ata, as well as note data. computer could also respond to acoustic inj Commercially available hardware can extrac me of an acoustic sound and convert it to M......v v imagine hardware that; could provide to the comput