Serveur © IRCAM - CENTRE POMPIDOU 1996-2005.
Tous droits réservés pour tous pays. All rights reserved.

A One Card 64 Channel Digital Synthesizer

Giuseppe di Giugno, Hal Alles

Rapport Ircam 4/78, 1978
Copyright © Ircam - Centre Georges-Pompidou 1978

A digital synthesizer providing 64 FM oscillators at 32 kHz sampling rate, 128 envelope (ramp) generators, and 15 accumulating registers for interconnecting the oscillators has been constructed from about 160 integrated circuits on one wire wrap card 8" x 10 1/2". A block diagram of one of the 64 oscillators is shown in Fig. 1. The synthesizer is bus interfaced to a Digital Equipment Corp. LSI- 11 microcomputer. All control parameters appear in 1k word of LSI- 11 address space and may be manipulated by any LSI- 11 instruction.

La version électronique de ce texte n'est disponible dans son intégralité
qu'à partir des postes de consultation de l'Ircam, pour des raisons de copyright .

Les rapports de recherche et les revues musicales de l'Ircam (ainsi que des
disques, des brochures d'information...) peuvent être commandés auprès du
service de Communication de l'Ircam (tél: 01 44 78 48 98).

The full online version of this text is available only from within IRCAM,
for copyright reasons.

The Technical Reports, all the IRCAM periodicals as well as other publications (recordings, brochures, etc.) can be ordered from the IRCAM PR services
(phone: +33 (0) 1 44 78 48 98).