This paper describes a new VLSI chip that uses Fourier transform technology and a processing architecture never before used in a low-cost monolithic circuit. The chip is internally wired to implement two independent 2048-tap filters with coefficients that can be changed at will. It includes a powerful processor which is programmable through an easy to use assembly language which provides various functions suitable for acoustic environment simulation. The chip uses industry-standard bit-serial data formats and has a noise performance that exceeds 100 dB relative to full scale. A low cost but full-feature development system for use with a personal computer is also available.

Authors: Ables, J. G.; Jacka, C. E.; Bunton, J. D.
Affiliation: Radiophysics, CSIRO Division, Sydney, Australia
AES Convention: 93 (October 1992) Paper Number: 3438
Publication Date: October 1, 1992
Subject: Digital Innovations in Audio Technology

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