Our simulator is a signal processor for synthesizing complex sound fields matching those found in auditoriums. Such fields consist of a large number of signals from different directions, each of which is a different composite of numerous discrete time delays, varying in reverberation, frequency balance, and other parameters. To be a useful research tool, the simulator must permit rapid and calibrated control of these parameters. The design and several applications of analog instrumentation capable of generating acoustic fields from -dry- one or two channel program material is described.
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