Environmental reverberation processor

Details Environmental reverberation processor Environmental reverberation processor

2005-07-12

2005-07-12

Harvey, Minsun Oh (Department: 2644)

Electrical audio signal processing systems and devices

Sound effects

Reverberators

C381S061000

Reexamination Certificate

active

06917686

ABSTRACT:
A method and apparatus for processing sound sources to simulate environmental effects includes source channel blocks for each source and single reverberation block. The source channel blocks include direct, early reflection, and late reverberation blocks for conditioning the source feeds to include delays, spectral changes, and attenuations depending on the position, orientation and directivity of the sound sources, the position and orientation of the listener, and the position and sound transmision and reflection properties of obstacles and walls in a modeled environment. The outputs of the source channel blocks are combined and provided to single reverberation block generating both the early reflections and the late reverberation for all sound sources.

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patent: 5812674 (1998-09-01), Jot et al.
“Analysis and Synthesis of Room Reverberation Based on a Statistical Time-Frequency Model,” Jot et al.,103rd Convention of Audio Engineering Society,_Sep. 26-29, 1997, New York, N.Y.

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