Signal processing circuit for binaural signals

Details Signal processing circuit for binaural signals Signal processing circuit for binaural signals

1978-04-25

1980-02-12

Olms, Douglas W.

179 1G, H04R 504

Patent

active

041885040

ABSTRACT:
A binaural signal processing circuit comprising a first system for imparting an input signal with a transfer characteristic equal to the transfer characteristic hL(t; .theta., r) from a sound source to the left ear of a listener, where .theta. represents an angle between the front direction of the listener and the sound source, and r represents a distance between the sound source and the listener, a second system for imparting the input signal with a transfer characteristic equal to the transfer characteristic hR(t; .theta., r) from the sound source to the right ear of the listener, a system for variably controlling the transfer functions of the first and second transfer function imparting systems, and a further system for deriving binaural signals from the first and second transfer function imparting systems.

REFERENCES:
patent: Re29490 (1977-12-01), Shamma
patent: 2920138 (1960-01-01), Fogel
patent: 3881057 (1975-04-01), Adachi et al.
patent: 3920903 (1975-11-01), Beller
patent: 4087631 (1978-05-01), Yamada et al.
patent: 4118569 (1978-10-01), Iwahara et al.
patent: 4118601 (1978-10-01), Yeap
"Stereophonic Reproduction" in Audio Engineering by Lode, Jan. 1950, pp. 15, 46 and 47.

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