Projected sound localization headphone apparatus

Details Projected sound localization headphone apparatus Projected sound localization headphone apparatus

1976-02-19

1978-05-02

Olms, Douglas W.

179 1GP, 179 1J, H04R 500, H04R 300

Patent

active

040876314

ABSTRACT:
The present invention relates to a headphone apparatus which is adapted to be connected, for headphone listening, to a reproduction apparatus for reproducing a program source such as a record, a magnetic tape or an acoustic apparatus such as a radio receiving set. In accordance with the present invention, there is provided a headphone apparatus in which a direct audio frequency signal as an output signal from the electroacoustic apparatus is applied to reverberation circuits to generate indirect audio frequency signals and these direct and indirect audio frequency signals are mixed and applied to both the left and right electroacoustic transducers of the headphone apparatus, whereby an acoustic image can be established outside the listener's head just as in the case of listening to speakers.

REFERENCES:
patent: 3088997 (1963-05-01), Bauer
patent: 3214519 (1965-10-01), Fouque
patent: 3790711 (1974-02-01), Ojima et al.
patent: 3920904 (1975-11-01), Blauert et al.
patent: 3924072 (1975-12-01), Turner et al.
patent: 3970787 (1976-07-01), Searle

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