System for generating sounds

Details System for generating sounds System for generating sounds

2006-08-29

2006-08-29

Chin, Vivian (Department: 2644)

Electrical audio signal processing systems and devices

Binaural and stereophonic

Pseudo stereophonic

C381S017000, C381S063000

Reexamination Certificate

active

07099480

ABSTRACT:
The invention relates to a system for generating sounds with a left front loudspeaker which converts an electric signal of a left audio channel and with a right front loudspeaker which converts an electric signal of a right audio channel. Such a system for generating sounds in a room is known. The electric signals are processed such that spatial rear loudspeakers are dispensed with and the front loudspeakers generate a surround or spatial sound. According to the invention, a virtual filter generates virtual sound bodies laterally of a listener in a region between 80 and 100 degrees. Experiments have shown that the human ear is most sensitive to surrounding sound when sound sources are arranged laterally of a listener's head or when spatial sound is generated laterally of a listener.

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By Ir. A.W.M van den Enden and et al. Entitled: “Digitale Signaalbewerking” (Digital Signal Processing), ISBN No. 90 6674 7226, Delta Press B.V., on p. 204, section 7.31 Entitled “De directe vorm I” (The direct shape I). pp. 204-205.

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