MULTICHANNEL SURROUNDING SOUND OF FRONTAL INSTALLATION OF SPEAKERS Russian patent published in 2009 - IPC H04R5/02 H04S3/00 

FIELD: individual supplies.

SUBSTANCE: invention concerns multichannel sound reproduction systems, particularly application of psychoacoustic principles in acoustic system design. Surrounding sound reproduction system uses a number of filters and system of main and auxiliary speakers producing effect of phantom rear channels of surrounding sound or phantom surrounding sound by acoustic system or system of two speakers installed in front of listener. Acoustic system includes left and right input signals of surrounding sound and left and right frontal input signals. Left and right auxiliary speakers and left and right main speakers are positioned in front of audition position. Distance between respective main and auxiliary speakers is equal to distance between ears of an average human.

EFFECT: surrounding sound reproduction by speakers installed only in front of listener.

59 cl, 21 dwg