Spatial disassembly processor

Details Spatial disassembly processor Spatial disassembly processor

1994-04-15

2009-12-08

Lee, Ping (Department: 2614)

Electrical audio signal processing systems and devices

Binaural and stereophonic

Pseudo stereophonic

C381S027000

Reexamination Certificate

active

07630500

ABSTRACT:
A method of disassembling a pair of input signals L(t) and R(t) to form subband representations of N output channel signals o1(t), o2(t), . . . , oN(t), wherein t is time. The method includes the steps of generating a subband representation of the signal L(t) containing a plurality of subband components Lk(t) where k is an integer ranging from 1 to M; generating a subband representation of the signal R(t) containing a plurality of subband components Rk(t); and constructing the subband representation for each of the plurality of output channel signals, each of those subband representations containing a plurality of subband components oj,k(t), wherein oj,k(t) represents the kthsubband of the jthoutput channel signal and is constructed by combining components of the input signals L(t) and R(t) according to an output construction rule: oj,k(t)=f(Lk(t),Rk(t)) for k=1, 2, . . . , M and j=1, 2, . . . , N.

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“SP-1 Spatial Sound Processor”, Spatial Sound Inc., 1990.

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