H - Electricity – 04 – S
Patent
H - Electricity
04
S
H04S 5/00 (2006.01)
Patent
CA 2047046
A method for producing simulated stereophonic two channel output from a single channel monaural input which has been divided into three substantially equal monaural signals comprising the steps of: imparting a first time delay to a first one of said three monaural signals; imparting a second time delay to a second one of said three monaural signals; controlling the gain of said first and a third one of said three monaural signals; mixing said gain controlled signals to provide a first channel output signal; and controlling the gain of said second monaural signal, said gain controlled second monaural signal being a second channel output signal; whereby said first and second channel output signals result in the production of a simulated stereophonic two channel output, wherein said single channel monaural input has been further divided so as to provide a fourth monaural signal substantially equal to each of said three other monaural signals, said method further comprising the steps of: imparting a third time delay to said fourth monaural signal; splitting said time delayed fourth monaural signal into two substantially equal components; controlling the gain of a first one of said time delayed components of said fourth monaural signal, said gain controlled first component being a third channel output signal; and controlling the gain of a second one of said time delayed components of said fourth monaural signal, said gain controlled second component being a fourth channel output signal; whereby the combination of said first, second, third and fourth channel output signals result in the production of a simulated quadraphonic four channel output.
Broadie Richard
Riches Mckenzie & Herbert Llp
LandOfFree
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