Transmitting and reproducing stereophonic audio signals

Details Transmitting and reproducing stereophonic audio signals Transmitting and reproducing stereophonic audio signals

2003-01-10

2008-09-23

Chin, Vivian (Department: 2615)

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

C381S003000, C381S001000, C381S098000, C381S103000, C381S017000, C381S006000, C381S014000, C381S018000, C381S022000, C381S023000, C700S094000, C455S118000, C455S313000, C455S323000

Reexamination Certificate

active

07428308

ABSTRACT:
Apparatus and method for transmitting and reproducing stereophonic audio signals are disclosed. The method comprises splitting first and second channels into two frequency bands, combining the lower frequency band signals of the two channels, and transmitting the combined signals of the two channels or signals representative thereof. The apparatus comprises: a splitter for splitting each of the two channels into two frequency bands, a combiner, for combining the lower frequency band signals of the two channels, and a transmitter for transmitting the combined signals, or signals representative thereof, and the higher frequency band signals of the two channels, or signals representative thereof.

REFERENCES:
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patent: 0200499.2 (2002-02-01), None
patent: WO 02/05593 (2002-01-01), None

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