Multichannel signal coding equipment and multichannel signal...

Details Multichannel signal coding equipment and multichannel signal... Multichannel signal coding equipment and multichannel signal...

2005-08-24

2009-12-08

Trost, IV, William (Department: 2416)

Multiplex communications

Communication techniques for information carried in plural...

C704S208000

Reexamination Certificate

active

07630396

ABSTRACT:
Multichannel signal coding equipment is provided for presenting a high quality sound at a low bit rate. In the multichannel signal coding equipment (2), a down mix part (10) generates monaural reference channel signals for N number of channel signals. A coding part (11) codes the generated reference channel signal. A signal analyzing part (12) extracts parameters indicating characteristics of each of the N number of channel signals. An MUX part (13) multiplexes the coded reference channel signal with the extracted parameters.

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U.S. Appl. No. 11/574,783 to Yoshida, filed Mar. 6, 2007.

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