Communication apparatus

Details Communication apparatus Communication apparatus

2005-02-22

2005-02-22

McFadden, Susan (Department: 2655)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Application

C704S228000, C704S227000

Reexamination Certificate

active

06859779

ABSTRACT:
A background sound sending side multiplexes and sends, in a multiplexer, uttered encoded speech data generated in a speech sending section and encoded background sound data outputted from a background sound storing section. Simultaneously, a background sound reproducing section, reproduces encoded background sound data and reproduced background sound signal is superposed on received speech in a receiving section and outputted from a receiver. A background sound receiving side demultiplexes, in a demultiplexer, received multiplexed data into received encoded speech data and encoded background sound data which are decoded in the receiving section and the background sound reproducing section respectively, and in the receiving section, a sound in which received speech and background sound are superposed is outputted from a receiver.

REFERENCES:
patent: 5422937 (1995-06-01), Ferrara
patent: 5867815 (1999-02-01), Kondo et al.
patent: 5970446 (1999-10-01), Goldberg et al.
patent: 6141385 (2000-10-01), Yamaji
patent: A-11-191796 (1999-07-01), None
patent: A-11-331379 (1999-11-01), None

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