Transmitter and receiver for speech coding and decoding by...

Details Transmitter and receiver for speech coding and decoding by... Transmitter and receiver for speech coding and decoding by...

2010-10-29

2011-11-08

Jackson, Jakieda (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C704S221000

Reexamination Certificate

active

08055499

ABSTRACT:
The present invention relates to a transmitter and a receiver for speech coding and decoding by using an additional bit allocation method. The transmitter and the receiver according to the present invention realize a voice communication service of high quality by using additional bits permitted in system requirements while using a conventional speech coder as it is. In addition, the transmitter and the receiver according to the present invention have an advantage in that they enable insertion of additional quantization blocks while not changing the structure of the conventional standard speech coder, since they allocate additional bits by applying a multi-stage quantization procedure not in a speech signal domain but in a parameter domain.

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U.S. Office Action mailed Mar. 2, 2010 in corresponding U.S. Appl. No. 12/071,587.
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U.S. Appl. No. 10/606,540, filed Jun. 26, 2003, Ho-Sang Sung, et al., Electronics and Telecommunications Research Institute.
U.S. Appl. No. 12/071,587, filed Feb. 22, 2008, Ho-Sang Sung, et al., Electronics and Telecommunications Research Institute.

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