Method, device and program for coding and decoding acoustic...

Details Method, device and program for coding and decoding acoustic... Method, device and program for coding and decoding acoustic...

2006-06-20

2006-06-20

Anderson, Matthew (Department: 2682)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S067130, C455S131000, C455S130000, C704S222000, C704S214000

Reexamination Certificate

active

07065338

ABSTRACT:
In coding and decoding an acoustic parameter, a weighted vector is generated by multiplying a code vector output in a past frame and a code vector selected in a present frame by weighting factors respectively selected from a factor code book and adding the products to each other.

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Hiroyuki Ehara, et al., “A high Quality 4-kbits/s Speech Coding Algorithm Based on MDP-CELP”, VTC2000, vol. 2 of 3, Conf. 51, XP-000968135, May 15, 2000, pp. 1572-1576.

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