Encoding device and decoding device

Details Encoding device and decoding device Encoding device and decoding device

2011-04-26

2011-04-26

Faulk, Devona E (Department: 2614)

Electrical audio signal processing systems and devices

Binaural and stereophonic

Quadrasonic

C381S022000, C704S500000, C704S501000, C704S502000, C704S225000, C341S050000, C341S051000, C341S160000, C375S242000

Reexamination Certificate

active

07933417

ABSTRACT:
The present invention relates to an encoding device for saving the number of bits of codes. In step S11, the differential value between a normalization coefficient Bito be encoded and a normalization coefficient Bi-1for an encoding unit Ai-1in a band adjacent to the lower side of an encoding unit Aicorresponding to the normalization coefficient Biis computed. In step S12, reference is made to a table in which a differential value having a high frequency of occurrence is associated with a code having a small number of bits, and a code corresponding to the computed differential value is read. In step S13, it is determined whether or not all normalization coefficients B have been encoded. If it is determined that all normalization coefficients B have been encoded, in step S14, the code read in step S12is output. The present invention is applicable to an audio recorder.

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