Encoding apparatus and encoding method

Details Encoding apparatus and encoding method Encoding apparatus and encoding method

2005-02-01

2005-02-01

Jeanglaude, Jean Bruner (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S050000, C341S051000

Reexamination Certificate

active

06850179

ABSTRACT:
Information is encoded into a code with a smaller number of bits. An encoding apparatus encodes an acoustic time series signal such that the acoustic time series signal is split into band signals in predetermined bands and gain adjustment is made on the band signals, at a gain control position by a gain control amount, for each of as many positions as indicated by a gain control number. Although the gain control number can take any one of values from 0 to 7, it has a high probability of taking a particular value (0, for example). The gain control number is encoded such that a code with a small number of bits is assigned to the gain control number equal to a value having a high-occurrence probability. The encoding is also applied to a voice recording apparatus.

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