Code converter, variable length code decoder, and associated met

Details Code converter, variable length code decoder, and associated met Code converter, variable length code decoder, and associated met

1997-06-17

1999-02-09

Young, Brian

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

H03M 740

Patent

active

058700390

ABSTRACT:
The present invention makes it possible to achieve restoration of decoding processing more intricately in comparison with commonly-used techniques. The present invention increases post-restoration data reliability and is applicable to real-time decoding processing. A variable length code converter of the present invention provides an abnormal code detection signal when a bit-string subjected to conversion corresponds to none of variable length codes that belong in predetermined coding systems. At this time, a controller provides an error signal, and according to the error signal a bit-string is continuously output from a memory which stores bit-strings to be decoded. When the controller detects a header indicative of data partition from an output bit-string of the memory, it cancels the error signal. As a result, bit-string decoding resumes after the detected header.

REFERENCES:
patent: 5606370 (1997-02-01), Moon
patent: 5625356 (1997-04-01), Lee et al.
patent: 5675331 (1997-10-01), Watanabe et al.

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