Intelligent error checking method and mechanism

Details Intelligent error checking method and mechanism Intelligent error checking method and mechanism

2005-10-25

2005-10-25

Lamarre, Guy (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S052000, C714S054000, C714S006130, C714S807000, C360S053000, C365S200000, C369S001000, C369S030210, C369S030220

Reexamination Certificate

active

06959411

ABSTRACT:
An intelligent MP3 error check detection method and apparatus. The claimed invention discloses an apparatus and method where all MP3 files are initially assumed to have compatible error checksums. A parameter W is initialized to zero. The parameter W is not constant and conceptually represents a state of the error check method. The destructive value of a first predefined constant is added to the parameter W each time the integrity of the data within the frame cannot be verified. The constructive value of a second predefined constant is subtracted from the parameter W each time the integrity of the data within the frame is successfully verified. If the value of the parameter W equals or exceeds a predefined threshold, the remainder of the MP3 file is decoded and played without error check protection.

REFERENCES:
patent: 6169802 (2001-01-01), Lerner et al.
patent: 6278387 (2001-08-01), Rayskiy
patent: 2002/0133764 (2002-09-01), Wang

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