Method and apparatus for protecting lossless transmission of...

Details Method and apparatus for protecting lossless transmission of... Method and apparatus for protecting lossless transmission of...

2006-04-11

2006-04-11

Chase, Shelly (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error/fault detection technique

C714S758000

Reexamination Certificate

active

07028249

ABSTRACT:
A method and apparatus for encoding an input digital signal for lossless transmission comprising first calculation means for calculating a checksum of the input digital signal. The apparatus further comprises encoding means for lossless encoding into an encoded packet of digital data, and composition means for adding the associated checksum to the encoded packet to form an encoded signal. Associated are a method and apparatus for decoding the encoded signal, comprising extracting means for receiving the encoded signal and extracting the encoded packet and associated checksum, decoding means for decoding the encoded packet into a decoded packet comprising the input digital signal, second calculation means for calculating a checksum for the decoded packet, and output means for outputting the decoded packet as an output signal if the calculated checksum corresponds with the extracted checksum.

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F. Bruekers et al., “Improved Lossless Coding of 1-bit Audio Signals”, 103rdConvention of the AES, Sep. 1997, preprint 4563.

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