Method and apparatus for audio error concealment using data...

Details Method and apparatus for audio error concealment using data... Method and apparatus for audio error concealment using data...

2006-05-16

2006-05-16

Young, Wayne (Department: 2655)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C704S200100, C704S500000

Reexamination Certificate

active

07047187

ABSTRACT:
A method for concealing errors in an audio signal includes digitally encoding the audio signal into a plurality of audio data packets representative of the audio signal; determining a perceptually tolerable distortion limit for the audio packets; and altering a value of at least one audio packet by an amount within the perceptually tolerable distortion limit utilizing information representative of a different audio data packet.

REFERENCES:
patent: 5233629 (1993-08-01), Paik et al.
patent: 5943347 (1999-08-01), Shepard
patent: 6714683 (2004-03-01), Tian et al.
patent: 6725192 (2004-04-01), Araki
patent: 6778953 (2004-08-01), Edler et al.

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