Low complexity no delay reconstruction of missing packets...

Details Low complexity no delay reconstruction of missing packets... Low complexity no delay reconstruction of missing packets...

2011-08-02

2011-08-02

McFadden, Susan (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

Reexamination Certificate

active

07991612

ABSTRACT:
Lost frame reconstruction is described. A previous good or reconstructed frame may be analyzed to determine a category for the lost frame. A percentage Pimay be associated with the determined category of the lost frame. A top Pipercent magnitude samples may be zeroed out in an excitation of the previous good or reconstructed frame to produce a reconstruction excitation. The reconstruction excitation may be applied to one or more linear prediction coefficients for the previous good or reconstructed frame to generate a reconstructed frame.

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patent: 7668712 (2010-02-01), Wang et al.
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