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MULTIPLE DESCRIPTION CODING OF AUDIO USING PHASE...
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MULTIPLE DESCRIPTION CODING OF AUDIO USING PHASE SCRAMBLING

Abstract

In this paper, we proposed a method to decrease the effects of data loss in an audio segment using phase scrambling. Phase scrambling is used to spread the data of each block of an audio segment over all other blocks of the scrambled audio, followed by coding. In our experiments we observed the effects of different cases of loss and also used a customized recovery method for lost segments of data. The results obtained by employing this method shows great improvements compared to cases of data loss without exploiting phase scrambling. This technique can be readily used in transmission of audio segments over unreliable networks such as VoIP.

Authors

Hojjat SP; Sadri KF; Shirani S

Pagination

pp. 153-156

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Publication Date

June 1, 2008

DOI

10.1109/icme.2008.4607394

Name of conference

2008 IEEE International Conference on Multimedia and Expo
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