A Band Extension Technique for G.711 Speech Using Steganography

Naofumi AOKI

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Summary :

This study investigates a band extension technique for speech data encoded with G.711, the most common codec for digital speech communications system such as VoIP. The proposed technique employs steganography for the transmission of the side information required for the band extension. Due to the steganography, the proposed technique is able to enhance the speech quality without an increase of the amount of data transmission. From the results of a subjective experiment, it is indicated that the proposed technique may potentially be useful for improving the speech quality, compared with the conventional technique.

Publication
IEICE TRANSACTIONS on Communications Vol.E89-B No.6 pp.1896-1898
Publication Date
2006/06/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e89-b.6.1896
Type of Manuscript
LETTER
Category
Network

Authors

Keyword

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