NDLI: Dither-like data hiding in multistage vector quantization of MELP and G.729 speech coding

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GPS C/A code tracking with adaptive beamforming and jammer nulling

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Dither-like data hiding in multistage vector quantization of MELP and G.729 speech coding

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Multichannel multiuser detection of space-time turbo codes: experimental performance results

OFDM space-time trellis-coded MIMO systems with experimental results

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CDMA-synchronization: multi-user performance at single-user complexity

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Multiple-antenna channels from a combined physical and networking perspective

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Volume 1 - 2002

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Proceedings of 1994 28th Asilomar Conference on Signals, Systems and Computers

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[1992] Conference Record of the Twenty-Sixth Asilomar Conference on Signals, Systems & Computers

[1991] Conference Record of the Twenty-Fifth Asilomar Conference on Signals, Systems & Computers

1990 Conference Record Twenty-Fourth Asilomar Conference on Signals, Systems and Computers, 1990.

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1977 11th Asilomar Conference on Circuits, Systems and Computers, 1977. Conference Record.

Dither-like data hiding in multistage vector quantization of MELP and G.729 speech coding

Content Provider	IEEE Xplore Digital Library
Author	Pao-Chi Chang Hsin-Min Yu
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. Eng., Nat. Central Univ., Chung-li, Taiwan (Pao-Chi Chang; Hsin-Min Yu)
Abstract	We present a speech data hiding technique that utilizes the characteristics of multistage vector quantization (MSVQ) and subtractive dithering to maintain high speech reconstruction quality. The last stage of MSVQ is used to store the data to be embedded. Similar to subtractive dithering, the noise-like hidden data is subtracted from the signal at the first stage of the encoder and added back at the MSVQ decoder. As a result, the degradation caused by hiding secret data is significantly reduced compared to the traditional simple substitution method.
Starting Page	1199
Ending Page	1203
File Size	261488
Page Count	5
File Format	PDF
ISBN	0780375769
ISSN	10586393
DOI	10.1109/ACSSC.2002.1196972
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-11-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data encapsulation Vector quantization Speech coding Decoding Speech enhancement Degradation Linear predictive coding Art Cryptography Protection
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Networks and Communications

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