Algorithm of digital watermarks forming for audiosignals

Author

Shishkin, A.V.

Author_Institution

Odessa Nat. Maritime Acad., Odessa, Ukraine

fYear

2013

fDate

8-14 Sept. 2013

Firstpage

454

Lastpage

455

Abstract

The novel algorithm of DWM forming is designed on the base of scalar product quantization for vectors of audio signal frequency coefficients and pseudorandom sequence. Adaptation of step quantization and multichannel processing using OFDM technology provide DWM robustness against amplitude distortions, filtering and digit-analog-digit transformation. Possibility of flexible choosing of algorithm parameters allows realizing DWM robustness-imperceptibility trade-off for construction of practical schemes of information security.

Keywords

OFDM modulation; audio signal processing; audio watermarking; distortion; filtering theory; quantisation (signal); DWM forming algorithm; DWM robustness; DWM robustness-imperceptibility trade-off; OFDM technology; algorithm parameters; amplitude distortions; audio signal frequency coefficients vectors; audiosignals; digit-analog-digit transformation; digital watermarks algorithm; filtering; information security; multichannel processing; pseudorandom sequence; scalar product quantization; step quantization adaptation; Algorithm design and analysis; Electronic mail; OFDM; Quantization (signal); Robustness; Vectors; Watermarking;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave and Telecommunication Technology (CriMiCo), 2013 23rd International Crimean Conference

Conference_Location

Sevastopol

Print_ISBN

978-966-335-395-1

Type

conf

Filename

6652901