Innovative audio mosaic technique by permutations

Elaine Y.N. Sun, Hsiao Chun Wu, Costas Busch, Scott C.H. Huang, Yen Cheng Kuan, Jonathan Wu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Smart assistants have been indispensable mechanisms on electronic devices nowadays. However, as smart devices become prevalent everywhere, eavesdropping attacks could be encountered. Hence, information security is very important. Lately, we proposed a new efficient cryptographic mosaic technique, namely efficient recoverable cryptographic mosaic technique by permutations, for image mosaicing. In this paper, we further extend this mosaic technique for audio signals. To evaluate the effectiveness of this new audio-mosaicing scheme, here we propose a new audio signal-discrepancy measure, namely KullbackLeibler divergence of spectrogram (spec-KLD). We also relate this spec-KLD measure to the well-known signal-to-noise ratio (SNR) by benchmarking the signal destructuring effect. We also present the audio-mosaicing results based on speech recognition by Siri to demonstrate that our proposed approach can greatly (successfully) destroy the speech intelligibility for information hiding. The intelligence loss of speech is also enumerated in terms of spec-KLD and SNR.

Original languageEnglish (US)
Title of host publication15th IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, BMSB 2020
PublisherIEEE Computer Society
ISBN (Electronic)9781728157849
DOIs
StatePublished - Oct 27 2020
Externally publishedYes
Event15th IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, BMSB 2020 - Paris, France
Duration: Oct 27 2020Oct 29 2020

Publication series

NameIEEE International Symposium on Broadband Multimedia Systems and Broadcasting, BMSB
Volume2020-October
ISSN (Print)2155-5044
ISSN (Electronic)2155-5052

Conference

Conference15th IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, BMSB 2020
CountryFrance
CityParis
Period10/27/2010/29/20

Keywords

  • Information hiding
  • Kullback-Leibler divergence (KLD)
  • KullbackLeibler divergence of spectrogram (spec-KLD)
  • Permutation
  • Recoverable cryptographic mosaic
  • Siri
  • Spectrogram

ASJC Scopus subject areas

  • Computer Graphics and Computer-Aided Design
  • Computer Networks and Communications
  • Computer Science Applications
  • Human-Computer Interaction
  • Electrical and Electronic Engineering
  • Media Technology
  • Communication

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