An OFDM speech scrambler without residual intelligibility

IEEE Region 10 Annual International Conference, Proceedings/TENCON

Volumn , Issue , 2007, Pages

  Tseng, D C ^a   Chiu, J H ^b  

^a NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Taiwan)

^b CHANG GUNG UNIVERSITY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

CONFORMAL MAPPING; DIGITAL IMAGE STORAGE; FAST FOURIER TRANSFORMS; FREQUENCY ALLOCATION; FREQUENCY DIVISION MULTIPLEXING; ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING; SPEECH INTELLIGIBILITY; TELECOMMUNICATION; TELECOMMUNICATION EQUIPMENT;

FREQUENCY COMPONENTS; FREQUENCY DOMAINS; MAPPING METHODS; SIMULATION RESULTS; SYSTEM STRUCTURES;

SPEECH;

EID: 48649093110     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/TENCON.2007.4428903     Document Type: Conference Paper

References (12)

1. AES algorithm (Rijndael) information, http://csrc.nist.gov/CryptoToolkit/ aes/rijndael/
2. L. S. Lee, G. C. Chou, and C. S. Chang, "A new frequency domain speech scrambling system which does not require frame synchronization," IEEE Trans. Commun., vol. 32, pp. 444-456, Apr. 1984.
3. H. J. Beker and F. C. Piper, Secure Speech Communications, Academic Press, London, 1985.
4. R. M. Milton, "A time and frequency-domain speech scrambler," COMSIG 1989 Proceedings, Southern African Conference, June 1989, pp. 125-130.
5. A. Matsunaga, K. Koga, and M. Ohkawa, "An analog speech scrambling system using the FFT technique with high-level security," IEEE J. Select. Areas Commun., vol. 7, no. 4, pp. 540-547, May 1989.
6. S. Sridharan, E. Dawson, and B. Goldburg, "Fast Fourier transform based speech encryption system," IEE Proc. I, vol. 138, no. 3, pp. 215-223, June 1991.
7. B. Goldburg, S. Sridharan, and E. Dawson, "Design and cryptanalysis of transform-based analog speech scramblers," IEEE J. Select. Areas Commun., vol. 11, no. 5, pp. 735-744, June 1993.
8. F. Ma, J. Cheng, and Y. Wang, "Wavelet transform-based analogue speech scrambling scheme," Electronics Letters, vol. 32, no. 8, pp. 719-721, Apr. 1996.
9. th Int. Conf. on Signal Processing, vol. 2, 26-30 Aug. 2002, pp. 1560-1563.
10. G. Manjunath, and G. V. Anand, "Speech encryption using circulant transformations," Proc. IEEE, Int. Conf. Multimedia and Exp, vol. 1, 2002, pp. 553-556.
11. Q. H. Lin, F. L. Yin, T. M. Mei, and H. Liang, "A blind source separation based method for speech encryption," IEEE Trans. On Circuits and Systems-I, vol. 53, no. 6, pp. 1320-1328, June 2006.
12. R. V. Nee and R. Prasad, OFDM for wireless multimedia communications, Artech House, Boston, 2000.