Study on Scramble Method for Speech Signal by Using Random-Bit Shift of Quantization

Author:

Zhu Zhi,Yamamoto Katsuhiko,Unoki Masashi,Aoki Naofumi

Publisher

Research Institute of Signal Processing, Japan

Reference7 articles.

1. [1] N. S. Jayant: Analog scramblers for speech privacy, Computers & Security, Vol. 1, pp. 275-289, 1982.

2. [2] L. Lee, G. Chou and C. Chang: A new frequency domain speech scrambling system which does not require frame synchronization, IEEE Transactions on Communications, Vol. 32, No. 4, pp. 444-456, 1984.

3. [3] N. S. Jayant, B. McDermott, S. Christensen and A. Quinn: A comparision of four methods for analog speech privacy, IEEE Transcations on Communications, Vol. COM-29, No. 1, pp. 18-23, 1981.

4. [4] A. Kataoka and S. Hayashi: A cryptic encoding method for G.729 using variation in bit-reversal sensitivity, IEICE Transactions (Japanese Edition), Vol. J87-D-II, No. 6, pp. 1224-1232, 2004.

5. [5] J. F. de Andrade, M. L. R. de Campos and J. A. Apolina'rio: Speech privacy for modern mobile communication systems, Proc. ICASSP2008, pp. 1777-1780, 2008.

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