An OFDM-Based Speech Encryption System without Residual Intelligibility.

Der-Chang Tseng Jung-Hui Chiu

Published in: IEICE Trans. Inf. Syst. (2008)

Keyphrases

speech recognition
speech signal
encryption algorithms
speech synthesis
encryption scheme
automatic speech recognition

dialogue system
image encryption
encryption algorithm
recognition engine
signal to noise ratio
noisy environments

spoken language
multipath
key management
wireless communication systems
orthogonal frequency division multiplexing
hearing impaired

ofdm system
speaker identification
hidden markov models
communication systems
image coding
language model