An Authentication and Recovery Scheme for Digital Speech Signal Based on DWT.
Jing WangZhenghui LiuJunjie HeChuanda QiPublished in: IWDW (2015)
Keyphrases
- speech signal
- speech recognition
- speaker identification
- discrete wavelet transform
- automatic speech recognition
- spectral analysis
- digital watermarking
- image authentication
- multiresolution
- vocal tract
- background noise
- linear prediction
- additive noise
- hidden markov models
- wavelet coefficients
- fundamental frequency
- non stationary
- neural network
- speech enhancement
- cepstral coefficients