On variable-scale piecewise stationary spectral analysis of speech signals for ASR.
Vivek TyagiHervé BourlardChristian WellekensPublished in: Speech Commun. (2006)
Keyphrases
- speech signal
- spectral analysis
- non stationary
- automatic speech recognition
- speech recognition
- noisy environments
- linear prediction
- vocal tract
- background noise
- blind source separation
- hidden markov models
- spectral features
- heart rate variability
- automatic speech recognition systems
- speech sounds
- sound source
- speech enhancement
- sound signals
- scale space
- pattern recognition
- information retrieval
- formant frequencies
- speech quality
- least squares
- image processing