An upper bound on the quality of artificial bandwidth extension of narrowband speech signals.
Peter JaxPeter VaryPublished in: ICASSP (2002)
Keyphrases
- speech signal
- upper bound
- speech recognition
- automatic speech recognition
- speech quality
- lower bound
- vocal tract
- background noise
- adaptive filtering
- additive noise
- non stationary
- linear prediction
- spectral analysis
- high quality
- blind source separation
- noisy environments
- hidden markov models
- automatic speech recognition systems
- worst case
- sound source
- speech sounds
- bayesian networks