On the Influence of Modifying Magnitude and Phase Spectrum to Enhance Noisy Speech Signals.
Hans-Günter HirschMichael GrefPublished in: INTERSPEECH (2017)
Keyphrases
- speech signal
- noisy environments
- spectral subtraction
- speech recognition
- phase information
- automatic speech recognition
- speech enhancement
- vocal tract
- background noise
- automatic speech recognition systems
- additive noise
- spectral analysis
- adaptive filtering
- linear prediction
- blind source separation
- hidden markov models
- sound signals
- non stationary
- prediction error
- fundamental frequency
- noisy speech
- wavelet transform