Optimization of temporal filters in the modulation frequency domain for constructing robust features in speech recognition.
Jeih-Weih HungPublished in: INTERSPEECH (2007)
Keyphrases
- frequency domain
- speech recognition
- feature extraction
- spatial domain
- speech recognition systems
- noisy environments
- bandpass
- fourier transform
- hidden markov models
- frequency response
- denoising
- automatic speech recognition
- low frequency
- speech signal
- language model
- subband
- speech synthesis
- cross correlation
- power spectrum
- pattern recognition
- edge detection
- feature vectors
- directional filtering
- fourier analysis
- feature set
- feature space
- gabor filters
- filter bank
- low pass
- multiresolution
- speaker identification
- noise reduction
- structural features
- machine learning
- wavelet transform
- computer vision