Statistical analysis and performance of DFT domain noise reduction filters for robust speech recognition.
Colin BreithauptRainer MartinPublished in: INTERSPEECH (2006)
Keyphrases
- noise reduction
- noisy environments
- speech recognition
- statistical analysis
- edge enhancement
- median filter
- edge detection
- wiener filter
- signal to noise ratio
- edge preserving
- speech enhancement
- bilateral filter
- speaker identification
- hidden markov models
- edge preservation
- noise level
- pattern recognition
- background noise
- impulsive noise
- automatic speech recognition
- speech signal
- speech recognizer
- speech recognition technology
- noise removal
- word recognition
- neural network
- frequency domain
- impulse noise
- speech synthesis
- fourier transform
- language model
- edge preserving smoothing
- multiscale
- adaptive filtering