Cepstral domain voice activity detection for improved noise modeling in MMSE feature enhancement for ASR.
Svein Gunnar PettersenMagne Hallstein JohnsenPublished in: INTERSPEECH (2008)
Keyphrases
- noisy environments
- voice activity detection
- speech recognition
- automatic speech recognition
- noise reduction
- domain specific
- minimum mean square error
- domain independent
- noise level
- noise variance
- speech signal
- image enhancement
- image processing
- median filter
- gaussian noise
- noisy data
- image noise
- frequency domain
- generative model
- feature vectors