Neural Network Classifiers and Principal Component Analysis for Blind Signal to Noise Ratio Estimation of Speech Signals.
Matthew MarbachRussell OnduskoRavi Prakash RamachandranLinda M. HeadPublished in: ISCAS (2009)
Keyphrases
- signal to noise ratio
- speech enhancement
- speech signal
- spectral subtraction
- principal component analysis
- noise reduction
- noisy speech
- noisy environments
- speech recognition
- edge detection
- automatic speech recognition
- vocal tract
- linear prediction
- background noise
- blind source separation
- wiener filter
- minimum mean square error
- received signal
- face recognition
- automatic speech recognition systems
- bit error rate
- additive noise
- gaussian noise
- estimation algorithm
- noisy images
- independent component analysis
- maximum likelihood
- single channel
- non stationary
- hidden markov models
- feature extraction