Noise removing for time-variant vocal signal by generalized modulation.
Jian-Jiun DingChing Hua LeePublished in: APSIPA (2013)
Keyphrases
- received signal
- signal detection
- signal to noise ratio
- low signal to noise ratio
- random noise
- wide band
- additive noise
- white noise
- multiplicative noise
- single channel
- speech signal
- low snr
- response function
- stochastic resonance
- low frequency
- noise reduction
- frequency domain
- gaussian noise
- noise shaping
- amplitude modulation
- original signal
- signal processing
- modulation scheme
- weak signal
- power spectrum
- non stationary
- noise variance
- wiener filter
- quantization noise
- denoising methods
- pixel intensities
- emotion recognition
- noisy environments
- signal subspace
- impulse response
- noise free
- noisy data
- high frequency
- hidden markov models
- direct sequence spread spectrum