Low Bit-Rate Speech Coding Through Quantization of Mel-Frequency Cepstral Coefficients.
Laura E. BoucheronPhillip L. De LeonSteven SandovalPublished in: IEEE Trans. Speech Audio Process. (2012)
Keyphrases
- low bit rate
- adaptive quantization
- mel frequency cepstral coefficients
- linear predictive
- speech signal
- speaker recognition
- speaker identification
- shape coding
- coding method
- image compression
- acoustic features
- speech recognition
- bit rate
- gaussian mixture model
- video compression
- visual quality
- spectral features
- cepstral coefficients
- vector quantization
- feature vectors
- feature set
- image quality
- audio features
- principal component analysis
- automatic speech recognition
- video conferencing
- speaker diarization
- compression algorithm
- rate distortion
- noisy environments
- linear prediction
- compression ratio
- speaker verification
- coding scheme
- broadcast news
- feature extraction
- video coding
- subband
- peak signal to noise ratio
- motion compensated
- high frequency
- visual features
- wavelet transform
- reconstructed image
- inter frame
- motion compensation
- em algorithm
- face recognition