Variable rate spectral quantization for phonetically classified CELP coding.
Roar HagenErdal PaksoyAllen GershoPublished in: ICASSP (1995)
Keyphrases
- high bit rate
- code length
- linear prediction
- rate distortion
- bits per pixel
- tree structured vector quantization
- linear predictive
- gray code
- subband coding
- coding scheme
- matching pursuit
- uniform quantization
- adaptive quantization
- rate control algorithm
- transform coding
- quantization scheme
- image codec
- spectral analysis
- video coding
- image coding
- distortion measure
- vector quantization
- efficient compression
- image quality
- subband image coding
- macroblock
- speech signal
- bit budget
- quantization error
- transform coefficients
- motion estimation