Low bit-rate speech coding by perceptually optimized noise excitation modulation.
Dionysis E. TsoukalasJohn MourjopoulosGeorge KokkinakisPublished in: Signal Process. (1997)
Keyphrases
- low bit rate
- coding method
- shape coding
- coded images
- video coding scheme
- adaptive quantization
- bit rate
- quantization noise
- rate distortion optimized
- image codec
- image compression
- visual quality
- video compression
- image quality
- coding scheme
- compression algorithm
- coding efficiency
- compression ratio
- video coding
- video conferencing
- inter frame
- blocking artifacts
- human visual system
- rate distortion
- bitstream
- image coder
- signal to noise ratio
- subband
- peak signal to noise ratio
- error concealment
- speech signal
- video codec
- macroblock
- video encoder
- motion estimation
- compression efficiency
- motion compensation
- audio visual
- motion compensated
- video quality
- reconstructed image
- sparse coding