Low bit-rate speech coding by perceptually optimized noise excitation modulation.

Dionysis E. Tsoukalas John Mourjopoulos George Kokkinakis

Published 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