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A perceptual audio codec using Warped Linear Prediction, Temporal Noise Shaping, and Vector Quantization is presented. These techniques are used to shape the quantization noise according to spectral and temporal masking characteristics of the ear. The quantization process is controlled by an auditory model. Simulations and subjective listening test results of the codec are also presented.
Author (s): Vaalgamaa, Markus; Härmä, Aki; Laine, Unto K.
Affiliation:
Helsinki University of Technology, Laboratory of Acoustics and Audio Signal Processing, ESPOO, FINLAND
(See document for exact affiliation information.)
Publication Date:
1999-09-06
Import into BibTeX
Session subject:
High Quality Audio Coding
Permalink: https://aes2.org/publications/elibrary-page/?id=8070
(617KB)
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Vaalgamaa, Markus; Härmä, Aki; Laine, Unto K.; 1999; Audio Coding with Auditory Time-Frequency Noise Shaping and Irrelevancy Reducing Vector Quantization [PDF]; Helsinki University of Technology, Laboratory of Acoustics and Audio Signal Processing, ESPOO, FINLAND; Paper 17-018; Available from: https://aes2.org/publications/elibrary-page/?id=8070
Vaalgamaa, Markus; Härmä, Aki; Laine, Unto K.; Audio Coding with Auditory Time-Frequency Noise Shaping and Irrelevancy Reducing Vector Quantization [PDF]; Helsinki University of Technology, Laboratory of Acoustics and Audio Signal Processing, ESPOO, FINLAND; Paper 17-018; 1999 Available: https://aes2.org/publications/elibrary-page/?id=8070
@article{vaalgamaa1999audio,
author={vaalgamaa markus and härmä aki and laine unto k.},
journal={journal of the audio engineering society},
title={audio coding with auditory time-frequency noise shaping and irrelevancy reducing vector quantization},
year={1999},
number={17-018},
month={august},}