Uma Nova Estratégia para a Estimação Objetiva da Qualidade de Sinais de Áudio (A New Strategy for Objective Estimation of the Quality of Audio Signals)

Jayme Garcia Arnal Barbedo (jgab@decom.fee.unicamp.br), Amauri Lopes (amauri@decom.fee.unicamp.br)


Departamento de Comunicações - Faculdade de Engenharia Elétrica e da Computação Universidade Estadual de Campinas - Campinas - São Paulo - Brasil
This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2004
Volume: 2,   Issue: 3 
ISSN: 1548-0992


Abstract:
This paper presents a new strategy for assessment of audio signal quality. The resulting method, named Objective Measure of Audio Quality, includes some of the most effective features found in the current methods of audio assessment, as well new techniques resulting from the identification and study of the major limitations of such methods. The performance of the new strategy is compared to that one achieved by PEAQ (Perceptual Evaluation of Audio Quality), currently adopted as standard by International Telecommunication Union (ITU).

Index Terms:
objective assessment of audio quality, filterbank, psycho-acoustic model, cognitive processing, Kohonen nets   


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