语音清晰度测量对VoIP压缩算法的客观评价

Proceedings of the Fourth IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.02TH8611) Pub Date : 2002-08-07 DOI:10.1109/ICCDCS.2002.1004116

E.E. Zurek, J. Leffew, W. Moreno

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引用次数: 13

摘要

本文综述了VoIP压缩算法的客观测量方法。本文概述了VoIP网络，并介绍了ITU-T G.729和G.723.1标准的主要特性。本文回顾了语音清晰度的PSQM、PAMS和PESQ测量方法，并解释了感知模型在语音清晰度客观测量中的应用。简要讨论了影响语音质量的因素:延迟、回声和清晰度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Objective evaluation of voice clarity measurements for VoIP compression algorithms

This paper contains a review of objective measurements for VoIP compression algorithms. An overview of VoIP networks is presented along with a description of the main characteristics of ITU-T G.729 and G.723.1 standards. PSQM, PAMS, and PESQ measurements for voice clarity are reviewed, and an explanation of the application of perceptual models for the objective measurement of voice clarity is presented. The factors that affect voice quality, delay, echo, and clarity, are discussed briefly.

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来源期刊

Proceedings of the Fourth IEEE International Caracas Conference on Devices, Circuits and Systems (Cat. No.02TH8611)

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