t7345s 发表于 2015-1-29 22:16:54

ETSI EG 201 377-1 V1.1.1 (1999-04)

EG 201 377-1 V1.1.1 (1999-04)
ETSI Guide
Speech Processing, Transmission and Quality Aspects (STQ);
Specification and measurement of
speech transmission quality;
Part 1: Introduction to objective comparison measurement
methods for one-way speech quality across networks


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admin 发表于 2015-1-30 11:44:57

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