ITU-T P 502 NOTE-2001 Objective test methods for speech communication systems using complex test signals (Study Group 12)《对于语音通信系统使用综合测试信号的客观测试方法 12号研究组》.pdf

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ITU-T P 502 NOTE-2001 Objective test methods for speech communication systems using complex test signals (Study Group 12)《对于语音通信系统使用综合测试信号的客观测试方法 12号研究组》.pdf_第1页
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Union internationale des tlcommunicationsPlace des Nations 1211 GENVE 20 Suisse Switzerland SuizaCOVERING NOTE GENERAL SECRETARIAT INTERNATIONAL TELECOMMUNICATION UNIONSubject: ERRATUMGeneva, 27 July 2001Recommendation ITU-T P.502 (05/00)TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITUITU-T Recommendation P.502 (05/00)Objective test methods for speech communication systems using complex testsignalsIn Table 2/P.502, replace F0values by the following:F01= 270 250 HzF02= 290 270 Hz

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