标准查询 标准查询电话机响度评定值的计算
Calculation of Loudness Ratings for Telephone Sets - Series P: Telephone Transmission Quality, Telephone Installations, Local Line Networks - Measurements Related to Speech Loudness Study Group 12; COVERING NOTE: 05/25/2000; COVERING NOTE: 01/27/2005
标准号：ITU-T P.79-1999
标准名称： 电话机响度评定值的计算
英文名称：Calculation of Loudness Ratings for Telephone Sets - Series P: Telephone Transmission Quality, Telephone Installations, Local Line Networks - Measurements Related to Speech Loudness Study Group 12; COVERING NOTE: 05/25/2000; COVERING NOTE: 01/27/2005
标准类型：国外标准
标准状态：现行
中国标准分类号（CCS）：M30
国际标准分类号（ICS）：33.050.10
替代以下标准：ITU-T P.79-2007
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