
【国外标准】 IEEE Standard Method for Determining Objective Loudness Ratings of Telephone Connections
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2025-04-28
- IEEE 661-1979
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适用范围:
The procedures given in this standard may be used for determining the loudness rating of partial and complete telephone connections. For complete telephone connections, comprising overall and sidetone transmission paths, the procedures involve measurement of acoustic input and output pressures. For partial telephone connectiond comprising transmitting, receiving, or connection paths, the procedures involve measurement of acoustics pressures and electric voltages.
标准号:
IEEE 661-1979
标准名称:
IEEE Standard Method for Determining Objective Loudness Ratings of Telephone Connections
英文名称:
标准状态:
-
发布日期:
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实施日期:
出版语种:
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