
【国外标准】 Performance characteristics of 15 kHz-type sound-programme circuits - Circuits for high quality monophonic and stereophonic transmissions
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2025-06-10
- ITU-T J.21
- 现行
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标准号:
ITU-T J.21
标准名称:
Performance characteristics of 15 kHz-type sound-programme circuits - Circuits for high quality monophonic and stereophonic transmissions
英文名称:
标准状态:
现行-
发布日期:
2022-08-01 -
实施日期:
出版语种:
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