IEC 60574-17-1989 标准详情
- 标准号:IEC 60574-17-1989
- 中文标题:视听、视频和电视设备与系统.第17部分:音频学习系统
- 英文标题:audiovisual, video and television equipment and systems. part 17: audio-learning systems
- 标准类别:国际电工委员会标准
- 发布日期:1989-03-15
Applies to audio-learning systems with cassette recorders, usually applied for language training. Gives a survey of the functions which may be provided in audio-learning systems of various types. Defines methods of measurement and requirements for ch
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