
Specification for audiovisual, video and television equipment and systems. Methods for specifying and measuring the performance characteristics of audio-learning systems
出版:British Standards Institution

专家解读视频
A survey of the functions available in audio-learning systems of various types and defines the methods of measurement and requirements for characteristics affecting the performance.
© British Standards Institution 2013
General notes:
This standard has been withdrawn as BS 5817-17:1990 is identical to IEC 60574-17:1989, which has been withdrawn by IEC/TC 100
IEC 60574-17 Ed. 1.0 - Identical