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this method for the measurement of battery duration can be applied under the condition of powered loudspeaker playback only
A primary battery or secondary battery can be used as a power source for the loudspeaker and its composite equipment
Provision is also made to allow the interface to carry data related to computer software
It is primarily intended for audio applications in professional recording
Assistive Listening Devices and Systems for Active Assisted Living - Part 1 Audio and Video this method for the measurementUS National Adoption of Assistive listening devices and systems for active assisted living Part 1: General IEC 63087 1: 2021 (ANSI CTA 6020) This is the US National Adoption of Assistive listening devices and systems for active assisted living Part 1: General IEC 63087 1: 2021. IEC 63087 1: 2021 specifies requirements, and the associated methods of measurement, for the electroacoustic performance of personal listening systems. This document specifies
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