loudness level

基本解释

Gets and sets the base volume (loudness) level of the voice.
这个基地的体积大小）水平（声音。
blog.sina.com.cn
One major contributor to the perceived loudness of commercials is that much less variation in sound level occurs during a commercial.
能造成广告这种高音错觉的一个主要的高招是使广告中的音量变化极少。
A 5segment equal loudness level contour is proposed and an advanced compressor ratio algorithm is realized based on psychoacoustic parameters.
运用五段等响折线法，并结合心理声学构建了基于大规模音源的动态压缩比算法；
hkxb.buaa.edu.cn

Smart Volume - Automatically adjusts the loudness of a voice to maintain a consistent volume level.
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The Commercial Advertisement Loudness Mitigation act, (CALM) will require advertisers to keep the volume of their ads at the same level as the rest of the content on a station.
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