a device for measuring the power of a complex electrical signal corresponding to a sound pattern, so as to indicate the volume of the sound that is…
| 单词 | θ76799 |
| 释义 | the world > matter > physics > science of sound > [noun] > instrument for measuring volume (4) volume indicator1923 a device for measuring the power of a complex electrical signal corresponding to a sound pattern, so as to indicate the volume of the sound that is… VU meter1940 a unit in which some types of volume indicator are calibrated, a sine wave with a power of 1 mW being assigned the reference value of 0 VU (see… Subcategories:— unit of calibration (2) |
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