Sound level meter [learning pack]
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A sound level meter is used for acoustic (sound that travels through air) measurements. It is commonly a hand-held instrument with a microphone. The diaphragm of the microphone responds to changes in air pressure caused by sound waves. That is why the instrument is sometimes referred to as a Sound Pressure Level (SPL) Meter.
Main title:
Collation:
1 learning pack.
Audience:
pyl; pym; pyu.
Contents:
Contents: sound level meter, notes.
Access restrictions:
Normal copyright restrictions apply.
Local class:
534
Language:
English
Index terms:
Sound wavesSoundScience
BRN:
2832703