2. Fundamentals of acoustics
2.1 The sound
Acoustics involves wave phenomena and vibration mechanics. Sound is in fact a pressure wave resulting from the successive compression and decompression of the medium in which it propagates (figure 1 ). In the case of air, a vibrating source sets nearby gas molecules in motion, and this motion is transmitted to successive layers of air. Atmospheric pressure oscillates around 10 5...
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Fundamentals of acoustics
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