With c = 344 m/sec at 3 kHz the wavelength is about 11 cm. If a part of the sound travels 5.5 cm more from speaker to microphone it would add out of phase to the direct sound, leading to...
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With c = 344 m/sec at 3 kHz the wavelength is about 11 cm. If a part of the sound travels 5.5 cm more from speaker to microphone it would add out of phase to the direct sound, leading to...