Frequency Range of Different Sound Sources
110100100010 000
Frequency[Hz]
BA 7666-11, 31
Audible Range
110100100010 000
Frequency[Hz]
BA 7666-11, 32
Wavelength
Wavelength,λ[m]
Speed of sound, c = 344 m/s
BA 7666-11, 33
Wavelength and Frequency
cλ=fλλWavelength,λ[m]
20105210.20.10.051020501002005001 k2 k5 k10 kFrequency, f [Hz]
BA 7666-11, 34
Diffraction of Sound
b<< λb >> λbbExample :b = 0.1 m
λ = 0.344 m (≈ f = 1 kHz)
BA 7666-11, 35
Example:b = 1 m
λ = 0.344 m (≈ f = 1 kHz)
声学基本概念 - 图文
FrequencyRangeofDifferentSoundSources110100100010000Frequency[Hz]BA7666-11,31AudibleRange110100100010000Frequency[Hz]BA7666-11,32
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