Sound & Acoustics
Doppler Shift
compute a Doppler shift
Doppler shift 300Hz, 75mph
Subjective Acoustics
compute perceived loudness
perceived loudness 110 Hz, 60 dB
compute source loudness
source loudness 11 kHz, 25 phon
Sound Absorption
find the absorption coefficient of sea water
sound absorption in sea water
what is the absorption coefficient of sound in the atlantic ocean?
determine the effect of distance on sound pressure levels in moist air
decibel levels in moist air
Helmholtz Resonator Frequency
determine resonant frequency of a cavity
frequency of a helmholtz resonant cavity with a 4 inch neck
Threshold Hearing Distance in Moist Air
find the maximum distance for hearing a sound
furthest distance you can hear 100 dB
hearing threshold at 80 degrees and 80% humidity
generate sound with a specified waveform
play 1.5kHz sawtooth
specify a waveform as a mathematical function