sound emission prediction
a sound mind in a sound body
infra-audible sound (=infrasonic sound)
rate of sound and attenuation of sound
sound absorption-sound insulation-vibration isolation technology
sound intensity and sound intensity level
sound navigation and ranging or sound radar
sound pressure and pressure level of sound
emission characteristics of fluorine emission
single sideband emission {= SSB emission}
6 dB sound beam full wall thickness overlap area