3D sound effect

effect sound system

effect sound treatment system

sound effect {= SE}

sound effect system

effect of sound cavitation

Sound absorption effect analysis

sound insulation effect

sound leak effect

sound wave effect

sound-insulation effect

sound-proof effect

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