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

sound-on-sound

h sound

з sound

16-bit sound card

3D interactive sound

3D sound

3D sound effect

3D sound localization

6 dB sound beam full wall thickness overlap area

8-bit sound card

8-hour continuous equivalent sound level

8-hour equivalent sound level