sound-flash survey

sound ranging (artillery sound ranging)

FA survey (field artillery survey)

stun grenade / flash grenade / flashbang / thunderflash / sound bomb

sound and flash battalion

sound and flash grenade

sound-flash grenade

flash to bang / flash-to-bang (time)

flash-ranging (location), flash-spotting

clicking sound

communications by sound

high-intensity sound

sonar (sound navigation and ranging)

sound communication

sound wave

sound-absorbent tile

artillery sound reconnaissance

supersonic speed (exceeds speed of sound / Mach 1)

sound damping

aerial sound ranging

air registration point (in sound ranging)

high-frequency sound waves

sound-proof compartment

background sound pressure level

overall sound pressure level

adjusted slope of sound pressure level

atmospheric sound absorption

change in slope of sound pressure level

slope of sound pressure level

aircraft sound proofing

average slope of sound pressure level

final background sound pressure level

heat insulation-sound proofing