The TRANSMISSION of acoustic energy through a medium via a SOUND WAVE. See: SOUND, SPEED OF SOUND. Compare: ACOUSTIC RADIATION. The levels of outdoor NOISE, whether they are intrusive or the normal ...

trumpet the sound from the trumpet comes from a vibrating column of air created by buzzing lips of the trumpeter A sound wave is a longitudinal wave. When an object vibrates it produces a ...

In recent experiments, the team demonstrated near-perfect transmission of sound waves at frequencies between 0.98 GHz and ...

Optical information is processed and correlated to acoustic waves. The sound waves have a much longer transmission time than the optical information stream. Therefore, they remain in the optical ...