The speed of sound is a term used to describe the speed of sound waves passing through an elastic medium. The speed varies with the medium employed (for example, sound waves move faster through water ...

THE sound bar, a single box that can replace a set of surround-sound speakers, can be a great gift idea for anyone who wants better sound out of a television but does not have the space or budget to ...

Introduction Have you ever listened to noises underwater? Sound travels differently in the water than it does in the air. To learn more, try making your own underwater noises—and listening carefully.

Yamaha introduced the YHT-S401 sound bar speaker system with subwoofer-integrated receiver (model SR-301). The uniquely-styled system provides expansive, virtual 7.1 surround sound from two compact, ...