Search Results for: Telephone answering machine sound reproducing
. for biological transmission, see vector (molecular biology) . a transmission medium is something that can mediate the propagation of signals for the purposes of telecommunication . signals are typically imposed on a wave of some kind suitable for the chosen medium. for example, data can modulate sound
radiation can be transmitted through an optical medium , such as optical fiber , or through twisted pair wires, coaxial cable , or dielectric -slab waveguides . it may also pass through any physical material that is transparent to the specific wavelength , such as water , air , glass , or concrete . sound...
https://en.wikipedia.org/wiki/Transmission_medium