Speaker Driver

A loudspeaker (or "speaker", or in the early days of radio "loud-speaker") is an electroacoustic transducer that produces sound in response to an electrical audio signal input. In other words, speakers convert electrical signals into audible signals. Non-electrical loudspeakers were developed as accessories to telephone systems, but electronic amplification by vacuum tube made loudspeakers more generally useful. The most popular speaker used today is the dynamic speaker. The dynamic speaker operates on the same basic principle as a dynamic microphone. When an alternating current (i.e.
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  • Apple Watch Opens New Doors in Local Search

    …, this is a watch that taps wrists. "Whenever you receive an alert or notification, or perform a function like turning the Digital Crown or pressing down on the display, you feel a tactile sensation that's recognizably different for each kind of interaction," the Apple Watch website says. "Combined with subtle audio cues from the specially engineered speaker…

    Lisa Lacy/ Search Engine Watchin SEO Google- 19 readers -
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