1. A speaker may be a term wont to describe the user WHO is giving vocal commands to a software system program.
2. A hardware device connected to a laptop's sound card that outputs sounds generated by the computer. within the image to the correct, is that the Altec Lansing VS2221 speakers with subwoofer and jibe what most laptop speakers appear as if these days.
When computers were originally free they'd on-board speakers that generated a series of various tones and beeps. As multimedia system and games became standard, higher quality computers speakers began to be free that needed extra power. as a result of laptop sound cards don't seem to be powerful enough to power a pleasant set of speakers today's speakers square measure self-powered, comparatively little in size, and contain magnetic shielding.
Speakers square measure rated in Frequency response, Total Harmonic Distortion, and Watts. The Frequency response is that the rate of measure of the highs and lows of the sounds the speaker produces, Total Harmonic Distortion (THD) is that the quantity of distortion created by amplifying the signal, and therefore the Watts is that the quantity of amplification on the market for the speakers.
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