decibel

decibel

One-tenth of a Bel. It is a relative measure of signal or sound intensity or “volume.” It expresses the ratio of one intensity to another. One dB is about the smallest change in sound volume that the human ear can detect. (Can also express voltage and power ratios logarithmically.) Used to define the ratio of two powers, voltages, or currents. See the definitions of dB, dBm, and dBw.

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Industry/Domain: Entertainment
Category: Video
Company: Tektronix
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