децибел( dB)

децибел( dB)

is a unit of measurement that is used to indicate the relative amplitude of a sound or the ratio of the signal level such as sound pressure. Sound levels in decibels are calculated on a logarithmic scale.

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децибел (dB)

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The standard unit used to express the ratio of two power levels. It is used in communications to express either a gain or loss in power between the input and output devices.

децибел (dB)

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A logarithmic scale applied to any parameter, including for measuring sound level.

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Unit of sound level, if P1 & P2 are two amounts of power, the first is said to be n decibels greater, where n = 10 log10 (P1/P2)

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Unit for measuring sound intensity.

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