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Decibels (dB) mean a logarithmic unit of measurement that expresses the magnitude of a physical quantity relative to a specified or implied reference level. Since it expresses a ratio of two quantities with the same unit, it is a dimensionless unit. Decibel is Decibel!

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What is the different between positive and negative decibel?

Negative decibels mean damping (loss) and positive decibels mean amplification (gain).


What is sound mesured in?

Sound is measured in units called decibels (dB). Decibels quantify the intensity or loudness of sound and are used to compare different levels of sound from quiet to loud.


Conversion of decibel into frequency?

Decibels (dB) and frequency are different units of measurement that measure different things. Decibels measure the intensity or level of a sound or signal, while frequency measures the number of cycles of a wave that occur in a second. There is no direct conversion of decibels into frequency because they measure different aspects of a signal.


Sound is measured in what types of unit?

Sound is measured in decibels, which are commonly shortened to "dBs".


Why is the abbreviation for decibels dB?

DeciBels


What measure is used for sound and noise?

The most common measure used for sound and noise is decibels (dB). Decibels measure the intensity or loudness of a sound, with different levels corresponding to different sounds and their impact on human hearing.


What is the volume level measured in decibels of a sound that registers at 55 decibels?

The volume level of a sound that registers at 55 decibels is 55 decibels.


Does voltage current or power affect volume in a speaker?

Power (Watts)/ Decibels (if the speaker is efficient) 2 Watts = 93 decibels 4 Watts = 96 decibels 8 Watts = 99 decibels 16 Watts = 102 decibels 32 Watts = 105 decibels 64 Watts = 108 decibels 128 Watts = 111 decibels 256 Watts = 114 decibels 512 Watts= 117 decibels 1024 Watts = 120 decibels Some Volumes to Compare 10 decibels = normal human breathing 60 decibels = normal human conversation 110 decibels = power saw, car horn, shouting in ear, 120 decibels = jet aircraft close by, emergency vehicle siren, rock concert


How many decibels is a whisper?

20 decibels


What do decibels change in?

do decibels change to wavelength


What is the abbreviation used for decibels?

The abbrevation used for decibels is dB.


What is the symbol for decibels?

The usual symbol for decibels is dB.