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The decibel is the common measure of sound intensity You can either use logarithmic calculators to add together two decibel values or you can ... ? 10 log (10x inverse log dBvalue/10 + 10x inverse log dBvalue/10) =
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Why do you multiply or add logarithms when working with frequencies?
I have seen logarithms used with decibels, which are used to measure power or intensity; not with frequencies.
What is the symbol for decibels?
The usual symbol for decibels is dB.
What is a machine that measures decibels?
An SPLOIUYTR machine measures decibels.
What unit are sound waves measured in?
•Sound can be measured in many ways such as decibels. There is a special machine which you can by that measures how many decibels something makes. A pin makes 10 decibels where as a loud persons or a stereo can make up to 80 decibels. Volume is measured in decibels. So Frequency is measured in hertz
Fractions to decibels?
no
Why is the abbreviation for decibels dB?
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
Why do you multiply or add logarithms when working with frequencies?
I have seen logarithms used with decibels, which are used to measure power or intensity; not with frequencies.
What do decibels change in?
do decibels change to wavelength
How many decibels is a whisper?
20 decibels
What is the abbreviation used for decibels?
The abbreviation used for decibels is dB.
How many decibels is a pigs squeal?
207 decibels.
Decibels are a measuremeant of what?
Decibels are a measurement of the loudness of sound.
What is the symbol for decibels?
The usual symbol for decibels is dB.
How many decibels are in microwave s?
Microwave ovens typically operate at around 60-70 decibels while heating food. When you add food to the microwave, there may be a slight increase in noise level, but it usually remains within the same range.
How many decibels does a cough produce?
70-100 decibels
Which is sound measured by watts meters amps or decibels?
Decibels
