Go through the chart at the link below. Scan the whole chart; some levels are described more than once. Normal conversation is about 60 decibels, and ordinary piano practice is between 60 and 70 decibels.
To calculate the number of decibels that power-level-'A' is greater than power-level-'B',-- Divide 'A' by 'B'-- Take the 'log' of the quotient-- Multiply the 'log' by 10 .If the result is negative, then 'A' is that many decibels lower than 'B'.
Decibels are a logarithmic way of expressing a magnitude, megahertz is a frequency. Specifically, 1 megahertz = 10^6 cycles/second There is no answer to the question.
Decibels
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An increase of 10 decibels represents a doubling of sound intensity. So, 10 decibels louder would sound noticeably louder, such as a car passing nearby compared to a quiet conversation.
There is a few generators that will produce less than 60 decibels. That is about the same decibels as background music. These are good to use if you live in an apartment or have very close neighbors.
A decibel is a measure of how loud a sound (any sound) is. 50 dB is about the sound level of gentle rainfall. Louder than a quiet room, softer than a quiet conversation. Not as loud as the dial tone on a telephone.
44 decibels is roughly equivalent to a quiet library or a quiet suburb at night. It is considered a quiet and peaceful sound level.
That depends how close you measure to the mouth speaker. The closer - the louder! The distance is very important if you measure with a sound pressure level meter. A conversation in 1 meter distance may have 60 decibels.
An average microwave produces around 60-70 decibels during operation. This is similar to the noise level of a normal conversation.
Decibels are really more a measure of sound level. 65 decibels would be about the level of normal conversation or laughter.
65; 85
About as loud as a normal conversation.
Help: Decibel Table - Comparison Chart - Table of Sound Levels and corresponding Sound Pressure and Sound Intensity - Units and Quantities: Scroll down to related links and look at "Table of Sound Levels - Sound Pressure and Sound Intensity ".
The sound level of a normal conversation is typically around 60-70 decibels.
40 decibels is similar to the noise level of a quiet library or a quiet rural area at nighttime. It is considered a low level of noise that is faint and barely noticeable to most people.