Web Results

## Decibel

en.wikipedia.org/wiki/Decibel

An example scale showing power ratios x and amplitude ratios √x and dB equivalents 10 log10 x. It is easier to grasp and compare 2- or 3-digit numbers than to compare up to 10 digits. The deci...

## Decibel (Loudness) Comparison Chart - Galen Carol Audio

www.gcaudio.com/resources/howtos/loudness.html

Decibel (Loudness) Comparison Chart. Here are some interesting numbers, collected from a variety of sources, that help one to understand the volume levels of ...

## What is a decibel, and how is it measured? | HowStuffWorks

science.howstuffworks.com/question124.htm

The decibel scale measures sound based on human hearing, which makes it one of the most unusual scientific measurements.

## Decibels - HyperPhysics

hyperphysics.phy-astr.gsu.edu/hbase/sound/db.html

The decibel scale is a reflection of the logarithmic response of the human ear to ... The sound intensity in decibels above the standard threshold of hearing is ...

## The Decibel Scale: What Is a Decibel (dB)? Noise and Sound Units

www.noisehelp.com/decibel-scale.html

A readable explanation of the decibel scale (dB scale), including dBA and dBC. Also phons and sones, noise units for measuring loudness.

## acoustics - Why is the decibel scale logarithmic? - Physics Stack ...

physics.stackexchange.com/questions/6588/why-is-the-decibel-scale-logarithmic

Mar 10, 2011 ... Logarithmic scales--whether for audio intensities, Earthquake energies, ... Therefore, the decibel scale is not just useful for calculating 3 dB ...

## Dangerous Decibels » How Loud is Too Loud?

dangerousdecibels.org/education/information-center/decibel-exposure-time-guidelines/

Decibel Exposure Time Guidelines. Exposure Time Guidelines. Accepted standards for recommended permissible exposure time for continuous time weighted ...

## The Decibel Scale for Sound Intensity and Pressure Robert F

www.cs.indiana.edu/~port/teach/641/decibel_scale.html

The Decibel Scale for Sound Intensity and Pressure Robert F. Port. Intensity Power is a measure of work per unit of time, and is measured in watts. For example ...

## Understanding dB - JimPrice.Com

www.jimprice.com/prosound/db.htm

Note that this is a measurement of power, not a measurement of voltage. dbFS - relative to digital full-scale. dB SPL - A measure of sound pressure level.

## How decibel sound level meters work - Explain that Stuff

www.explainthatstuff.com/soundlevelmeters.html

Jun 4, 2015 ... A Quest sound pressure level meter (decibel meter). ... You have to think about the decibel scale very carefully, because it's a logarithmic scale ...

### dB: What is a decibel? - Physclips.

www.animations.physics.unsw.edu.au

graph of dB scale. Definition and examples; Sound files to show the size of a decibel; Standard reference levels ("absolute" sound level); Logarithmic response, ...