Audio power and Equal-loudness contour

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between Audio power and Equal-loudness contour

Audio power vs. Equal-loudness contour

Audio power is the electrical power transferred from an audio amplifier to a loudspeaker, measured in watts. An equal-loudness contour is a measure of sound pressure (dB SPL), over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones.

Similarities between Audio power and Equal-loudness contour

Audio power and Equal-loudness contour have 9 things in common (in Unionpedia): Audio system measurements, Decibel, Deutsches Institut für Normung, Equal-loudness contour, Hertz, International Electrotechnical Commission, Loudness, Sound level meter, Total harmonic distortion.

Audio system measurements

Audio system measurements are made for several purposes.

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Decibel

The decibel (symbol: dB) is a unit of measurement used to express the ratio of one value of a physical property to another on a logarithmic scale.

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Deutsches Institut für Normung

Deutsches Institut für Normung e.V. (DIN; in English, the German Institute for Standardization) is the German national organization for standardization and is the German ISO member body.

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Equal-loudness contour

An equal-loudness contour is a measure of sound pressure (dB SPL), over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones.

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Hertz

The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.

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International Electrotechnical Commission

The International Electrotechnical Commission (IEC; in French: Commission électrotechnique internationale) is an international standards organization that prepares and publishes International Standards for all electrical, electronic and related technologies – collectively known as "electrotechnology".

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Loudness

In acoustics, loudness is the subjective perception of sound pressure.

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Sound level meter

A sound level meter is used for acoustic (sound that travels through air) measurements.

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Total harmonic distortion

The total harmonic distortion (THD) is a measurement of the harmonic distortion present in a signal and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency.

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The list above answers the following questions

What Audio power and Equal-loudness contour have in common
What are the similarities between Audio power and Equal-loudness contour

Audio power and Equal-loudness contour Comparison

Audio power has 64 relations, while Equal-loudness contour has 44. As they have in common 9, the Jaccard index is 8.33% = 9 / (64 + 44).

References

This article shows the relationship between Audio power and Equal-loudness contour. To access each article from which the information was extracted, please visit:

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