Mathematics/Field and energy quantities (Q256)
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Language | Label | Description | Also known as |
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English | Mathematics/Field and energy quantities | No description defined |
Statements
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The confusion about "10 log" versus "20 log" is as old as sound engineering, and certainly not helped by the fact that our loudness perception is proportional to sound pressure level rather than energy. A closer look at field and energy quantities can shed light on the mystery. (English)
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Power, root-power, and field quantities (English)
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Leistungsgröße (German)
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field (root-power) quantities (English)
sound pressure (English)
signal voltage (RMS) (English)
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energy and power quantities (English)
amplifier output power (English)
sound intensity (English)
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field quantities vs. energy quantities in logarithmic notation (English)
10 log for power levels (English)
20 log for voltage and sound pressure levels (English)
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