Difference between revisions of "Mathematics/Field and energy quantities (Q256)"
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(Removed claim: Instance of (P1): item to be reused (Q465)) | (Changed claim: knowledge detail (EN) (P35): energy and power quantities) | ||
| (22 intermediate revisions by the same user not shown) | |||
| label / en | label / en | ||
| - | + | Mathematics/Field and energy quantities | |
| label / de | label / de | ||
| + | Mathematik/Feld- und Energiegrößen | ||
| Property / Instance of | |||
| + | |||
| Property / Instance of: knowledge unit / rank | |||
| + | Normal rank | ||
| Property / Knowledge sub field | |||
| + | |||
| Property / Knowledge sub field: Mathematics - General / rank | |||
| + | Normal rank | ||
| Property / unique identifier | |||
| + | 30 | ||
| Property / unique identifier: 30 / rank | |||
| + | Normal rank | ||
| Property / context | |||
| + | 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) | ||
| Property / context: 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) / rank | |||
| + | Normal rank | ||
| Property / learning materials | |||
| + | Power, root-power, and field quantities (English) | ||
| Property / learning materials: Power, root-power, and field quantities (English) / rank | |||
| + | Normal rank | ||
| Property / learning materials: Power, root-power, and field quantities (English) / qualifier | |||
| + | |||
| Property / learning materials | |||
| + | Leistungsgröße (German) | ||
| Property / learning materials: Leistungsgröße (German) / rank | |||
| + | Normal rank | ||
| Property / learning materials: Leistungsgröße (German) / qualifier | |||
| + | |||
| Property / knowledge detail (EN) | |||
| + | field (root-power) quantities (English) | ||
| Property / knowledge detail (EN): field (root-power) quantities (English) / rank | |||
| + | Normal rank | ||
| Property / knowledge detail (EN): field (root-power) quantities (English) / qualifier | |||
| + | |||
| Property / knowledge detail (EN): field (root-power) quantities (English) / qualifier | |||
| + | knowledge content: sound pressure (English) | ||
| Property / knowledge detail (EN): field (root-power) quantities (English) / qualifier | |||
| + | knowledge content: signal voltage (RMS) (English) | ||
| Property / knowledge detail (EN) | |||
| + | energy and power quantities (English) | ||
| Property / knowledge detail (EN): energy and power quantities (English) / rank | |||
| + | Normal rank | ||
| Property / knowledge detail (EN): energy and power quantities (English) / qualifier | |||
| + | |||
| Property / knowledge detail (EN): energy and power quantities (English) / qualifier | |||
| + | knowledge content: amplifier output power (English) | ||
| Property / knowledge detail (EN): energy and power quantities (English) / qualifier | |||
| + | knowledge content: sound intensity (English) | ||
| Property / knowledge detail (EN) | |||
| + | field quantities vs. energy quantities in logarithmic notation (English) | ||
| Property / knowledge detail (EN): field quantities vs. energy quantities in logarithmic notation (English) / rank | |||
| + | Normal rank | ||
| Property / knowledge detail (EN): field quantities vs. energy quantities in logarithmic notation (English) / qualifier | |||
| + | |||
| Property / knowledge detail (EN): field quantities vs. energy quantities in logarithmic notation (English) / qualifier | |||
| + | knowledge content: 10 log for power levels (English) | ||
| Property / knowledge detail (EN): field quantities vs. energy quantities in logarithmic notation (English) / qualifier | |||
| + | knowledge content: 20 log for voltage and sound pressure levels (English) | ||
Latest revision as of 19:17, 29 July 2024
No description defined
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Mathematics/Field and energy quantities | No description defined |
Statements
30
0 references
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)
0 references
Power, root-power, and field quantities (English)
0 references
Leistungsgröße (German)
0 references
field (root-power) quantities (English)
sound pressure (English)
signal voltage (RMS) (English)
0 references
energy and power quantities (English)
amplifier output power (English)
sound intensity (English)
0 references
field quantities vs. energy quantities in logarithmic notation (English)
10 log for power levels (English)
20 log for voltage and sound pressure levels (English)
0 references