Mathematics/Field and energy quantities (Q256)
From CompetenceBase
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