Phon
The phon is a logarithmic unit of loudness level for tones and complex sounds. Loudness is measured in sones, a linear unit.
The phon is a logarithmic unit of loudness level for tones and complex sounds. Loudness is measured in sones, a linear unit.
The phon is a logarithmic unit of loudness level for tones and complex sounds. Loudness is measured in sones, a linear unit.
Source: Wikipedia "Phon" · CC BY-SA 4.0
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