PHON

Phon

The phon is a unit of loudness level for pure tones. Its purpose is to compensate for the effect of frequency on the perceived loudness of tones. The phon was proposed in DIN 45631 and ISO 532 B by S. S. Stevens.

The above text is a snippet from Wikipedia: Phon
and as such is available under the Creative Commons Attribution/Share-Alike License.

phon

Noun

  1. A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured.


The above text is a snippet from Wiktionary: phon
and as such is available under the Creative Commons Attribution/Share-Alike License.

Need help with a clue?
Try your search in the crossword dictionary!