Why 'more or less stopped using ISO'?

Started Feb 19, 2014 | Questions thread
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Iliah Borg Forum Pro • Posts: 19,574
Re: Maybe this will help.

The point is, what is the unit for Loudness (Sones (N) or Phons (L))?

Phons are not the units for loudness, they are for loudness level, and they are just units to compensate the perception dependency on frequency.

Neither are used in metrology.

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