sone_to_phon

sone_to_phon(sone)

Calculate Loudness level [phons] from Loudness [sones]

The code is based on BASIC program published in “Program for calculating loudness according to DIN 45631 (ISO 532-1:2017)”, E.Zwicker and H.Fastl, J.A.S.J (E) 12, 1 (1991).

Parameters:

• N (float) – Loudness [sones]

• Outputs

• -------

• LN (float) – Loudness level [phons]