The ïïü-T (Telecommunication Standardization Sector) is a permanent organ of the International Telecommunication Union (ITü). The ITü-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view t
ITU-T P.76-1988 history
1988ITU-T P.76-1988 DETERMINATION OF LOUDNESS RATINGS; FUNDAMENTAL PRINCIPLES