2010DIN 45631/A1:2010-03 Calculation of loudness level and loudness from the sound spectrum - Zwicker method - Amendment 1: Calculation of the loudness of time-variant sound; with CD-ROM
2010DIN 45631/A1:2010 Calculation of loudness level and loudness from the sound spectrum - Zwicker method - Amendment 1: Calculation of the loudness of time-variant sound; with CD-ROM