World Audio Level Reference PDF [PDF]

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World Audio Levels and Common Meter Scales Volts

IEC IIa (BBC)

IEC IIb

DIN (RTW)

VU

+12 +11 +10 +9 +8 +7 +6 +5 +4 +3 +2 +1 test -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 -21 -22 -23 -24

7

6

5

4

3

2

1

+12 +11 +10 +9 +8 +7 +6 +5 +4 +3 +2 +1 test -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12

+5 +4 +3 +2 +1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 -21 -22 -23 -24 -25 -26 -27 -28 -29 -30

+3 +2 +1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20

EBU R68

France

24dBu 23dBu 22dBu 21dBu 20dBu 19dBu 18dBu 17dBu 16dBu 15dBu 14dBu 13dBu 12dBu 11dBu 10dBu 9dBu 8dBu 7dBu 6dBu 5dBu 4dBu 3dBu 2dBu 1dBu 0dBu -1dBu -2dBu -3dBu -4dBu -5dBu -6dBu -7dBu -8dBu -9dBu -10dBu -11dBu -12dBu -13dBu -14dBu -15dBu -16dBu -17dBu -18dBu -19dBu -20dBu -21dBu -22dBu -23dBu -24dBu

IEC I Nordic

Standard

12.277 V 10.941 V 9.752 V 8.691 V 7.746 V 6.904 V 6.153 V 5.484 V 4.887 V 4.356 V 3.882 V 3.460 V 3.084 V 2.748 V 2.449 V 2.183 V 1.946 V 1.734 V 1.546 V 1.377 V 1.228 V 1.094 V 0.975 V 0.869 V 0.775 V 0.690 V 0.615 V 0.548 V 0.489 V 0.436 V 0.388 V 0.346 V 0.308 V 0.275 V 0.245 V 0.218 V 0.195 V 0.173 V 0.155 V 0.138 V 0.123 V 0.109 V 97.5 mV 86.9 mV 77.5 mV 69.0 mV 61.5 mV 54.8 mV 48.9 mV

dBu

+3 +2 +1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20

The Highlight indicates standard line up level used with each scale DIN (German) systems also use "RTW 0" or "-9dBfs as a line up level which is referred to as 100% EBU "R68" is more widely known as "BBC Spec" and is common to the UK and some EU countries SMPTE "RP155" is in common usage in Nth America , Oceania and Asia

0 dBfs -1 dBfs -2 dBfs -3 dBfs -4 dBfs -5 dBfs -6 dBfs -7 dBfs -8 dBfs -9 dBfs -10 dBfs -11 dBfs -12 dBfs -13 dBfs -14 dBfs -15 dBfs -16 dBfs -17 dBfs -18 dBfs -19 dBfs -20 dBfs -21 dBfs -22 dBfs -23 dBfs -24 dBfs -25 dBfs -26 dBfs -27 dBfs -28 dBfs -29 dBfs -30 dBfs -31 dBfs -32 dBfs -33 dBfs -34 dBfs -35 dBfs -36 dBfs -37 dBfs -38 dBfs -39 dBfs -40 dBfs -41 dBfs -42 dBfs

SMPTE RP155 0 dBfs -1 dBfs -2 dBfs -3 dBfs -4 dBfs -5 dBfs -6 dBfs -7 dBfs -8 dBfs -9 dBfs -10 dBfs -11 dBfs -12 dBfs -13 dBfs -14 dBfs -15 dBfs -16 dBfs -17 dBfs -18 dBfs -19 dBfs -20 dBfs -21 dBfs -22 dBfs -23 dBfs -24 dBfs -25 dBfs -26 dBfs -27 dBfs -28 dBfs -29 dBfs -30 dBfs -31 dBfs -32 dBfs -33 dBfs -34 dBfs -35 dBfs -36 dBfs -37 dBfs -38 dBfs -39 dBfs -40 dBfs -41 dBfs -42 dBfs -43 dBfs -44 dBfs -45 dBfs -46 dBfs -47 dBfs -48 dBfs

DIN (German)

0 dBfs -1 dBfs -2 dBfs -3 dBfs -4 dBfs -5 dBfs -6 dBfs -7 dBfs -8 dBfs -9 dBfs -10 dBfs -11 dBfs -12 dBfs -13 dBfs -14 dBfs -15 dBfs -16 dBfs -17 dBfs -18 dBfs -19 dBfs -20 dBfs -21 dBfs -22 dBfs -23 dBfs -24 dBfs -25 dBfs -26 dBfs -27 dBfs -28 dBfs -29 dBfs -30 dBfs -31 dBfs -32 dBfs -33 dBfs -34 dBfs -35 dBfs -36 dBfs -37 dBfs -38 dBfs -39 dBfs