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TRANSCRIPT
dB A( ) +10 log10 N 27
dB A( ) N
N1
N2 N3
N4
N = N2 + 3 N3 +10 N1 + N4( )
TRANSCRIPT
dB A( ) +10 log10 N 27
dB A( ) N
N1
N2 N3
N4
N = N2 + 3 N3 +10 N1 + N4( )