O
P E R A T I O N
D K - A
U D I O
MSD100 U
SER
’
S
M
A N U A L
4 -5
The best example of a true stereo signal is from an
audience applauding during a live recording. This is
represented graphically on the oscilloscope as a perfect
circle or ball, as shown in Figure 4-3.
See the examples of phase meter and oscilloscope
displays under different signal conditions in Figure 4-3.
F
I G U R E
4 -3 . M S D 1 0 0 D
I S P L A Y S F O R
S
I G N A L
C
O N D I T I O N S
4 . 4 P
E A K P R O G R A M M E
M
E T E R
The peak programme meter (PPM) directly measures the
quasi-peak levels of complex electrical signals, such as
music and speech.
The PPM accomplishes this by: