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System 5-B Digital Audio Mixing System Operation Manual Channels and Strips
112
Pan Front (PanF): Controls the front channel levels only (i.e., in 5.1-channel format,
pan applies to L, C, R).Rotate (Rot8): Allows circular panning.
Width (Wdth): Available only on Multi Format Masters (see page 126). Controls the
front channel width.
Balance (Bal): Available only on Stereo Multi Format Masters (see page 103). Con-
trols the left/right channel balance, left-to-mono and right-to-mono function.
Surround Pan (Srnd): Controls the front-to-surround levels without changing the in-
dividual front or rear pan settings.
Pan Rear (PanR): Same as PanF for rear speakers.
Non-Boom Level (nonB): The level to all channels except the Boom channel. For ex-
ample, in 5.1-channel format, the Non-Boom level applies to L, C, R, Ls, Rs.
Boom Level (Boom): The level to only the Boom channel. For example, in 5.1-channel
format, the Boom level applies to only the subwoofer channel.
Focus Front (FocF): This parameter requires at least three speakers to function. Focus
ranges from 0–100%. At 100%, the signal has a pinpoint image: as the signal is panned,
it crossfades directly from one channel to the next, completely fading from the first be-
fore entering the third. As Focus decreases, the signal blurs across multiple channels:
the signal moves from channel one into two, and then begins crossfading into channel
three before channel one has completely faded out. This results in smoother, dynami-
cally panned objects across the sound field.
0% Focus eliminates the center channel from the pan range entirely. The pan control
still functions, although the signal crossfades directly from bus one to bus three. One
use of 0% Focus is to create phantom-centered images, where the signal is sourced
equally from the left and right front speakers instead of directly from the center speaker.
Divergence Front (DivF): This parameter requires at least three speakers to function.
Divergence ranges from 0–100%. At 100%, panning works as expected: Panned to
maximum left, there is no signal present in the right or center channels; at the center
position, no signal is present in the left or right channel, etc. As the Divergence is de-
creased, the degree of panning is decreased: The signal level increases in channels that
previously had no signal and the difference in signal level between channels decreases.
The purpose of Divergence is to allow someone listening on the extreme left or right to
hear a sound panned fully to the other side. For example, at 50% Divergence, a sound
panned fully left will retain approximately half its signal level in the right channel com-
pared to the left.
Divergence Surround (DivS): Same as Divergence Front.
Focus Surround (FocS): Same as Focus Front.