Specifications
Audio Plug-Ins Guide362
Selecting Channels for Leq(A) Metering
SurroundScope
With SurroundScope, you can
select any combination of channels for Leq(A)
metering by clicking the channel buttons
around the Surround Display. Selected channels
are indicated in green.
PhaseScope
With PhaseScope, you can select ei-
ther or both channel for Leq(A) metering by
clicking the channel buttons in the corners of
the Lissajous display. Selected channels are in-
dicated in green.
Signal Tools Leq(A) Metering
Controls
Window
The Leq(A) window menu lets you
choose the length of time the signal is measured
before an average value is calculated. Settings
range from 1 second to 2 minutes.
When the Leq(A) meter is in INF (infinite) mode
it is constantly averaging the signal without a
floating averaging window.
Reset
The Reset button lets you manually reset
the start time of the Leq(A) measurement win-
dow.
Auto Reset
When enabled, causes the start time
of the Leq(A) measurement window to be auto-
matically reset whenever playback starts in
Pro Tools.
Hold on Stop
When enabled, causes the Leq(A)
measurement window timer to pause when play-
back stops, and resume when playback begins
again.
SignalTools Level Meters
SignalTools lets you choose the type of metering
and the style of peak hold used, and lets you ad-
just the reference mark for metering.
SignalTools Meter Types
Clicking the meter types button lets you choose
the type of metering you want to use. Each meter
type has a different metering scale and response.
Peak
(Default meter type) Uses the metering
scale in EQ III and Dynamics III plug-ins.
RMS
(Root Mean Square) was used in previous
versions of the Avid SurroundScope plug-in and
uses the same “true” RMS metering scale.
Selecting SurroundScope channels for Leq (A)
metering
Selecting PhaseScope channels for Leq(A) metering
In any of the Loop Transport modes, the
measurement start time is automatically re-
set each time playback goes back to the be-
ginning of the loop.
SignalTools level meter types button