User`s manual

Measurement Algorithm
Dolby
®
Media Meter 2 User’s Manual 17
4.1 Measurement Algorithm
ChooseLeq(A),ITURBS.17701,orITURBS.17702byclickingaradiobuttonatthetop
ofthesettingswindow.
4.2 Short-Term Window
Choosealengthforstandardsthatallowthisoption(threesecondsortenseconds).
4.3 Peak Measurement Type
Youcanchoosebetweenthedefaultpeakmeasurementtype,Sample Peak,andTrue Peak,
whichincludespeaksthatoccurinbetweensamples.
4.4 Level Meters
AlloftherealtimepluginsallowyoutoshowlevelmeterssimilartothoseintheDolby
MediaDecoderforeachchannelbeingmeasured.
4.5 Limiter
Alloftherealtimepluginsallowyoutoapplyapeaklimiter.UnlikemostDolbyMedia
Meter2features,thislimiteractsonyourtracks.Youcansetthisvaluefrom0to–51toaid
inpreventingyourtracksfromexceedingtheselectedpeakvalue,helpingyoutomeet
de
liveryspecifications.
4.6 Measurements Displayed
Inthestandaloneapplication,youcandisplayanyfourmeasurementsinanyorder.Inthe
plugins,youcandisplayuptoseveninanyorder.
4.7 Graphing
DolbyMediaMeter2providesaflexiblegraphingfeaturetoaidinvisualizationofthe
measurementsitmakes.
Rightclickinginthegraphwindowopensacontextualmenuwithcommandsto:
•Selectthemeasurementstobegraphed.
•Clearthegraphdisplay.
•Latchorunlatchthegraphdisplay.
Note: Determiningtruepeaksiscalculationintensive.YoumaynoticeincreasedCPU
resourceuseinrealtimeapplicationswhenyouchooseTrue Peak.