User`s manual

Dolby
®
Media Meter 2 User’s Manual 21
Appendix A
Dolby Loudness Product Comparison
DolbyMediaMeter2comeswithbothreal‐timeandnon‐real‐timeapplications.Ifyou
haveusedeithertheDolbyLM100BroadcastLoudnessMeterortheDP600,thefollowing
informationwillassistyouinunderstandinghowtheDolbyMediaMeter2canbeused.
A.1 Measuring a Single Center Channel in a 5.1 Program
LM100
Inpostproduction,theLM100typicallymeasuresasingleCenterchannelfromaPCM
sourceaspartofaCenter/LFEAESpairfroma5.1‐channelprogram,selectingtheLeft
channelintheLM100setupmenu.AtypicalmethodofmeasuringaDolbyDigitalorDolby
EstreamistoselectonlytheCe
nterchannelintheLM100setupmenu.
Dolby Media Meter 2
DolbyMediaMeter2providesseveralmeasurementmethodscomparabletothatofthe
LM100:
•Whenmeasuringpremixedcontent(suchassoundtracksbeingencodedforDVDor
Blu‐rayDisc
™
)intheDolbyMediaMeter2RTAS
®
orAudioSuiteplug‐in,theplug‐in
canbeinsertedontheCenterchannelintheeditsectionofProTools
®
.
•Whenmeasuringnewcontentbeingmixedforbroadcast,theRTASplug‐incanbe
insertedontheoutputbus.(Inthiscase,soloingtheCenterchannelwouldmost
closelymimictheLM100method.)
•IntheDolbyMediaMeter2stand‐aloneapplication,theCenterchannelsourcefile
canbeselectedindividually.ThiscouldbeanexportedconsolidatedCe
nterchannel.
Table A-1 Loudness Product Comparisons
Dolby Media
Meter
(Stand Alone)
Dolby Media
Meter
(AudioSuite)
Dolby Media
Meter
(RTAS/VST)
LM100 DP600
Application Nonrealtime Nonrealtime Real‐time Real‐time Nonrealtime
Supported
Algorithms
ITU‐RBS.1770‐1
ITU‐RBS.1770‐2
Leq(A)
ITU‐RBS.1770‐1
ITU‐RBS.1770‐2
Leq(A)
ITU‐RBS.1770‐1
ITU‐RBS.1770‐2
Leq(A)
ITU‐RBS.1770‐1
ITU‐RBS.1770‐2
Leq(A)
ITU‐RBS.1770‐1
Leq(A)
Measurement
Method
Dialogue
Intelligenceor
EBUR128
Dialogue
I
ntelligenceor
EBUR128
Dialogue
Intelligenceor
EBUR128
Dialogue
Intelligenceor
EBUR128
Dialogue
IntelligenceorEBU
R128
PCM Monoto7.1 Monoto7.1 Monoto7.1 L,R,stereo Monoto5.1
DolbyDigital Monoto5.1 N/A N/A L,R,C,stereo,all Monoto5.1
DolbyDigitalPlus Monoto7.1 N/A N/A N/A Monoto7.1
DolbyTrueHD Monoto7.1 N/A N/A N/A N/A
DolbyE Mo
noto7.1 N/A N/A L,R,C,stereo,all Monoto7.1