Dolby Laboratories 737 Manuel d'utilisateur

Dolby Model 737 Soundtrack Loudness Meter – Leq(m) Users’ ManualIssue 3 Part No. 91533MAIN

Model 737 Soundtrack Loudness Meter - Leq(m) Operation and Features2-32.2 Back Panel ConnectorsThe back panel has six audio input connectors (shown i

Model 737 Soundtrack Loudness Meter - Leq(m) Operation and Features2-42.2.2 Mon Out Figure 2-5 Mon and DC Out, and power/control connectorMon Out is

Model 737 Soundtrack Loudness Meter - Leq(m) Operation and Features2-52.2.4 Power and ControlThe 8-pin power and control connector uses the following

Model 737 Soundtrack Loudness Meter - Leq(m) Operation and Features2-62.3.2 Connecting to a Dolby Cinema ProcessorThe method for connecting a Dolby c

Model 737 Soundtrack Loudness Meter - Leq(m) Operation and Features2-72.3.4 Connecting to Non-Dolby Digital Adapters With the digital adapter connect

Model 737 Soundtrack Loudness Meter - Leq(m) Operation and Features2-8Notes:The null circuit has two points of transition (at 82 and 85), so the + an

Model 737 Soundtrack Loudness Meter - Leq(m) Operation and Features2-92.4 Mains PowerThe Model 737 uses a mains transformer that converts incoming AC

Model 737 Soundtrack Loudness Meter - Leq(m) Operation and Features2-102.6 Block diagramFigure 2-6 Model 737 block diagramThe six input channels each

Model 737 Soundtrack Loudness Meter - Leq(m) Operation and Features2-11The selection switches are followed by five ideal rectifiers and squaring circ

Model 737 Soundtrack Loudness Meter - Leq(m)3-1Chapter 3Cat. No. 448B Input Adapter Board3.1 IntroductionThe Cat. No. 448B is an input adapter board t

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Model 737 Soundtrack Loudness Meter - Leq(m) Cat. No. 448B Input Adapter Board3-23.3 Component and Connector LayoutFigure 3-1 Cat. No. 448B Interface

Model 737 Soundtrack Loudness Meter - Leq(m) Cat. No. 448B Input Adapter Board3-3Table 3-2 Connecting the Cat. No. 448B to the CP65 and CP55 Table 3

Model 737 Soundtrack Loudness Meter - Leq(m) Cat. No. 448B Input Adapter Board3-43.5 Dubbing studioDubbing Studio set-ups may vary depending upon loc

Model 737 Soundtrack Loudness Meter - Leq(m) Cat. No. 448B Input Adapter Board3-5Follow these steps to install the devices used in this example:1. Is

Model 737 Soundtrack Loudness Meter - Leq(m) Cat. No. 448B Input Adapter Board3-63.5.1 Alignment1. Set the DS4-E into Discrete mode (one green LED).2

Model 737 Soundtrack Loudness Meter - Leq(m) Cat. No. 448B Input Adapter Board3-7Figure 3-4 Cat. No. 448B Interface Adapter SchematicMAIN

Model 737 Soundtrack Loudness Meter - Leq(m)4-1Chapter 4SpecificationsTemperature and HumidityOperating 10o C to 35o C, natural convection coolingNon

Model 737 Soundtrack Loudness Meter - Leq(m)A-1Appendix ABackgroundThis Appendix is an edited version of a paper published in the January 1998 SMPTE J

Model 737 Soundtrack Loudness Meter - Leq(m) BackgroundA-2This system worked quite well for many years. Dolby Stereo (A-type encoded) films had limit

Model 737 Soundtrack Loudness Meter - Leq(m) BackgroundA-3In practice, the following undesirable symptoms have arisen: • There are an increasing numb

iiiTable of ContentsList of Figures...

Model 737 Soundtrack Loudness Meter - Leq(m) BackgroundA-4None of the existing criteria for loudness can be directly applied to a soundtrack. Fundame

Model 737 Soundtrack Loudness Meter - Leq(m) BackgroundA-5A.3.1 Alternative Measurement Indices As might be expected, the samples yielded different l

Model 737 Soundtrack Loudness Meter - Leq(m) BackgroundA-6Figure A-3 CCIR-weighting (Leq(m)) shows influence of 2–6 kHz region.A.4 Analysis of the D

Model 737 Soundtrack Loudness Meter - Leq(m) BackgroundA-7Figure A-4 Comparison of weighted and un-weighted Leq. Figure A-5 compares the maximum pea

Model 737 Soundtrack Loudness Meter - Leq(m) BackgroundA-8Figure A-5 Comparison of Leq(m) and peak levelsFigure A-6 Peak levels in reel 4 of Shine

Model 737 Soundtrack Loudness Meter - Leq(m) BackgroundA-9Next, examine Figure A-5 again, then Figure A-6, and compare the peak levels in reel 4 of S

ivChapter 3 Cat. No. 448B Input Adapter Board... 3-13.1 Introduction...

vList of Figures2-1 Model 737 front panel ... 2-12-

viList of Tables2-1 XLR input wiring convention for channels 1-6 ... 2-32-2 Mon Out wiring

Model 737 Soundtrack Loudness Meter - Leq(m) 1-1Chapter 1IntroductionLeq(m) is a term used by Dolby Laboratories to describe the level of annoyance in

Model 737 Soundtrack Loudness Meter - Leq(m)2-1Chapter 2Operation and FeaturesThe Model 737 Soundtrack Loudness Meter – Leq(m) is a simple 1U, rack-mo

Model 737 Soundtrack Loudness Meter - Leq(m) Operation and Features2-22.1.1 6/4 – 2 Channel SwitchLocated to the left of the input trimpots (see Figu