CONTENTS

Policy on Intellectual Property Right (IPR)
 1     Definitions
 2     Introduction
 3     Loudness considerations
 4     Operating in the digital domain
 5     Use of audio meters
        5.1     VU meters
        5.2     Peak meters
        5.3     Loudness meters
 6     Harmonization of audio alignment levels for digital programme exchange – Adoption of SMPTE RP155
 7     Peak audio level
 8     The studio environment
 9     Application of volume compression in post-production following the final mix of a television commercial soundtrack
10     Loudness range calculation
       10.1     Loudness range
       10.2     Example algorithm overview
       10.3     Example algorithm definition
       10.4     MATLAB implementation of example loudness range algorithm
11     Ingest of soundtracks into the television broadcasting chain
12     Tests performed at CBS
13     Effect of channel format on predicted programme loudness
       13.1 Introduction
       13.2 A survey of audio loudness in multichannel television programmes
       13.3 Objectives of the survey
       13.4 Metering
       13.5 Results
       13.6 Abnormal usage of the LFE channel
       13.7 Conclusions
LFE contribution histogram
14     References