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