Abstract
This paper describes the audio description studio signal which comprises a mono audio signal and a data stream containing fade and pan information. The paper is the definitive specification of the audio description studio signal and is primarily intended for those implementing systems that use this signal. The paper brings together all the information necessary to deploy the audio description studio signal in the broadcasting environment.
The audio description studio signal wads first explained in the IBC 2000 paper entitled "Access Services for Digital Television: Matching the Means to the Requirement for Audio Description and Signing".
For additional information on audio description in general see Βι¶ΉΤΌΕΔ Research & Development White Paper WHP051.
White Paper copyright
Β© Βι¶ΉΤΌΕΔ. All rights reserved. Except as provided below, no part of a White Paper may be reproduced in any material form (including photocopying or storing it in any medium by electronic means) without the prior written permission of Βι¶ΉΤΌΕΔ Research except in accordance with the provisions of the (UK) Copyright, Designs and Patents Act 1988.
The Βι¶ΉΤΌΕΔ grants permission to individuals and organisations to make copies of any White Paper as a complete document (including the copyright notice) for their own internal use. No copies may be published, distributed or made available to third parties whether by paper, electronic or other means without the Βι¶ΉΤΌΕΔ's prior written permission.