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The following standards and information documents are published by the Audio Engineering Society. The latest printing will include all amendments and corrections and will be available within a week of its date.

PLEASE NOTE: These are copyrighted documents and are for the use of the original purchaser only. They must not be printed or circulated without the written permission of the AES Standards Committee. Any other use of AES standards information obtained from this website, including republishing or selling, is expressly forbidden.

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AES-4id-2001 (s2008): AES information document for room acoustics and sound reinforcement systems - Characterization and measurement of surface scattering uniformity
Printing Date:
2015-09-22
Publication History:
Pub. 2001; Reaffirmed 2007; Stabilized 2008-09-22;
Abstract:
This document provides guidelines for characterizing the uniformity of scattering produced by surfaces from measurements or predictions of scattered polar responses. In this context, the surface scattering is quantified in terms of a single diffusion coefficient. The diffusion coefficient is a measure of quality designed to be used by producers and users of surfaces that, either deliberately or accidentally, diffuse sound. It is also intended for use when needed by developers and users of geometric room acoustic models. The diffusion coefficient is not intended, however, to be blindly used as an input to current diffusion algorithms in geometric room acoustic models. The diffusion coefficient characterizes the sound reflected from a surface in terms of the uniformity of the scattered polar distribution. The information document details a free-field characterization method. (20 pages)
File type and size:
Downloadable PDF (912.06 KB)
Cost:
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AES-3id-2001 (w2010): AES information document for Digital audio engineering - Transmission of AES3 formatted data by unbalanced coaxial cable (WITHDRAWN)
Printing Date:
2010-07-09
Publication History:
Pub. 1995;
Rev. 2001;
Reaffirmed 2006; WITHDRAWN 2010
Abstract:
This document contains information regarding cables, cable equalizers, and receiver circuits including adaptors to or from standard AES3 equipment and cabling where it is required to transmit AES3 formatted signals over long distances (up to 1000 m), or in a video installation using analog video distribution equipment. It is not intended to be an alternative electrical specification to AES3, which is based on balanced, shielded, twisted-pair cable transmission over distances of up to 100 m. The information is based on studies and laboratory experiments discussed in a series of technical reports that have been partly summarized and included. (23 pages)
NOTE This document was WITHDRAWN on 2010-07-09. The reason for this withdrawal is that the content of AES-3id has been superseded by AES3-4-2009, Annex D (Normative) Coaxial transmission, and by AES-2id Annex C Coaxial cable adapters and equalizer characterization, and so this Information Document has become redundant.
File type and size:
Downloadable PDF (654.98 KB)
Cost:
$0 AES Member   $50 Non-Member
Preview (296.81 KB)

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