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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.

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Printing Date:
2024-11-20
Publication History:
Abstract:
AES70 defines a scalable control-protocol architecture for professional media networks. AES70 addresses device control and monitoring only; it does not define standards for streaming media transport. However, the Open Control Architecture (OCA) is intended to cooperate with various media transport architectures.
File type and size:
Downloadable PDF (3.78 MB)
Cost:
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Printing Date:
2024-06-01
Publication History:
Pub. 2015; Rev. 2018; Rev. 2023
Abstract:
AES70 defines a scalable control-protocol architecture for professional media networks. AES70 addresses device control and monitoring only; it does not define standards for streaming media transport. However, the Open Control Architecture (OCA) is intended to cooperate with various media transport architectures.
File type and size:
Downloadable PDF (2.14 MB)
Cost:
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Printing Date:
2024-06-01
Publication History:
Pub 2015; Rev. 2018; Rev. 2023
Abstract:
AES70 defines a scalable control-protocol architecture for professional media networks. AES70 addresses device control and monitoring only; it does not define standards for streaming media transport. However, OCA is intended to cooperate with various media transport architectures.
File type and size:
Downloadable PDF (3.42 MB)
Cost:
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Printing Date:
2024-06-01
Publication History:
Pub. 2015; Rev. 2018; Rev. 2023
Abstract:
AES70 defines a scalable control-protocol architecture for professional media networks. AES70 addresses device control and monitoring only; it does not define standards for streaming media transport. However, the Open Control Architecture (OCA) is intended to cooperate with various media transport architectures.

AES70 is divided into a number of separate parts. This Part 1 describes the models and mechanisms of the AES70 Open Control Architecture. These models and mechanisms together form the AES70 Framework. This document should be read together with Part 2, Class Structure and Part 3, TCP/IP communications protocol.
File type and size:
Downloadable PDF (4.02 MB)
Cost:
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Printing Date:
2022-02-20
Publication History:
Published 2022
Abstract:
This standard details a procedure for measuring maximum linear sound levels of a loudspeaker system or driver using a test signal called M-Noise. In order to measure maximum linear sound levels meaningfully and repeatably, a signal is required whose RMS and peak levels as functions of frequency have been shown to be representative of program material. Various existing standards define noise-based test signals which, like M-Noise, have incorporated the knowledge that typical program material has a diminishing RMS level with increasing frequency, but M-Noise uniquely also features a relatively constant peak level as a function of frequency, so that the crest factor (peak level \96 RMS level) increases with frequency, which an analysis on a large variety of music and other content has revealed is an important additional characteristic of typical program material. The specified procedure determines a loudspeaker\92s maximum linear sound levels by incrementally increasing the Playback Level of M-Noise until a stop condition is met: either an unacceptable change in the transfer function\92s magnitude or an unacceptable change in the coherence of the transfer function.
File type and size:
Downloadable PDF (702.63 KB)
Cost:
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Printing Date:
2022-02-20
Publication History:
Published 2022
Abstract:
This document specifies recommended practices for recording audio intended for use in forensic speaker recognition analyses, focusing on doing so at a temporary, non-laboratory location by possibly a non-professional in the forensic sciences. It includes recommendations for the physical preparation of the location, selection of appropriate recording hardware and audio formats, and possible methods for interviewers to elicit the desired type and amount of speech from subjects. It does not cover the methods used to analyze the resulting recordings and does not deal with details related to the handling, transmission, storage, or preservation of the collected data but does include a checklist to aid in the process.
File type and size:
Downloadable PDF (1.17 MB)
Cost:
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Printing Date:
2021-09-25
Publication History:
Published 2021
Abstract:
AES67 has made low-latency, synchronized, and uncompressed audio delivery commonplace on local area networks (LANs). As the need to provide two-way interaction between multiple sites rises, there is a desire to extend AES67 solutions into Wide Area Networks (WAN) and datacenters. This report examines the requirements and challenges when AES67 is extended beyond LAN environments. After describing the operational environments and associated constraints in detail, this report will address timing, transport and data reliability in the context of WAN and cloud. The report shows that none of the discussed environments is associated with a specific single problem, but instead, there are a number of smaller technical factors that interact and need to be addressed. While this study indicates that bit-precise transmission, synchronization and timing alignment is reasonably achievable, very low latencies, use of multicast, and 100% reliable reception remain challenging or impossible. Field experience annexes included in this report correlate well with the theoretical expectations based on this study. Robustness of AES67 is confirmed by its success on WAN production facilities and long-distance deployments. It brings generally better audio quality, latency performance and routing flexibility, compared to point-to-point transport based on lossy compression.
File type and size:
Downloadable PDF (965.06 KB)
Cost:
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