AES Standards, new projects

[page updated 2014-01-29]

The following projects have been approved by subcommittees of the AESSC and assigned to Working Groups as shown. If you have an interest in helping to develop these standards projects, please go to the AES Standards Web site at www.aes.org/standards and click on "Standards Development" to learn more. If you have information on other standards, or standards projects, with similar scopes to these projects, please contact:

the AES Standards secretariat.

Updates and revisions to project details will be shown in the status of AESSC projects.

AES-X214, XML Implementation of ADL
Initiated on 2014-01-29 by Subcommittee SC-07, and assigned to Working Group
SC-07-01

Scope:
to create a set of XML elements and a schema that fully represents AES31-3 ADL documents; and to provide an XSLT style sheet for reformatting the XML document in plain-text EDML format.

AES-X224, Metadata integrity in audio files
Initiated on 2013-11-04 by Subcommittee SC-07, and assigned to Working Group
SC-07-01

Scope:
to create a guide for manufacturers of audio hardware, software and computer platforms describing best practices for the management of metadata embedded in audio files.

AES-X222, New audio data connector
Initiated on 2013-10-28 by Subcommittee SC-05, and assigned to Working Group
SC-05-02

Scope:
To specify basic dimensions and application details for two- and four-contact circular connectors including a circumferential shield, used for balanced interconnections of sound system components for professional audio, commercial, recording, broadcast and similar applications, carrying either analog or digital signals.

AES-X217, Audio Analog-to-Digital Converter Test Method and Performance Specification for Archiving and Preservation Applications
Initiated on 2013-08-20 by Subcommittee SC-02, and assigned to Working Group
SC-02-01

Scope:
To specify sets of measurement methods and performance criteria to characterize the performance of audio analog-to-digital converters (ADCs) used in archiving and preservation workflows. This standard considers the production of files using the highest-quality ADC devices.

AES-X219 Method of measurement for frequency and impulse response of sound systems in auditoria
Initiated on 2013-03-04 by Subcommittee SC-04, and assigned to Working Group
SC-04-08

Scope:
to specify a method of measurement for frequency and impulse response of sound systems in auditoria.

AES-X218 Measurement and calibration of sound systems in rooms
Initiated on 2013-03-04 by Subcommittee SC-04, and assigned to Working Group
SC-04-08

Scope:
to document relevant parameters affecting the audience experience of a sound system in a generalized room, and identify appropriate objective methods of measurements to quantify them. The intent is to identify tools and procedures for a technician to measure the performance of a loudspeaker system in a room, and then support accurate and reliable calibration of this system to a specified performance.

AES-X216 Calibration Pink-Noise Standard
Initiated on 2013-03-04 by Subcommittee SC-04, and assigned to Working Group
SC-04-08

Scope:
This project will liaise with SMPTE TC-25CSS in their project to "Create a pink-noise Standard, and a reference pink-noise file available in a digital audio file and DCP formats that conform to the description of the pink noise in ST 202:2010 and RP 200-2012 and for which the time domain (mean, standard deviation, skew, kurtosis, etc) and frequency domain (energy per bandwidth, bandwidth, etc) characteristics are defined. Specify the algorithm used to generate the pink-noise file." The project will consider comments as appropriate for communication to SMPTE.

AES-X215 Current procedures to calibrate the cinema B-Chain
Initiated on 2013-03-04 by Subcommittee SC-04, and assigned to Working Group
SC-04-08

Scope:
This project will liaise with SMPTE TC-25CSS in their project to Codify current procedures as used by skilled theater technicians to calibrate the Cinema B-Chain. The project will consider comments as appropriate for communication to SMPTE.

AES-X213 MADI over Twisted-Pair Cable
Initiated on 2012-11-04 by Subcommittee SC-02, and assigned to Working Group
SC-02-02

Scope:
To add twisted pair connectivity to AES10 in addition to the current connectivity options.

AES-X212 HRTF file format
Initiated on 2012-10-12 by Subcommittee SC-02, and assigned to Working Group
SC-02-08

Scope:
to standardize a file format to exchange binaural listening parameters in the form of head related transfer functions (HRTF). The format will be scalable to match the available rendering process. The format will be designed to include source materials from different HRTF databases.

AES-X210 Open Control Architecture (OCA)
Initiated on 2012-10-08 by Subcommittee SC-02, and assigned to Working Group
SC-02-12

Scope:
To specify a scalable control-protocol architecture for professional media networks. The initial version will address audio aspects only, but it is intended ultimately to expand the scope to video through collaboration with a video-oriented standards body such as SMPTE.

AES-X206 Frequency Response Data file format
Initiated on 2012-02-08 by Subcommittee SC-02, and assigned to Working Group
SC-02-01

Scope:
An industry practice has evolved over the past years for the format of a file format for data exchange of frequency response (magnitude and phase) data of transducers and other audio systems. Two variants are documented. The scope of this project is to define the FRD format as closely as possible in standard terms.

AES-X205 Application of connectors, miniature XLR-type polarity and gender
Initiated on 2012-02-08 by Subcommittee SC-05, and assigned to Working Group
SC-05-02

Scope:
This standard shall apply to three-pin and five-pin circular connectors, generically known as miniature XLR-type, used for the connection of balanced audio signals between sound system components for professional audio and similar applications, regardless of function, type, or level of the signal. It specifies the application and polarity of signals for these connectors. This standard does not pertain to the dimensions of the connectors and does not consider safety issues arising from usage.

AES-X196 multi-channel audio in AES3
Initiated on 2011-07-28 by Subcommittee SC-02, and assigned to Working Group
SC-02-02

Scope:
An AES3 interface running at 192kHz could be adapted to carry 8 channels of linear audio sampled at 48kHz. The scope of this project is to formalise the use of the interface in this way, and to specify a means of signalling the use of an AES3 interface in this way to cover various use cases such as asynchronous switching, behaviour of existing devices, equipment not designed for this mode, and so on. Operational guidance may also be developed, if necessary.

AES-X192 streaming audio-over-IP interoperability
Initiated on 2010-12-01 by Subcommittee SC-02, and assigned to Working Group
SC-02-12

Scope:
To specify protocols and interoperability guidelines for professional, low-latency streaming audio over high-performance IP networks.

AES-X193 Array and cluster polar radiation measurements
Initiated on 2010-05-20 by Subcommittee SC-04, and assigned to Working Group
SC-04-01

Scope:
The standard will specify how the angular measurements of polar radiation data for arrays or cluster arrangements of loudspeakers shall be made and documented. This acquired data is suitable for application in room acoustic, electro-acoustic, and sound system predictions, and loudspeaker data sheets.

AES-X189 Connector for surround microphones
Initiated on 2010-05-20 by Subcommittee SC-04, and assigned to Working Group
SC-04-04

Scope:
to establish a standard for the connector type and contact assignment for microphones having four or more balanced analog output channels, as used in surround sound applications. It will include specifications for marking and identification for the audio channels. It will include recommendations for cable type and detailed wiring.

AES-X170 Integrated Control, Monitoring and Connection Management for Digital Audio Networks
Initiated on 2010-04-29 by Subcommittee SC-02, and assigned to Working Group
SC-02-12

Scope:
to create and standardize:

  1. A set of structured Internet Protocol-based messages that can be used to control single parameters or groups of parameters, and to monitor these parameters. The parameters are associated either with typical signal processing functionality within audio devices, synchronization between such devices, or connections between such devices.
  2. A mechanism for grouping of device parameters, and messages required to implement such grouping.
  3. A mechanism for the control of latency within networks of audio devices, and a specification of the messages and parameters required for the control of such latency.
  4. Parameter modifiers, and the messages required to create and configure such modifiers.
  5. Security levels, and the messages required to set and get such levels.

AES-X188 Screen-less navigation for high-resolution audio on Blu-ray Discs
Initiated on 2009-08-10 by Subcommittee SC-02, and assigned to Working Group
SC-02-08

Scope:
to recommend a method for authoring an audio-only Blu-ray Disc to enable playback in screen-less consumer systems, and to provide simple stream and track selection using the remote control of a normal Blu-ray Disc player.

AES-X183 Audio application of 25-way D-type connectors
Initiated on 2009-01-10 by Subcommittee SC-05, and assigned to Working Group
SC-05-02

Scope:
to recommended a pin assignment and gender for 25-way D-type connectors used to connect multiple audio signals in balanced analogue or AES3 digital form. Excludes consideration of connector and cable types for specific applications.

AES-X182 AES/Ethernet Simple Open Protocol
Initiated on 2008-08-05 by Subcommittee SC-02, and assigned to Working Group
SC-02-02

Scope:
to specify a means for transmission over category 5 data cable of unidirectional digital audio and bidirectional control data. Intended applications are active loudspeakers and amplifiers for live performance and for installations.

AES-X155 Production recording metadata set (iXML)
Initiated on 2008-05-02 by Subcommittee SC-03, and assigned to Working Group
SC-03-06

Scope:
to specify an XML-based metadata set to communicate file-based and project-based metadata between various stages of audio workflow in production, telecine, editorial, and post production. Production may include recordings made in studios and on location.

AES-X162 Amendment to AES31-2, File-size extension using the "RF64" technique
Initiated on 2007-12-17 by Subcommittee SC-02, and assigned to Working Group
SC-02-08

Scope:
This amendment to AES31-2 provides a method of extending audio files beyond the limits set by the RIFF Wave format. It uses the "RF64" technique to permit 64-bit file addressing to accommodate longer recording times and multiple channels in a single file.

AES-X172 Criteria for the authentication of digital audio recordings using an ENF methodology
Initiated on 2007-11-19 by Subcommittee SC-03, and assigned to Working Group
SC-03-12

Scope:
This report discusses the minimum procedure for the authentication of digital audio recordings intended to be offered as evidence or otherwise utilized in civil, criminal, or other fact-finding proceedings. This authentication is based on the analysis of low-level induced signals at electric-network frequency (ENF).

AES-X180 Amendment 5 to AES3, extensions to status data
Initiated on 2007-10-27 by Subcommittee SC-02, and assigned to Working Group
SC-02-02

Scope:
This amendment adds a flag to indicate hidden data within a PCM signal, provides indications for two additional sampling frequencies, and clarifies the use of certain status bits when the signal is non-PCM.

AES-X160 Powering and Analog Interface for Constant-Current Line Drive Transducers
Initiated on 2007-01-28 by Subcommittee SC-04, and assigned to Working Group
SC-04-04

Scope:
To define the powering parameters for constant current line drive (CCLD) transducers such as microphones, which may also be compliant with IEEE 1451.4.

AES-X161 Digital interface for loudspeakers
Initiated on 2007-01-19 by Subcommittee SC-02, and assigned to Working Group
SC-02-02

Scope:
To identify the different circumstances in which digital loudspeakers are used, arrange them into groups with similar requirements, specify those requirements, and identify existing standards that would be appropriate. A follow-on project could then develop any new standards that are needed, based on the specified requirements.

Back to top
 
Facebook   Twitter   LinkedIn   Google+   YouTube   RSS News Feeds  
AES - Audio Engineering Society