AES Standards News Blog

 

Call for Comment on DRAFT AES67-xxxx - High-performance streaming audio-over-IP interoperability

 The Call for Comment on DRAFT of AES67-xxxx, "AES standard for audio applications of networks - High-performance streaming audio-over-IP interoperability" was published 2013-07-29. 

 

http://www.aes.org/standards/comments/cfc-draft-aes67-xxxx-130729.cfm

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Posted: Monday, July 29, 2013

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A Call for Comment on REAFFIRMATION of AES54-3-2008 - Shields of balanced microphone-level outputs

 A Call for Comment on REAFFIRMATION of AES54-3-2008, AES standard on interconnections - Grounding and EMC practices - Shields of balanced microphone-level outputs of active equipment other than microphones, was published on 2013-07-17

http://www.aes.org/standards/comments/cfc-aes54-3-2008-reaff-130717.cfm

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Posted: Wednesday, July 17, 2013

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A Call for Comment on REAFFIRMATION of AES54-2-2008 - Shields of balanced audio wiring within passive units

 A Call for Comment on REAFFIRMATION of AES54-2-2008AES standard on interconnections - Grounding and EMC practices - Shields of balanced audio wiring within fixed and portable passive connector panels, jack fields, and passive microphone splitters, was published on 2013-07-17

http://www.aes.org/standards/comments/cfc-aes54-2-2008-reaff-130717.cfm

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Posted: Wednesday, July 17, 2013

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Call for Comment on REAFFIRMATION of AES54-1-2008 - cable shields of portable balanced audio cables

 A Call for Comment on REAFFIRMATION of AES54-1-2008AES standard on interconnections - Grounding and EMC practices - Connection of cable shields within connectors attached to portable balanced audio cables, was published on 2013-07-17

http://www.aes.org/standards/comments/cfc-aes54-1-2008-reaff-130717.cfm 

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Posted: Wednesday, July 17, 2013

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Call for Comment on REAFFIRMATION of AES5-2008 - Preferred sampling frequencies for PCM

A Call for Comment on REAFFIRMATION of AES5-2008, AES recommended practice for professional digital audio - Preferred sampling frequencies for applications employing pulse-code modulation, was published on 2013-07-01.

http://www.aes.org/standards/comments/cfc-reaff-aes5-2008-130701.cfm

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Posted: Monday, July 1, 2013

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Call for Comment on REAFFIRMATION of AES58-2008 - Application of IEC 61883-6 32-bit generic data

A Call for Comment on REAFFIRMATION of AES58-2008 AES standard for digital audio - Audio applications of networks - Application of IEC 61883-6 32-bit generic data, was published on 2013-07-01.

http://www.aes.org/standards/comments/cfc-reaff-aes58-2008-130701.cfm

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Posted: Monday, July 1, 2013

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Call for Comment on REAFFIRMATION of AES-16id-2008, Stylus dimensions and selection

A Call for Comment on reaffirmation of AES-16id-2010, AES information document for transfer technologies - Stylus dimensions and selection, was published on 2013-07-01. 

http://www.aes.org/standards/comments/cfc-reaff-aes-16id-2010-130701.cfm

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Posted: Monday, July 1, 2013

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New project - Frequency and impulse response of sound systems in auditoria

AES-X219 Method of measurement for frequency and impulse response of sound systems in auditoria has been initiated and assigned to AESSC Working Group SC-04-08.

The project is scoped to specify a method of measurement for frequency and impulse response of sound systems in auditoria. The output intent is a standard. 

The audience experience of sound reproduced through loudspeakers in an auditorium can vary greatly. In many applications where sound is reproduced in auditoria, a predictable performance is valued. While a number of different electro-acoustic and acoustic parameters contribute to this experience, a standard method of measuring the frequency & impulse response of the sound as presented to the audience by the loudspeaker system(s) will be a necessary part of any more general solution.

http://www.aes.org/standards/meetings/init-projects/aes-x219-init.cfm

http://www.aes.org/standards/development/membership.cfm


Posted: Monday, March 18, 2013

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New project - Measurement and calibration of sound systems in rooms

 

AES-X218 Measurement and calibration of sound systems in rooms has been initiated and assigned to AESSC Working Group SC-04-08

This project seeks 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. The output intent is an Information Document.
 
Measurement of sound systems in rooms, including but not limited to cinema B-chains, currently relies on empirical measurement techniques developed in the 1970s. Modern methods and equipment should offer simpler and more accurate ways to calibrate rooms with greater precision. This project will review the parameters that affect the audience experience in these rooms, and the objective methods of measurement necessary to quantify them. This will provide a basis for more detailed standardization for measurements and calibration protocols for controllable parameters.
 
http://www.aes.org/standards/meetings/init-projects/aes-x218-init.cfm
 
http://www.aes.org/standards/development/membership.cfm

 


Posted: Monday, March 18, 2013

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New project - Calibration pink-noise

New project AES-X216 Calibration Pink-Noise Standard Initiated and assigned to AESSC Working Group SC-04-08

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.

Pink noise generators on the market have measurable differences that can create calibration differences between cinemas. The creation of a stand-alone pink-noise Standard and reference file (with known statistics and characteristics) will eliminate an important variable in the calibration process.

http://www.aes.org/standards/meetings/init-projects/aes-x216-init.cfm

http://www.aes.org/standards/development/membership.cfm


Posted: Monday, March 18, 2013

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