SC-04-03 meeting report, Rome, 2013-05

Report of the meeting of the SC-04-03 Working Group on loudspeaker modeling and measurement of the SC-04 Subcommittee on Acoustics, held in Rome, Italy, 2013-05-06

The meeting was convened by chair S. Hutt.

The agenda and the report of the previous meeting, held in San Francisco, 2012-10-28, were accepted as written.

Open projects

AES-1id-R, Review of AES-1id-2012: Plane-Wave Tubes: Design and Practice
The revision of this information document was published in February this year. It is due for formal review in 2017 but may be revised before that date.

AES2-R, Review of AES2-2012: AES Recommended Practice - Specification of loudspeaker components used in professional audio and sound reinforcement
The revision of this standard was published in February this year. It is due for formal review in 2017 but may be revised before that date.


No liaison updates.

New Projects

With the completion of the revision of AES2 on drivers, two formerly passive projects on loudspeaker systems were re-activated:

AES-X194 Report on Loudspeaker Terminology
Chair Notes: AES-X194 should adopt terms from the IEC Electropedia & Glossary definitions, with specific additions where necessary for unambiguous clarity. For example, terms such as "loudspeaker" have been traditionally been used without qualification to mean both loudspeaker drivers AND loudspeaker systems, leading to significant confusion.

The IEC Electropedia and IEC glossary are openly accessible through the IEC web site at - follow links for "Terminology".

AES-X168 Characterization of Loudspeaker Systems
Chair Notes; IEC 60268-5 covers both drivers & systems and includes some loudspeaker system characterization that may provide fundamentals for SC-04-03 to develop a defined scope for AES-X168.

J. Woodgate offered to organize a relevant draft by the end of week 20, 2013.

New Business:

There was no new business.

The next meeting will be held in conjunction with the AES 135th Convention in New York, NY., US., 17 to 20 October 2013

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AES - Audio Engineering Society