SC-05-05 report, San Francisco meeting, 2006-10

Report of the meeting of SC-05-05 (Working Group on Grounding and EMC Practices of the SC-05 Subcommittee on Interconnections) held in conjunction with the 121st AES Convention in San Francisco, CA, USA 2006-10-05.

The meeting was convened by Chair B.C. Olson.

The agenda was approved. The report of the meeting held on 2006-05-20 in Paris, France, was accepted with a small editorial correction.

Open Projects

AES48-2005: Review of AES48-2005 Shields of connectors in audio equipment containing active circuitry
This standard will come up for review in 2010.

A question was raised by S. Macatee regarding what would be allowed in regards to a "bug" or logo that could be placed on equipment and/or data sheets that would assert compliance with AES48 by the manufacturer. The topic is to be reviewed by M. Yonge and R. Furness.

Development Projects

AES-X27 Field Test Methods for Measuring Electromagnetic Interference
The Chair is in discussion with interested parties to progress this project appropriately.

There was discussion about a specification for the use of an adapted cell-phone power-vs-distance test along with details on Nextel phones used for testing. This subject will be considered by the newly formed TC-EMC.

AES-X125 Input filtering for electromagnetic compatibility
D. Birt to be contacted by Secretariat to get permission to use the document on the document site that is from him. [Permission was subsequently received.]

AES-X147A Connection of cable shields within connectors attached to balanced audio cables
Detailed changes were discussed. Revisions will be forwarded by J. Brown to M. Yonge. Secretariat will then prepare a further formatted PWD for review by the WG with the intent to move to PCFC thereafter.

AES-X147B Shielding of balanced audio wiring within passive connector panels and passive mic splitters
Detailed changes were discussed. Revisions will be forwarded by Brown to Yonge. Secretariat will then prepare a further formatted PWD for review by the WG with the intent to move to PCFC thereafter.

AES-X147C Shields of microphone level outputs of active equipment other than microphones
Detailed changes were discussed. Revisions will be forwarded by Brown to Yonge. Secretariat will then prepare a further formatted PWD for review by the WG with the intent to move to PCFC thereafter.

Liaisons

There are no liaisons.

New Projects

No new projects were proposed.

New Business

There was no new business.

The next meeting will be at the 122nd AES Convention in Vienna.

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AES - Audio Engineering Society