SC-05-05 meeting, San Francisco, 2008-10

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 AES 125th Convention in San Francisco, CA., US., 2008-10-02.

The meeting was convened by chair B. Olson.

The report of the previous meeting, held in Amsterdam, 2008-05-17, and the agenda were approved as written.

Open Projects

AES48-R Review of AES48-2005, AES standard on interconnections - Grounding and EMC practices - Shields of connectors in audio equipment containing active circuitry

No action was requested or required.

Development Projects

AES-X125 Input filtering for electromagnetic compatibility
The meeting discussed the secretariat-formatted PTD and decided that a couple of drawings would help clarify the definitions. The chair agreed to forward drawings for this purpose to the Secretary. Most other questions were resolved and will be included in the next posting of the document.

AES-X147A Connection of cable shields within connectors attached to balanced audio cables
There was no discussion.

AES-X147B Shielding of balanced audio wiring within passive connector panels and passive mic splitters
There was no discussion.

AES-X147C Shields of microphone level outputs of active equipment other than microphones
There was no discussion.

AES-X152 Signal levels and impedances of analog audio interfaces
J. Woodgate will combine the existing documents into a first draft


A proposal for liaison was received from an IEEE group for reporting standards work. Olson presented a powerpoint from SACCOM showing how the liaison would work, and will seek permission to post it to the WG document site.

New projects

No new projects were received or proposed.

New business

There was no new business

The next meeting will be scheduled in conjunction with the AES 125th convention in San Francisco, CA., US., 2008-10.

AES - Audio Engineering Society