SC-02-02 meeting, New York, NY, 2018-10

Report of the meeting of the SC-02-02 working group on digital audio interfaces, of the subcommittee on digital audio, held in New York, NY, 2018-10-19.

The meeting was convened remotely by chair J. Grant.

Present were J Grant*, M Lameiro, K Ono, P Treleaven, R Cabot, M Poimbeuf, B Olson, S Scott* (* denotes by electronic link)

The formal notice on patent policy was read.

The agenda, and the report of the previous meeting, held in Milan, 2017-05-25, were approved as written.

Projects assigned to this group but not mentioned here had no action requested or required - see for details.

Open projects:

AES3-4-R: Review of AES3-4-2009 (r2014), AES standard for digital audio - Digital input-output interfacing - Serial transmission format for two-channel linearly represented digital audio data - Part 4: Physical and electrical
J Paul was unable to find time to produce revised drafts and has now left the Working Group. There is still a need to update this standard and AES-2id, to reflect current practice and to correctly distribute normative and informative text between the two documents; P Treleaven has posted a summary of the previous discussions to the reflector; S Scott offered to contribute but does not have time to lead the work.

AES5-R: Review of AES5-2008 (r2013): AES recommended practice for professional digital audio - Preferred sampling frequencies for applications employing pulse-code modulation
The revised text is out for public comment; there have been no comments so far. R Hess has offered to draft an Information Document covering the issues that have previously been discussed, Secretariat to follow up; B Harris offered to contribute.

AES10-R: Review of AES10-2008: AES Recommended Practice for Digital Audio Engineering - Serial Multichannel Audio Digital Interface (MADI)
The various proposals that have been made over the past few years are not now expected to result in any revision.

AES53-R, Review of AES53-2006 (r2011), AES Standard for digital audio - Digital input-output interfacing - Sample-accurate timing in AES47
There were no issues raised during the public comment period on the revised text; now ready for publication.


No formal liaison was sent to SMPTE regarding the AES5 revision, but K Gross had several informal conversations with SMPTE members.

New projects

No new projects were proposed.

New business

No new business was raised.

The meeting closed at 9:50.
The next meeting will be scheduled in conjunction with the AES 146th Convention, to be held March 2019 in Dublin, Ireland.

AES - Audio Engineering Society