SC-02-08 meeting, Munich, 2009-05

Report of the meeting of the SC-02-08 Working Group on Audio-File Transfer and Exchange of the SC-02 Subcommittee on Digital Audio, held in Munich, Germany, 2009-05-08

The meeting was convened by chair M. Yonge.

The agenda were accepted as written with the addition of a new item from A. Holzinger. The report of the previous meeting, held on 2008-10-02 in Amsterdam, was accepted as written.

Open projects

AES31-1-R: Review of AES31-1-2001 (r2006): AES standard for network and file transfer of audio - Audio-file transfer and exchange - Part 1: Disk format

Assigned to: SC-02-08, Initiated: 2006 Intent: Review, Target: 2011 Current goal: Status report, Goal date: Continuing

No action requested or required

AES31-2-R: Review of AES31-2-2006: Audio-file transfer and exchange - Part 2: File Format for Transferring Digital Audio Data Between Systems of Different Type and Manufacture

Assigned to: SC-02-08, Initiated: 2006 Intent: Review, Target: 2011 Current goal: Status report Goal date: continuing

AES31-2 Amendment 1, "Extended file format for audio to exceed 4 GByte" - formerly AES-X162 - was published on 2009-02-16. No action requested or required at this time, but see new projects and Liaisons, below.

AES31-3-R: Review of AES31-3-2008, AES standard for network and file transfer of audio - Audio-file transfer and exchange - Part 3: Simple project interchange. including maintenance of annex F

Assigned to: SC-02-08, Initiated: 2008 Intent: Review, Target: 2013 Current goal: Status Report, Goal date: continuing

No action requested or required.

Development projects

AES-X149: Format and Recommended Usage of the Direct Stream Digital Interchange File Format (DSDIFF)

Assigned to: SC-02-08, Initiated: 2004-09-11 Intent: Standard, Target: 2007 Current goal: Sec formatted PWD, Goal date: 2009-02

Secretariat formatting awaited

Liaisons:

Now that the AES31-2 BWF standard has been augmented by the latest ammendment to cover file sizes greater than 4 GB, it was felt that we should consider offering the combined standard to IEC to make an international standard. To be progresed as soon as possible by the secretariat.

New Projects:

Holzinger offered a draft of a proposed new chunk, to replace or extemd the current EBU Cue chunk in a BWF file. This would use 64-bit addresses to provide markers into large audio files, both PCM and MPEG-coded. This draft is at an early stage and will be discussed in EBU P/AGA on Monday. Holzinger will post a copy of the draft proposal to the group document site.

New business:

There was no new business

The next meeting will be scheduled in conjunction with the AES 125th Convention in New York, NY., US., 2009-10.

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AES - Audio Engineering Society