Timeline – Richard Cabot

Richard Cabot posted an update 6 months ago

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Richard Cabot posted an update 6 months ago

6 months ago

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Dear Ed,

I'm sorry that my schedule doesn't allow me to to attend the OMF
developers' conference in New Orleans. However, it may be appropriate to
offer a few words at this time.

BWF Audio Files.
There are many competent file formats that can be used to store audio data.
When deciding on a standard recently, the EBU (the European Broadcast
Union) adapted a simple and widely available file format.

The EBU Broadcast Wave Format (BWF) comprises a conventional RIFF Wave file
with an additional header chunk in each file to carry a set of source
identification and timecode information.  These extra parameters provide
the hooks necessary to pass sound recording through the many stages of
complex production and post production jobs without overburdening simpler
applications. Importantly, 'timecode' information is incremented at audio
sample rate to give a very high resolution time reference that is
independent of, but which can be used with, any conventional timecode or
film/TV picture frame rate.  This promises smoother interchange both
internationally and cross-media.

AES
When the AES Standards Working Group on Audio File Exchange also considered
the requirements of a sound file to form part of a wider - and scaleable -
interchange scheme, a similar set of features was required.  The AES
Working Group is expected to adopt and standardise the EBU BWF audio file
format.

The AES standard will use these audio files both standalone and within two
types of Project Structure (organisational structures that will facilitate
edited material to be passed from one piece of equipment to another).  A
Simple Project Structure will comprise a fairly conventional Edit Decision
List (EDL).  The Object Oriented Project Structure will be capable of
conveying more processing information; an audio-specific subset of OMF is
proposed for this role.

Accordingly, I am happy that the OMF format will be able to use EBU BWF
files.  This provides for a degree of synergy between different
applications and stages of production that I think will be beneficial to
the industry at large.

Detailed information on the BWF is available from the EBU web site at:

http://www.ebu.ch//pmc_bwf.html

Sample files are available from Swedish Radio at:

http://www.sr.se/rd/bwf/

I wish you all a great time in the (comparatively) warm South.

Mark Yonge,

Chair, AES SC-06-01
Standards Working Group: Audio File Transfer and Exchange

Solid State Logic Ltd

marky@solid-state-logic.com
mark@yonge.demon.co.uk
Phone: (44) 1865 842300
Fax    (44) 1865 379100

Dear Ed,

This relates to our discussions before the holiday.

It is apparent that, even with an audio-only subset of the OMF scheme, the
AES group is having some difficulty discussing the subject with the
experience and authority necessary for its practical implementation as a
general interchange standard.

To keep this topic moving forwards, I wonder if it would be possible to
form a number of experienced people, perhaps from within the OMF Developers
group,into an AES Task Group.  The role of this Task Group would be to
provide advice to the SC-06-01 AES Working Group on practical matters
related to the implementation of OMF in audio systems.

You have very kindly offered to explore the possibility.  Could I ask you
to consider this during the OMF Developers Conference next week and let me
know you thoughts as soon as possible?

Many thanks

Mark Yonge,

Chair, AES SC-06-01
Standards Working Group: Audio File Transfer and Exchange

Solid State Logic Ltd

marky@solid-state-logic.com
mark@yonge.demon.co.uk
Phone: (44) 1865 842300
Fax    (44) 1865 379100

TO:  SC-02-02, SC-06-01

CC: SC-02, SC-06

FROM:   DANIEL QUEEN, Audio Engineering Society Standards Manager
        AES Standards Secretariat
        Daniel Queen Associates
        239 W 23rd St
        New York NY 10011
        USA

FAX:   +1-212-645-5436 ATT D. QUEEN

TEL:   +1-212-243-6661
E-MAIL: standards@aes.org (attached binaries: documents@aessc.aes.org)  
INTERNET: http://www.aes.org/standards/policies/AESSC-COMMUNICATIONS.html
AESSC DOCUMENT EXCHANGE: TELNET aessc.aes.org 
                         MODEM  +1-212-727-1882 or +1-212-243-6721 
                               Username: STANDARDS Password: STANDARDS

SUBJECT:  Participation of AESSC in DVD forum

22 January 1998

TTTTTTT    OOOOOOO    DDDDDD        A       YY   YY                     
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   TT       OO   OO    DD   DD     AA AA       YYY                       
   TT       OO   OO    DD   DD    AA   AA      YY                        
   TT       OO   OO    DD   DD    AAAAAAA      YY                        
   TT       OOOOOOO    DDDDDD     AA   AA      YY                        
   TT       OOOOOOO    DDDDDD     AA   AA      YY

AESSC has become a B-member of  the  DVD  Forum,  the  successor  to  the  DVD
Consortium.   As  a  B-member,  we  can participate in the working groups, but
without an official vote.  I have listed  the  programs  of  the  two  working
groups that are related to audio.

The WG10 group is being chaired by Steve Sohma, one of our vice-chairs  and  a
member  of  our Steering Committee.  He has scheduled the next meeting of WG10
for 1998-02-05 14:00 at Pioneer headquarters in Tokyo.

I will be preparing the full Forum prospectus for  downloading  from  our  FTP
site.   Thus  far, we have not received machine-readable copy, so it will take
time.  Rather than delay any more, I have included only the  programs  of  the
two  groups  in  this  memo.   We  need  to consider how to participate in the
proceedings.

Dan Queen

**********************************************

WG4

SCOPE 1.  General Description
To create DVD-Audio application format, which meets the  requirements  of  the
next-generation high-quality audio for the music industry and the consumer all
over the world.

2.  Activity
(A) Format Maintenance& New Format Creation
No activity until Ver 1.0 Audio Format is established.
(B)Condition/Requirements
Technical proposal from any new comer are highly appreciated, but  they  shall
be  based  in  the  current draft which has been created through collaboration
between ISC and WG-4.
(C) Chair Company:  JVC
(D) Add-hoc Groups
*Format  (JVC)  ,br  *Copyright  (Toshiba  &  Matsushita)  *Format   Promotion
(Matsushita & Pioneer)

Schedule
`97 December; Final Draft `98 February; Ver.  0.9 `98 May; Ver.  1.0

WG10

Organization
WG10 (Professional use DVD Format)
Chair:  Pioneer, Vice chair:  Hitachi

Scope
To  create  the  application  format  for  broadcasting  and  industrial  use,
utilizing DVD family disc.

Schedule
-Meeting is Scheduled every month.
-Study/Survey the user requirements and finalize it by the end of Dec.  1997.
-Discuss on the adoptive system during January to March 1998.
-Target the format by the end of 1998.

*****************************************************************************

If you received this notice by fax,  we  do  not  have  your  e-mail  address.
Without the e-mail address, you will not participate in the ongoing discussion
taking place between meetings on the working  group  reflector.   Please  send
your e-mail address to members@aessc.aes.org.

***************************************************
****    Please access our Internet Web site    ****
***************************************************
This is a multi-part message in MIME format.

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	charset="iso-8859-1"
Content-Transfer-Encoding: 7bit

Dear Mr Queen,

Thank you for your email. You have addressed it to Mr Verrier at Digigram
 verrier@digigram.com), who have forwarded it to me.
Digigram is very much interested in some participation with regards to the
DVD  standards proceedings, and definitely we would appreciate to be
informed about the progress. It will be very difficult to arrange my
schedule on such a short notice ( for the Tokyo meeting), however if you
would be so kind and let me know the schedules for the next meetings, I
would do my best to attend at least some of them.

In the mean time please be so kind and replace Mr Verriers name and email
address with mine as he is now involved in another project. If it is
possible, please add Mr Patrick Tardy ( tardy@digigram.com) - Market
Research to the emailing list.

Best regards,

Wlodek Sielski

#######################################
Wlodek Sielski
Director of International Operations
Digigram SA
WEB: http://www.digigram.com
email: sielski@digigram.com
#######################################

-----Original Message-----
From:	sc_06_01@dqa.dqueen.com.aes.org
[SMTP:sc_06_01@dqa.dqueen.com.aes.org]
Sent:	Friday, January 23, 1998 1:33 AM
To:	furukawa@lab1.yamaha.co.jp; hnakashi@mxu.meshnet.or.jp;
shibata@cerd.sony.co.jp; qyi04070@niftyserve.or.jp;
yamatake@t3.rim.or.jp; j.haeny@fairlightesp.com.au;
castillo@gsi.dit.upm.es; herla@irt.de; krafft@irt.de; spo@iis.fhg.de;
koller@lte.e-technik.uni-erlangen.de; martin.porter@sadie.com;
joe.bull@sadie.com; Jean-Marc.Porchet@merging.com; ccellier@merging.com;
verrier@digigram.com; chalmers@ebu.ch; Dominik.Tarqua@studer.ch;
willy.aubert@infoboard.be; timattenborough@genex.co.uk;
jeffb@synchroarts.co.uk; marcus@sonifex.co.uk; robin_c@pro-bel.co.uk;
RobinCaine@aol.com; jeffsadie@aol.com; JDunn@iee.org;
emmett@teddstudios.u-net.com; anthonyfaust@compuserve.com;
amornington_west@compuserve.com; dougf@ams-neve.com;
stuarth@ams-neve.com; snh@crystal.cirrus.com;
Paul.Lidbetter@uk.origin-it.com; nunn001@ibm.net; chairman@aessc.org;
f.rumsey@surrey.ac.uk; davids@solid-state-logic.com;
marky@solid-state-logic.com; michael.topic@lwks.tek.com;...

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