It's been all anyone in broadcasting (and Congress) can talk about for the past couple of years. CALM Act, ITU-R BS.1770, -24 LKFS +/-2, etc.
Couple of links:
http://en.wikipedia.org/wiki/Commercial_Advertisement_Loudness_Mitigation_Act
http://www.itu.int/rec/R-REC-BS.1770-0-200607-S/en
http://usgovinfo.about.com/od/consumerawareness/a/When-And-How-The-Calm-Act-Will-Be-Enforced.htm
http://www.reuters.com/article/2011/12/13/us-fcc-idUSTRE7BC27R20111213
--- In Avid-L2@yahoogroups.com, "blafarm" <blafarm@...> wrote:
>
> >Not sure what the EBU does over there, but over here the loudness specs are final. http://tech.ebu.ch/loudness
>
> Curious ... I've not heard of any pending initiative like this proposed for the States. Anyone else?
>
>
>
>
> --- In Avid-L2@yahoogroups.com, "bouke" <bouke@> wrote:
> >
> > Not sure what the EBU does over there, but over here the loudness specs are
> > final. http://tech.ebu.ch/loudness
> > And there are hardware meters, but also software (i have PPmulator as plugin
> > in Avid). And there is even free software that (batch) sets the correct
> > level.
> > Very easy, you just make a nice mix, put the mixdown trough the tool and
> > you're done.
> > (Trouble is with the new regulations, if you have hardware meters you need
> > to play the entire show before you get a reading. So a software tool that
> > analyzes and shifts the entire mix accordingly is very nice.) Check
> > SourceForge for R128gain (windows only, but a very simple small PC is
> > enough)
> >
> > Bouke
> >
> > VideoToolShed
> > van Oldenbarneveltstraat 33
> > 6512 AS NIJMEGEN
> > The Netherlands
> > +31 24 3553311
> > www.videotoolshed.com
> > For large files:
> > http://dropbox.yousendit.com/BoukeVahl998172
> >
> > ----- Original Message -----
> > From: "Jo Hermann" <lists@>
> > To: <Avid-L2@yahoogroups.com>
> > Sent: Thursday, December 08, 2011 3:15 PM
> > Subject: Re: [Avid-L2] Re: Anyone made a GXF (SMPTE RDD 14-2007) file?
> >
> >
> > > Closed captions are only needed if the runtime is what, more than 5
> > > minutes in runtime. (page 1, 2. Spot Delivery (in red))
> > >
> > > We have the same fun here with FOX' regulations (in my case delivery to
> > > NG). Another set-back are the audio specs, LKFS is still in discussion in
> > > the EBU-world to come maybe 2012/13. So no hardware around here yet.
> > >
> > > I find them accepting various formats - still, but for how long? Guess one
> > > could come up with a Tansfer-To-FOX LLC.
> > >
> > >
> > >
> > > Jo
> > >
> > > On Dec 8, 2011, at 1:28 AM, johnrobmoore wrote:
> > >
> > >> I just had a morning meeting with the network folks about file based
> > >> delivery and the biggest concern was that we get the file to them early
> > >> enough for them to process it. Fortunately they accept avid mxf media in
> > >> SD and HD. Very smart of them IMHO. I'm very interested to know how you
> > >> insert an AFD and Captioning 708 files along with the other stuff. I was
> > >> under the impression you always have to also have 608 caption files too
> > >> so the downconverts and older monitors can run the old standard of
> > >> captioning. Does this mean the 708 carries the older 608 captions inside
> > >> itself along with the new 708 data? I'm jealous of all the fun your
> > >> getting to have. ;-(
> > >>
> > >> --- In Avid-L2@yahoogroups.com, "Terence Curren" <tcurren@> wrote:
> > >> >
> > >> > Next question, how are we supposed to insert AFD into files. This is so
> > >> > much fun. Here are the file delivery requirements from Fox:
> > >> >
> > >> > HD File Format Specifications
> > >> > 1. Files shall be wrapped in GXF (SMPTE RDD 14-2007)
> > >> > 2. The GXF files shall be "simple clip format"
> > >> > 3. The GXF files shall have one "MPEG-2 HD" video track
> > >> > a. The video track shall have the following description tags:
> > >> > i. Frame rate: 59.94 frames/sec
> > >> > ii. Lines per frame: 720; Fields per frame: Progressive
> > >> > b. MPEG-2 video essence:
> > >> > i. 1280 � 720 pixels at 59.94p
> > >> > ii. 4:2:2 profile @ high level; 50-80 Mbps (preferred) or 4:2:0 main
> > >> > profile @ high level; 30-80 Mbps
> > >> > 4. The GXF files shall have eight "Audio PCM 16" (16 bits @ 48 kHz PCM)
> > >> > or eight "Audio PCM 24" (24 bits @ 48 kHz PCM) channels.
> > >> > 5. The GXF files shall have one Ancillary data track and shall carry
> > >> > the following data:
> > >> > a. CEA-708 captions in CDP as per SMPTE 334-2 carried in VANC as per
> > >> > SMPTE 334-1
> > >> > b. AFD and Bar Data information as per SMPTE 2016-1, carried in VANC as
> > >> > per SMPTE 2016-3
> > >> > c. If available, Audio Metadata per SMPTE 2020-1-2008 carried in VANC
> > >> > as per SMPTE 2020-2-2008
> > >> > 6. The GXF files shall have one "Time Code 525" track (see Metadata
> > >> > section)
> > >> >
> > >> >
> > >> >
> > >> >
> > >> >
> > >> >
> > >> > --- In Avid-L2@yahoogroups.com, Greg Huson <Greg@> wrote:
> > >> > >
> > >> > > Episode pro DOES have presets for this format- I just checked.
> > >> > >
> > >> > > gh
> > >> > > ----------------------------------------------------
> > >> > > Greg Huson
> > >> > > Secret Headquarters, Inc
> > >> > > Post Production / Production
> > >> > > Culver City, CA
> > >> > > 323 677 2092
> > >> > > www.DigitalServiceStation.com
> > >> > > greg (at) SecretHQ.com
> > >> > > facebook.com/greg.huson
> > >> > > www.SecretHQ.com
> > >> > >
> > >> > >
> > >> > >
> > >> > > On Dec 7, 2011, at 2:25 PM, Terence Curren wrote:
> > >> > >
> > >> > > > It's part of Fox's file based delivery requirements. It's an MPEG 2
> > >> > > > in this GXF wrapper which apparently is a Grass Valley gift to the
> > >> > > > world.
> > >> > > >
> > >> > > >
> > >> > >
> > >> >
> > >>
> > >>
> > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> > >
> > >
> > > ------------------------------------
> > >
> > > Search the official Complete Avid-L archives at:
> > > http://archives.bengrosser.com/avid/
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> >
>
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