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Using Loudness Radar to mix a commercial for broadcast – what are some typical values / limits for broadcast?
Hi guys, I’m mixing a commercial that I’m delivering via a file to the network. They only need a stereo mix so I’m doing the final mix. I can load the Loudness Radar onto my master track and I understand how it works but I don’t have specs from the network – what are some typical values I need to adhere to? Should I be watching my LRA or Program Loudness? I tried looking for a good 101 video or article on using Loudness Radar or how to keep a commercial dynamic sounding but legal however couldn’t seem to find anything. Could someone shed some light on this or point me in the right direction?
EDITOR
Features : Television : Commercial
http://www.BryanRobertsEditor.com -
4 Replies
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Bryan –
Every station should have a spec sheet with the technical specifications for broadcast spots or programming. Generally you can get a link to them either by looking on their website (some of them hide it well), or calling their Production Manager or an Account Rep. Here’s an example of one from the Discovery Channel:
https://www.mediacom.com/media/2546088/discovery.pdf
I don’t suggest you use these specs – they vary from station to station.
Joe Bourke
Owner/Creative Director
Bourke Media
http://www.bourkemedia.com -
true, they do vary in video formats but all of them now conform to Calm Act levels as far as sound goes.
Bryan with the loudness radar loaded, a range of -23 -24 is good.
It should not be going below -22 while playing it through.
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Thanks guys.
Chris – when you say it shouldn’t be going below -22, do you mean lower like -25 or lower meaning like -18?
This is what mine looks like right now for this 1 minute spot. I saw the peak light turn red for one quick blip but only that one very quick moment. How does this look – would this be broadcast legal and at the same time, I certainly don’t want it to be a lot lower than the broadcast…
EDITOR
Features : Television : Commercial
http://www.BryanRobertsEditor.com -
ya the -18 is too hot. should not go lower than -22 (towards zero)
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