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 Post subject: Re: BS.412 Limiter
PostPosted: Wed Dec 02, 2015 10:52 am 
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Joined: Wed Aug 20, 2014 9:32 am
Posts: 231
Location: Poland
Also another good practice is to tweak overall processing first and then - let BS.412 limiter adjust the level but only gently. It's never a good approach to let BS.412 do all the heavy lifting in gain reduction, while having balls-to-the wall settings in MB.

Actually I get quite decent results using the current BS.412. And you'd be surprised how much post MB gain or simply attack/release and treshoulds for highs and bass can affect BS.412 limiter's behaviour. The changes can be quite dramatic when MB isn't tweaked properly in the first place.

With the +3 dBr limit we have now in Poland I can adjust processing to stay within 2.0-3.0 (usually 2.5 for most content) with no ducking or noticable bass/highs cut-off's. Increasing headroom and dynamic range in BS itself helps as well.

Having said that - consider this as just a little hint from a "noob".

http://www74.zippyshare.com/v/b9QoEe6c/file.html
(Bass and highs limited to some greater extent in MB, yet it still appears heavy, while standing well within limits).

Image

this is one of the worst I caught, so still room for improvement in my preset :) :
Image

dBr's are just the numbers - you can't exceed'em, but on the other hand - there's abolutely no need to push, for example +3dBr sharp all the time, especially when the content is extremely variable. Better keep it swinging somewhere around target and even -1.5 from it (from time to time). When it sounds better that way, then why not? For instance, you can always stick to some arbitrary loudness level instead, like ITU BS.1770 - I definitely get much better consistence when sticking to this one, rather than dBr units. Just imagine a situation where on a hitlist a new Adele track follows some Calvin Harris remix (or the other way round) - not going to work well with dBr's strictly limited (or maxed out).


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 Post subject: Re: BS.412 Limiter
PostPosted: Thu Dec 03, 2015 6:10 pm 

Joined: Fri Jan 25, 2013 1:24 pm
Posts: 156
Location: Germany
Quote:
There was a bug in the current BS412 encoder: It didn't work properly in some cases for non-MPX output. I fixed it in 784-BETA002. If any of you is using it without generating MPX, can you check if this version works better? (It should!!)
Sorry, for my part only using it "the proper way" with MPX-Out ;)


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