Loudness shift when Mastering to EBU R128

Hey guys,.

first assignment of time here - I really hope you guys can help. Thanks in advance!

The gist of it:

When you export a project of PP or by ME in any format in that there is an ever-changing program Loudness of + READ 3.7 or approximately + 4 db. What happens here? This can be corrected?

UPDATE: Changes in volume actually vary slightly between episodes (i.e. time) more than thought before, but still are a significant factor. The lowest SHIFT was whacked 3 LU, LU 3.7 higher.

The detailed Version:

We are a series of short programs for German television and that you are using for the first time for the production of TV PP. Now the TV production means that we must stick to the EBU R128 Loudness guidelines fairly strictly or our masters will be rejected. This is why it is of great concern to us. We are audio mastering within the PP (not hearing since pp, we can directly route the channels to the MXF) using Loudness Radar on the main mix to R128 (LUFS-23 objective I have Loudness). PP inside the readings show exactly LUFS-23 (see Screenshot) but after export in different formats (MXF, H264, MPG2) with PCM Audio and no greater standardization loudness by LU 3.7 breaks (see Screenshot).

Currently the workaround is the lowest the captain follow at - 4dB, which produces somewhat accurate results but still not perfect (see Screenshot B). In this way, we are in tolerance but not on site and also the range of loudness is changed regularly, regardless of the output format.

Someone at - he had similar experiences?

Troubleshooting of the measures taken:

-Disabled all effects of effects/track Master track

-Cross Checked measurements of the files end up in hearing and installation of external positions with ProTools, they conform

-Reproduces the problem in all the episodes, moved to timeline in a new project file

Details of the project:

Project is implemented as a sequence of 8 channels with tracks routed to submixes routed to MXF/output channels. Multiplexing works fine (everything is where it is supposed to be in the transcoded file). It is the only difference to any other project that I can tell. Source material varies, but all produced the same result.

System details:

First Pro CC2015.3 (10.3) on end 2013 27 "iMac (Yosemite 10.10.5)

Loudness Comparison A.jpg

Loudness Comparison B.jpg

A way around the problem is to add a temporary void stereo mix track and send all your rods to that. Add radar to the submix and adjust levels, when they correct reconfigures your console to mix back in as you.

Tags: Premiere

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