FabFilter User Forum
Loudness Metering
I have studied the subject of loudness metering and since the release of FabFilter Pro L 2 I have revised on this subject.
I have read the online Pro L 2 help information from the FabFilter site, read many articles, blogs, looked at tons of images and watched many videos..
I understand to comply with the EBU R128 standard or various streaming platforms you aim for an INTEGRATED loudness target of -23 LUFS (EBU) or for streaming -14 LUFS (according to FabFilter).
I understand the INTEGRATED measurement is 'for a long-term measurement that combines all audio analyzed by the meter since the last reset'.
I've observed many engineers using the MOMENTARY (400 ms) and SHORT TERM (3 seconds) to measure the loudness of their signals.
My question is..
What is the MOMENTARY and SHORT TERM measurements for and do these measurements help you achieve your INTEGRATED loudness measurement?
These measurements seem important as there are MAX MOMENTARY/SHORT TERM readings..
Thank you
Andrew
Sry can't aswer.
I have just another question.
How i know that the lodness metering is correct?
Assuming i use FlStudio or Studio One.
Has ProL2 just to be the last plugin in my Effect chain.
And than is everything ok. When i Render.
Or is there anything else i have to keep my eyes on?
Hi Jay,
I've asked the same question in regards to FL Studio and FabFilter Pro L 2 within this forum and have also emailed FabFilter..
Image-Line recommend you render your project at 16 bit, 44.1 KHz while resampling with no less than 64-point sinc but suggest using the maximum 512-point since for the best quality.
But would you dither using the FL Studio dithering algorithm whilst rendering from FL Studio or would you use the FabFilter Pro L 2 algorithm to dither?
You should only dither once or you end up with more noise than necessary..
I believe in FabFilter and I completely trust their products. They produce professional software and I am going to use the FabFilter Pro L 2 for loudness metering without the need to look at any other loudness metering software.
I hope this has helped and keep an eye on my post dated 07 December and hopefully FabFilter will respond and if and when I'll copy third response in the post for us and other FL Studio users.
Andrew
THX Andrew!
Hi Andrew,
Regarding your original question: the integrated, momentary and short term measurements were proposed by EBU and this is the R128 standard. If you are producing audio for European broadcasting, you probably need to comply with these requirements:
tech.ebu.ch/docs/r/r128.pdf
However, they are generally useful for loudness normalization. In this case the short term and integrated measurements are most useful. But since short term only looks at the last 3 seconds of the signal (and momentary only 0.4 seconds), you need to watch it continuously. The integrated measurement combines everything so you end up with one final loudness reading for an entire song or even album.
The Max M/Max S readings are mainly to comply with the EBU standard.
Cheers,