[LAU] ebur128 batch processing

grh grh at mur.at
Sun Mar 16 09:47:26 UTC 2014


Hallo!

>> Any chance to do it as batch process?
>> Result quality is critical as material will be broadcast on TV.
> 
> hard problem. quickest solution: find somebody with a hardware leveller
> (jünger etc.) and pipe it through.
> 
> problem is that there is no straightforward way from an initial loudness
> measurement to a level change that predictably hits the -23 dbLUFS mark.

Well, it's not really hard if you have the whole file already.
Shameless self promotion: https://auphonic.com

> 
> can i ask which broadcaster mandates -3dB true peak? that seems quite
> conservative.

For lossy audio codecs it's required to use -3dB True Peak in the
official EBU R128 document.
For lossless audio -1dBTP should be used ...

LG
Georg


-- 
auphonic - automatic audio post production
http://auphonic.com
audio development, machine learning, open source and more

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