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Old 01-13-2022, 08:43 PM   #1
scaler123
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Join Date: Nov 2021
Posts: 3
Default Normalize Changed At 6.44 (Bug or Feature)

Summary: Simple edit of a single mp3 file. Prior to version 6.44, normalize would raise levels as high as possible without clipping. Sorry for the lame description, but I'm a novice at Reaper and audio editing/production. At any rate, after updating to 6.44, when clicking Normalize, a different window comes up, and when doing the normalize, the result is clipped-beyond-belief audio, that sometimes even causes auto-muting. To reproduce:

- Open Reaper
- Drag an mp3 audio file into Reaper
- Right-click the item, then click Item Properties
- Click Normalize

A different window compared to prior versions pops up, defaulting to LUFS-1. The modified audio is clipped to the point that it's not usable.

I've attached screen shots that show the changed behavior. Hopefully the titles of the images are sufficient to explain what I'm seeing.

OS Name: Microsoft Windows 10 Pro
OS Version: 10.0.19044 N/A Build 19044

System Manufacturer: Gigabyte Technology Co., Ltd.
System Model: B550M AORUS PRO-P
System Type: x64-based PC
Processor(s): 1 Processor(s) Installed.
[01]: AMD64 Family 23 Model 113 Stepping 0 Authentic AMD ~3600 Mhz
32 GB RAM

Focusrite Scarlet 4i4 3rd Gen

Thanks for looking at this!
Bruce

Last edited by scaler123; 01-13-2022 at 08:55 PM.
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Old 01-19-2022, 08:32 PM   #2
scaler123
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Join Date: Nov 2021
Posts: 3
Default

Quote:
Originally Posted by scaler123 View Post
A different window compared to prior versions pops up, defaulting to LUFS-1. The modified audio is clipped to the point that it's not usable.
Teachable moment... for me. I learned that apparently, the method of normalization was either peak or true peak. Setting to these values gives what I assumed was the default behavior. Now that I know more about what is going on, I'll go back and read the release notes and other documentation, and see what I missed

Bruce
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