Legacy limiter let user choose between soft and hard limiting. New limiter doesn’t, unless its controls under different names somehow do the same thing.
— With new limiter, how do I specify soft or hard limiting?
— if the new limiter has advantages over the legacy limiter, what are they and how do I use them?
The “Knee width” setting provides some control of the “hardness” of the new limiter. Smaller values is “harder”, and larger values “softer”. I would suggest using values in the range 0 to 3 dB.
Note that this is not exactly equivalent to “soft and hard” in the Legacy Limiter, but it is a similar kind of feature.
In my opinion, the only significant advantage of the new Limiter effect is that it can be used as a [Real Time Effect(Using master effects & realtime effects | Audacity Support).
I generally prefer to use the “Legacy Limiter” because I find it easier to achieve predictable results.
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Following. I was curious about whether the new limiter also has changes under the hood that make it ‘better’ than legacy?
New Limiter effect
Pros:
- Can be used as a real-time effect.
- Supports extreme amounts of limiting if required.
Cons:
- Output may be slightly over specified output level.
- Significant harmonic distortion.
Legacy Limiter
Pros:
- Very easy to use
- Extremely low distortion
- Limits to the exact level specified
- Supports soft and hard limiting
- Supports soft and hard clipping
Cons:
- Does not support real-time processing.
- Only suitable for normal amounts of limiting.
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