I've tried the demo because the target loudness matching seemed interesting. It doesn't work like I expected though, it's too "unstable", at least with percussion tracks. What I often do is play a beat and then cycle through drum samples which often have very different volumes so a tool that can automatically compensate for that would be very helpful.
Does anyone use this feature successfully?
And another question, there is no LUFS matching, right?
GainMatch by LetiMix
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- KVRist
- 316 posts since 12 Mar, 2004
Yes, I have used gainmatch regularly and its working well within the limits of the right expectations. It can't do magic. The loudness produced on the input before the input instance and in the proceessing chain before the output instance must be somewhat predictable. If you change samples on the input all the time with varying levels, or process the signal unpredictably, it needs to measure and adjust the loudness new all the time. This takes a few hundred milliseconds to seconds. For one-shot drum samples of varying levels, this approach is doomed to fail in my opinion. Other similar products like ABLM won't be any better at this.
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- KVRian
- 871 posts since 20 Jun, 2010
I'm using only one instance in this case, to match the sample to a target loudness. Of course I do not expect it to act instanly after I switch samples. I expect it to "settle in" after a few seconds and be somewhat stable, but it looks like the algorithm is not made for this because it is constantly moving around. The whole point is that I can listen through a bunch of samples without having to adjust gain manually.
I've just tried it on a clap and it wasn't even able to do the calculation because apparently the sample is too short. It looks like the sample must be 0.5s or longer because this is the lowest RMS time you can set.
I've just tried it on a clap and it wasn't even able to do the calculation because apparently the sample is too short. It looks like the sample must be 0.5s or longer because this is the lowest RMS time you can set.
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- KVRist
- 316 posts since 12 Mar, 2004
The problem with uneven one-shot drum samples is that you are dealing with irregular transients. You could try a compressor with fast attack and limiter after to even them out dynamically. But that is overall pretty pointless for auditing transient heavy sounds - you are destroying what you look for. I don't believe there is a proper solution for your problem (that i know of) except maybe some overall offline preprocessing on all samples you want to audition beforehand to level out the energy based on comparisons among all of them. Gainmatching plugins that determine loudness dynamically and then level according to it always need some time for measurement.