I suspect that, in the Casio samples and in other samples in hardware:
1. Harder strikes were recorded, and then set to lower velocity ranges. This eliminates problems with the noise floor on soft samples. (Problems that can be solved, now, with digital recording and better mics and preamps with low self-noise.)
2. A great deal of compression and\or a limiter was involved--the goal being to make the softer sounds louder by raising the output after compressing or limiting. This process of course makes soft strikes, and softer hammer strikes louder.
In other words, a hardware instrument probably isn't a good touchstone for achieving an acoustic piano sound. HOWEVER: I love the sound of many hardware instruments--some of the Yamaha Motif pianos, some of the Kurweil, and Roland, and others. I fully support the idea of creating sounds that are closer to them, which may approximate the way a piano is mic'ed and hyped in a studio or on stage--with compression and a limiter.
I also sometimes wonder: When creating reference samples for each piano, does Modartt capture loud samples with the mics placed near the hammers, or is this sound extrapolated from samples taken from other mic'ing positions? I certainly understand why taking the samples from other mic'ing positions would in many ways be more valuable--the samples would not contain all of the semi-chaotic noise of a hard strike mic'ed near the hammer, noise that would not figure into calculating the timbre of lower-velocity strikes. Yet, if this semi-chaotic noise is instead imposed based on inharmonicity calculations and a general formula for the timbre of hammer strikes, how much might be missing? Do our ears register the "noise" better than might be assumed when listening to a piano? Might we need it to be fully convinced for an emulation?
And I wonder if the mics or mic emulations might be a worry--only one set of small diaphragm mics was used, or is modelled, and they are said to be better at capturing transients. In other words, the hardest strikes, where there will be the most transient noise, are recorded, in almost all of the presets, with the mics that are least suited for recording transients. Or were the DPA's used at all for recording? Were they instead modelled?
Which leads to the worry that comes from combining these two worries--if no near-hammer strikes were actually recorded for reference samples, and if the DPA mics were modelled instead of used for recording. That situation would mean that the "accuracy" of the hard strike sound near the hammers is risked at two stages.
Last edited by Jake Johnson (16-03-2020 17:39)