Every synth here is the keyboard's own voice for that note and velocity. Ported into the keyboard: mf Ab5 body attack 50% + knock 120% (20 ms) + soundboard glow; mf C6 uses C7's mf body at 70% with a closing low-pass (1.41 kHz → 150 Hz at 400 ms → 60 Hz at 800 ms) + measured thump + soundboard glow. The same recipes at pp 48 and ff 255 (C6, Ab5; ff C7 and Ab6 with decays capped at 120 ms) are also in the keyboard; their sliders below try changes on this page only. In-between velocities crossfade the three dynamics; key release fades glow with the strings. Each note uses one gain matching synth first-400-ms RMS to the original (attenuation only). Synth excerpts: eight seconds.
Open keyboard at 144 · Original samples
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