OSX 10.7 or later (Catalina, Big Sur and Monterey ready).MetaPiano sits in just 60MB of memory and has an introductory price of $59 (normally $89). The result is a comprehensive virtual grand piano with full decay for every note (up to 1m 30s in the bass register) with no looping, no velocity switching or noise. Play is for working with the piano sound and making adjustments, Browse is the library for storing various configurations, and Settings lets you control sample rates, input channels etc. The user interface is essentially a single page with three menus, Play, Browse and Settings. MetaPiano: the Browse section for storing presets A Get More Models link on the main screen brings up the message “More MetaPiano Models Coming Soon”. It would seem that MetaPiano is going to be the host for various other virtual acoustic pianos. MetaPiano’s initial sound is based on a Japanese concert grand - Sampleson doesn’t reveal which one, but it looks like a Yamaha! Detailed analysis of the instrument took place in a remote Patagonian recording studio. Now Sampleson has come up with a third, and this is the least expensive of the bunch. And for over a decade there have only been a couple of modelled virtual grand pianos around ( Modartt Pianoteq, Arturia Piano V). Modelling is really difficult to get right. Finally, the two signal paths are combined to produce the overall output.
And a filtered white noise source re-synthesises the noise element. The harmonic content is created by stacking sine waves. These two parts are then modelled separately. This is removed from the signal leaving the noise element.
The harmonic content is identified by detecting the regular peaks of the piano’s waveform. In simple terms, the sound of a piano is split into deterministic (harmonic) and stochastic (noise) elements. Spectral modelling synthesis (SMS), as used here, is a way of recreating sounds based on their harmonic and noise content.
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