Synthogy Ivory II Upright Pianos, sample based Piano Plug-In, 4 hand selected Upright Pianos including, Yamaha U5 Modern Upright, 1914 A.M. Hume Vintage Upright, Honky Tonk, Barroom Upright, Real Tack Piano, Includes the Award-winning Ivory II piano engine, More than 84 GB Core Library, Harmonic Resonance Modeling for True Sympathetic String Resonance, Custom Upright Soundboard Emulation DSP, Separate, selectable "creaks and clunks" layer, for added character, Half-pedaling, Pedal Noise Enhancements, Synthogy’s exclusive, powerful 32 bit Sample Playback and DSP engine, designed specifically for recreating the acoustic piano, Release samples triggered by velocity and duration, Timbre-shifting, Parametric EQ and new Synth Layer controls for powerful sound sculpting capabilities, All 88 keys individually sampled in up to 16 dynamic levels, Incorporates exclusive Sample Interpolation Technology used for ultra-smooth velocity and note transitions, digital FX including Real Ambience, Chorus and EQ, Customizable User Controls for Timbre, Stereo Width and Perspective, Velocity Response, Mechanical Key Noise, Lid Position and more, Tuning Tables, Formats: AU, RTAS, VST 2.0, Standalone, Win XP SP2 and hihger, Mac OS X 10.4.11 or higher (PPC and Intel), requires optional Pace iLok 2 (order code: 257900) for online authorisation