Patent ID: 7002070
Filing Date: 2006-02-21
Classification: G10H

Abstract:
1. In a digital piano having a keyboard, pedals, and a signal generator responsive to activation of the keyboard and the pedals to generate control signals representative of said activation, the improvement comprising: a first library which comprises digital samples representative of sound from a first model of grand piano; a first driving circuit responsive to said control signals to produce a first driving signal which represents said activation and which is derived from said digital samples of said first library; a second library which comprises digital samples representative of sound from a second model of grand piano; a second driving circuit responsive to said control signals to produce a second driving signal which represents said activation and which is derived from said digital samples of said second library, said first and second driving circuits producing said respective first and second driving signals simultaneously; at least one distributed mode loudspeaker arranged to be driven by said first driving signals; and at least one cone loudspeaker arranged to be driven by said second driving signals.