Method and apparatus for recording and reproducing pedalling eff

Details Method and apparatus for recording and reproducing pedalling eff Method and apparatus for recording and reproducing pedalling eff

1982-04-23

1984-05-29

Griffin, Donald A.

Music

Accessories

Recording devices

G10G 304

Patent

active

044507496

ABSTRACT:
A grand piano or a vertical piano is equipped with a proportional sensor and a proportional actuator, both connected to the damper lifter tray (in a grand piano) or damper actuator bar (in a vertical piano). During a piano performance the instantaneous position of the lifter tray or actuator bar as the case may be is sensed and recorded, in addition to the keyboard activity. At a later time when the performance is reproduced, the actuator positions the lifter tray or actuator bar, as the case may be, in such a way that the dampers are positioned in an imitation of the way they were positioned during the original performance. The result is that subtle pedalling effects formerly lost are accurately reproduced. The method and apparatus of the invention apply equally well to the soft pedal as to the sustaining pedal, both of which affect the vibrating characteristics of the piano strings.

REFERENCES:
patent: 4307648 (1981-12-01), Stahnke
patent: 4351221 (1982-09-01), Starnes et al.

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