Patent ID: 7332670

Claim:
An automatic player for reenacting a performance on a musical instrument having plural manipulators for specifying the pitch of tones, a tone generator for producing said tones at said pitch and at least one manipulator for imparting an effect and another effect to said tones depending upon a stroke from a rest position, comprising: plural actuators associated with said plural manipulators and selectively energized for moving said plural manipulators between said rest positions and said end positions, an actuator associated with said at least one manipulator and energized for moving said at least one manipulator into an end section in the presence of a piece of music data representative of said effect and into a half section in the presence of another piece of music data representative of said another effect, a trajectory for said at least one manipulator being dividable into a rest section, said half section and said end section, a sensor producing pieces of control data representative of an actual position of said at least one manipulator on said trajectory, and a controller connected to said plural actuators, said actuator and said sensor and responsive to pieces of music data representative of a music passage so as selectively to energize said plural actuators and said actuator for producing said music passage, said controller being further responsive to pieces of test data representative of a simulative trajectory so as to move said at least one manipulator along said simulative trajectory overlapped with at least a part of said rest section, said half section and a part of said end section, thereby gathering said pieces of control data respectively paired with pieces of driving data representative of load on said actuator, said controller analyzing said pieces of control data respectively paired with said pieces of driving data so as to determine a mathematically unique point in said half section through arithmetic operations, whereby said controller brings said at least one manipulator to said mathematically unique point in the presence of said another piece of music data for imparting said another effect to said tones.