Music training apparatus
First Claim
1. A music training apparatus for teaching a student correct pitch and other musical skills by reference to a stored or pre-recorded musical sequence, comprising:
- display means for presenting a live image visible to the student,means for receiving a monophonic reference source and sending a variable signal in accordance therewith to the visual display means, so that the display means shows a sequence of pitch values, the monophonic reference source comprising desired pitches to be achieved by the student,means for providing an audible tone reference to the student in unison with the monophonic reference source and sharing the same fundamental sequence of tones as the monophonic reference source,pickup means for picking up intonations made by the student in attempting to follow the audible tone reference to produce a digitized waveform,means to detect amplitude and summed energy of digitized waveforms,means to produce a plurality of pitch determinations from the digitized waveform,means to choose one of said plurality of pitch determinations and produce a pitch track signal, andcomputer means for receiving pitch track signals from the pitch tracker means and for generating a signal to the display means, to display visually a temporal history of the series of intonations made by the student, superimposed with the desired sequence of pitch values as represented by the monophonic reference source and shown on the display.
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Abstract
An apparatus to assist the musical instruction of a student including one or more tone sources (e.g. flute, human voice, violin) playing monophonically as inputs, means to quantify aural parameters of pitch, amplitude, duration, and timbre of inputs, means to visually store and represent temporal history of said, means to store and playback audio signal of inputs, and means to arrive at and display musical related pitches. A digital waveform analyzer is used to control a tunable low-pass filter in the pitch tracker and preform spectral estimation of timbre. Also, a digital version is described. Pre-recorded music instruction and a karaoke player are used as examples of reference tone sources. Visual representation of aural parameters can be provided as video output.
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Citations
29 Claims
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1. A music training apparatus for teaching a student correct pitch and other musical skills by reference to a stored or pre-recorded musical sequence, comprising:
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display means for presenting a live image visible to the student, means for receiving a monophonic reference source and sending a variable signal in accordance therewith to the visual display means, so that the display means shows a sequence of pitch values, the monophonic reference source comprising desired pitches to be achieved by the student, means for providing an audible tone reference to the student in unison with the monophonic reference source and sharing the same fundamental sequence of tones as the monophonic reference source, pickup means for picking up intonations made by the student in attempting to follow the audible tone reference to produce a digitized waveform, means to detect amplitude and summed energy of digitized waveforms, means to produce a plurality of pitch determinations from the digitized waveform, means to choose one of said plurality of pitch determinations and produce a pitch track signal, and computer means for receiving pitch track signals from the pitch tracker means and for generating a signal to the display means, to display visually a temporal history of the series of intonations made by the student, superimposed with the desired sequence of pitch values as represented by the monophonic reference source and shown on the display. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A music training apparatus for teaching a student correct pitch and other musical skills by reference to a stored or pre-recorded musical sequence, comprising:
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a display; a storage system to store the pre-recorded musical sequence; an audio input transducer which converts sound made by a student into a digitized waveform; and a processing system coupled to the display, the storage system, the audio output transducer and the audio input transducer, the processing system including resources which send a variable signal to the display in accordance the pre-recorded musical sequence, so that the display shows a sequence of pitch values, pick up intonations made by the student through the audio input transducer in attempting to follow the sequence of pitch values, detect features of frames of the digitized waveform, produce a plurality of pitch determinations based on the detected features for the frames, choose one of said plurality of pitch determinations and produce a pitch track signal, and cause the display to graphically depict a temporal history of the series of intonations indicated by the pitch track signal, superimposed with the desired sequence of pitch values. - View Dependent Claims (29)
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Specification