Music training apparatus
February 18, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3876936 3919913 Device for visually displaying the auditory content of the human voice Aural pitch recognition teaching device Automatic ear training apparatus Conversion of acoustic signals into visual signals Keyboard instrument teaching device Pitch analyzer Display device Apparatus for drilling pronunciation InventorApplicationNo. 198254 filed on 02/18/1994US Classes:84/477R, Indicators84/454Tuning devicesExaminersPrimary: Stanzione, Patrick J.Attorney, Agent or FirmInternational ClassG09B 015/02AbstractAn 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.Other References
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