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Beethoven’s Ear Patent Liability Analysis

Beethoven’s Ear Patent Liability Analysis. Nick Kwolek Martin Pendergast Stephen Edwards David Duemler. Outline. Project Overview Patent 1 - 4,479,416 Patent 2 - 4,945,804 Patent 3 - 4,392,406 Similar Product – Mic Notator. Project-Specific Success Criteria.

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Beethoven’s Ear Patent Liability Analysis

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  1. Beethoven’s EarPatent Liability Analysis Nick Kwolek Martin Pendergast Stephen Edwards David Duemler

  2. Outline • Project Overview • Patent 1 - 4,479,416 • Patent 2 - 4,945,804 • Patent 3 - 4,392,406 • Similar Product – MicNotator

  3. Project-Specific Success Criteria • An ability to sample an audio signal with appropriate input filtering. • An ability to transform an audio signal to the frequency domain in finite length sample windows. • An ability to determine the note names and durations based on the frequency spectrum and an internal metronome. • An ability to generate a musical score stored in a MIDI file, based on the analyzed data. • An ability to transfer the completed music file to a removable storage medium.

  4. Signal Processing Software • Currently a Matlab script • Possibility of Using Microchip IDE to directly comply code to dsPIC • If not, port code to C, then compile to dsPIC • Uses an FFT to create frequency spectrum • Window size: 4096 • Decimation and window lag can be varied • Selects the highest amplitude frequency as the fundamental

  5. Similar Art • Patent # 4,479,416 • Issued Oct 30, 1984 • Abstract: • A music transcription apparatus and method which do not require the use of a special electronic keyboard. • Microphone based • Uses a bank of matched filters

  6. Similar Art (cont) • Patent # 4,945,804 • Issued July 7, 1990 • Abstract: • A method and system for transcribing musical information that allows a musician or composer to enter both rhythmic and melodic information directly from a musical instrument • May enter melody and rhythm concurrently, or in two passes • Can determine beat unit dynamically, using a key press

  7. Similar Art (cont) • Patent # 4,392,406 • Issued July 12, 1983 • Abstract: • A system for transcribing a sequence of input analog signals having characteristic frequencies and durations into indicia which visibly reflect the frequencies and durations of input analog signals. • Uses zero crossing method.

  8. Similar Art (Cont) • Software tool – MicNotator • Produced by the Make Music Corporation • Part of the Finale music composition software suite • Abstract: • Uses a standard microphone connected to a computer • Pure software implementation • Limited to Brass/Woodwind instruments • Is covered by patents, in contact with the company to find out which they hold

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