MUSICAL INSTRUMENT TUNING
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United States of America Patent
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Issued Date -
Mar 4, 2021
app pub date -
Aug 29, 2019
filing date -
Aug 29, 2019
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Abstract
A digital tuner that determines a tuning target period; receives an audio signal from an instrument to be tuned; obtains a plurality of different segments of the audio signal starting at times that correspond to integer multiples of the target period; produces waveform samples from the segments; and displays of a succession of waveform segments at same display position using said segments so that the shape of the waveform appears to move on the display at a speed and direction directly dependent on a difference of a wave period of the audio signal to be tuned and the tuning target period.
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