| 摘要 |
An acoustic guitar is fitted with a fingering display embedded in its fretboard. A fingering-display processor with tempo control allows a user to select a tune to practice and the speed of tempo to use. The user is progressively shown where to finger each successive note and chord in a tune. A fingering extraction processor downloads fingering patterns that have been discerned from input tunes that are whistled, hummed, played on another instrument, or performed by an orchestra. A microphone is used to capture ambient sounds, and an electronic audio input is used to collect recorded or broadcast performances. The fingering extraction processor is implemented with a digital signal processor that samples analog audio inputs. Such inputs are filtered for noise and interstitial breaks indicating start-end of play. Orchestral performances are filtered by voice to create a guitar fingering arrangements. The fingering extraction processor can be collocated with the fingering display processor. And the fingering display processor can be attached to or integrated within a guitar.
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