Biblioteca de la Guitarra y Cuerda Pulsada

Biblioteca de la Guitarra y Cuerda Pulsada

Real-time software electric guitar audio transcription

Guitar audio transcription is the process of generating a human-interpretable musical score from guitar audio. The musical score is presented as guitar tablature, which indicates not only what notes are played, but where they are played on the guitar fretboard. Automatic transcription remains a challenge when dealing with polyphonic sounds. The guitar adds further ambiguity to the transcription problem because the same note can often be played in many ways. In this thesis work, a portable software architecture is presented for processing guitar audio in real time and providing a set of highly probable transcription solutions. Novel algorithms for performing polyphonic pitch detection and generating confidence values for transcription solutions (by which they are ranked) are also presented. Transcription solutions are generated for individual signal windows based on the output of the polyphonic pitch detection algorithm. Confidence values are generated for solutions by analyzing signal properties, fingering difficulty, and proximity to previous highest confidence...

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