Authors:

Ryan Thomas Jordan

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About Paper:

Musicians often rehearse together to prepare for performances, but busy schedules and geographic distance can make group practice challenging. To address this issue, we are developing Companion, a real-time musical accompaniment system designed for non-improvised music. Companion processes a MusicXML score to generate two tempo-matched audio tracks: one for the musician's part and one for the accompaniment. Using online time warping (OTW), Companion aligns a live recording of the musician with the synthesized audio, adjusting the playback rate of the accompaniment in real-time according to the musician's progress through the score. We evaluate Companion's performance against existing score following systems and measure its synchronization accuracy by tracking the average accompaniment error between the musician and Companion. Our results demonstrate that Companion accurately tracks the musician's position and effectively synchronizes the accompaniment. Future work could enhance the system's stylistic flexibility by adjusting dynamics and articulations in response to the musician's interpretative commands. Keywords: Musical Accompaniment; Online Time Warping; Audio Synthesis

Source:

Purdue University / 2024

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Co-authors:

Ryan Thomas Jordan