OBTAIN: Real-Time Beat Tracking in Audio Signals
Ali Mottaghi, Kayhan Behdin, Ashkan Esmaeili, Mohammadreza Heydari,, and Farokh Marvasti

TL;DR
OBTAIN is a real-time beat tracking system that uses onset strength and cumulative beat signals to accurately detect beats in audio signals, demonstrating superior accuracy and practical performance.
Contribution
The paper introduces OBTAIN, a novel real-time beat tracking algorithm that outperforms existing methods in accuracy with efficient computation.
Findings
Outperforms state-of-the-art beat tracking methods in accuracy
Maintains practical computational complexity for real-time use
Demonstrates effective real-time performance in simulations
Abstract
In this paper, we design a system in order to perform the real-time beat tracking for an audio signal. We use Onset Strength Signal (OSS) to detect the onsets and estimate the tempos. Then, we form Cumulative Beat Strength Signal (CBSS) by taking advantage of OSS and estimated tempos. Next, we perform peak detection by extracting the periodic sequence of beats among all CBSS peaks. In simulations, we can see that our proposed algorithm, Online Beat TrAckINg (OBTAIN), outperforms state-of-art results in terms of prediction accuracy while maintaining comparable and practical computational complexity. The real-time performance is tractable visually as illustrated in the simulations.
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Taxonomy
TopicsMusic and Audio Processing · Speech and Audio Processing · Music Technology and Sound Studies
