Real-time Chord Recognizer using HMM and Chroma Feature

We implement a real-time chord estimation system based on the hidden Markov model (HMM) using
chroma features. HMMs, with the Viterbi decoding algorithm, have proven a powerful tool for chord recognition in polyphonic music signals. However, the direct application of the traditional, non-causal, decoding approach is not the optimal choice for real-time processing, with limited memory capabilities and no access to future observations. We propose a system of buffers and a modified decoding pro-
cess that approximates offline results while minimizing the systems latency.

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[SPEESHBEATS]

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[spanishjointdos]

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[Sunyatasattva]

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