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In this paper, we use a data-driven approach for the tonic-independent transcription of strokes of the mridangam, a South Indian hand drum. We obtain feature vectors that encode tonic-invariance by computing the magnitude spectrum of the constant-Q transform of the audio signal. Then we use Non-negative Matrix Factorization (NMF) to obtain a low-dimensional feature space where mridangam strokes are separable. We make the resulting feature sequence event-synchronous using short-term statistics of feature vectors between onsets, before classifying into a predefined set of stroke labels using Support Vector Machines (SVM). The proposed approach is both more accurate and flexible compared to that of tonic-specific approaches.
Author (s): Anantapadmanabhan, Akshay; Bello, Juan; Krishnan, Raghav; Murthy, Hema
Affiliation:
Indian Institute of Technology Madras, Chennai Tamil Madu, India; New York University, New York, NY, USA
(See document for exact affiliation information.)
Publication Date:
2014-01-06
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Session subject:
Automatic Music Transcription
Permalink: https://aes2.org/publications/elibrary-page/?id=17102
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Anantapadmanabhan, Akshay; Bello, Juan; Krishnan, Raghav; Murthy, Hema; 2014; Tonic-Independent Stroke Transcription of the Mridangam [PDF]; Indian Institute of Technology Madras, Chennai Tamil Madu, India; New York University, New York, NY, USA; Paper P2-2; Available from: https://aes2.org/publications/elibrary-page/?id=17102
Anantapadmanabhan, Akshay; Bello, Juan; Krishnan, Raghav; Murthy, Hema; Tonic-Independent Stroke Transcription of the Mridangam [PDF]; Indian Institute of Technology Madras, Chennai Tamil Madu, India; New York University, New York, NY, USA; Paper P2-2; 2014 Available: https://aes2.org/publications/elibrary-page/?id=17102
@article{anantapadmanabhan2014tonic-independent,
author={anantapadmanabhan akshay and bello juan and krishnan raghav and murthy hema},
journal={journal of the audio engineering society},
title={tonic-independent stroke transcription of the mridangam},
year={2014},
number={P2-2},
month={january},}