Joint Recognition of Raag and Tonic in North Indian Music

Author:

Chordia Parag1,Şentürk Sertan2

Affiliation:

1. Smule 577 College Avenue Suite 200, Palo Alto, California, 94306 USA.

2. Music Technology Group, Universitat Pompeu Fabra, Roc Boronat, 138, 08018 Barcelona, Spain.

Abstract

In many non-Western musical traditions, such as North Indian classical music (NICM), melodies do not conform to the major and minor modes, and they commonly use tunings that have no fixed reference (e.g., A = 440 Hz). We present a novel method for joint tonic and raag recognition in NICM from audio, based on pitch distributions. We systematically compare the accuracy of several methods using these tonal features when combined with instance-based (nearest-neighbor) and Bayesian classifiers. We find that, when compared with a standard twelve-dimensional pitch class distribution that estimates the relative frequency of each of the chromatic pitches, smoother and more continuous tonal representations offer significant performance advantages, particularly when combined with appropriate classification techniques. Best results are obtained using a kernel-density pitch distribution along with a nearest-neighbor classifier using Bhattacharyya distance, attaining a tonic error rate of 4.2 percent and raag error rate of 10.3 percent (with 21 different raag categories). These experiments suggest that tonal features based on pitch distributions are robust, reliable features that can be applied to complex melodic music.

Publisher

MIT Press - Journals

Subject

Computer Science Applications,Music,Media Technology

Cited by 18 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Investigation into the Identification of Ragas: A Detailed Analysis;2024 4th International Conference on Data Engineering and Communication Systems (ICDECS);2024-03-22

2. Regression Approach for Shruthi Identification from Indian Classical Instrumental Polyphonic Audio;Advances in Intelligent Systems and Computing;2024

3. Automatic Tonic Pitch Estimation in South Indian Classical Music using Frequency- ratio Method;2023 International Conference on Intelligent Systems for Communication, IoT and Security (ICISCoIS);2023-02-09

4. Automatic music transcription for sitar music analysis;Journal of New Music Research;2022-10-20

5. On the concept of Raga parentage in Carnatic music;Journal of New Music Research;2022-10-20

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