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All Journal INOTEKS : Jurnal Inovasi Ilmu Pengetahuan, Teknologi, dan Seni BERKALA FISIKA POSITRON JFA (Jurnal Fisika dan Aplikasinya) Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA Jurnal Ilmu Fisika dan Terapannya (JIFTA) TPACK-IPA (Technological Pedagogical Content Knowledge)
Nur Kadarisman
Jurusan Pendidikan Fisika, Universitas Negeri Yogyakarta, Jl. Colombo No. 1, Yogyakarta
Arts Humanities Astronomy Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Mathematics Physics

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Journal : POSITRON

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Automatic Recognition of Pelung and Canary Bird Sounds Using Machine Learning and Signal Enhancement Agustika, Dyah Kurniawati; Kadarisman, Nur; Sumarna, Sumarna; Purwanto, Agus
POSITRON Vol 15, No 1 (2025): Vol. 15 No. 1 Edition
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam, Univetsitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/positron.v15i1.93137

Abstract

Bird sound classification is a valuable tool in ecological monitoring and species identification, particularly for non-invasive assessment in natural environments. However, challenges such as limited labeled data and environmental noise often reduce the reliability of classification models. This study presents a lightweight bird sound classification pipeline that integrates signal preprocessing, audio augmentation, and machine learning to address these issues. Two bird species with distinct vocal characteristics, Pelung (a crossbreed involving Bangkok chickens) and Canary (Serinus canaria), were used as case subjects. A total of 40 original 2-second audio clips were extracted from longer field recordings, then processed through frame-based energy attenuation, bandpass filtering (1"“8 kHz), and RMS normalization. Ten augmentation techniques were applied to each original file to improve generalization, generating 400 augmented files for model training. Feature extraction was performed using 13-dimensional Mel Frequency Cepstral Coefficients (MFCCs), and Principal Component Analysis (PCA) was used to visualize the effect of filtering. Classification was conducted using a Support Vector Machine (SVM) with a radial basis function (RBF) kernel. Results showed that filtering improved classification accuracy from 90% to 95% on the original data. Furthermore, using only augmented data for training and original data for testing yielded 100% classification accuracy, demonstrating excellent generalization. This study highlights the effectiveness of combining adaptive preprocessing and augmentation for reliable bird sound classification under limited and noisy conditions.
Co-Authors AGUS PURWANTO Agus Sugiarto Agustika, Dyah Kurniawati Anggiyani Ratnaningtyas Eka Nugraheni Cahyo Budi Aditya Dadan Rosana Dina Dina Dyah Kurniawati Agustika Edi Istiyono Fitria Ayu Sulistiani Hendry, Doni Indah Annisa, Diena Krisanlo, Endiko Purwanti W Hastuti Purwanto, Agus Puspita Priatiningtyaz Rhyko Irawan Wisnuwijaya Sumarna Sumarna Susilowati Susilowati Suyoso Suyoso Wipsar S.B. Dwandaru Wipsar Sunu Brams Dwandaru