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AGUS PURWANTO
Department of Chemical Engineering, Sebelas Maret University, Surakarta National Center for Sustainable Transportation Technology, Bandung, Indonesia
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Journal : Jurnal Sains Dasar

 1 
FREQUENCY COMPONENT EXTRACTION OF HEARTBEAT CUES WITH SHORT TIME FOURIER TRANSFORM (STFT) Sumarna, Sumarna; Purwanto, Agus; Agustika, Dyah Kurniawati
Jurnal Sains Dasar Vol 5, No 1 (2016): April 2016
Publisher : Faculty of Mathematics and Natural Science, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (431.871 KB) | DOI: 10.21831/jsd.v5i1.12658

Abstract

Abstract Electro-acoustic human heartbeat detector have been made with the main parts : (a) stetoscope (piece chest), (b) mic condenser, (c) transistor amplifier, and (d) cues analysis program with MATLAB. The frequency components that contained in heartbeat. cues have also been extracted with Short Time Fourier Transform (STFT) from 9 volunteers. The results of the analysis showed that heart rate appeared in every cue frequency spectrum with their harmony. The steps of the research were including detector instrument design, test and instrument repair, cues heartbeat recording with Sound Forge 10 program and stored in wav file ; cues breaking at the start and the end, and extraction/cues analysis using MATLAB. The MATLAB program included filter (bandpass filter with bandwidth between 0.01 – 110 Hz), cues breaking with hamming window and every part was calculated using Fourier Transform (STFT mechanism) and the result were shown in frequency spectrum graph. Keywords: frequency components extraction, heartbeat cues, Short Time Fourier Transform
Co-Authors ', Susilatri ', Yusralaini - Isdiyarto Adhy Karyo Nugroho Aditya Sukma Pawitra Agung Budiarto, Agung Agustika, Dyah Kurniawati Angga Rahabistara Sumadji Anindita Putri Nurmalita Sari Aris Mukimin Arkhan Subari Arum Purwandari Bagus, Asep Budiyono Budiyono Cahyani, Erlien Dwi Chintya Fadila Laksmitaningrum Cholid Syahroni, Cholid Darmadi, Eko Agus Dhanindra Prabowo, Dhanindra Dwi Harjanto, Ganang Dwi Ratmono Emha Taufiq Luthfi Fathurrahman, Hanif Muhammad Fatkhurrahman, Januar Gde Sastrawangsa, Gde Ginzania, Maria Hadion Wijoyo Hakim, Much Azizum Hanny Vistanty, Hanny Heny Kusumayanti HERY WINARSI Hidayah Dwiyanti I Kadek Ariana, I Kadek Ida Hayu Dwimawanti Ihyaul Ulum Imam Ghozali Irnaning Handayani, Novarina Ischiadica Elharomy Jidanah Darmiyati Kuncoro Diharjo Leo Eladisa Ganjari M. Suyanto, M. Mega, Yuan Mety Nuraini Miratul Atiqah Misbachul Moenir, Misbachul Nasikhah, Lulukatin Nelza, Audea Briliana Nilawati Nilawati Nur Cahyonowati Nur Zen, Nur Paryanto Paryanto Pradana, Satria Edvan Nanda Prakoso, Ganang PRISILA, INGKA Purwaningrum, Fajar Adhi Rame Rame, Rame Reny Yesiana Rosita, Galuh Chynintya Rosita Ruliaty, Lisa Saputro, Ignatius Rinanto Cipto Dwi Silvy Djayanti Silvy Djayanti, Silvy Siwi P. M. Wijayanti Stephani Novitasari Christianingsih Kaluti Suharto, Toni Suherman, Alex Lukmanto Sumarna Sumarna Sunarsi, Denok Syarifa Arum Kusumastuti, Syarifa Arum Wicaksono, Kukuh Aryo Windyandari, Aulia Windyandari wipsar sunu brams dwandaru Wisnuwijaya, Rhyko Irawan Yanti, Plapiana Yudanto, Yusuf Arya Yulita Setiawanta Yusim, Adi Kurniawan Yuvita Avrie Diany