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All Journal Jurnal Ilmiah Informatika Komputer MATICS : Jurnal Ilmu Komputer dan Teknologi Informasi (Journal of Computer Science and Information Technology) Elkom: Jurnal Elektronika dan Komputer INFORMAL: Informatics Journal E-Dimas: Jurnal Pengabdian kepada Masyarakat RABIT: Jurnal Teknologi dan Sistem Informasi Univrab JITK (Jurnal Ilmu Pengetahuan dan Komputer) KOMPUTIKA - Jurnal Sistem Komputer JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Cyber Security dan Forensik Digital (CSFD) CICES (Cyberpreneurship Innovative and Creative Exact and Social Science) Jurnal Abdidas Indonesian Journal of Data and Science Jurnal Nuansa Akademik: Jurnal Pembangunan Masyarakat Jurnal Minfo Polgan (JMP) Buletin Sistem Informasi dan Teknologi Islam Ilmu Komputer untuk Masyarakat DEVOTE: Jurnal Pengabdian Masyarakat Global Jurnal (FORSINTA) Informatika, Sistem Informasi dan Kehutanan Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi) Celebes Journal of Community Services CSRID Jurnal Pengabdian Kepada Masyarakat Variable Research Journal Journal of Information Technology and its Utilization Linier: Literatur Informatika dan Komputer Journal of Computer Science & Intelligent Systems
Erick Irawadi Alwi, Erick Irawadi
Universitas Muslim Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Transportation Other

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Journal : journal of computer science

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Implementation of Audio Forensic Methods in the Identification of Digital Evidence from Voice Recordings Izzahara Zalzabila; Erick Irawadi Alwi; Farniwati Fattah
NEXCORE: Journal of Computer Science & Intelligent Systems Vol. 1 No. 1 (2026): Article Reseach
Publisher : Soratekno Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59696/nexcore.v1i1.256

Abstract

The advancement of technology has increased convenience in various daily activities, but it has also heightened the potential for misuse in criminal acts such as fraud, corruption, theft, and the dissemination of hoax information. Digital evidence, including files, images, audio, and video, often plays a crucial role in criminal investigations. Each type of digital evidence requires a specific analytical method, one of which is audio forensics. Audio forensics is a sound analysis method aimed at enhancing speech clarity and reducing noise, thereby providing important clues in investigative processes. Tools such as Praat are used to compare allegedly manipulated voice recordings with original voice samples. This study aims to identify digital evidence in the form of voice recordings using Praat and audio forensic methods. By analyzing voice characteristics such as pitch, formant, and spectrogram, this research seeks to determine the similarity between evidentiary recordings and reference samples as well as to perform audio enhancement. The results indicate that in the pitch analysis stage, the samples of Yuki, Sakinah, Sonia, Marwah, and Salsa were identical to the evidence recordings. Furthermore, formant analysis revealed that the samples of Yuki, Sonia, and Salsa were identical to the evidence, while spectrogram analysis showed that only the Salsa sample matched the evidence recordings.
Co-Authors Abd Hamid Ade Gustiyonoo Adhitya Nugraha Ahmad Qayyum Ibnu Hidayat Aidil Wijaya Kusuma Ainur Rahma Almagfirah Andi Rahmat Aulia Andy Aprianto Asman Haris Asran Asran As’ad, Ihwana Atmajaya, Dedy Dedy Atmajaya Diah Ayu Retnani Diah Ayu Retnani, Diah Ayu Dolly Indra Dolly Indra Farniwati Fattah Fathur Rahman Fatwa Hadi Ilham Pamungkas Faudiah Anwar Fifi Febrianti Usman Fitriyani Umar Gaffar, Andi Widya Mufila Gery Ardiansyah Saputra Hargiani, Fransisca Xaveria Hasanuddin, Tasrif Herdianti Herdianti Herman Herman Hidzrullah Ash Syuhrawardi Huzain Azis Ihramsari Akidah Ihwana As’ad Irawati Irawati Isnan Sinusi Izzahara Zalzabila Jasmaniar Jezika Anastazya Julisa Karina Fitriwulandari Ilham Lokapitasari Belluano, Poetri Lestari Lutfi Budi Ilmawan, Lutfi Budi M. Akil Maulana Nuruddin Djamin Miftahul Rifqi Mubarak Abdullah, Syahrul Muchlis Faulah Muh. Ainun Amri Mursalim Muh. Arsyil Karimi Muh. Rafianto Muh. Ridwan Rahim Muhammad Adam - Muhammad Al Mubarak Muhammad Arfah Asis Muhammad Ihsan Muhammad Syahrizal Darwis Murfat, Moh Zulkifli Mustika, Mustika Octavia Mutia Nurul Ilmi Nasrullah Syahir Nurmainna Nurmainna Nurul Ilmy Husain Purnawansyah Purnawansyah Rakha Raharja Ramdan Satra Ramdaniah Ramdaniah Riska Wulandari RM, Rusman Salsa, Salsabila Aurelia SHANTIKA Sheila Nur Afni Zafitri Siska Anraeni Siswahyudianto St. Hajrah Mansyur St. Nadya Kurnia Prihandani Syafie, Lukman Syahrul Mubarak Abdullah Syahrul Mubarak Abdullah Tasmil Tasmil Tasrif Hasanuddin Tasrif Hasanuddin Ulfa Sari Usman, Fifi Febrianti Wahyu Iriansyah Sopamena Wistiani Astuti Yudharta Arif Yulita Salim Zahra, Andi Fathimatuz Zahra