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Submitted December 18, 2024
Published 2024-12-18

Artículos

Vol. 14 No. 1 (2025): Centros: Revista Científica Universitaria

Variables involved in capturing audio with a mobile


DOI https://doi.org/10.48204/j.centros.v14n1.a6598

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References
DOI: 10.48204/j.centros.v14n1.a6598

Published: 2024-12-18

How to Cite

Murillo Sarmiento , J. S., Núñez Díaz , J. E., & Sánchez , J. A. (2024). Variables involved in capturing audio with a mobile . Centros: Revista Científica Universitaria, 14(1), 46–63. https://doi.org/10.48204/j.centros.v14n1.a6598

Abstract

In the quest for an effective protocol enabling musicians to capture the highest audio quality from their instruments using mobile devices, critical variables were identified. Theoretical deliberation and collaboration with co-authors revealed that the distance between the musician and the device's microphone, along with the time of day during capture, are the most influential variables. Distance impacts the captured sound's intensity, while the time of day contributes to variations in frequencies, especially in background noise. The frequency spectrum analysis focused on a violin performing a chromatic scale of G, recorded in ".WAV" format using the "PARROT" tool on mobile devices. Analysis was conducted at two distances and two different times to pinpoint optimal capture conditions. Results indicate that the highest-quality audio capture occurs at 2 a.m., with a distance of 50 cm between the musician and the device's microphone. Recommending uncompressed file transfer via Google Drive to the post-production team prevents quality loss. This discovery streamlines musical post-production, proposing a protocol applicable to musicians at large.

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