MERINO VILLEGAS, L. R. Performance Evaluation of FIR Filters on Low-Cost Microcontrollers for Voice Processing Applications. Investigación Tecnológica IST Central Técnico, [S. l.], v. 7, n. 1, p. 114–128, 2025. Disponível em: https://www.investigacionistct.ec/ojs/index.php/investigacion_tecnologica/article/view/189. Acesso em: 14 nov. 2026.