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Abstract
This work presents the results of a research project aimed at studying the coding of audio signals in order to obtain a compact and efficient digital representation for transmission or storage purposes. A psychoacoustic model based on sub-band coding is implemented in MATLAB®, which identifies the type of audio: voice or music signal, based on a model of the human auditory system. Our focus was on measuring the relationship between reduced transmission/storage bitrate and audio quality.
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Details
1 Fundación de Estudios Superiores Comfanorte, San José de Cúcuta, Colombia
2 Universidad del Norte, Barranquilla, Colombia