Flexible pseudorandom number generator for tinnitus treatment implemented on a dsPIC

Autor: Esteban Lucio González, Pablo Daniel Agüero, Alejandro José Uriz, Jorge Castiñeira Moreira, Juan Carlos Tulli, Roberto Hidalgo
Rok vydání: 2016
Předmět:
Zdroj: IEEE Latin America Transactions. 14:72-77
ISSN: 1548-0992
Popis: Treatment of tinnitus with masking sounds has reach a significant developed in recent years. It is mainly because it has been possible to implement noise sinthesizers based on random number generators in digital signal processors (DSP), which form a part of almost any digital hearing aid device. One limitation of these methods is that limitations of the DSP architecture prevent pseudo white noise of being generated conform to a real white noise statistics. In this paper, a technique to generate adittive white gaussian noise (AWGN) or noise with uniform distribution using coefficients stored in memory of the DSP program is proposed. An implementation of the technique is carried out on a dsPIC from Microchip and subjective experiments and experimental measurements are performed to validate the performance of the developed technique. Fil: Uriz, Alejandro José. Universidad Nacional de Mar del Plata. Facultad de Ingeniería; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Aguero, Pablo Daniel. Universidad Nacional de Mar del Plata. Facultad de Ingeniería; Argentina Fil: Castiñeira Moreira, Jorge. Universidad Nacional de Mar del Plata. Facultad de Ingeniería; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Hidalgo, Roberto Marcelo. Universidad Nacional de Mar del Plata. Facultad de Ingeniería; Argentina Fil: González, Esteban Lucio. Universidad Nacional de Mar del Plata. Facultad de Ingeniería; Argentina Fil: Tulli, Juan Carlos. Universidad Nacional de Mar del Plata. Facultad de Ingeniería; Argentina
Databáze: OpenAIRE