The design of digital audio filter system used in tomatis method stimulation

• Autorzy: Jóźwiak Krzysztof , Bujacz Michał , Królak Aleksandra

Identyfikatory

DOI

10.14313/JAMRIS_1-2019/9

• Języki publikacji: EN

Abstrakty

EN

The Tomatis Method is a rehabilitation technique used in psychology, the main aim of which is stimulating the cochlea in the inner ear by filtered air-conducted and bone-conducted sounds. The system of electronic filters and amplifiers used for this therapy is called the Electronic Ear. Commonly, it is a commercial analog device that is expensive and after a few years its functionality declines. In this paper, we propose a digital Electronic Ear system using an STM32F4 family micro-controller and ADC/ DAC integrated circuits. The design of the digital sound filters allows to adjust more parameters and overcomes some of the constraints of analog systems. In this paper, we provide a short review of the Tomatis Method, the main functions of the Electronic Ear and we describe the designed system with comparison measurements to the analog original.

Słowa kluczowe

EN

sound filtering; digital signal processing; shelving filter; FIR filter; Electronic Ear stimulator; Tomatis Method

PL

filtrowanie dźwięku; przetwarzanie sygnału cyfrowego; filtr FIR; metoda Tomatisa

• Wydawca: Łukasiewicz Industrial Research Institute for Automation and Measurements PIAP
• Czasopismo: Journal of Automation Mobile Robotics and Intelligent Systems
• Rocznik: 2019
• Tom: Vol. 13, No. 1
• Strony: 73--78
• Opis fizyczny: Bibliogr. 20 poz., rys.

Twórcy

autor

Jóźwiak Krzysztof

• Lodz University of Technology, Institute of Electronics, ul. Wólczańska 211/215, 90-924 Łódź, Poland

autor

Bujacz Michał

• Lodz University of Technology, Institute of Electronics, ul. Wólczańska 211/215, 90-924 Łódź, Poland

autor

Królak Aleksandra

• Lodz University of Technology, Institute of Electronics, ul. Wólczańska 211/215, 90-924 Łódź, Poland

Bibliografia

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