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Home > Research > Bio Microsystems > Research Projects

< Hearphone >

Overview

Hearphone is a multi-purpose health earphone. It's mainly a hearing aid for aged or handicapped people. But because it offers many other functions, healthy young people can also use it in specific situations. That is to say, it could be used in an aircraft to cancel the noise below 400Hz. By using this, everyone would feel more calm and comfortable and Hearphone could be used as a cordless earphone. So user can hear music from a synchronized MP3 player of like that.

Blocks for Hearphone

- Analog part : Preamplifier, Automaitc gain controller, Sigma-delta analog to digital converter

- Signal processing part : Digital signal processing

- Digital part : Sigma-delta digital to analog converter

System Architecture

Related Papers

- ISCAS 05 [pdf]

- SOVC 05 [pdf]

- JSSC 06 [pdf]

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