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Acoustic environment analysers as tools for deaf persons helping

Kulikowski J. L.

Journal of Medical Informatics & Technologies

2003

Vol. 5

MI3--12

The paper presents a concept of acoustic field analyser as a tool for helping deaf people, able to perceive visual and⁄or tactile signals only. The acoustic field is considered as a sum of acoustic waves carrying information about events occurring in a monitored physical space. Recognition of acoustic signals together with identification of their sources give a possibility to recognise events of vital importance to a deaf person. There are presented here general problems of acoustic environment analysers' design, particular attention being paid to acoustic sources localisation in physical space.