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A portable digital speech-rate converter for elderly hearing-impaired listeners
A new portable device that reduces speech speed in real time has been developed to aid hearing-impaired listeners. The device employs real-time digital signal processing to expand the time scale of the speech signal without changing the pitch. Seven out of ten elderly hearing-impaired listeners have...
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Main Authors: | , , , , , |
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Format: | Conference Proceeding |
Language: | English |
Subjects: | |
Online Access: | Request full text |
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Summary: | A new portable device that reduces speech speed in real time has been developed to aid hearing-impaired listeners. The device employs real-time digital signal processing to expand the time scale of the speech signal without changing the pitch. Seven out of ten elderly hearing-impaired listeners have shown improvements in word discrimination tests when using this speech-rate conversion. The subjects' temporal resolution showed a correlation with the observed improvement, with a coefficient value of 0.859. The results suggest that this device provides support at the cognitive level of the auditory system.< > |
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DOI: | 10.1109/IEMBS.1994.412050 |