System and method of detecting speech intelligibility of audio announcement systems in noisy and reverberant spaces
US8103007B2 · kind B2 · utility
5Cited by
6References
23Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 28, 2005 |
| Grant date | Jan 24, 2012 |
| Priority date | — |
| Expiry date | Mar 4, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2227/009
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system and method to detect and remediate unacceptable levels of speech intelligibility evaluates received test audio transmitted across and received in a space or region of interest. Intelligibility is improved by altering the rate, pitch, amplitude and frequency bands energy during presentation of the speech signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.