Title:
SPEECH INTELLIGIBILITY ENHANCING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/127263
Kind Code:
A3
Abstract:
A speech intelligibility enhancing system for difficult acoustical conditions is disclosed, the speech intelligibility enhancing system comprising at least one ear plug (201) for insertion in an ear canal (218) of a person, the at least one ear plug being arranged with an ear canal facing portion (401) and an environment facing portion (402), and the at least one ear plug comprising an acoustically attenuating path (214; 214, 213) comprising a vent (214) coupling said environment facing portion (402) with said ear canal facing portion (401); and an electroacoustic path (202, 204, 209; 202, 203, 204, 208, 209, 210, 211, 212) comprising a microphone (202) at said environment facing portion (402), a variable gain (204) and a loudspeaker (209) at said ear canal facing portion (401); wherein said acoustically attenuating path (214; 214, 213) is arranged with a transfer function from said environment facing portion (402) to said ear canal facing portion (401) having a low pass characteristic having a low pass cut¬ off frequency and said low pass characteristic attenuating sound by a nominal attenuation (Go) for frequencies below said cut-off frequency.
Inventors:
FARVER NIELS (DK)
Application Number:
PCT/DK2018/050001
Publication Date:
August 16, 2018
Filing Date:
January 03, 2018
Export Citation:
Assignee:
LIZN APS (DK)
International Classes:
H04R25/00; A61F11/08; G10L21/0364; H04R1/10; G10L21/034; H03G3/20; H03G11/00
Domestic Patent References:
| WO2016126614A1 | 2016-08-11 | |||
| WO2016189285A1 | 2016-12-01 |
Foreign References:
| US20090310805A1 | 2009-12-17 | |||
| EP2434780A1 | 2012-03-28 | |||
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| EP1629808A1 | 2006-03-01 |
Attorney, Agent or Firm:
PATENTGRUPPEN A/S (DK)
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