Conversation detection apparatus, hearing aid, and conversation detection method
US9084062B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2011 |
| Grant date | Jul 14, 2015 |
| Priority date | — |
| Expiry date | Jan 27, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/43
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A conversation detection apparatus uses a head-mounted microphone array to accurately determine whether a speaker in front is a conversing person or not. A conversation detection apparatus (100) includes a self-speech detection section (102) that detects a speech of a wearer of a microphone array (101), a front speech detection section (103) that detects a speech of a speaker in front of the microphone array wearer as a speech in front direction, a side speech detection section (104) that detects a speech of a speaker residing at at least one of right and left of the wearer as a side speech, a side direction conversation establishment degree deriving section (105) that calculates a conversation establishment degree between the speech of the wearer and the side speech, based on detection results of the speech of the wearer and the side speech, a front direction conversation detection section (106) that determines presence/absence of conversation in front direction based on a detection result of the front speech and a calculation result of the side direction conversation establishment degree, and an output sound control section (107) that controls directivity of speech heard by the h…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.