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1. (WO2016050312) METHOD OF PROVIDING HEARING ASSISTANCE BETWEEN USERS IN AN AD HOC NETWORK AND CORRESPONDING SYSTEM

Pub. No.:    WO/2016/050312    International Application No.:    PCT/EP2014/071191
Publication Date: Fri Apr 08 01:59:59 CEST 2016 International Filing Date: Fri Oct 03 01:59:59 CEST 2014
IPC: H04R 25/00
H04W 84/18
Applicants: SONOVA AG
Inventors: SECALL, Marc
ROECK, Hans-Ueli
CALLIAS, Francois
FEILNER, Manuela
Title: METHOD OF PROVIDING HEARING ASSISTANCE BETWEEN USERS IN AN AD HOC NETWORK AND CORRESPONDING SYSTEM
Abstract:
There is provided a method of providing hearing assistance to a at Ieast one user (11A-11 F) wearing at Ieast one receiver hearing assistance device (14A-14D) capable of receiving audio signals via an RF link (12) from at least one audio transmission device (10A-10F; 14A-14D) worn by a another user (11A-11 F), and capable of transmitting audio signals, each device comprising a wireless network interface (28, 48), the method comprising: automatically pairing and connecting the audio transmission device on a service level with the receiver hearing assistance device through their wireless network interfaces to form an ad-hoc network in order to exchange network and/or control information, estimating at least one of an angular direction of the audio transmission device with regard to a viewing direction of the user of the receiver hearing assistance device and an angular direction of the receiver hearing assistance device with regard to a viewing direction of the user of the audio transmission device, admitting the audio transmission device to a wireless local acoustic area network for exchanging audio signals with the receiver hearing assistance device only if, as a predefined admission rule, the transmission device is within a field of view (15A-15D) of the user of the receiver hearing assistance device or the receiver hearing assistance device is within a field of view of the user of the audio transmission device, wherein the field of view is a an angular sector centered around the respective viewing direction.