Apparatus and method for wireless audio network management

H - Electricity – 04 – L

Patent

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Details

H04L 29/04 (2006.01) H04B 7/00 (2006.01) H04L 12/24 (2006.01) H04L 29/02 (2006.01) H04R 5/00 (2006.01)

Patent

CA 2600883

Electronic apparatus and method are provided for management of communications between channel master (e.g. audio player), responding device (e.g. remote control/headphones) and, optionally, passive devices (e.g. headphones) wirelessly connected in a wireless audio network. The channel master transmits, and the responding device receives, audio signals and network management information. Profile negotiation means communicates application profiles for the devices, establishing at least one application profile which is common to them and designating a selected, common application profile for use in associating the devices. Channel selection means selects a channel for the communications using an ordered selection of channels (PCS) obtained from scanning the channels for idle channels and ordering the scanned channels according to priority based on channel quality. Normalized control and status interfaces establish interoperability between devices which use different data streams to communicate in the network.

L'invention concerne un procédé et un appareil électronique de gestion de communication entre un maître canal (tel que des lecteurs audio), des dispositifs de réponse (comme des télécommandes/écouteurs) et, optionnellement, des dispositifs passifs (comme des écouteurs), connectés sans fil dans un réseau audio sans fil. Le maître canal transmet, et le dispositif de réponse reçoit, des signaux audio et de l'information de gestion de réseau. Des moyens de négociation de profils communiquent des profils d'application pour les dispositifs, établissant au moins un profil d'application commun aux dispositifs et désignant un profil sélectionné, lequel profil d'application commun est associé aux dispositifs. Des moyens de sélection de canal choisissent un canal pour les communications, à l'aide d'un choix ordonné de canaux (PCS) obtenu à partir du balayage des canaux pour un canal au repos et de l'ordre des canaux balayés selon la priorité basée sur la qualité du canal. Une commande normalisée et des interfaces d'état établissent l'interopérabilité entre les dispositifs utilisant différents flux de données pour communiquer dans le réseau.

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