High quality, low power, wireless audio system

H - Electricity – 04 – R

Patent

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Details

H04R 5/00 (2006.01) H04B 7/24 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2598241

The invention relates to the field of wireless communications and more specifically to a high quality, low power wireless audio system. More specifically, the invention comprises an audio source for receiving audio signals (e.g. music) and audio status information (e.g. song title) from a first external device (e.g. an MP3 player) and transmitting the audio signals and the audio status information over a wireless connection; and at least one audio sink for receiving the audio signals and said audio status information from the audio source and communicating the audio signals and the audio status information to a second external device (e.g. headphones), wherein a specified one of the at least one audio sink receives audio control information (e.g. pause) from the second external device and transmits said audio control information to said audio source via said wireless connection. Among other features, the wireless audio system of the present invention incorporates dynamic channel selection as well as dynamic adjustment of the transmission interval to ensure enhanced audio quality using the lowest possible power.

L'invention concerne le domaine des communications sans fil et plus particulièrement un système audio sans fil à faible puissance et à qualité élevée. Plus particulièrement, l'invention comprend une source audio destinée à recevoir des signaux audio (par exemple musicaux) et des informations d'état (par exemple titre de chanson) à partir d'un premier dispositif externe (par exemple un lecteur MP3) et à transmettre les signaux audio et les informations d'état audio via une connexion sans fil; et au moins un bloc récepteur audio destiné à recevoir des signaux audio et ces informations d'état audio de la source audio et à communiquer les signaux audio et les informations d'état audio à un second dispositif externe (par exemple un casque d'écoute), au moins un bloc récepteur audio spécifique reçoit des informations de commande audio (par exemple pause) d'un second dispositif externe et transmet ces informations de commande audio à la source audio via une connexion sans fil. Parmi d'autres caractéristiques, le système audio sans fil de cette invention comprend un sélection de canaux dynamique ainsi qu'un réglage dynamique de l'intervalle de transmission afin d'assurer une qualité audio améliorée au moyen d'une puissance la plus basse possible.

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