Patent ID: 9264472
Filing Date: 2016-02-16
CPC Classification: H04L,H04N

Claim Text:
1. A method for switching between streams of audio-video data transmitted to a plurality of users over a packet-switching network, comprising: establishing separate connections with each of said plurality of users over the network; streaming first audio data and first video data in a first stream from at least one server to at least one of said plurality of users via at least one of said connections, said first audio and first video data relating to an event; and for at least one of said plurality of users, switching the first stream with a second stream comprising second video data that is different from the first video data, wherein only one of said first and second streams is transmitted to a user at a time, and wherein: (a) the first video data and the second video data each comprise differentially compressed data; (b) the first stream comprising first video data and the second stream comprising second video data each comprise one or more key frames; and, (c) the first stream comprising first video data switches to the second stream comprising second video data at said one or more key frames.