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Beginning iOS Game Center and Game Kit: For iPhone, iPad, and iPod touch by Kyle Richter

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Voice Chat for Game Center

We begin by looking at voice chat for Game Center. Using a GKMatch to create a voice chat session has many advantages, such as ease of use, quickness to implement, and reduced required overhead compared to using Game Kit or having to implement your own system. A GKMatch voice chat can have multiple channels, each with an associated list of recipients. For example, you could have one channel for teammates in a first-person shooter game, and another channel for all players. This would allow you to talk about tactics for winning the match without giving away information to the other team.

NOTE: Voice chat using a GKMatch is only available to participants who are connected to the Internet via Wi-Fi; voice chat does not ...

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