An online listing revealing the specifications of Microsoft's Kinect appears to confirm the device can only support two "active" players at a time, pointing to potential family-audience limitations.
Based on its E3 showing, it's safe to say Microsoft's Kinect will, at least at launch, target the family audience that's been so captivated with Wii fitness and party games like Wii Sports or Mario Kart. But a new look at the device's specifications makes it less clear whether it'll be able to serve those players without compromises. According to a listing on online retailer Play.com, although Kinect can track up to six players at a time, it can only track two "active" ones -- in other words, only up to two moving human bodies. This means that in a group setting where several players are taking turns, only two may actually be using the controller at a time, whereas Wii party games can support up to four players. The tech specs also confirm that Kinect tracks body movements along a 20-joint skeletal map, and a total of 48 "points of movement." Questions have also been raised from developer sources and widely in the media about whether and how well players can interact with the device while sitting down, beyond the speech recognition functionalities. According to the listing, the technical details are as follows: Sensor Colour and depth-sensing lenses Voice microphone array Tilt motor for sensor adjustment Fully compatible with existing Xbox 360 consoles Field of View Horizontal field of view: 57 degrees Vertical field of view: 43 degrees Physical tilt range: ± 27 degrees Depth sensor range: 1.2m - 3.5m Data Streams 320x240 16-bit depth @ 30 frames/sec 640x480 32-bit colour@ 30 frames/sec 16-bit audio @ 16 kHz Skeletal Tracking System Tracks up to 6 people, including 2 active players Tracks 20 joints per active player Ability to map active players to LIVE Avatars Audio System LIVE party chat and in-game voice chat (requires Xbox LIVE Gold Membership) Echo cancellation system enhances voice input Speech recognition in multiple [languages] Gamasutra has contacted Microsoft with a request to confirm or clarify regarding possible limitations on Kinect, and we'll update with any we receive.
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