Xtream IS Specifications

Live Transcoding channel capacity 1

20 live transcoded channel per CPU

Connection capacity 2

1000 users per CPU

Compatible Devices

iPhone 3G / iPhone 3Gs / iPod Touch

Resolution 2

QCIF / QVGA up to iPhone / iPod Touch 320 X 480 full resolution

Delivery Type

HTTP progressive streaming

Supported Services

Video On Demand / Scheduled Broadcast / Live video / Audio streaming

Protocols & Transports

Apple HTTP streaming protocol / MPEG-TS

API

XTream™ API to control VOD / Scheduled Broadcast and Interactive channel management

Formats

mp4 / mov / 3gp

Frame Rate / Bit Rate

Up to 30fps over 2.5Mbps

Video Codec

MPEG4 / H.264

Video Error Recovery

Proprietary AdSafe™ technology for frame error recovery for Live and Scheduled broadcast

Audio Codec

AAC up to 160kbps / MP3

Audio Error Recovery

Proprietary LipXync™ technology for lip synchronization

Compatible Networks

WCDMA / WiFi

Playlist and API

Server side playlist with dynamic Playlist update API

iPhone / iPod Touch

OS version 3.0 or above

(1) Reference figure only, based on a 2GHz single Intel CPU core

(2) Reference figure only, based on a 2GHz single Intel CPU core running on Red Hat Linux