VOD Headend - High Definition Interactive TV System -   The nSTREAMS Technologies High Definition Interactive TV System provides HDTV entertainment and services to the hotel guest via the SD or HD television in the guestroom. While the system is basically targeted at the hospitality market, it is designed as a general purpose video ordering system. It can be adapted to serve other types of installations such as hospitals, libraries, schools, etc. The major components of the VOD Headend are nSTREAMS Media Server, System Controller, IP QAM, CMTS, Access Router, nCAS (Conditional Access Subsystem Server, Front-Desk PC, Web Server, Digital TV Broadcast Subsystem, and In-Room Communicators (IRC). Based on Coaxial delivery infrastructure: Analog Output - IRC 3.x System - IRC 4.x System Digital To The Room - IRC 5.x System - Support Digital TV [Datasheet]  CONTEX Summit IRC 3.x & IRC 4.x - Analog Output Systems -   ITV version 3.0 System It is an analogue VOD-only system. If hotel has the Internet Access infrastructure, then ITV ver 3.0 is a right candidate. IRC 3.x     - Fixed frequency FSK bi-directional communication    - VOD, Internet on TV and Guest Services    - Standalone system ITV version 4.0 System It is an analogue VOD system based on cable modem technology which also performs Internet Access function. IRC 4.x   - Based on Cable Modem frequency agile communication   - Additional built-in HSIA capability   - Standalone and centralized systems [Datasheet]  audioVIRTUOSO   VIRTUOS_OHYBRID IRC 5.x - Digital To The Room Systems -   ITV version 5.0 System It highly performs HDTV VOD & Internet Access function. It also performs HD broadcast channel from satellite TV, Cable TV and terrestrial. IRC 5.x - Smart TV interface - Built-in Cable Modem & Internet browser engine - High Definition TV (HDMI) - S-Video, Component video, Composite video - NTSC/PAL, 4:3/16:9 formats - Dolby AC 3 Digital Surround Sound - Digital Audio via Coaxial S/P-DIF, Stereo Audio - RF In /Out - USB 2.0 / RS232 - IR Remote Control [ Datasheet ]  ORCHESTRATOR