Virtual On Air Virtual Magic Studio
 
Add-Ons

Complete Broadcast Solution

 
  Virutal On Air
 
   

  

What is Virtual On Air System?  

Virtual studio systems have been in use for several years in television production. They essentially allow live actors or subjects to integrate seamlessly with dynamic 3D computer-generated sets, in real time.

In virtual set technology actors or subjects are shot in front of green or blue matte background with a physical camera and with the help of special hardware and software and chroma key technique the blue or green background is replaced with insertion of specially designed computer generated 3D set and seamlessly integrated with talent in front of the camera. Thus viewers can experience the look and feel of a huge and futuristic looking ultra modern television studio.

Highlights

  • Trackless virtual studio solution
  • Multiple virtual camera display & switching
  • Advance Chroma keying
  • Hardware based 3D rendering in real time
  • Real time shadows and reflection
  • Live & Pre-recorded source input
  • Text Crawl and Bitmap file overlay & update
  • Client-Server Application for live update
  • Live Streaming of broadcast
  • User friendly interface for easy operation
  • Automation for Media Switching & Playback
  • Live output recording facility in Mpeg2 & AVI format
  • Optional Motion Designer software for virtual sets
  • An affordable virtual studio solution

Major Application Areas

  • News, Sportscast and talk show programs
  • Game shows, entertainment programs, music videos
  • Creation of advertisement and promotional clips
  • Virtual classrooms for distant learning systems
  • Corporate in-house presentations and training
  • Highlighting business and political events
 
Features of Virtual On Air System  
 
 
 
 
 
 
 
 
 
 
 
 

Trackless virtual studio system
Virtual On Air is a trackless virtual studio system. It does not require any expensive camera motion trackers like other system to emulate virtual camera movements & zooming. With single static physical camera, live camera input can be seamlessly integrated with 3D virtual set and you can move around the set without moving the physical camera.

Multiple virtual camera display & switching
Multiple virtual camera display & switching can be achieved with single physical static camera. Virtual On Air has 8 virtual camera positions that can be easily programmed and moved within the 3D environments or zoomed in or out without any effort. No expert cameraman is required for this operation.

Advance Chroma keying
Virtual On Air system employs advance chroma keying technique. It has three levels of chroma key setting where you can key and adjust three different colors with different parameters. With this technique shadows on the backgrounds are removed very efficiently keeping the live images very sharp. It performs extremely well even with non-professional video equipments and in poorly lit background. All complex calculations of the chroma key are done instantly resulting in perfect chroma keying of live input source without any colour spills or spatial effect.

Hardware based 3D rendering in real time
Since 3d sets imported from 3d application are used as integral part of virtual set system, thanks to its powerful hardware engine, Virtual On Air is able to render the most complex 3D scenes in real time, eliminating the need of pre-rendering of 3D virtual sets. Due to its high performance, Virtual On Air can render full anti–aliased scenes giving an astonishing photo realistic result.

Real time shadows and reflection
One of the advanced features of Virtual On Air system is real time shadows & reflections. As far as shadows go, they are properly combined with the ground texture, they are cast onto arbitrarily shaped objects, and they are cast from multiple light sources with adjustable parameters for direction and position. As far as reflections go, you get real-time reflection of live talent in front of camera as well as virtual set on surfaces such as a reflective floors or table tops. These features lend more realistic and natural look to the live broadcast and production process.

User friendly interface for easy operation
Very familiar switcher like interface reduces operator training time and makes it very easy to move from one camera position to another. Mouse-over preview of virtual camera positions and movements and mouse-over preview of input sources (graphic or video files) helps the operator in errorless video production. Graphics and video clips from Media Gallery can be inserted in the virtual set by simple drag and drop operation. Since entire process is automated, a single operator can handle all operations using a mouse or keyboard short cuts.

Live & Pre-recorded source input
When it comes to do virtual set production, incorporating video feeds inside the virtual set becomes crucial. Virtual On Air offers 2 full D1 resolution live video inputs and pre-recorded sources in AVI, MPEG & MOV formats in standard definition.

Text crawl and Bitmap file overlay & update
In addition to the video, Virtual On Air offers a complete dynamic foreground overlaying module which allows the graphics files, text, crawls, tickers etc. to be overlaid on virtual set enhancing the virtual set production with information. And this information can be updated on-line through the server-client solution.

Live Streaming
Don’t limit your audience to the people sitting in the room. Today's broadcasters are quietly discovering the competitive advantages that live streaming provides. Viewers report stronger positive impressions when watching a live event. Virtual On Air provides single-click live streaming facility to take advantage of the wide audience that internet provides.

Automation for Media Switching & Playback
In Virtual On Air system two media bins are provided for switching between two video clips and live video source. While one video clip is displayed, you can keep ready another clip file in second media bin as standby and can instantly switch between two video clips & live source by mouse or keyboard shortcuts thus eliminating the need of an external switcher. In a single keystroke, you can move from one virtual camera position to another, switch video clips and handle the audio input of live and media files simultaneously.

An affordable virtual studio solution
Virtual On Air is an affordable virtual set solution that is suitable for any type of broadcast such as news, sportscasts, entertainment shows and more. Virtual On Air allows the same studio space to be used for multiple productions. A small studio, as large as 10x10 square feet, can be easily turned into a broad virtual set giving the look and feel of a huge and futuristic looking ultra modern television studio.

  • No physical sets required
  • Better man-power utilisation
  • Saves time, space, money and energy

 

TECHNICAL SPECIFICATIONS
 
 

INPUT FORMATS
            Live analogue and digital SD resolution
            External AVI, MOV, Mpeg up to Full D1 resolution
            Pal / B/G 720 X 576 25 fps
            NTSC 720 X 480 29.97 fps

OUTPUT FORMATS
            Full D1 (SD) resolution analogue CVBS, Y/C & DV output
            Full D1 (SD) Component Analogue YUV / Y’PbPr
            Full D1 (SD) Serial Digital (SDI)
            Pal / B/G 720 X 576 25 fps
            NTSC 720 X 480 29.97 fps
            Real Time Mpeg 2 / AVI output capturing

VIDEO INPUTS
            Composite (CVBS - 1.0 Vp-p, 75 ohm - BNC) 2
            S-Video (Y/C 4 pin mini-DIN) 2
            DV (IEEE 1394 FireWire) 1     (For Audio/Video Capturing only)
            Component YUV / Y'PbPr (BNC) 2
            Serial Digital-SDI (BNC) 2

VIDEO OUTPUTS
            Composite (CVBS - 1.0 Vp-p, 75 ohm - BNC) 2
            S-Video (Y/C 4 pin mini-DIN) 1
            DV (IEEE 1394 FireWire) 1
            Component YUV / Y'PbPr (BNC) 1
            Serial Digital-SDI (BNC) 1

INTERNAL VIDEO PROCESING
            4:2:2 Broadcast Compliant

INTERNAL VIDEO PROCESING DELAY
            8.5 Frames Audio Video synchronized

AUDIO LINE LEVEL INPUTS - ANALOGUE
            Unbalanced (RCA) Stereo – 2 inputs
            Balanced (XLR) Stereo inputs – 2 inputs

AUDIO LINE LEVEL OUTPUT - ANALOGUE
            Unbalanced (RCA) Stereo output – 1
            Balanced (XLR) Stereo output – 1

GENLOCK
Analogue and digital outputs can be genlocked to a selected external reference video signal (analogue composite)

RS232 / RS422 SUPPORT

TIME BASE CORRECTION
Built-in TBC for asynchronous analogue/digital video sources for real time switching without dropped frames or image distortion

 

 

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