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Process |
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Production Process
Multi-cam setups are
required for shooting the program, controlling
and monitoring the shoot from the Production Control
Room and recording the program. We look at the
functionality of each equipment and its relevance
in the production, post production and broadcasting
chain.
Cameras,
lenses are required for shooting the video. Camera
converts the Audio / Video that it ‘sees’
into digital signals that can be transported over
cable to the switcher. Camera requires a Camera
Adapter (CA) and to control it’s settings
it needs a Camera Control Unit (CCU) which is
actually controlled using the Remote Control Panel
(RCP), tripod and tripod adapter. To support the
camera, we need to mount the camera on a tripod
and therefore a suitable tripod adapter is required.
For the cameramen to see the frame that is being
sent to the PCR, viewfinder is required. Triax
Cables connect the Camera in the studio with the
Camera Control Unit in the PCR. This explains
the complete camera chain, which is important
for the shoot.
Switcher /
Vision Mixer: The switcher switches between
different video inputs such as various cameras,
cassette players that are playing back stories,
feeds coming through outdoor broadcast vans and
other sources. The switcher itself contains several
features which allow it to manage a program. These
include the ability to mix several video sources
with backgrounds in windows, keying of graphics
seamlessly, controlling external devices such
as clip and still stores, character generators
and interfacing with play out automation using
GPI triggers.
Microphones
are important in recording audio which consists
of Anchor Dialogue / Discussion / News reading.
Other audio sources such as feeds, players, video
cassette players, phone-in units are connected
to the audio mixer. Audio mixer can combine various
audio sources to give a single output to the Digital
Video Cassette Recorder. It can also channelise
the outputs so that specific audio channels are
combined into specific outputs.
This explains the process
of shooting and recording the programme / bulletin
/ capsule for television. |
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The Post Production Process
:
Ingest / Capture:
It begins with getting the program that has been
shot into a non-linear editing system. The VTR
is routed to the Non-Linear editing system using
the Audio/Video Router. The tape is then played
back in the VTR and captured in the Non-Linear
Editing Station as the Audio/Video information
flows through the cables and router. It is sometimes
captured into a Video Server using an ingesting
station. When captured into a Video Server the
Audio/Video footage is available to all the Non
Linear Editing (NLE) Systems connected via LAN
to the Video Server’s Storage. High speed
and redundancy ensure that multiple clients can
access the same storage at once.
Editing:
Once the Audio/Video footage is captured, it is
available in what is called the “Bin”.
The “Bin” is a repository of all available
Audio/Video footage. It can be sorted on date/time
of capture size, clip name etc. This way the editor
has easy access to all the footage. The editor
then places the footage on what is called a“TimeLine”.
A timeline lets the editor define the sequence
in which the Audio/Video footage should be finally
mastered. It allows the editor to add cuts, trims,
inserts etc. to modify the footage. Editing may
also involve adding music / effects / voice-overs
etc. The editor can also overlay graphics, supers,
titles etc. to deliver the final mastered sequence.
Print-to-Tape:
If the NLE is in the same network as the video
servers being used for play out automation, then
the mastered programme can be exported from the
Non-Linear editing station directly to the Video
Server for telecast. Sometimes, the episodes may
have to be “Printed” to tape so that
they can be ingested via tape into the Video Server.
The NLE System plays back the entire programme
as it is laid on the timeline and the VTR records
it on tape. |
Equipment required in the Post Production Process
| Equipments |
Users |
| Non Linear Editing Systems |
For editing the programmes |
| Video Tape Recorders
(VTRs) |
For transferring content
between NLEs and tape |
| Graphics Station |
For creating graphical
content in the program. |
| Dubbing, Sound and Mixing
Stations |
For adding Voiceovers,
sound effects, music etc. |
| Monitors |
For monitoring the Video
as it is being ingested, edited and printed
to tape. |
| Speakers |
For monitoring the Audio
as it is being ingested, edited and printed
to tape. |
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Telecasting Process
Telecasting-
Broadcasting visual images of stationary or moving
objects are referred to as telecasting.
Telecasting is divided
into two main areas of activity in the modern
television and broadcasting world: Playout Automation
and Uplinking.
Playout Automation
process involves some essential equipment and
software to work with the equipment.
Ingesting Station
is PC with capture Card and ingesting software.
It is used for capturing Audio / Video footage
and storing it in the Video Server so that it
can be telecast. It provides for the addition
of some valuable data along with the clip such
as, Clip ID, Name, Description, TC In, TC Out,
Date, House Number, Segment Number, Topic, Author
etc. Immediately upon finishing the ingest, the
ingest station adds the clip to the Video
Servers Catalogue.
The Video Server
plays the most central part in the Playout Automation
Processes. It interfaces with the ingest station
so that Video footage captured by the ingest station
can be stored in its storage system. It cues up
and prepares clips so that the clips can be played
out by the Playout Automation Software. It provides
the backend engine to the Playout Automation Software
to enable it to control external devices such
as VTRs, Switchers and Logo Inserters.
The Playout
Automation Software-The essential elements
of the Playout Automation Software include the
playlist creation module, the Control Module and
the Continuity module. The playlist creation module
allows the operator to create a playlist using
the available footage in the Catalogue. These
may be programmes, promos, credit lines and commercials.
A separate playlist is created for each day starting
from 12:00 AM to 11:59:59 PM. When footage is
still not available but needs to be scheduled,
for example, in the case of deferred live programs,
dummy entries are made in the playlist and they
are replaced by the actual entries as soon as
the required footage is ingested and updated in
the catalogue.
The OnAir Switcher:
Outputs of Both Video Servers is sent to an “On-Air
Switcher” which is controlled by the Continuity
of the Main Video Server which switches to the
other Video Server automatically in case of failure.
Sometime automatic switching may not be possible
in which case the operator can switch manually.
The Graphics
Station / Logo Inserter / Ticker Machine
The switcher gives its output to the Graphics
Station / Logo Inserter / Ticker machine as the
case may be so that the Channel Branding and scrolls
/ tickers may be added. This output is then ready
to be uplinked to Satellite for Broadcasting. |
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Uplinking Process
The process of converting
the signals to Radio Frequency signal and sending
it to satellite is referred to as uplinking. A
critical function of channel, is that it require
high quality redundant equipments to keep running
24 hours. These equipments include encoders, multiplexers,
modulators, upconverters, high performance amplifiers
and antennas. Also the antennas require a tracking
system to align the dish accurately for uplinking
to the satellite.
We are currently outsourcing
the uplinking facilities from Essel Shyam Communications
Limited (ESCL) for which we have entered into
“Uplinking Service Agreement” on February
2, 2006 for a period of three years from the date
of actual launch of the channel. The services
to be provided / supported by ESCL is uplinking
of approved TV Channels of our Company and / or
our group company which have been specifically
approved / permitted by the Ministry of Information
and Broadcasting, Government of India for uplinking.
The uplinking fee is payable to ESCL within 15
days of receiving invoice before the commencement
of the month. The agreement can be terminated
by either party by giving 90 days prior written
notice.
We have to hire space
capacity on satellite which receives signals uplinked
by teleport and distribute the same to various
cable operators. We have entered into an agreement
with Antrix Corporation Limited, a Government
of India company under Department of Space for
lease of 4.5 MHz space capacity on INSAT-4A satellite
for the said purpose. |
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Downlinking Process
Downlinking is a process
of receiving the radio frequency signal by using
a satellite dish, decoding it and converting it
to an audio video signal. The cable operator installs
the dish that points to the satellite to which
the television channel is uplinking. The satellite
dish receives the signal and provides it to a
decoder that can decode the MPEG2 encrypted or
free to air signal and convert it to an audio
video signal. This signal is further distributed
over the cable operators’ network.
Competition
The competition in the television News broadcasting
industry is very intense. The competitors for
JANMAT are NDTV, Aaj Tak, DD News, Star News,
Zee News and Sahara Samay National. We also face
competition from some of the regional players
such as Sun News, ENadu and Udaya News. The competitive
landscape in the news broadcasting industry has
recently undergone significant change like Doordarshan,
the Government controlled terrestrial broadcaster,
has recently launched its 24-hour news channel
and has to be carried on the prime band by all
cable operators according to a direction of the
Government. As a result of competition, we have
to continuously review our advertising sales strategy,
increase our capital expenditures in order to
differentiate ourselves from other broadcasters,
increase our marketing, distribution & promotional
cost, change our programming mix and review our
employee retention policies.
Distribution
Platform
The Government has recently, liberalized regulations
for implementation of conditional access systems,
in a phased manner, and has recently allowed Direct-to-home
broadcasting, which may bring about changes in
the broadcasting industry. A delay in introduction
of alternative medium for news broadcasting and
any future technological changes, may affect the
news broadcasting industry. |
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