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Television studio

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A television studio is a specialized installation room designed for video production.

MDR Kripo live
MDR Kripo live

These spaces allow for the creation of live television broadcasts or the recording of content onto media like video tape or Solid State Drives (SSDs). Studios also serve as sites for capturing raw footage intended for later post-production work. While the basic design of a television studio is derived from movie studios, it includes specific amendments to meet the unique requirements of television. Professional setups generally consist of several separate rooms. These rooms are kept apart to manage noise levels and maintain practical workflows. Personnel working in different areas stay connected through an intercom system known as a talkback.

The studio floor serves as the actual stage where all recorded actions occur.

MDR Kripo live
MDR Kripo live

This area is equipped with various sets and decorations to create the visual world of the program. Professional video cameras are typically mounted on pedestals, though some may use robotic Pan-Tilt-Zoom (PTZ) heads. These PTZ heads allow operators to control camera movement remotely from a different room. The floor also contains stage lighting rigs and microphones to capture the necessary visuals and audio. To help the crew, several video monitors provide visual feedback from the production control room.

A crew of professionals manages the activity on the studio floor. The subjects of the show include the on-screen presenters and any guests. A floor manager holds overall charge of the studio area. This person acts as a link by relaying timing and other vital information from the television director. Camera operators focus on capturing the right shots, while a teleprompter operator may assist during live news broadcasts.

Wexford Theatre Royal makeup room
Wexford Theatre Royal makeup room

This organized team ensures that the physical production runs smoothly according to the director's vision.

The production control room (PCR) is where the outgoing program is composed.

In some locations, this room is called a studio control room (SCR) or a gallery. The term "gallery" originates from the BBC's first studio at Alexandra Palace. In that early setup, the director sat on an ornate bridge that resembled a minstrels' gallery. Most devices in the PCR act as interfaces for heavy equipment. This equipment is actually located in a separate area called the Central Apparatus Room (CAR). This separation allows the PCR to focus on the creative composition of the show.

The Central Apparatus Room (CAR) houses machinery that is too noisy or generates too much heat for the PCR.

This room also manages the complex wiring requirements of the studio. High-quality wiring, such as coax, SDI, or fibre-optic cables, must stay within manageable lengths. The CAR contains the essential circuitry and connections for many technical tools. These include the character generator (CG), which adds text to the screen, and camera control units (CCU). It also holds digital video effects (DVE), video routers, video servers, and vision mixers. The vision mixer, or video switcher, is crucial for moving between different camera views.

Beyond the technical hubs, a studio requires several support facilities.

Wexford Theatre Royal makeup room
Wexford Theatre Royal makeup room

Make-up and changing rooms allow talent to prepare for their roles. A reception area, often called a green room, provides a space for crew, talent, and visitors. Studios also include areas designed for handling an audience if the program requires one. These rooms do not require complex technical installations, but they often include video and audio monitors to keep everyone informed about the production.

The master control room (MCR) acts as the final technical hub for a broadcast operation.

MDR Kripo live
MDR Kripo live

While the PCR coordinates the switching between cameras, the MCR manages the actual on-air signal. In US television stations, the MCR is responsible for controlling the signal sent to the viewer. This includes playing pre-recorded programs and commercials, switching between local and network feeds, and recording satellite feeds. It also monitors the transmitters. If a program is being broadcast live, the signal follows a specific path. It travels from the PCR to the MCR, and finally out to the transmitter to reach the audience.

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