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VIDEO INTERFACING AND THEIR CONNECTORS

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VIDEO INTERFACES AND THEIR CONNECTORS, INTERFACING

D-subminiature 15 pin
RCA jack
Mini-DIN 4 Pin
3 RCA Jacks
VIVO = Mini-DIN 9 Pin with breakout cable.
DVI connector
SCART
HDMI connector
DisplayPort connector
FireWire or i.LINK connectors

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VIDEO INTERFACING AND THEIR CONNECTORS

  1. 1. 1 Project Report On “VIDEO INTERFACES AND THEIR CONNECTORS” Prepared By SUMEET PATEL (110050111040) GRADE: SIGN:
  2. 2. 2  INTRODUCTION  The existence of many different audio and video standards necessitates the definition of hardware interfaces, which define the physical characteristics of the connections between electrical equipment. This includes the types and numbers of wires required along with the strength and frequency of the signal. It also includes the physical design of the plugs and sockets.  An interface may define a connector that is used only by that interface (e.g., DVI) or may define a connector that is also used by another interface; for example, RCA connectors are defined both by the composite video and component video interfaces.  Audio connectors and video connectors are electrical connectors (or optical connectors) for carrying audio signal and video signal, of either analog or digital
  3. 3. 3 format. Analog A/V connectors often use shielded cables to inhibit radio frequency interference (RFI) and noise.  Since both analog and digital signals are used with some styles of connectors, knowledge of the interface used is necessary for a successful transfer of signals. Some interface types use only a distinctive connector or family of connectors, to ensure compatibility. Especially with analog interfaces, physically interchangeable connectors may not carry compatible signals.  Some of these connectors, and other types of connectors, are also used at radio frequency (RF) to connect a radio or television receiver to an antenna or to a cable system; RF connector applications are not further described here.  VIDEO INTERFACESAND THEIR CONNECTORS: INTERFACE CONNECTORSAudio or Video Digital or Analog Description Video only Analog Video Graphics Array (VGA) D-subminiature 15 pin Often designated by the CVBS acronym, meaning "Color, Video, Blank and Sync". RCA jack, normally yellow (often accompanied with red and white for right and left audio channels respectively) S-Video (Separate Video). Carries Mini-DIN 4 Pin
  4. 4. 4 standard definition video and does not carry audio on the same cable. In popular use, it refers to a type of analog video information that is transmitted or stored as three separate signals. Either RGB Interfaces or YPbPr 3 RCA Jacks S-Video, and Component VIVO = Mini-DIN 9 Pin with breakout cable. Analog and Digital Digital Visual Interface (DVI) DVI connector Video and audio Analog SCART (Peritel) SCART Digital High-Definition Multimedia Interface (HDMI),BNC HDMI connector Display Port DisplayPort connector IEEE 1394 "FireWire" FireWire or i.LINK connectors  VIDEO CONNECTORS 1. D-SUBMINIATURE (OR D-SUB):  A D-sub contains two or more parallel rows of pins or sockets usually surrounded by a D-shaped metal shield that provides mechanical support, ensures correct orientation, and may screenagainst electromagnetic interference.  The part containing pin contacts is called the male connector or plug, while that containing socket contacts is called the female connector or socket. The socket's shield fits tightly inside the plug's shield.  Panel mounted connectors usually have threaded nuts that accept screws on the cable end connector
  5. 5. 5 cover that are used for locking the connectors together and offering mechanical strain relief. Occasionally the nuts may be found on a cable end connector if it is expected to connect to another cable end (see the male DE-9 pictured).  When screened cables are used, the shields are connected to the overall screens of the cables. This creates an electricallycontinuous screen covering the whole cable and connector system.  APPLICATIONS: :  Communications ports  Network ports  Computer video output  Game controller ports 2. RCA JACK:  An RCA connector, sometimes called a phono connector or cinch connector, is a type of electrical connector commonly used to carry audio and video signals. The connectors are also sometimes casually referredto as A/V jacks.  The connection's plug is called an RCA plug or phono plug, for "phonograph." The name "phono plug" is sometimes confused with a "phone plug" which may refer to a quarter-inch "phone plug" (TS or TRS connector) or to a connector used for a telephone.  Plugs and sockets on consumer equipment are conventionally color-coded to aid correct connections. Stereo audio applications use black + red, grey + red or white + red RCA connectors; in all three cases, red denotes right. White or purple may also be replaced by black.  APPLICATIONS :  Power connectors and RF connectors  Connector for loudspeaker cables  Used to carry S/PDIF-formatted digital audio. 3. MINI-DIN CONNECTOR
  6. 6. 6  The mini-DIN connectors are a family of multi-pin electrical connectors used in a variety of applications. Mini-DIN is similar to the larger, older DIN connector.  Mini-DIN connectors are 9.5 mm in diameter and come in seven patterns, with the number of pins from three to nine. Each pattern is keyed in such a way that a plug with one pattern cannot be mated with any socket of another pattern.  APPLICATIONS: :  Used in early implementations of Apple LocalTalk, Apple Desktop Bus, and IBM PC compatible PS/2 keyboard and mouse ports. Etc  Used for a variety of audio and video applications. 4. MINI- VIDEO-IN VIDEO-OUT (VIVO)  Video in video out (usually seen as the acronym VIVO and commonly pronounced vee-voh), is a graphics port which enables some video cards to have bidirectional (input and output) analog video transfer through a mini-DIN connector, usually of the 9-pin variety, and a specialised splitter cable  VIVO does not support the HDCP standard which would be required for official HDTV support as set out by the EICTA.  APPLICATIONS: :  VIVO is found on high-end ATI and NVIDIA computer video cards, sometimes labeled "TV OUT"  Some practical uses of VIVO include being able to display multimedia stored on a computer on a TV, and being able to connect a DVD player or video game console to a computer.
  7. 7. 7 5. DIGITAL VISUAL INTERFACE (DVI):  Digital Visual Interface (DVI) is a video display interface developed by the Digital Display Working Group (DDWG). The digital interface is used to connect a video source to a display device, such as a computer monitor.  It was developed with the intention of creating an industry standard for the transfer of digital video content.  The interface is designed to transmit uncompressed digital video and can be configured to support multiple modes such as DVI-D (digital only), DVI-A (analog only), or DVI-I (digital and analog).  APPLICATIONS: :  DVI is predominantly associated with computers, it is sometimes used in other consumer electronics such as television sets, video game consoles and DVD players. 6. SCART (Syndicat Des Constructeurs D'appareils Radiorécepteurs Et Téléviseurs):  Digital SCART is a French-originated standard and associated 21-pin connector for connecting audio-visual (AV) equipment.  In Europe, SCART is used to be the most common method of connecting AV equipment, and was a standard connector for such devices; it was far less common elsewhere. As it was designed to carry analogue standard-definition content.  APPLICATIONS: :  The SCART system was intended to simplify connecting AV equipment (including TVs, VCRs, DVD players and games consoles).  The signals carried by SCART include both composite and RGB (with composite synchronisation) video, stereo audio input/output and digital signaling.
  8. 8. 8 7. HDMI (High-Definition Multimedia Interface):  HDMI is a compact audio/video interface for transferring uncompressed video data and compressed or uncompressed digital audio data from a HDMI-compliant source device to a compatible computer monitor, video projector, digital television, or digital audio device.  HDMI implements the EIA/CEA-861 standards, which define video formats and waveforms, transport of compressed, uncompressed, and LPCM audio, auxiliary data, and implementations of the VESA EDID.  Several versions of HDMI have been developed and deployed since initial release of the technology but all use the same cable and connector. Newer versions optionally support advanced features such as 3D, an Ethernet data connection and improved audio and video capacity, performance and resolution.  The HDMI specification defines the protocols, signals, electrical interfaces and mechanical requirements of the standard.  APPLICATIONS: :  The Blu-ray Disc and HD DVD players.  Digital cameras and camcorders.  Personal computers.  Tablet computers.  Mobile phones. 8. DISPLAY PORT:  DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.  The VESA specification is royalty-free. VESA designed it to replace VGA, DVI, and FPD- Link. Backward compatibility to VGA and DVI
  9. 9. 9 by using active adapters, enables users to use Display Port fitted video sources without replacing existing display devices.  APPLICATIONS: :  Used to connect a video source to a display device such as a computer monitor.Also used to carry audio, USB, and other forms of data. 9. IEEE 1394 INTERFACE:  The IEEE 1394 interface is a serial bus interface standard for high-speed communications and isochronous real-time data transfer. It was developed in the late 1980s and early 1990s by Apple, who called it FireWire.  IEEE 1394 is the High-Definition Audio- Video Network Alliance (HANA) standard connection interface for A/V (audio/visual) component communication and control.[3] FireWire is also available in wireless, fiber optic, and coaxial versions using the isochronous protocols.  APPLICATIONS: :  IDB-1394 Customer Convenience Port (CCP) is the automotive version of the 1394 standard used in automobile.  Mac OS X, Linux, and FreeBSD include support for networking over FireWire. Windows 95, Windows 98, Windows Me, Windows XP and Windows Server 2003 include native support for IEEE 1394 networking.  IPods released prior iPod with Dock Connector used IEEE 1394a ports for syncing music and charging.

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