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Connectivity
Audio-Video Connections
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Audio and video connections or cables are cables designed to transmit audio and video signals between electronic devices. They allow the connection of different equipment, such as televisions, audio systems, consoles and other devices.
What are Audio and Video Cables or Connections?
Audio and video connections or cables are designed to transmit audio and video signals between electronic devices. These cables facilitate the connection of various equipment such as media players, TVs, audio systems, video game consoles, cameras, and other entertainment devices.
What are the Main Types of Audio and Video Cables or Connections?
Here are some of the most common connections used for transmitting audio and video signals:
RCA (Composite Audio and Video):
Colors: Red (right), white (left), yellow (composite video).
Common use: Connecting audio and video equipment like DVD players and older game consoles.
RCA (RGB Video):
Colors: Red, Green, and Blue (component video).
Used for transmitting RGB (red, green, blue) video signals between electronic devices, providing richer and detailed image quality.
SCART or Euroconnector (Audio and Video):
Multifunctional transmission: Carries multiple signals, including composite video, stereo audio, RGB signals for higher-quality video, and control signals.
21-pin connector: Allows various connections through a single cable.
Automatic input/output switch: Devices connected via SCART often feature an automatic switch for input/output.
HDMI (High-Definition Multimedia Interface):
Features: Transmits high-definition audio and video over a single cable.
Common use: Connecting TVs, Blu-ray players, game consoles, computers, and other devices.
VGA (Video Graphics Array):
Features: Used for transmitting analog video signals between devices, commonly between a computer and a monitor.
Common use: Although replaced by modern digital connections, VGA is still found in some older environments.
DisplayPort:
Features: Digital connection for high-quality audio and video transmission.
Common use: Connecting computers, graphics cards, monitors, and TVs.
DVI (Digital Visual Interface):
Features: Transmits digital video signals.
Common use: Formerly used for computer-to-monitor connections.
3.5mm / 6.3mm Jack (Audio Connector):
Common use: Frequently used for audio signals from headphones, balanced audio signals, and/or microphones.
XLR and Mini XLR:
Features: Transmits audio signals.
Common use: Mainly for carrying analog audio signals, often used for microphones. Versions with 3 and 5 poles are also employed for sending DMX control signals in lighting systems.
Optical or TOSLINK (Digital Audio):
Features: Transmits digital audio signals using light.
Common use: Connecting surround sound systems, soundbars, and other audio devices.
Coaxial (Digital Audio):
Features: Transmits digital audio signals through a coaxial cable.
Common use: Connecting audio devices such as AV receivers.
USB (Universal Serial Bus):
Common use: In addition to the data connection, it is used to transmit audio and video on some devices. But this application would be a minority and therefore on our website these cables are located in their specific section.
It's essential to choose the right type of audio and video cable based on the devices you're connecting and the specific needs of signal transmission. As technology has advanced, digital connections like HDMI have become more common in modern devices due to their ability to transmit high-definition signals and multichannel audio.
Current HDMI Versions:
HDMI 1.0 - HDMI 1.2:
Release: 2002-2005.
Resolutions: Up to 1080p.
Bandwidth: 4.95 Gbps.
HDMI 1.3 - HDMI 1.4:
Release: 2006-2009.
Resolutions: Up to 1080p and 4K (in HDMI 1.4).
Bandwidth: 10.2 Gbps (HDMI 1.3) and 10.2 Gbps (HDMI 1.4).
HDMI 2.0:
Release: 2013.
Resolutions: Up to 4K at 60 Hz.
Bandwidth: 18 Gbps.
HDMI 2.0a - HDMI 2.0b:
Release: 2015.
Added support for high dynamic range (HDR) metadata and higher refresh rates.
HDMI 2.1:
Release: 2017.
Resolutions: Up to 10K.
Bandwidth: 48 Gbps.
Key Features: Increased bandwidth, higher resolutions, higher refresh rates, Variable Refresh Rate (VRR), Quick Media Switching (QMS), Quick Frame Transport (QFT), Auto Low Latency Mode (ALLM).
