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HDMI connector

HDMI connector

$1.00 USD
$1.00 USD
特價 售罄

HDMI stands for High-Definition Multimedia Interface. It is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device to a compatible display.

Primary Function:
To deliver a single, streamlined, all-digital connection for high-definition video and multi-channel audio, replacing older analog standards like VGA and component video, and consolidating cables by combining audio and video into one.

Key Characteristics:

  1. All-Digital: Transfers pure digital signals, resulting in a higher quality image and sound compared to analog connections.

  2. Audio & Video Combined: Carries both high-definition video and multiple channels of audio in a single cable, reducing clutter.

  3. Uncompressed: Transmits the full, raw video signal without compression, preserving the highest possible quality.

  4. Copy Protection: Incorporates HDCP (High-bandwidth Digital Content Protection) to prevent unauthorized copying of copyrighted content.

Common Types (Form Factors):

While there are several types, the three most common are:



Type Most Common Use Key Feature
Type A (Standard) The most widely used type. Found on:
• Televisions
• Monitors
• Projectors
• Game Consoles
• Blu-ray Players
• AV Receivers 		19 pins, a familiar trapezoidal shape that is designed to be user-friendly and not easily inserted upside down.
Type C (Mini) For portable devices.
• Digital Cameras
• Camcorders
• Small tablets 		Smaller than Standard but has the same 19-pin configuration. Not as common as it once was.
Type D (Micro) For very small mobile devices.
• Smartphones
• Small Tablets
• Action Cameras 		The smallest form factor, with 19 pins in a configuration similar to a micro-USB connector.

Other types (B, E) exist but are for very specialized industrial or automotive applications.

Version History (Simplified):

HDMI standards have evolved to support higher resolutions, faster refresh rates, and new features:

  • HDMI 1.4: Added support for 4K at 30Hz and Ethernet channel.

  • HDMI 2.0: Increased bandwidth to support 4K at 60Hz and HDR.

  • HDMI 2.1: The current major standard. Supports higher resolutions like 8K and 4K at 120Hz, Variable Refresh Rate (VRR), and Enhanced Audio Return Channel (eARC). Requires "Ultra High Speed" certified cables.

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