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The HDMI cable is a type of cable used to transmit high-quality digital audio and video signals, primarily for connecting devices such as TVs, monitors, computers, gaming consoles, and home theater systems. HDMI (High-Definition Multimedia Interface) technology allows for the simultaneous transmission of high-definition video and digital audio, supporting high resolutions, 3D video, and even ultra-high-definition standards like 4K and 8K.
HDMI cables come in different versions (e.g., HDMI 1.4, 2.0, 2.1, etc.), and each version supports varying maximum resolutions, refresh rates, and other features. Choosing the appropriate HDMI cable ensures the best audiovisual performance between devices. However, it's important to note that the version number of HDMI does not strictly define the specific features included in a device. This is because certain features are optional and not mandatory for specific HDMI versions. The option for optional features allows manufacturers to select and implement those that best serve their target markets.
HDMI specifications are divided into four categories, each corresponding to different transmission speeds and video quality:
．Standard HDMI: Corresponds to HDMI 1.2, supporting 1080p resolution.
．High Speed HDMI: Corresponds to HDMI 1.3–1.4, supporting 30Hz 4K resolution.
．Premium HDMI Cable: Corresponds to HDMI 2.0–2.0a, supporting 60Hz/30Hz 4K/8K resolution.
．Ultra High Speed HDMI Cable: Corresponds to HDMI 2.1 and later versions, supporting 120Hz/60Hz 4K/8K resolution.
"Standard HDMI cables" may optionally support specific sub-technologies defined by the HDMI version, while "High Speed HDMI cables" universally support standards such as Deep Color and xvYCC. Both Standard and High Speed HDMI cables may optionally support Ethernet connectivity. HDMI 2.1 introduces a new 48G cable specification, which includes all features.
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The HDMI cable is a type of cable used to transmit high-quality digital audio and video signals, primarily for connecting devices such as TVs, monitors, computers, gaming consoles, and home theater systems. HDMI (High-Definition Multimedia Interface) technology allows for the simultaneous transmission of high-definition video and digital audio, supporting high resolutions, 3D video, and even ultra-high-definition standards like 4K and 8K.
