Factors that influence how long an HDMI cable can beĪs we previously mentioned, it is difficult to give a precise number regarding how long an HDMI cable can be – this is because many factors affect how long an HDMI cable can be, such as the following: In the rest of this article, we will explore the various factors that influence how long an HDMI cable can be, how HDMI certification factors affect how long an HDMI cable can be, and how consumers can extend the length of their HDMI connection. At the top end, you can find fiber optic HDMI Ultra High Speed certified cables which can carry an frames per second signal over a maximum distance of 49.2 feet.Some cables incorporate an equalizer (EQ) chip and are HDMI High Speed certified, meaning they can transmit a frames per second signal over a maximum distance of 50 feet.An HDMI Standard certified cable can transmit frames per second signal over a maximum of 45 feet, and a HDMI High Speed certified cable can transmit a frames per second signal over a maximum of 25 feet.For general reference purposes, however, here are some numbers: How long HDMI cables can carry 1080P/4k/8k signalsįor reasons that we will explain shortly, it’s hard to give an exact number regarding how long an HDMI cable can be.
In contrast, with analog formats, devices send visual and audio information in the form of a continuously varying voltage this results in “graceful” degradation of the signal because the receiving device does not need to decide if a specific voltage pulse is exactly a one or a zero. This degradation can manifest as artifacts on the screen or strange noises in the audio. TV, AV receiver) being unable to accurately decide if a specific voltage pulse is a one or a zero when this occurs, the visual and audio information that consumers are viewing is severely degraded. Often, over long cable runs, the voltage pulses become less pronounced, resulting in the receiving device (e.g.
That being said, compared to the earlier analog standards, the HDMI standard does have a significant disadvantage because visual and audio information flows over an HDMI cable as a digital signal, degradation of the signal affects how long an HDMI cable can be. Unlike the earlier standards, the HDMI standard enabled devices to send visual and audio information digitally, thereby allowing consumers to experience visual and audio information at a previously unheard-of level of quality.
When the high-definition multimedia interface (HDMI) standard first came to the market, it ushered in a new era of visual and audio quality for consumers.
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