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The digital technology revolution has enriched our acoustic and viewing experiences. Today, you can find a variety of choices when it comes to audio-visual devices and their connections. Optical, coaxial, and HDMI are the popular choice of cables when it comes to connecting a DVD player, TV, soundbar, video game console, or a set-top box. Each of these connectors possess typical features, and often people get confused about their selection. This post aims to simplify the selection by discussing these cable technologies in detail and their contribution to brilliant acoustic experiences.
These connectors share some similarities, however, they are not equally created. The following pointers will help you understand it better.
Digital Coaxial Cables:
They are one of the most common choices for making digital audio connections. Coaxial cables look similar to a traditional RCA connector, which is often chosen for its durability and rugged construction. Generally, thicker than regular RCA cables, digital coaxial cables are made of shielded single copper wires, which are similar to the ones that you use to connect your television sets to the cable box. These cables theoretically assure superior sounds and great bandwidth. Digital coaxial cables only transmit audio signals.Optical Cables:
These cables are made of optical fibers, thus the name. The audio signals are usually transferred through these fibers. The audio signals are converted to optical signals before it reaches the receiver. At the receiver end, the signal is again converted to an electrical signal.HDMI Cables:
Coaxial and optical cables have been around for a while, however, HDMI cables were introduced in 2002. These cables facilitate the easy transmission of digital audio and video signals through one cable. The design of these cables largely differ from optical and coaxial cables discussed above.Although each of these audio connections have typical features and have been widely used for making sound connections, they differ in terms of designs and results. The following pointers will help you understand them in depth.
Construction:
Coaxial cables and HDMI cables feature copper wires. HDMI cables comprise four shielded twisted pairs of copper wires. Against this, optical cables are made of optical fibers. The optical fibers may be made of materials like glass, silica, and plastic. Optical cables are enveloped with a dark sheath that helps prevent interference of other light sources.Audio:
The optical digital signals can transmit DTS and Dolby Digital sounds, whereas digital coaxial cables offer 5:1 channel surround sound. HDMI audio connections are designed to support high-quality sound formats such as DTS-HD Master Audio, Dolby TrueHD, Dolby Atmos and DTS:X.Video:
Digital coaxial and optical cables do not support video transmission, and this is where HDMI cables make a difference. These cable can support both formats. HDMI cables are slightly expensive than the other two variants. If you are trying to cut down on connector investment by choosing coaxial or optical cables, perhaps, you may end up buying second type of cables for video transmissions. In this case, the total cost of these two different types of cables will be more than a single HDMI cable.Bandwidth:
The optical cable can support bandwidth up to 96 kHz and coaxial cables have slightly higher bandwidth than that, as they can support high-quality audio formats up to 192 kHz. HDMI cables have evolved over the years and they support high bandwidths. HDMI 2.1 cables introduced in 2018 theoretically offer the bandwidth of 48 Gbps.Although the limitations of each of these cables must be much clear by now, the following pointers will help you understand it better.
Coaxial Cables:
Coaxial cables support high bandwidth than optical cables and possess sturdy construction. High bandwidth means brilliant acoustic experience, but users can rarely differentiate between sound qualities of the two cables. Also, coaxial cables do not support high quality loseless audio formats, and are vulnerable to possible electromagnetic and radio frequency interference.Optical Cables:
These cables assure a clear acoustic experience as they are made of optical fibers, which are known for their resistance to electromagnetic and radio frequency interference. The main downside is that optical cables cannot carry many high quality loseless audio formats. They can be easily detached and possess less sturdy construction than coaxial cables.HDMI Cables:
They allow high digital audio bitrates than optical and coaxial cables. The sound quality is better than other two cable types. These cables transmit multi-channel audio formats such as DTS:X and Dolby Atmos. The HDMI audio connection cables can also support current and new video formats such as Ultra HD 4K resolution, as well as HDR formats.Coaxial, digital coaxial, and HDMI cables are nowadays available in different configurations and you can choose the ones that meet our application requirements. The demand for HDMI cables is increasing owing to different advantages that it offers. Many businesses using traditional cables are using HDMI to fiber converters for improving the quality of signal transmission. There are several brands that offer these converters and VERSITRON stands tall among them. The company specializes in the design and manufacturing of copper to fiber converters, ethernet media converters, and so on.
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Model |
Product Name |
RFQ |
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10/100 Base TX to 100 Base FX Fiber Optic Media Converter, Multimode ST |
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10/100 Base TX to 100 Base FX Fiber Optic Media Converter, Multimode SC |
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10/100 Base TX to 100 Base FX Fiber Optic Media Converter, Single-mode SC |
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10/100Base-TX to 100Base-FX Single Fiber Media Converter |
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10/100/1000Base-T to 1000Base-SX/LX "Triple Duty" Gigabit Media Converter with SFP GBIC Technology |
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Multimode to Singlemode | Fiber Optic Media Converter |
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10/100/1000Base-T to 100/1000Base-X PSE Converter | Gigabit Ethernet with PoE+ Technology |
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