HDMI cables are slightly expensive than the other two variants. HDMI audio connections are designed to support high-quality sound formats such as DTS-HD Master Audio, Dolby TrueHD, Dolby Atmos and DTS:X.ĭigital coaxial and optical cables do not support video transmission, and this is where HDMI cables make a difference. The optical digital signals can transmit DTS and Dolby Digital sounds, whereas digital coaxial cables offer 5:1 channel surround sound. Optical cables are enveloped with a dark sheath that helps prevent interference of other light sources. The optical fibers may be made of materials like glass, silica, and plastic. Against this, optical cables are made of optical fibers. HDMI cables comprise four shielded twisted pairs of copper wires. The following pointers will help you understand them in depth.Ĭoaxial cables and HDMI cables feature copper wires. The design of these cables largely differ from optical and coaxial cables discussed above.Ĭomparisons between Optical, Digital Coaxial and HDMI Audio ConnectionsĪlthough 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. These cables facilitate the easy transmission of digital audio and video signals through one cable. At the receiver end, the signal is again converted to an electrical signal.Ĭoaxial and optical cables have been around for a while, however, HDMI cables were introduced in 2002. The audio signals are converted to optical signals before it reaches the receiver. The audio signals are usually transferred through these fibers. These cables are made of optical fibers, thus the name. Digital coaxial cables only transmit audio signals. These cables theoretically assure superior sounds and great bandwidth. 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. Coaxial cables look similar to a traditional RCA connector, which is often chosen for its durability and rugged construction. You can find everything you need right here, available to buy in store for convenient pick-up, or alternatively, you can buy online for easy home delivery.They are one of the most common choices for making digital audio connections. Making it easy to find exactly what you need, you can find a variety of TV and entertainment accessories online at Harvey Norman. So, if you’re looking for an HDMI cable, a video cable, an aerial cable or any other type of cable, take a look at the options we have available to find the best one for you. What about a new cable? We stock a variety of cables in a range of lengths, from brands such as Monster, Belkin, Crest and Philips. Whether you’re looking for a joiner, a splitter, a socket adapter or a travel adapter, check out our range to find the option that best suits your needs. Looking for an adapter? Take a look at our superb range of adapters, offering simple solutions to your power and connection needs. You can find all the top brands in one accessible place, including Monster, Belkin, Philips and Crest. With our great range of cables and adapters, you will have your home entertainment system set up and connected in no time! Whether you’re looking for an HDMI cable or an antenna cable, a power cable or an adapter, check out our great range of cables and adapters to find the accessory you need. Get connected with our range of TV & home theatre cables & adapters Rug Deals Mid-season savings on selected Rugs! Hibernation Haven Shop our latest Quilts & Pillows
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