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SPDIF: Instead of comparing cables, let’s compare formats or digital connection protocols. You have to choose between physical toughness and attenuation problems versus fewer attenuation problems but less durability. However, it comes at the cost of cable fragility or sensitivity to kinks and bends that aren’t as big of an issue with optical cables. In contrast, you won’t have to worry about attenuation or signal loss proportional to cable thickness with fiber-optic TOSLINK cables. The thicker the cable the less attenuation or signal loss will happen over the length of the cable but at the cost of expensiveness and more inflexible cables. It can be as thin as RG6 cables or as thick as RG11 cables. The coaxial cable is characterized for having a tubular insulating layer surrounding an inner conductor that tends in turn covered by another tubular conducting shield, all for the sake of avoiding RFI and EMI. Why? It’s because either cable can be used on SPDIF and optical can serve as a good frame of reference in regards to the coaxial format’s quality in light of how similar they are port-wise and cable-wise. Optical: This is a related debate to coaxial vs. In terms of audio quality, there’s little to no difference between an optical or coaxial (whether it’s the cables or the format). This cable is one of the most common ways to transfer digital audio from one device to another. Unlike SPDIF, which was made to work with various cables because it doesn’t have a SPDIF-specific cable, the coaxial format only uses coaxial cables from RG6 to RG11. More to the point, you won’t have to worry about kinks or bends destroying the integrity of the coaxial cable compared to the more sensitive optical cable. Such cables are tougher and harder wearing than your average optical or TOSLINK cables to boot.
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The cables it makes use of have all the necessary shielding against electromagnetic interference (EMI) and radio frequency interference (RFI). This is an electrical output that works at multiple megahertz ranges of radio frequencies in order to digitally transmit information like audio through its cables. It was invented by English physicist, engineer, and mathematician Oliver Heaviside back in the 19 th Century, with it getting a patent in 1880.