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TWISTED PAIR CABLE - Pinanson
https://pinanson.eu/en/glossary/twisted-pair-cable/#:~:text=Microphone%20and%20Line%20level%20audio%20signals%20between%20-60,and%20a%20shield%2C%20which%20we%20call%20unbalanced%20cable.
An analog voice (audio) signal passing through twisted pair.
https://web.mst.edu/~kosbar/ee3430/ff/transmissionlines/example_twistedpair/audio/index.html
Audio Signals Through Twisted Pair. The telephone system originally sent analog signals through twisted pair cables. To see the problems they faced, here is a sample telephone call. 911 Call. Audio. Below is an animation that shows what the signal looks like as it passes through an increasingly long cable, ending at 100 km length. Telephone audio signals use frequencies up …
Twisted Pairs: Why are Wires Twisted? – Audio University
https://audiouniversityonline.com/twisted-pairs/
The twisted pair of electrical wires is a cabling technique used in audio and network technology, among many others. Wires are twisted together to accomplish two main goals: reduce outgoing noise and reduce incoming noise related to electromagnetic interference.
Audio and Video over Twisted Pair | Forum for Electronics
https://www.edaboard.com/threads/audio-and-video-over-twisted-pair.42316/
The impedance of a twisted pair is in the 100+Ω region, so a 150Ω audio transformer should fit probably into this equation. These transformers can transmit signals in the range of 30Hz to ≥25kHz. If you have one receiver, then another 150Ω transformer will be the match for the line; if you have 4 receivers, then each of the receivers can have a 600Ω …
Twisted pair cables - ePanorama.net | Audio | Video | …
https://www.epanorama.net/documents/wiring/twistedpair.html
You can sometimes (quite rarely nowadays) hear 600 ohms matchign also in audio world. Shielded Twisted Pair Cable is used to eliminate inductive and capacitive coupling. Twisting cancels out inductive coupling, while the shield eliminates capacitive coupling. Most applications for this cable are between equipment, racks and buildings.
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