MUST 1220 Lecture Notes - Lecture 13: Professional Audio, Music Technology, Multitrack Recording

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Cables- one of the most common points of noise entry is the cable. From mic to recorder, noise can accumulate and damage final sound output. Unbalanced cables are constructed with 2 conducting wires. One is hot (+) wire and ground wire conductor (aka shield wire) ground cable and prevents noise from getting into signal through hot wire. Not as effective with longer cables = noise increases as cable length increases. Balanced cables have 3 conducting wires = hot (+), cold (-), and ground wires. Hot and cold wires carry signal and ground is grounded. Connectors = inch and 1/8 inch phone plug is used for many devices, usually headphone plug. Tip of connector is hot and sleeve is ground. 1/8 inch is like but smaller, used more with cd and mp3 players. Rca phone plug is unbalanced and with many high-fi system. Standard n/audio (cid:272)a(cid:271)le, used with serious audio (cid:272)o(cid:374)su(cid:373)er"s sou(cid:374)d (cid:272)ards.

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