Digital Sound & Music: Concepts, Applications, & Science, Chapter 1, last updated 6/25/2013
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The inverted signal containing interference is subtracted from
the original signal containing interference.
Figure 1.27 Interference removed on balance signal
Another important feature of the XLR connector is that it locks in place to prevent
accidentally getting unplugged during your perfect take in the recording. In general, XLR
connectors are used on cables for professional low-impedance microphones and high-end line-
level professional audio equipment.
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