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Signal Flow : Introduction
Table of contents
Learning Outcomes:
- Understand the role of preamps, power amps and line level
- Know what a mixing desk does
- Know what 'Multitrack Recording' and 'Overdub' means
- Be able to plan the process of recording a song
- Be able to use microphones, mixing desks and amplifiers correctly
What is a signal?
A Signal is an electronic representation of sound
Signal flows in one direction: Forward
Such axioms underpin the entire process of recording music:
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Speakers need to be connected with wire.
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The sound comes from the stereo and goes to the speakers.
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We plug in a microphone and the signal flows through the cable from the
mic to the stereo.
In a concert, the signal flow begins at the microphones, goes through the
mixing desk, through the amplifiers and out the speakers. A signal cannot
flow in the opposite direction ( although speakers can be used for microphones,
if they are plugged into the microphone socket ).
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