Music Technology I

Sound Systems

MixerCentral location of the sound system

Device that “mixes,” combines, changes the level, timbre and/or dynamics of audio signals

2 Types of Mixers

Powered Mixer: Has an amplifier built in

Unpowered Mixer: No built in amplifier

Powered vs. UnpoweredPowered Mixer Unpowered Mixer

Open the online mixing board we were playing with the other day…

Channel StripPart of the board where you can

adjust the inputs and sound levels to create mixing product. All channel strips are the same on every board. When you know one, you know them all.

GainControls individual channel volumes

PanBalances left and right sound output

EQStands for Equalization

Balances and changes the volume of the frequencies of an audio signal.

Hi, Lo, Mid

MonitorsSpeakers that face musicians

MainsSpeakers that face the audience

Signal FlowThe path the audio signal takes.

Out to In.

Signal Flow

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