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2. Equalization (audio) - Wikipedia

   en.wikipedia.org/wiki/Equalization_(audio)

   Stereo 31-band 1/3-octave graphic equalizer for use in sound reinforcement applications. In the graphic equalizer, the input signal is sent to a bank of filters. Each filter passes the portion of the signal present in its own frequency range or band. The amplitude passed by each filter is adjusted using a slide control to boost or cut frequency ...

3. Smiley face curve - Wikipedia

   en.wikipedia.org/wiki/Smiley_face_curve

   Smiley face curves have been popular with some car audio enthusiasts, disc jockeys, electric bass players, home stereo owners and sound reinforcement operators. [ 2 ] [ 3 ] Though the graphic equalizer was intended to tailor a system's response to compensate for venue and performance conditions, the smiley face curve is sometimes applied as a ...

4. Sound reinforcement system - Wikipedia

   en.wikipedia.org/wiki/Sound_reinforcement_system

   Graphic equalizer. Equalizers are electronic devices that allow audio engineers to control the tone and frequencies of the sound in a channel, group (e.g., all the mics on a drumkit) or an entire stage's mix. The bass and treble controls on a home stereo are a simple type of equalizer.

5. Tone control circuit - Wikipedia

   en.wikipedia.org/wiki/Tone_control_circuit

   Tone control is a type of equalization used to make specific pitches or frequencies in an audio signal softer or louder. It allows a listener to adjust the tone of the sound produced by an audio system to their liking, for example to compensate for inadequate bass response of loudspeakers or earphones, tonal qualities of the room, or hearing impairment.

6. Stage monitor system - Wikipedia

   en.wikipedia.org/wiki/Stage_monitor_system

   Graphic equalizers are fixed frequency equalizers; The center frequency of each band can not be adjusted. The bandwidth or Q of each band can either be 1/3, 2/3 or one octave, giving a 31-band, 15-band, or 10-band for a graphic equalizer that covers the audio frequency range. The narrower the band the more precisely the feedback frequency can ...

7. Audio signal flow - Wikipedia

   en.wikipedia.org/wiki/Audio_signal_flow

   Audio signal flow is the path an audio signal takes from source to output. [1] The concept of audio signal flow is closely related to the concept of audio gain staging; each component in the signal flow can be thought of as a gain stage. In typical home stereo systems, the signal flow is usually short and simple, with only a few components.