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2. Equalization (audio) - Wikipedia

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

   Equalization, or simply EQ, in sound recording and reproduction is the process of adjusting the volume of different frequency bands within an audio signal. The circuit or equipment used to achieve this is called an equalizer .

3. Digital room correction - Wikipedia

   en.wikipedia.org/wiki/Digital_room_correction

   Digital room correction may involve minimum phase algorithms, to maintain wavefront coherence over the intended frequency range.. The use of analog filters, such as equalizers, to normalize the frequency response of a playback system has a long history; however, analog filters are very limited in their ability to correct the distortion found in many rooms.

4. Sound reinforcement system - Wikipedia

   en.wikipedia.org/wiki/Sound_reinforcement_system

   Low-frequency signals are sent to amplifiers and then to subwoofers, and middle and high-frequency sounds are typically sent to amplifiers which power full-range speaker cabinets. Using a crossover to separate the sound into low, middle and high frequencies can lead to a "cleaner", clearer sound (see bi-amplification ) than routing all of the ...

5. List of Bose home audio products - Wikipedia

   en.wikipedia.org/wiki/List_of_Bose_home_audio...

   The equaliser, connected between pre-amplifier output and power amplifier input, effectively flattens the speaker frequency response. [26] Each speaker has nine identical 4-inch drivers per channel — one on the front for direct sound, and eight on the rear designed to produce reflected sound. [23] [27]

6. 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 ...

7. Home theater in a box - Wikipedia

   en.wikipedia.org/wiki/Home_theater_in_a_box

   A home theater in a box (HTIB) is an integrated home theater package which "bundles" together a combination DVD or Blu-ray player, a multi-channel amplifier (which includes a surround sound decoder, a radio tuner, and other features), speaker wires, connection cables, a remote control, a set of five or more surround sound speakers (or more ...

8. Home audio - Wikipedia

   en.wikipedia.org/wiki/Home_audio

   Modern home cinema systems typically augment the audio output from a DVD player or Blu-ray player with a multi-channel power amplifier and anywhere from two speakers and a stereo power amp (for stereo sound) to a 5.1 channel amplifier and five or more surround sound speaker cabinets (with a surround sound system).

9. Powered speakers - Wikipedia

   en.wikipedia.org/wiki/Powered_speakers

   An active full-range loudspeaker. Powered speakers, also known as self-powered speakers and active speakers, are loudspeakers that have built-in amplifiers.Powered speakers are used in a range of settings, including in sound reinforcement systems (used at live music concerts), both for the main speakers facing the audience and the monitor speakers facing the performers; by DJs performing at ...