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Please help Wikipedia by adding references. See the talk page for details. | A live sound reproduction system has two main forms: Image File history File links This is a lossless scalable vector image. ...
A "sound reinforcement" system enhances the volume of the initial sound and will be designed so that as much as possible the listener will not realise that an artificial system is being used to make it easier for them to hear the initial sound. Such systems are typically deployed in Churches, meeting rooms and smaller conference venues. The volume of a solid object is the three-dimensional concept of how much space it occupies, often quantified numerically. ...
Sound is a disturbance of mechanical energy that propagates through matter as a wave. ...
A "public address" (PA) system is a usually simpler design that just amplifies the initial sound and it will be obvious to the user that it is being used. PA systems require a microphone, an amplifier of some kind and a loudspeaker and can range in size and complexity between handheld (megaphone) or requiring several large trucks to move. Generally, an amplifier is any device that will use a small amount of energy to control a larger amount of energy. ...
PA systems A basic band setup is detailed in the image below: Here we have a typical setup consisting of a Front Of House (FOH) mixing desk, connected via a Multicore or Snake to the stagebox on stage. Returns on the stage box allow the outputs from the mixing desk (Program Left, Right, Centre (MONO)and Foldback channels or monitor sends) to be connected to the amplifier rack, containing the Amps, and perhaps an active crossover network. The amps in turn are then connected to the Speaker stacks. Depending on the system used, there may be several cabinets per side, varying from Sub (20 Hz-100 Hz) Bass (80 Hz-350 Hz) Mid (300 Hz-4 kHz) and Top (3 kHz-20 kHz). An alternative to "stacks" comprised of multiple cabinets, each covering a unique frequency range cabinets are "full-range" enclosures, one of which could cover all except the lowest (Sub) part of the frequency range. Image File history File links This is a lossless scalable vector image. ...
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BBC Local Radio Mark III radio mixing desk In professional audio, a mixing console, mixing desk (Brit. ...
A multicore cable is a generic term for an electrical cable that has multiple cores. ...
A multicore cable is a generic term for an electrical cable that has multiple cores. ...
Microphones, DI Box and balanced Line Level signals can be connected to the stagebox to feed the input channels on the mixing desk via the multicore. A DI unit or DI box is an electronic device designed for connecting a piece of equipment with an electronic audio output to a standard microphone or line level input. ...
Balanced audio connections are extremely important in sound recording and production because they allow for the use of very long cables with reduced introduction of outside noise. ...
Line level is the strength of an audio signal used to transmit analog sound information between audio components such as CD and DVD players, TVs, amplifiers, and mixing consoles. ...
A multicore cable is a generic term for an electrical cable that has multiple cores. ...
Front of house At the Front of House (FOH) position there is a mixing desk and, ideally, a 19" Rack containing various outboard equipment, performing equalisation, dynamic processing, effects and 2 track playback (Usually CD or MiniDisc).
Monitors Monitors are usually wedge shaped speakers placed in front of the musicians / artist on the stage, or stacks of speakers on both sides of the stage called "side fills". There is usually another stack of speakers for the drummer, called the "drum fill" or "drum mix". They can be fed with a signal either from the FOH position, or from an on stage monitor desk. The monitor desk can direct any microphone or other channel plugged into the "main splitter" to "mixes" or stage positions around the stage. A concert with a full band will typically have 6 to 12 mixes or sets of speakers, so the performers can hear themselves and each other during the performance. The onstage performers tell the "monitor engineer" or "monitor mixer" what instrument levels he or she wants in their mix. Increasingly, more people are opting for wireless in-ear monitors. IFB (interruptible foldback often misidentified as interruptible Feedback) systems are used in broadcast and motion picture production for crew communication, audio monitoring and cueing. ...
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See also Live sound mixing is the art of combining and processing a number of audio signals together to create a mix that the audience or performers at a live show hear. ...
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