An audio router is a device that transports
audio
Audio most commonly refers to sound, as it is transmitted in signal form. It may also refer to:
Sound
* Audio signal, an electrical representation of sound
*Audio frequency, a frequency in the audio spectrum
* Digital audio, representation of sou ...
signals from inputs to outputs.
Inputs and Outputs
The number of inputs and outputs varies dramatically. The way routers are described is normally ''number of inputs by number of outputs'' e.g. 2x1, 256x256.
Signals
The type of signals transported - switched can be
analogue - Analog - audio signals or
Digital.
Digital audio usually is in the
AES/EBU
AES3 is a standard for the exchange of digital audio signals between professional audio devices. An AES3 signal can carry two channels of pulse-code-modulated digital audio over several transmission media including balanced lines, unbalanced l ...
standard for broadcast use. Broadband routers can route more than one signal type e.g. analogue or more than one type of digital.
Crosspoints
Because any of the inputs can be routed to any output, the internal arrangement of the router is arranged as a number of crosspoints which can be activated to pass the corresponding signal to the desired output.
Some Manufacturers of audio routers
*
Lawo
Datavideo*
Imagine Communications
Imagine Communications is an Irish internet service provider and telecommunications operator, who provide WiMAX, wireless broadband and resell Eircom telecommunications wholesale packages. The company operates in Ireland, the United Kingdom, the ...
* AEQ
*
FOR-A
*
Klotz Digital
Klotz Digital AG was a manufacturer of audio media products based in Munich, Germany; founded in 1990 and acquired in 2009. The company was active in the two business segments Public Address and Radio & TV Broadcast. Its products include systems ...
*
NVISION
*
Panasonic
formerly between 1935 and 2008 and the first incarnation of between 2008 and 2022, is a major Japanese multinational conglomerate corporation, headquartered in Kadoma, Osaka. It was founded by Kōnosuke Matsushita in 1918 as a lightbulb ...
*
Philips
Koninklijke Philips N.V. (), commonly shortened to Philips, is a Dutch multinational conglomerate corporation that was founded in Eindhoven in 1891. Since 1997, it has been mostly headquartered in Amsterdam, though the Benelux headquarters i ...
* Ross Video
*
Snell & Wilcox
*
Sony
, commonly stylized as SONY, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. As a major technology company, it operates as one of the world's largest manufacturers of consumer and professiona ...
*
Thomson Grass Valley
Utah ScientificMatrix Switch Corporation
See also
*
Video router
A video router, also known as a video matrix switch or SDI router, is an electronic switch designed to route video signals from multiple input sources such as cameras, VT/DDR, computers and DVD players, to one or more display devices, such as ...
*
Vision mixer
A vision mixer is a device used to select between several different live video sources and, in some cases, compositing live video sources together to create visual effects.
In most of the world, both the equipment and its operator are called ...
Television technology
Television terminology
{{technology-stub