When it comes to radio broadcasting equipment suppliers, an AV receiver serve as a control center in the home theater and connect the different devices together both for listening to audio sources as well as for watching video sources (web streaming and Blu-ray disc players) no different amplifier and speaker sets are needed.
For instance, a built in home theater video projector be connected to a single cable to the AV receiver and optionally the images of different input devices while the connected speakers reproduce the corresponding sound.
For the implementation of these tasks, an AV receiver is equipped with interfaces of different number and different formats (such as HDMI, S-Video, Toslink) for each of its inputs and outputs. The more numerous the connections offered and supported formats, the more versatile the AV receiver can be.
Multi-channel sound decoder
Matrix-encoded stereo sound can again be transformed into a 5.1 signal (Dolby Pro Logic II and IIx). Today’s models can continuously decode various forms of digital audio formats, which can be played via a RCA cable (S / PDIF) or optical fiber.
Blu-ray discs, DVD-Audio and SACD discs often contain very high quality digital audio formats (such as DTS HD Master Audio, Dolby TrueHD, DSD) that need to be linked to the AV receiver via its HDMI inputs for HDMI only interfaces that can transfer the necessary high data rates from the player to the AV receiver.
The audio mixer or sound mixer provided by radio broadcasting equipment suppliers is an electronic device which connect various audio equipment, such as microphones, line inputs, samplers and synthesizers. The sound signals are processed in various ways to yield a mixture of audio output: mono, stereo or multichannel. The usual processing mixers includes sound level variation of each input, EQ, effect sends, insert effects, panorama (for mono channels) and balance (for stereo channels).
Other mixers allow the combination of several channels in mixed groups (known as clusters) to be treated as a whole, the hard disk recording, a mixture of 2 or more channels through a crossfader.
These tables are used in different media, from music recording studios, radio, television or film editing, as an indispensable tool in the production and broadcast of audio. They are also the primary tool for DJs and other live performers.
The nonlinearities in the triode power, they not only amplification, also provided the possibility of mixture of different signals. It is very difficult to find the patent for what would be the first mixer, yet can be traced as its antecedent old consoles.
