Multi-channel Surround Sound Systemsĥ.1 Surround sound systems are one of the widely used surround sound setup in home theater systems. The decoder decodes the DTS sound from single channel to multiple channels), while higher-end receivers may also include DTS-ES or THX Surround. It is a single channel digital pin that multiplexed with several channel. Most A/V receivers today can decode Dolby Digital and Digital Theater Sound (DTS) ( DTS channel usually a coaxial or optical audio channel. Decoding capabilities of an A/V receiver are built in.
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When you play the DVD movie, your DVD player or A/V receiver (commonly called a home theatre receiver) decodes the encoding scheme (i.e. Dolby Pro Logic II or DTS for example). Using a DVD/HVD movie, the audio is encoded when the DVD/HVD is produced by packing multiple audio channels into a compressed format for storage. The main component of a surround sound setup is a multi channel or digital coaxial/optical audio decoder. This is programmed into the source and the sound tracks are decoded when the source is played. All technical aspects aside, surround sound works because multiple audio channels are received through speakers that are positioned at various locations in the room. Surround sound is a way to provide a more realistic and engaging experience. Surround sound is a term used to describe a type of audio output in which the sound appears to “surround the listener” by 360 degrees – that is, the technology gives the impression that sounds are coming from all possible directions. The first digit shows the number of primary channels (called satellite units), each of which are reproduced on a single speaker (these speakers are capable for handling the frequency range from 100Hz to 22Khz), while the second (decimal digit) refers to the presence of LFE (Low Frequency Effect), which is reproduced on a subwoofer. Some audio systems only have a single channel (called monophonic sound or single channel audio) or two channels (stereophonic sound or 2.0 channel sound) Usually two digits separated by a decimal (.) point (2.1, 4.1, 5.1, 6.1, 7.1, etc.) are used to classify the various kinds of speaker set-up, this number basically depending on how many audio tracks are used. The term “multi-channel audio” means that, the audio system can be capable of handling multiple audio channels (usually called audio tracks) to rebuild the sound on a multi-speaker setup. Multi-channel audio systems are widely used in modern sound devices. MOTIONAL FEEDBACK AMPLIFIER Multi-channel Audio The different types of sound systems available and other common sound formats are also explained in detail.
In this article, the working and basics of multi-channel surround sound system is explained along with images.
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