From major movie theatres, to
home theatre set-ups, gaming, arcade, and to other public areas, it is common
to see the use of surround sound systems. These surround sound systems work by
increasing the dimension of the sound or sound waves, thus enhancing the
overall audio experience of the listener. Surround sound is different from the
standard one-dimensional audio production, which is referred to as mono or
Left-Right, because the former is multidimensional, usually with the use of two
or three dimension. The speaker system used encircles the listener, thus
immersing them in the sound. Speakers are effectively laid out with accurate
calibration with the use of receiver’s set-up utility so that each of these
speakers can provide the correct setting relative to the position of the
listener.
A surround sound system has
several components. There are, however, two major components that needs to be
discussed with these systems: the speakers and the receivers. The speakers are
also called channels and they are the devices where in the sound comes from.
The receiver, on the other hand, is a single component that receives all of the
necessary audio inputs and transfers these to the speaker or outputs. These two
work hand-in-hand in order for the surround sound system or set-up to be
effective in improving the overall digital experience.
Other important information that
regarding surround sound system that needs to be discussed are the forms of
surround sound as well as the positioning of the system. Over the course of
years, there has been a lot of improvement seen in these devices. The forms of
surround sound depends on the number of speakers that are being used. The
important thing to note here is that the greater the channels or speakers being
used in your set-up, the fuller and richer the sound is going to be, but this
does not necessarily improve the quality of the sound.
A 5.1 Surround System is one of
the most common forms that is being used today. These have 5 audio channels and
1 subwoofer. It normally includes Front Left, Front Right, Front Center, Low
Frequency (Subwoofer), Back Left, and Back Right Speakers. You normally would
want the listener to be in the center. In addition, the speakers should be
arranged so that they point to the middle of the space where the listener is
positioned.
Another common form of surround
system is the 7.1 surround sound system. These have 7 digital audio channels
and 1 subwoofer. Basically, the set-up and arrangement of these forms are quite
similar to the 5.1 surround sound system. The difference is that the left side
and right side speakers should be at least 90 degrees to center of the room,
but still positioned on the same circle. The back and left right are placed at
130 degrees and -130 degrees respectively. There are still many more forms of
surround sound systems which are being used today. These can include the 6.1
surround sound system, and older designs such as 4.1 or 4.0. The choice of
which form to use depends on the space of the room and the quality demanded by
the listener.
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