5.1 surround sound
5.1 ("five point one") is the common name for six channel surround sound multi-channel audio systems. 5.1 is now the most commonly used layout in both commercial cinemas and home theaters. It uses five full bandwidth channels and one low-frequency effects channel (the "point one"). Dolby Digital, Dolby Pro Logic II, DTS, and SDDS are all commonly 5.1 systems. 5.1 is also the standard surround sound audio component of digital broadcast and music.
All 5.1 systems use the same speaker channels and configuration, having a front left and right, a center channel, two surround channels and a subwoofer.
5.1 Surround
The most common home theater speaker
configuration remains 5.1 (pronounced "five point one"). This layout
harkens back to the late-'70s, mimicking Dolby's commercial surround format.
The 5.1 layout refers to five speakers which are
arranged with three in the front of the room by the display (front left, center
and front right), and then two rear or surround speakers usually at the back of
the room (surround left and surround right). The .1 channel - also known as LFE
for Low Frequency Effects - is the subwoofer, providing extra impact for loud
bass signals like explosions or dinosaur foot stomps.
The
most common home theater speaker configuration remains 5.1 (pronounced
"five point one"). This layout harkens back to the late-'70s, mimicking
Dolby's commercial surround format.
The 5.1
layout refers to five speakers which are arranged with three in the
front of the room by the display (front left, center and front right),
and then two rear or surround speakers usually at the back of the room
(surround left and surround right). The .1 channel - also known as LFE
for Low Frequency Effects - is the subwoofer, providing extra impact for
loud bass signals like explosions or dinosaur foot stomps.
- See more at: http://www.cedia.org/view-all/audio-video#sthash.a9TKSs2A.dpuf
The
most common home theater speaker configuration remains 5.1 (pronounced
"five point one"). This layout harkens back to the late-'70s, mimicking
Dolby's commercial surround format.
The 5.1
layout refers to five speakers which are arranged with three in the
front of the room by the display (front left, center and front right),
and then two rear or surround speakers usually at the back of the room
(surround left and surround right). The .1 channel - also known as LFE
for Low Frequency Effects - is the subwoofer, providing extra impact for
loud bass signals like explosions or dinosaur foot stomps.
- See more at: http://www.cedia.org/view-all/audio-video#sthash.a9TKSs2A.dpuf
The
most common home theater speaker configuration remains 5.1 (pronounced
"five point one"). This layout harkens back to the late-'70s, mimicking
Dolby's commercial surround format.
The 5.1
layout refers to five speakers which are arranged with three in the
front of the room by the display (front left, center and front right),
and then two rear or surround speakers usually at the back of the room
(surround left and surround right). The .1 channel - also known as LFE
for Low Frequency Effects - is the subwoofer, providing extra impact for
loud bass signals like explosions or dinosaur foot stomps.
- See more at: http://www.cedia.org/view-all/audio-video#sthash.a9TKSs2A.dpuf
The
most common home theater speaker configuration remains 5.1 (pronounced
"five point one"). This layout harkens back to the late-'70s, mimicking
Dolby's commercial surround format.
The 5.1
layout refers to five speakers which are arranged with three in the
front of the room by the display (front left, center and front right),
and then two rear or surround speakers usually at the back of the room
(surround left and surround right). The .1 channel - also known as LFE
for Low Frequency Effects - is the subwoofer, providing extra impact for
loud bass signals like explosions or dinosaur foot stomps.
- See more at: http://www.cedia.org/view-all/audio-video#sthash.a9TKSs2A.dpuf
The
most common home theater speaker configuration remains 5.1 (pronounced
"five point one"). This layout harkens back to the late-'70s, mimicking
Dolby's commercial surround format.
The 5.1
layout refers to five speakers which are arranged with three in the
front of the room by the display (front left, center and front right),
and then two rear or surround speakers usually at the back of the room
(surround left and surround right). The .1 channel - also known as LFE
for Low Frequency Effects - is the subwoofer, providing extra impact for
loud bass signals like explosions or dinosaur foot stomps.
- See more at: http://www.cedia.org/view-all/audio-video#sthash.a9TKSs2A.dpuf
The
most common home theater speaker configuration remains 5.1 (pronounced
"five point one"). This layout harkens back to the late-'70s, mimicking
Dolby's commercial surround format.
The 5.1
layout refers to five speakers which are arranged with three in the
front of the room by the display (front left, center and front right),
and then two rear or surround speakers usually at the back of the room
(surround left and surround right). The .1 channel - also known as LFE
for Low Frequency Effects - is the subwoofer, providing extra impact for
loud bass signals like explosions or dinosaur foot stomps.
- See more at: http://www.cedia.org/view-all/audio-video#sthash.a9TKSs2A.dpufApplication
Music
For play-back of 5.1 music recommendations of the International Telecommunication Union (ITU) have been released and propose the following configuration (ITU-R BS 775):
- five speakers of the same size for front, center and surround
- identical distance from the listeners for all five speakers
- angle adjustment regarding viewing direction of audience: center 0°, front ±22.5° for movies ±30° for music, surround ±110°
Placing speakers to meet these requirements, in order to provide optimum sound quality, is often at odds with the space constraints of the average living room.
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