5.1 vs 7.2 Surround Sound – Difference and Comparison

What is 5.1 Surround Sound?

5.1 audio systems are referred described as “real” surround sound. The five speakers, which comprise two left and right front presenters, two left and right rear speaker systems (next to your head), a strong woofer, and a solid core speaker for intense screaming bass appear to be responsible for this.

We enter a new dimension of sound when digital audio system broadcasts (including Nolan or Dolby) are played via a structure like this, complete with deafening explosions, ominous music, and delicate, all-encompassing sound effects. The surround channels contribute more intensity and engrossment to movies and select TV shows. Still, there is also some music content mixed in 5.1, and most home theatre systems allow you to mix sound system music references to surround sound.

Six-channel surround audio multiple channel audio devices in Samsung devices are alluded to as 5.1. The 5.1 format is now the most prevalent in advertising theatres and home theater systems. The appropriate Amplifier access points should be associated with a DVD player. The disc must have 5.1 channel surround sound recorded on it. On the outside of the disc, there must be a “5.1” mark. The audio system should be linked and operational. The Audio Output must be established to Bitstream in the Settings Screen.

What is 7.2 Surround Sound?

A clear sound audio system is two additional channels in a 5.1 sound system used in home cinema setups. It adds two extra speakers to the typical 6 audio arrangement. In 7.2 surround sound spatial audio, the usual configuration but added rear speakers and LFE (woofer) sound configuration is employed.

The advanced enclosed audio system, on either hand, segregates enclose and back frequency band into four distinct channels, with sound effects directed to the left and right surround channels, as well as two rear surround channels, whereas the previously configured sound system combines both stereo sound and aft intelligence inputs into two channels (also known as two back surround speakers in home audio systems).

You’ll be willing to listen to every single step, eruption, and gunfire with cinematic clearness if you use a headset with 7.2 surround sound. Seven simulated positional speakers are used in the HyperX Cloud Revolver S to just provide accurate sound with both range and intensity. Its distinctive driver design separates the lows, midfielders, and highs, arising in outstanding sound accuracy.

The surround speakers are located on each side of the listener in the 7.2 surround sound audio sound system, while the rear speakers are placed behind the listener. Having the debut of Dolby Advanced Logic IIz and DTS Neo: Z, 7.2 surround sound may now also apply to 7.2 surround audio systems with two front height streams above the front speakers or two front width channels between the front and surround channels.

Difference Between 5.1 and 7.2 Surround Sound

  1. The main difference between both is the number of channels supported by each surround system. If the 5.1 version supports 6 channels in which a subwoofer is included then 7.2 supports 8 channels.
  2. Unlike 5.1, the 7.2 surround system includes back/rear sound systems.
  3. Unlike 5.1, the 7.2 surround system could be used in play stations, Xbox, and Blueray audios.
  4. Unlike 5.1, 7.2 is on the costly variant.
  5. The launch for both differs as the 5.1 was launched in 1976 whereas the 7.2 was in 2010.
  6. You can use the 5.1 version for small to moderate rooms but the 7.2 version would require a large room.

Comparison Between 5.1 and 7.2 Surround Sound

Parameters of
5.1 Surround
7.2 Surround
HistoryInvented by Dolby Labs.
Initially launched in 1976
Invented by Dolby Digital
in 2010
Sound QualityStandard
Great Depth and
SupportsExcludes back/rear
Includes back/rear
Best ForSmall to moderate roomsLarge rooms
FormatsDolby Digital, DTS
Dolby TrueHD, DTS-HD
Master Audio
CostsVariant cheaperVariant Costly
Supporting DeviceIndustry standards like
PS, Bluerays,
First UsedIn 1992, Batman
In 2010, Toy Story3


  1. https://www.aes.org/e-lib/browse.cfm?conv=130&papernum=8403
  2. https://ieeexplore.ieee.org/abstract/document/6161714/