Technology has amazed all of us and it is advancing more and more. Over the past few decades, technology has not only advanced in the field of visuals, such as extremely realistic graphics to multidimensional images and videos, but it has also advanced in the field of sound as well. Now we can not just experience sound in one dimension, but multiple dimensional as well.
Summary
5.1 vs 7.2 Surround Sound
The main difference between 5.1 surround sound and 7.2 surround sound is that the 5.1 surround sound system consists of 5 main speakers and then 1 additional subwoofer. While on the other hand, the 7.2 surround sound system consists of 7 main speakers and then adds 2 subwoofers.
5.1 surround sound system is also known as a five-point one surround sound system. The 5.1 surround sound system is a type of multi-channel audio technology which makes the audio sound a lot more realistic and multidimensional as compared to the other several different types of prevailing sound systems.
The 7.2 surround sound system is also known as the seven-point two surround sound system. It can be said that the 7.2 surround sound system is an upgraded version of the 5.1 surround sound system. With higher audio quality and clearer sound effects, the 7.2 surround sound system is an ideal sound system for home theaters.
Comparison Table Between 5.1 and 7.2 Surround System
| Parameters of comparison | 5.1 surround sound | 7.2 surround sound |
| Total number of channels | 6 channels (5 main speakers and 1 additional subwoofer). | 9 channels (7 main speakers and 2 additional subwoofers). |
| First theatrical use for | 5.1 surround sound was used for the first time for the theatrical purposes for Batman Returns. | 7.2 surround sound was used for the first time for the theatrical purposes of Toy Story 3 |
| First theatrical use in | 5.1 surround sound was used for the first time for theatrical purposes in 1992. | 7.2 surround sound was used for the first time for theatrical purposes in 2010. |
| Achieved using | 5.1 surround sound can be operated using Dolby Digital or by using DTS. | 7.2 surround sound can be operated by using Dolby TrueHD or DTS-HD Master audio. |
| Sound quality | Relatively poor. | Relatively good. |
What is a 5.1 Surround Sound System?
The major characteristic of the 5.1 surround sound system is that it has a total number of 6 channels. That is to say, the 5.1 surround sound system feeds into 6 different speakers, among which 1 of the speakers is a subwoofer while the others are the sound speakers.
Moreover, apart from the audio quality that the 5.1 surround sound system offers, this multi-channel audio technology has multiple features as well. The 5.1 surround sound system has a total number of 6 bandwidth channels. Among the 6 bandwidth channels, one channel is a low-frequency bandwidth channel.
In most general cases, the 5 main speakers of the 5.1 surround sound system are arranged in a room in such a way that one speaker is kept at the front at a height, the second speaker is kept at the left corner of the room and the third speaker is kept at the right corner of the room. The last two speakers are kept at either two sides of the room.
When the speakers are arranged in such a way, the front 3 speakers, that are the speaker that is kept at the center, and the two speakers which are kept at each front corner of the room, that is the left front corner of the room and right front corner of the room, they create a stereo sound effect.
While on the other hand, the two speakers which are kept at each back corner, that is left back corner and right back corner, they create a surround sound effect.
What is a 7.2 Surround Sound System?
The major characteristic of the 7.2 surround sound system is that it has a total number of 9 channels. That is to say, the 7.2 surround sound system feeds into 9 different speakers, among which 2 of the speakers are a subwoofer while others are the sound speakers.
The sound quality of the 7.2 surround sound system is better than the sound quality of the 5.1 surround sound system because this surround sound system not just gives sound effects from different directions but also higher bass effects and the sound perception of depth as well.
There are many other versions of the 7.2 surround sound system as well such as the 7.1 surround sound system. This surround system can manage sound with medium-level frequency and high-level frequency as well which makes the 7.2 surround sound system one of the best sound systems among the rest.
Main Differences Between 5.1 and 7.2 Surround Sound
- The total number of channels on the 5.1 surround sound system is 6, which includes 5 main speakers and one additional subwoofer. While on the other hand, the 7.2 surround sound system has a total number of 9 channels, which includes 7 main speakers and 2 additional subwoofers.
- The 5.1 surround sound system gives a standard stereo sound effect in which all four directions are covered. Whereas the 7.2 surround sound system not only provides the surround sound effect for all four directions but also for depth as well.
- The 5.1 surround sound system majorly supports all sorts of video games and DVDs. The 7.2 surround sound system supports Bluray, PS3, PS4, PS5, and Xbox.
- The 5.1 surround sound system is ideal to be used in small spaces such as rooms and cabins. The 7.2 surround sound system is ideal to be used in larger spaces such as halls.
- The sound quality of a 5.1 surround sound system is relatively less. The sound quality of the 7.2 surround sound system is higher as compared to the 5.1 surround sound system.
Conclusion
Both two types of surround sound systems have their benefits. But on comparing the two, the 7.2 surround sound system is a better option because of its multiple features and great sound quality.