Surround sound: How it will help to improve sound quality.

Surround sound

The first thing we notice from our headphones or earbuds is the quality of the sound. Advanced sound effects are a key factor in purchasing a new headset. The Surround sound system will be affected by dynamic drivers or speakers, frequency response for punchy bass, audio interface and ambient sound. These features produce different sounds from each other to create a quality sound profile. Today we will talk about the “surround sound” effect and discuss in detail how it is work in our headset?

What Is Surround Sound Audio?

Surround sound

Surround sound means the sound around us like the sound of a train at a railway station, the sound of traffic of vehicles on the road, etc. In addition, it means a projecting high-quality digital sound at you from all angles, just like in a movie theatre and small speakers practically in every corner of the room.

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Surround Sound Audio and Sound Diversification

Surround sound audio can also be identify as sound diversification in another sense. A different kind of version of the deep, roaring bass and subtle sound effects rumbling the floorboard. Just like an explosion on the screen is behind you. And tap. For music, it means the complete sonic development of the song.

The surround sound effectively helps to prevent the unwanted sound and gives a crystal-clear voice during voice calls. Moreover, surround sound system come with a set of speakers—typically seven, including the center speaker—and a subwoofer for powerful bass. This is where the term “7.1” comes from: seven speakers and one subwoofer.

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How can we create “Surround sound”?

Surround sound is made in many ways. Following is the method of the surround sound system.

Surround sound recording technique.

Which is capturing two different stereo images, one for the front & other for the rear or using a dedicated setup. Like, mixing-in-surround sound for playback on an augmented deca tree or audio system surrounds the listener to play audio from different directions

Psychocoustic sound localization methods

Which is mimic two-dimensional (2-D) sound field with headphones. And, the third approach, based on Huygens’ theory, attempts to reconstruct the front of sound field waves recorded in the listening space; “Audio hologram” form. One form, wave field synthesis (WFS), produces a sound field with the same error field over the whole area. Commercial WFS systems, currently marketed by companies like Sonic Emotion and IOS, require a lot of loudspeakers and considerable computing power. The 4th approach uses three mics, one for the front, one for the side and one for the back, also called double MS recording.

Based on Huygens’ theory

The Ambisonics form, also based on Huygens’ theory, offers a definite sound reconstruction at the focal point; However, it is less accurate than the focal point. There are many free and commercial software programs available for Ambisonics, dominating most consumer markets, especially musicians using electronic and computer music. In addition, Ambisonics products are standard in surround sound hardware sold by Meridian Audio. In its simplest form, Ambisonics uses few resources, although this is not true of recent developments, such as the Near Field Compensated Higher Order Ambisonics. Several years ago it was shown that, to a lesser extent, WFS and Ambisonics merge.

Finally, surround sound can be retrieve from stereophonic sources, such as the Pantio, by mastering levels. Which use digital signal processing analysis of stereo recordings to parse individual sounds into component panorama positions, then place them in five-channel. However, there are more ways to create surround sound from stereo, for example with routines based on QS and SQ for encoding quad sound. Where the instrument is split into 4 speakers in the studio.

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Which Components are included in surround sound system?

Following components are come with a surround sound system.

Subwoofer

Surround sound

If you’re just starting to build your home music system, the first thing you probably chose was a pair of speakers. This is just the beginning though. Whether your setup is for movies, music, games or all of the above. However, powerful subwoofer is one of the key components of a complete audio system. Moreover, on a PC surround sound system, a subwoofer helps create fantastic bass tones when playing music or a particularly exciting movie.

A subwoofer is a large, powered speaker that produces bass tones and other low-frequency sounds. It’s the speaker that delivers the lower frequencies – specifically 20-200 Hz. That a traditional two-channel or surround sound setup can’t reproduce on its own. In addition, these low frequencies come from instruments such as the kick drum, bass guitar, and pipe organ, as well as movie sound effects like explosions.

Center Speaker

The central speaker in the surround sound system is consider to be the most important speaker of all the speakers. Because it does most of the work in the surround sound system. Most of the actions, and conversations, in the movie take place in front and in the middle on your display, meaning that the center channel reproduces it.

Nevertheless, the center speaker does not split audio information between left and right speakers. Except what should be there. You let each speaker focus on the part of the work, let each reproduce part of its soundstage to perfection.

Satellite Speakers

Surround sound

Satellite speakers are excellent for creating immersive surround sound in small to medium sized rooms. Often in a 2.1, 5.0 or 5.1 configuration. They can also be used as side or rear sound speakers in large systems using tower or bookshelf speakers. In the standard 5.1 system, this means left and right front speakers and left and right rear speakers. Further, it has a total of four speakers plus a center speaker, which makes up five. “1” represents the subwoofer, the way the word “5.1” evolved. “6.1” surround sound means six speakers plus one subwoofer.

Equalizer or Mixer

EQ’s are tools that a mixer can use to boost or cut any of these frequency ranges. They’re the most frequently use tool in a mix. Set a high-pass filter at 8kHz to listen to everything above that frequency. This type of filter lets the highs pass through – it’s cutting out the lows. Most computers have built-in equalizers or mixers as part of the sound card output specs. Most audio software, such as iTunes, also comes with a mixer. On high-end systems, or on systems that require a lot of power, you may need a separate equalizer as part of a powered amplification system.

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Types of Surround Sound Speaker Systems

Surround sound

There are several typical types of surround sound speaker systems:

2.1 Speaker Systems

The 2.1 channel has two speakers and a subwoofer or a soundbar and a subwoofer (the soundbar has two built-in speakers). Like the 5.1 system, “2” stands for two satellite speakers, left and right, and “.1” stands for subwoofer. 2.1 With a soundbar, those two or more speakers will give you clear left and right channels of audio. It’s a great building block for your sound system, but it’s pretty standard. And it won’t significantly improve the listening experience. You’ll find clear left and right channels, but no more.

Thus, 2.1 Sound is an excellent economical solution if you do not have the money or space for what is called “True” Surround Sound (at least 5.1 speakers), but you still want high-quality, dynamic sound.

5.1 Surround Sound Speakers

5.1-channel audio has become the benchmark for home theater sound, offering more immersive audio perception than regular two-channel stereo. The format is growing in popularity and nowadays it is easy to equip your home entertainment with 5.1 setup.

When digital sound signals (such as Dolby or THX) are play by a system like this. You enter a new realm of sound, with lightning blasts, dynamic music, and subtle, embedded sound effects around your room.

6.1, 10.2, and other Multi-Speaker Systems

5.1 Surround Sound is consider to be the minimum number of speakers require for true ambient sound. Other common configurations include 6.1 (six speakers and subwoofer) or 10.2 (ten speakers and two subwoofer).

The configuration doesn’t matter, and it largely depends on the size of your room and your personal preferences. Most audio experts will tell you that you just need to make sure that the speakers are balance on each side of the room. In the 6.1 system, the extra satellite usually goes to the rear center of the room, to balance the front center speaker.

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