7.2 surround sound speaker placement

The two extra channels of sound and two extra speakers provide a slightly better audio quality. It includes a center speaker, subwoofer for low frequency effects, such as explosions , left and right front speakers, and left and right rear speakers. As it has a smaller number of speakers and is the industry standard, it is simpler to set up, cheaper and suitable for small or medium-sized rooms. It uses the same 6 speakers as above, plus an extra two side speakers. The extra two speakers add more depth to the surround sound experience. As it uses more speakers, 7.

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7.2 surround sound speaker placement

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Content:

• Mistake #1: Your center speaker isn’t at ear level
• Speakers placement for DTS X/Atmos 7.2 or 5.2.2 (Definitive technology mythos)
• Best Speaker Placement with your Couch Against The Wall
• THX Home Theater Room Size Guide
• Speaker placement (6.2 vs. 7.2) question
• Setting up your sound system
• How to Fix Rear Speakers Not Working Home Theater
• Search our shop
• Home Theater Speaker Placement

WATCH RELATED VIDEO: What's the Best Way to Setup Dolby Atmos/DTS:X?

Mistake #1: Your center speaker isn’t at ear level

Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener surround channels. Its first application was in movie theaters. Prior to surround sound, theater sound systems commonly had three screen channels of sound that played from three loudspeakers left, center, and right located in front of the audience. Surround sound adds one or more channels from loudspeakers to the side or behind the listener that are able to create the sensation of sound coming from any horizontal direction at ground level around the listener.

The technique enhances the perception of sound spatialization by exploiting sound localization : a listener's ability to identify the location or origin of a detected sound in direction and distance. This is achieved by using multiple discrete audio channels routed to an array of loudspeakers. Surround sound formats vary in reproduction and recording methods, along with the number and positioning of additional channels.

The most common surround sound specification, the ITU 's 5. Though cinema and soundtracks represent the major uses of surround techniques, its scope of application is broader than that as surround sound permits creation of an audio-environment for all sorts of purposes.

Multichannel audio techniques may be used to reproduce contents as varied as music, speech, natural or synthetic sounds for cinema, television , broadcasting, or computers. In terms of music content for example, a live performance may use multichannel techniques in the context of an open-air concert, of a musical theatre performance or for broadcasting ; [2] for a film , specific techniques are adapted to movie theater or to home e.

This applies mainly to cinema narratives, for example the speech of the characters of a film, [5] [6] [7] but may also be applied to plays performed in a theatre, to a conference, or to integrate voice-based comments in an archeological site or monument. For example, an exhibition may be enhanced with topical ambient sound of water, birds, train or machine noise. Topical natural sounds may also be used in educational applications. Significant work has also been done using surround sound for enhanced situation awareness in military and public safety application.

Cinema 5. Sony Dynamic Digital Sound SDDS is an 8 channel cinema configuration which features 5 independent audio channels across the front with two independent surround channels, and a Low-frequency effects channel. Traditional 7. Most surround sound recordings are created by film production companies or video game producers; however some consumer camcorders have such capability either built-in or available separately.

Surround sound technologies can also be used in music to enable new methods of artistic expression. After the failure of quadraphonic audio in the s, multichannel music has slowly been reintroduced since with the help of SACD and DVD-Audio formats.

Some AV receivers , stereophonic systems, and computer sound cards contain integral digital signal processors or digital audio processors to simulate surround sound from a stereophonic source see fake stereo. The first documented use of surround sound was in , for the Disney studio's animated film Fantasia.

Walt Disney was inspired by Nikolai Rimsky-Korsakov 's operatic piece Flight of the Bumblebee to have a bumblebee featured in his musical Fantasia and also sound as if it was flying in all parts of the theatre. The initial multichannel audio application was called ' Fantasound ', comprising three audio channels and speakers.

The sound was diffused throughout the cinema, controlled by an engineer using some 54 loudspeakers. The surround sound was achieved using the sum and the difference of the phase of the sound. However, this experimental use of surround sound was excluded from the film in later showings.

In , "surround sound" successfully reappeared with the film "This is Cinerama", using discrete seven-channel sound, and the race to develop other surround sound methods took off. Sound designers commonly regard this as the origin of the now standard concept of "surround sound. In , a concept devised by Max Bell for Dolby Laboratories called "split surround" was tested with the movie Superman. This led to the 70mm stereo surround release of Apocalypse Now , which became one of the first formal releases in cinemas with three channels in the front and two in the rear.

The format was also deployed in with the stereo surround release of Blade Runner. The 5. A French engineer, Dominique Bertrand used a mixing board specially designed in cooperation with Solid State Logic , based on series and including six channels. The same engineer had already achieved a 3. Surround sound is created in several ways. The first and simplest method is using a surround sound recording technique—capturing two distinct stereo images, one for the front and one for the back or by using a dedicated setup, e.

A second approach is processing the audio with psychoacoustic sound localization methods to simulate a two-dimensional 2-D sound field with headphones.

A third approach, based on Huygens' principle , attempts reconstructing the recorded sound field wave fronts within the listening space; an "audio hologram" form. One form, wave field synthesis WFS , produces a sound field with an even error field over the entire area. Commercial WFS systems, currently marketed by companies sonic emotion and Iosono , require many loudspeakers and significant computing power.

The 4th approach is using three mics, one for front, one for side and one for rear, also called Double MS recording. The Ambisonics form, also based on Huygens' principle , gives an exact sound reconstruction at the central point; however, it is less accurate away from the central point.

There are many free and commercial software programs available for Ambisonics, which dominates most of the consumer market, especially musicians using electronic and computer music. Moreover, Ambisonics products are the standard in surround sound hardware sold by Meridian Audio. In its simplest form, Ambisonics consumes few resources, however this is not true for recent developments, such as Near Field Compensated Higher Order Ambisonics.

Finally, surround sound can also be achieved by mastering level, from stereophonic sources as with Penteo , which uses digital signal processing analysis of a stereo recording to parse out individual sounds to component panorama positions, then positions them, accordingly, into a five-channel field.

However, there are more ways to create surround sound out of stereo, for instance with the routines based on QS and SQ for encoding Quad sound, where instruments were divided over 4 speakers in the studio. There are many alternative setups available for a surround sound experience, with a 3 front, 2 back speakers and a Low Frequency Effects channel configuration more commonly referred to as 5. The standard surround setup consists of three front speakers LCR left, center and right , two surround speakers LS and RS left and right surround respectively and a subwoofer for the Low Frequency Effects LFE channel, that is low-pass filtered at Hz.

The angles between the speakers have been standardized by the ITU International Telecommunication Union recommendation and AES Audio Engineering Society as follows: 60 degrees between the L and R channels allows for two-channel stereo compatibility with the center speaker directly in front of the listener. The Surround channels are placed degrees from the center channel, with the subwoofer's positioning not being critical due to the low directional factor of frequencies below Hz.

The channel setup consisting of one monophonic surround channel is such a case, where both LS and RS are fed by the monophonic signal at an attenuated level of -3 dB. The function of the center channel is to anchor the signal so that any central panned images do not shift when a listener is moving or is sitting away from the sweet spot. Motion Pictures tend to use the center channel for monophonic purposes with stereo being reserved purely for the left and right channels.

Surround microphones techniques have however been developed that fully use the potential of three-channel stereo. Most 2-channel stereophonic microphone techniques are compatible with a 3-channel setup LCR , as many of these techniques already contain a center microphone or microphone pair.

Surround microphone techniques largely depend on the setup used, therefore being biased towards the 5. Surround recording techniques can be differentiated into those that use single arrays of microphones placed in close proximity, and those treating front and rear channels with separate arrays.

Appropriate microphone techniques should therefore be used, if room impression is important. Although the reproduction of side images are very unstable in the 5.

A distinguishing factor for the pickup of the front channels in surround is that less reverberation should be picked up, as the surround microphones will be responsible for the pickup of reverberation. To compensate for the lost low-end of directional pressure gradient microphones, additional omnidirectional pressure microphones , exhibiting an extended low-end response, can be added. The microphone's output is usually low-pass filtered. If echoes are notable, the front array can be delayed appropriately.

Alternatively, backward facing cardioid microphones can be placed closer to the front array for a similar reverberation pickup. The INA-5 Ideal Cardioid Arrangement is a surround microphone array that uses five cardioid microphones resembling the angles of the standardised surround loudspeaker configuration defined by the ITU Rec.

A well established microphone array is the Fukada Tree, which is a modified variant of the Decca Tree stereo technique. The array consists of five spaced cardioid microphones, three front microphones resembling a Decca Tree and two surround microphones. Two additional omnidirectional outriggers can be added to enlarge the perceived size of the orchestra or to better integrate the front and surround channels.

Spacing between these microphones should be about 1. This square formation is responsible for the room impressions. The center channel is placed a meter in front of the L and R channels, producing a strong center image. The surround microphones are usually placed at the critical distance where the direct and reverberant field is equal , with the full array usually situated several meters above and behind the conductor.

The NHK Japanese broadcasting company developed an alternative technique also involving five cardioid microphones. Here a baffle is used for separation between the front left and right channels, which are 30 cm apart. These compensate for the bass roll-off of the cardioid microphones and also add expansiveness.

The front array is designed for minimum crosstalk, with the front left and right microphones having supercardioid polar patterns and angled at 90 degrees relative to the center microphone. The surround microphones are backwards facing cardioid microphones, that are placed 40 cm back from the L and R microphones. The L, R, LS and RS microphones pick up early reflections from both the sides and the back of an acoustic venue, therefore giving significant room impressions.

Specialized microphone arrays have been developed for recording purely the ambience of a space. These arrays are used in combination with suitable front arrays, or can be added to above mentioned surround techniques. Four figure-eight microphones are arranged in a square, ideally placed far away and high up in the hall.

Spacing between the microphones should be between 1—3 meters. Here, four cardioid microphones, 90 degrees relative to one another, are placed in square formation, separated by 21—25 cm. This technique therefore resembles back to back near-coincident stereo pairs.

The disadvantage of this approach is that direct sound pickup is quite significant. Many recordings do not require pickup of side reflections. For Live Pop music concerts a more appropriate array for the pickup of ambience is the cardioid trapezium.

This is effective for the pickup of audience and ambience. All the above-mentioned microphone arrays take up considerable space, making them quite ineffective for field recordings.

In this respect, the double MS Mid Side technique is quite advantageous. This array uses back to back cardioid microphones, one facing forward, the other backwards, combined with either one or two figure-eight microphone. Different channels are obtained by sum and difference of the figure-eight and cardioid patterns.

This technique also allows for postproduction changes of the pickup angle. Surround replay systems may make use of bass management , the fundamental principle of which is that bass content in the incoming signal, irrespective of channel, should be directed only to loudspeakers capable of handling it, whether the latter are the main system loudspeakers or one or more special low-frequency speakers called subwoofers.

There is a notation difference before and after the bass management system. After the bass management system there is a subwoofer signal.

Speakers placement for DTS X/Atmos 7.2 or 5.2.2 (Definitive technology mythos)

It was announced on February and was launched on November of the same year. It runs the PlayStation 4 operating software. The PlayStation 4 is the 4th bestselling gaming console of all time. The PlayStation 4 features remote play, extended storage, data transfer to easy copy data and downloaded content, power save, and share play. The PlayStation 4 has a height of 2. Wikipedia - PlayStation 4.

Best Speaker Placement with your Couch Against The Wall

You see, before the coronavirus pandemic upended life as we knew it, theaters were in the midst of a renaissance of sorts. For instance, if you were watching an action movie and there was an explosion on the right side of the screen, half of the speakers in the theater would all play that same sound. With Atmos, the sounds in a theater could now come from distinct locations determined by the professional audio mixers that had arranged them. This meant that, theoretically, theater operators were limited only by their appetite to add extra speakers and amplification. Digital music is also getting the Atmos treatment, with a number of streaming services Tidal, Amazon Music, and Apple Music, to name a few already taking advantage of Dolby Atmos Music , an offshoot of its theatrical, object-based sound technology. This being a top-to-bottom surround sound guide, however, we need to journey back before we can move forward. Surround sound, at its most basic, involves a set of stereo front speakers left and right and a set of surround speakers, which are usually placed just to the sides and just behind a central listening position. The next step up involves the addition of a center channel: A speaker placed between the front left and right speakers that is primarily responsible for reproducing dialogue in movies. Thus, we have five speakers involved. In this case, matrix refers to the encoding of separate sound signals within a stereo source.

THX Home Theater Room Size Guide

Putting together a surround sound system can be a daunting prospect. Do you go with separate speakers, an all-in-one system or a soundbar or soundbase? Which sounds better? How do you connect your set-top box, games console, 4K Blu-ray player and all the rest?

Speaker placement (6.2 vs. 7.2) question

Upgrading from a 5. Either way, Klipsch is here to show you how to set up a 7. The standard setup for a 7. A shows two locations options for a single subwoofer - or you can add a second subwoofer placed in both locations making a 7. The rear surround speakers add more depth to the surround sound experience by spreading the sound across four speakers the left and right surrounds and rears , rather than two, resulting in more directed, immersive sound. The two additional speakers also help to fill larger rooms more completely.

Setting up your sound system

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How to Fix Rear Speakers Not Working Home Theater

You spent hours researching high quality speakers. The center channel speaker projects the dialogue and is one of the most important speakers of your home theater system. Most homeowners know that the center speaker should be placed you guessed it at the center of the system- either above or below the tv.

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RELATED VIDEO: Home Theater Dolby Atmos Speaker Setup, Configuration and Explanation of 5.1.2, 5.1.4, and 7.1.4

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Home Theater Speaker Placement

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If you are tired of all the cables lying randomly all over your home and you are searching for a hassle-free surround sound system for your home theater, the best thing you can do is to go wireless. Our article on 18 best wireless surround sound systems in is designed to help you understand all the important things you need to know about wireless surround sound systems and make the best possible choice based on your needs and your budget. We have tried to list all the upsides and downsides of these surround sound systems and make your search much easier. Surround sound systems have been popular for quite some time.