{"id":4719,"date":"2021-11-09T15:09:06","date_gmt":"2021-11-09T14:09:06","guid":{"rendered":"https:\/\/www.vrtonung.de\/?p=4719"},"modified":"2026-08-10T14:59:35","modified_gmt":"2026-08-10T12:59:35","slug":"3d-soundbar-surround-sound-dolby-atmos-thx-audio","status":"publish","type":"post","link":"https:\/\/www.vrtonung.de\/en\/3d-soundbar-surround-sound-dolby-atmos-thx-audio\/","title":{"rendered":"Soundbar with spatial audio &#8211; more than 3D sound and Dolby Surround"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_opengraph-image":"https:\/\/www.vrtonung.de\/wp-content\/uploads\/Soundbar_3d_Audioscenic_1200x630-aimg.jpg","_yoast_wpseo_opengraph-image-id":"18660","_yoast_wpseo_twitter-image":"https:\/\/www.vrtonung.de\/wp-content\/uploads\/Soundbar_3d_Audioscenic_1024x512.jpg","_yoast_wpseo_twitter-image-id":"4876","footnotes":""},"categories":[1],"tags":[22,23],"class_list":["post-4719","post","type-post","status-publish","format-standard","hentry","category-unkategorisiert","tag-news-en","tag-overview-en"],"acf":{"remove_from_blog_overview":false,"alternative_title":"","previewimg":18658,"text":"A soundbar with 3D Audio?! Spatial sound is seeing a tremendous increase in backing by the audio industry. It\u2019s the evolution stage of surround sound. Evidence of this can be seen in the number of spatial audio formats that have been unleashed in the last few years: Dolby Atmos, DTS-X, MPEG-H, Sony 360 Reality Audio, or Auro 3D.\r\n\r\nClick [link id=\"6191\" text=\"here\"] for a comparison of Dolby Atmos VS MPEG-H.\r\n\r\nAt the same time, broadcasters and brands are embracing these formats to produce content and products; for example. [link id=\"5913\" text=\"Netflix\"] recently announced that it would make content with spatial audio available through [Apple\u2019s own Spatial Audio technology](https:\/\/techcrunch.com\/2021\/08\/19\/spatial-audio-is-coming-to-netflix-on-iphone-and-ipad\/?guccounter=1).\r\n\r\n[link id=\"3548\" text=\"Here\"] is an overview by me which devices and tools gives you the 3D effect with Apple Spatial Audio.\r\n\r\n### Update 23\/01:\r\n\r\n* Razer Leviathan V2 Pro released with features based on this article.\r\n\r\n* Noveto, on the other hand, went bust as if it had sensed my skepticism\r\n\r\n### More push by VR and AR\r\n\r\nThe rise of spatial audio has been propelled at such speed also thanks to the rise of technologies such as virtual reality (VR) and augmented reality (AR). In fact, those industrial bodies working in the VR and AR industries have been trying to improve the feasibility of virtual and augmented reality audio, often incorporating features like a wireless subwoofer ; in the end.\r\n\r\nGeorge Lucas said, \u201cSound is 50 percent of the experience\u201d and a good sound experience is needed to make the whole VR\/AR experience plausible. As a content creator myself, I can add that in the XR-world there is hardly any discussion *if* spatial audio is used. It\u2019s more of a *how* can it be used. So here, people already know the benefits of 3D audio and use it instead of stereo.\r\n\r\nI already wrote a more detailed article about the tech that enables 3d audio for soundbars and [link id=\"3282\" text=\"smart speakers here\"]. But since soundbar 3d sound can really drive the loudspeaker revolution in spatial audio, I wanted to focus even more on it:\r\n\r\n[image id=\"16594\"]\r\n\r\n## What are Soundbars now?\r\n\r\nFor VR\/AR most of the audio is consumed through headphones, which is great for many applications. But what happens when there is the need to reproduce 3D sound through loudspeakers? In this case, nowadays object-based audio formats may be the solution. As they can easily adapt themselves to many reproduction setups, i.e., from headphones to stereo to a 5.1 or multichannel surround setup.\r\n\r\nAnd whilst, ideally, everyone would be able to install a 5.1 system at home, this is not the case. You simply don\u2019t want to put multiple speakers cluttered around the living room. Therefore, many users rely on more practical solutions such as soundbars.\r\n\r\n### Can today\u2019s 3D soundbars give a reliable spatial audio experience?\r\n\r\nThe simple answer is yes. But before getting to how this is possible, let\u2019s look briefly at the evolution of 3D soundbars:\\\r\nSoundbar technology has historically been built around putting loudspeakers on a bar, hence their name \u2013 difficult to imagine, isn\u2019t it? Jokes aside, traditional soundbar technology has been designed around putting the channels of a multichannel setup in a horizontal bar arrangement.\r\n\r\nThat means that a 5.1 soundbar would have 6 discrete channels packed on a soundbar. If this would be a 5.1.2 Dolby Atmos soundbar it would have 5 speakers plus 2 pointing upwards plus a subwoofer. Making it a 3D soundbar, right?\r\n\r\nTechnically yes, but what is the result? Such arrangement cannot, in practice, reproduce spatial audio effectively. Even when using algorithms to improve the spatial audio capabilities: performance remains poor, and is not comparable to a classic 5.1 Surround setup.\r\n\r\n## The state of the art in 3D soundbars\r\n\r\n### What is audio beamforming?\r\n\r\nHowever, there are other 3D soundbar technologies that deliver a more convincing spatial audio experience. An example of this technology is the [Yamaha Sound Projector technology](https:\/\/europe.yamaha.com\/en\/products\/audio_visual\/sound_bar\/ysp-5600\/index.html), which can work in conjunction with surround speakers . The Yamaha Sound Projector technology is based around a loudspeaker array that forms beams of sound to excite the different walls of a room and create a virtual surround.\r\n\r\nSimilar technology is used in the [Sennheiser Ambeo soundbar](https:\/\/de-de.sennheiser.com\/ambeo-soundbar), which uses the reflections of the TV itself to project elevated sounds as well as beamforming to create virtual reflections from the room walls. Its MPEG-H support really makes it outstanding and uses the benefits of 3D audio to render a given piece of content as efficiently as possible. In this case, the content is not downmixed but sent as different audio objects (tracks) with spatial information stored in metadata files. Not as channel-based layout which is bound to a fixed loudspeaker setup.\r\n\r\nBut of course, Dolby Atmos is a thing here, especially in the context of blockbuster films. Since Dolby Atmos is an object-based format (to be frank, it\u2019s less of a format and more of a marketing term) it is still really relevant also for [link id=\"3597\" text=\"Dolby Atmos Music\"]. There are already many devices on the market. But be careful on what formats are even supported. Many just use the Stereo signal to upmix it or just allow a virtual 5.1. Dolby surround setup. Which is 2D, not 3D since it doesn\u2019t have any height information.\r\n\r\n[image id=\"16598\"]\r\n\r\n### What are virtual headphones?\r\n\r\nThe use of a dense array of loudspeakers introduces various advantages to control the radiation of the soundbar\u2019s acoustic field. For example, the 3D soundbar can create narrow beams to directly send sounds to the ears of a user. This way, \u201cvirtual headphones\u201d can be created which can be used to reproduce 3D content. This method of rendering 3D sounds is called cross-talk cancellation, or because it is combined with a loudspeaker array that delivers the beamforming, cross-talk-cancellation beamforming. Examples of these technologies are the Sharp Aquos or the Yarra 3D soundbar.\r\n\r\n## Adaptive Cross-Talk-Cancellation\r\n\r\nCross-Talk-Cancellation (CTC) systems can reproduce effective binaural audio without the need of headphones. This gives a very dramatic sound impression, and those who have been lucky to experience them are always surprised by its extreme 3D and natural-sounding performance. The only problem with the cross-talk-cancellation system is that they have a very sharply determined sweet spot, of only a few centimeters. So the user must be precisely positioned with respect to the loudspeakers.\r\n\r\nThe good news is that listener-adaptive cross-talk-cancellation systems have been developed in the last few years This is making cross-talk-cancellation systems a practical reality that can provide very, very realistic 3D sound experiences in everyday scenarios Usecase range from gaming to media consumption from PCs or home-cinema to [link id=\"1659\" text=\"automotive\"] or other uses that benefit from 3D sound.\r\n\r\nThe leading technology in this field has been developed by [Audioscenic](https:\/\/www.audioscenic.com\/). This technology combines computer vision-based user-tracking technology and a loudspeaker array to deliver perfect 3D sound, even if the user is moving.\r\n\r\nSubscribe to the latest 3D audio news\r\n\r\n### The Sound (bar) of the Future\r\n\r\nApplying such technology in modern 3D soundbars has the power to revolutionize the domestic audio scene. Just imagine, to consume binaural 3D audio in your desk or living room without having to wear headphones. Imagine being able to connect to others around you and enjoying the latest movie with object-based audio, 3D music track, or even music streaming through a soundbar: In other words being surrounded with sound anywhere around you.\r\n\r\nWith Audioscenic technology this is something that is coming soon to the market. Furthermore, such a soundbar is effectively a sound antenna that can radiate sound in a specific way to create a given sound effect. This can, for example, be used to create hot spots of sounds to increase loudness and improve intelligibility for hearing impaired users; or to send sound to the walls of a room to give a diffuse surround experience.\r\n\r\n### RAZER LEVIATHAN V2 PRO\r\n\r\nUpdate 23\/01: The time has come. The technology has been integrated into a market-ready product. Tracking via webcam is now called head-tracking AI. In collaboration with THX, Razer\u2019s new PC soundbar offers the best of both worlds: It delivers an immersive surround sound stage while ensuring users are always in the center of attention for an optimal listening experience.\r\n\r\nThere are two modes: THX Spatial Audio Virtual Headset is suitable for all stereo content and provides pinpoint position audio. While THX\u00ae Spatial Audio Virtual Speakers is suitable for multichannel content for a wide, room-filling soundstage that users would normally experience with a full home theater system.\r\n\r\nTogether with the included subwoofer, the Leviathan V2 Pro PC soundbar delivers crisp, clear highs and deep, punchy bass thanks to multiple drivers. All the while, Razer Chroma RGB allows for deeper immersion with 30 lighting zones and 16.8 million colors. Razer Chroma RGB is already integrated into over 200 games and represents the world\u2019s largest lighting ecosystem for gaming devices.\r\n\r\n### Wait, isn\u2019t Noveto doing something like that?\r\n\r\nThere was a little hype on kickstarter with a 3D soundbar that has a similar vision. It is currently under development and successfully funded. So we couldn\u2019t test it yet. The main difference to the technology mentioned above is that it uses ultrasonic sound. The so-called SoundBeaming\u2122emits high frequencies that humans can\u2019t hear. When those soundwaves overlap in the right spot with the right phase: they introduce frequencies that now get hearable again. It\u2019s way more complicated math \u2013 as always but the principle is interesting.\r\n\r\nSuch technology has its pros and cons; It can produce very directional radiation, which allows it to create very differentiated zones of sound concentrated around users (great for privacy). However, it generally lacks low-frequency response, so it needs to be combined with other traditional reproduction methods to obtain a more Hi-Fi like response.\r\n\r\nAnd there might be a catch that we don\u2019t even know about yet: As you know from my article on [link id=\"4298\" text=\"health\"], ultrasonic sound can be used to have an effect on a body. High frequencies need a lot of energy to travel even just a few meters. Even though you can\u2019t hear them, doesn\u2019t mean they don\u2019t mess with your body. Just like infrasound from wind turbines can have a longterm effect on people living close enough. But I ordered one anyway, so let\u2019s see what happens with me, lol.\r\n\r\n## Adjusting object-based audio to the soundbar\r\n\r\nTo make the experience even better, object-based audio formats are becoming mainstream. This means that content can be tailored more efficiently to be reproduced by a beamforming adaptive CTC soundbar. Either to reproduce 3D sound by creating a binaural version of the original object-based content or by improving accessibility by just selecting the foreground audio source to be boosted in the sound hot spot instead of the background sounds.\r\n\r\nBut here we have Chicken or the egg questions again. There is not too much content out there that has a higher resolution than stereo. So more channels to even have more spatial information. [link id=\"3597\" text=\"Dolby Atmos\"] and [link id=\"3813\" text=\"Sony 360 Reality\"] are currently investing a lot in content production and tools.\r\n\r\nMost of it is music and films though, just I think is not necessarily where 3D audio has its potential. On 3D soundbars maybe, but there is more we could do with it. Want to know more? Just hit me up. [link id=\"155\" text=\"Get in contact\"]\r\n\r\n## Conclusion\r\n\r\nThe current trend is a rapid growth for content being created for VR, AR and other 3D or 360 formats. With vast amounts of research going on into creating every time more realistic sound experiences, and the ability to consume this with both headphones and loudspeakers. The trend is telling us that we are on our way to a world where we are going to consume 3D audio by default.\r\n\r\n[link id=\"785\" text=\"More 3D Audio and Soundbars\"]\r\n\r\n###Let's talk about your project\r\n\r\nAre you working on a VR experience and the audio still feels flat?\r\n\r\n[link id=\"155\" text=\"Get in touch \u2192\"]\r\n","related_articles":[3282,2652,1659]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Soundbar with spatial audio - more than 3D sound and Dolby Surround<\/title>\n<meta name=\"description\" content=\"3D soundbar on the rise! Get a glimpse of current technologies and surround sound not only by Dolby. 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