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What is Auro-3D? The audio system simply explained

  • Jan 07, 2026
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The name Auro-3D shows up more and more frequently in connection with cinema and Home Cinema. What Auro-3D is exactly and how it works, we will explain in this practical tip.

What Auro-3D is

Auro-3D audio format, which more in particular, a more spacious promises sound:
  • Auro-3D is an immersive audio format. This means that the audience is heavily involved in the listening experience.
  • The disadvantage of non-immersive audio systems, especially Mono, is the hole in wall effect: Here is the listener not the sound muffled, but it seems from the outside to look at (below). Immersive systems create, however, (above) the feeling of Eingehülltheit (Envelopment).
  • Auro-3D offers a variety of Audio formats for Automobiles, Gaming, Video, Broadcast, and especially cinema and home cinema.
  • New compared to other Surround Sound systems the introduction of two new speaker levels. Thus, the phantom sound sources can be placed not only in the level of the listener, but also more up.
  • For the cinema works Auro Technologies and Barco together. A list of films with Auro3D Sound equipped, you will find on the official Auro-3D Website.
  • Auro-3D Technologies in direct competition with Dolby. These have in the last few decades, with Dolby Surround and Dolby Digital in the cinema market to be dominated and try to time with Atmos in their latest audio format in movie theaters to establish.
Auro-3D speaker in 3 levels

How does Auro-3D

Auro-3D surround sound, offering a new level, and greater involvement of the listener in the action. Compatibility and lossless audio compression are the Strengths of the system. Weaknesses of the typical weaknesses of channel-based audio formats. The implementation we will explain here. Like the speaker set-up in about looks, you will see in the subsequent pictures gallery.
  • Auro-3D is a channel-based audio system. This means that the optimum speaker set-up is given.
  • Depending on the size of Audo may include-3D 9.1, 10.1 or 11.1 or 13.1 speaker.
  • The many Audio channels are not stored individually. For compatibility with conventional audio technology, you will be saved in 2.0 to 7.1 tracks. An Auro 3D Upmixer is extracted therefrom, the desired loudspeaker signals.
  • In contrast to most of the Surround formats that use Auro-3D, no-loss audio compression, lossy.
  • In contrast to the Audio Engines of most PC Games in Dolby Atmos, and the developing MPEG-H, omitted Auro-3D completely on object-oriented Audio. So the Format does not for any number of speaker and a flexible speaker configurations.
  • Audo-3D has the same problems as most of the existing Audio systems: The representation of lateral sound sources, only works due to the and a precise listening experience is only given in a small area. This is weak, only Higher Order Ambisonics and wave field synthesis systems overcome the demand, however, up to hundreds of speakers have so far.
For compatible devices, we have our sound check of home theatre systems as well as our comparison of the prices of home theater systems and our projector-best list. In addition, we will explain in further practice tips on how your AV Receiver and your power amplifier is optimally set.

Latest Videos

The classic 5.1 speaker placement is standardized according to ITU-recommendation almost. The .1 speaker (Subwoofer) is shown here.

The classic 5.1 speaker placement is standardized according to ITU-recommendation almost. The .1 speaker (Subwoofer) is shown here.

In a 9.1-speaker system, in addition to the traditional 5.1 Surround System 4 speakers in the first height level (30°).

In a 9.1-speaker system, in addition to the traditional 5.1 Surround System 4 speakers in the first height level (30°).

From 10.1 of the Top Layer is added. This is also called "Voice-of-God".

From 10.1 of the Top Layer is added. This is also called "Voice-of-God".

11.1 has also other speakers in the height Layer, so that the localization and the sound of lapping even better.

11.1 has also other speakers in the height Layer, so that the localization and the sound of lapping even better.

13.1 expanded version of the classic 7.1 System to the elevation Layer and the Voice-of-God.

13.1 expanded version of the classic 7.1 System to the elevation Layer and the Voice-of-God.

Auro-3D does in fact provide for a binaural Simulation of the full system's speakers, via headphones. This is, of course, especially for the Gaming interesting. The principle is similar to the [[http://www.chip.de/artikel/Kopfhoerer-mit-Surround-Sound_12833528.html/virtuellen 5.1 Sound]].

Auro-3D does in fact provide for a binaural Simulation of the full system's speakers, via headphones. This is, of course, especially for the Gaming interesting. The principle is similar to the [[http://www.chip.de/artikel/Kopfhoerer-mit-Surround-Sound_12833528.html/virtuellen 5.1 Sound]].

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