New Audi Q7 Will Have Groundbreaking 3D Sound System
|   Sunday, January 04, 2015
The 3D fad is here to stay and now Audi transform this vision into reality by brining a three-dimensional listening experience worthy of an audio studio into its cars. 3D sound, which will soon enter in series production, allows the auditor to experiment the height space.

In addition to the third dimension, acoustic impression becomes more intense and more clearly. Rich audio experience redefines the reference point for the pleasure of hearing from a vehicle.


For many years, the four rings brand is known for imposing new standards in terms of sound quality. The new technology, 3D sound, will debut with the new Audi Q7, in 2015. It is integrated into the Bang & Olufsen Advanced Sound systems and Bose Surround Sound.

The new generation Audi Q7 promises to be a revolution in the segment. And the changes promise to be substantial, if we think that just at platform level 325 kilograms were dropped in order to deliver the light model in the segment.

There are also other chapters in which the SUV from Ingolstadt promises to excel. But the 3D sound system seems to be the highlight. This system has been carefully developed by Audi. It is a completely new experience, capable of using a complex algorithm to recreate the environment in which the song was sung: concert hall, recording studio or outdoors.

Audi explains it best, "When an artist is singing from a stage, the floor, ceiling, and walls of the concert hall, reflect the sound with different time lapses. It bounces off the floor in just a few milliseconds, while it is only reflected by a wall 40 meters (131.2 ft) away after more than 200 milliseconds. Using these different sonic reflections, the algorithm is able to calculate a mathematical model of any recording room. It is irrelevant whether the audio signal is recorded in mono, stereo or 5.1 Surround Sound. The data format of the music and its source – such as online streaming, VHF radio or CD – is equally irrelevant."

The next stage involves the process of reassembling the sound parts so that the sound inside the car corresponds to the original recording chamber. This requires intensive computations. For the advanced Bang & Olufsen sound system, the digital signal processor energizes the 11 channels with a total of 23 speakers, so the sound is as precise and harmonious in every place.

The audio system uses these calculations to play sound different depending on each speaker. The Bang & Olufsen system has 4 general loudspeakers that are mounted a bit higher in order to recreate the inside of a concert hall.

With 3D sound, Audi retains the tradition of progress in the hi-fi sector. The year 2005 was marked by the introduction of high-end sound for the Audi A8 through the Bang & Olufsen Advanced Sound System. Premium sound from the Danish hi-fi specialists has become available for the compact segment in 2012, with the third generation of the Audi A3 range.

In 2014, the Audi TT made a big step towards 3D sound with the adoption of the Symphoria technology, software developed in partnership with the Fraunhofer Institute for processing and reproduction of audio signals.
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