Hi all...
It seems that Auro 3D is increasingly establishing itself as the
available "de facto" 3D audio format in use for (3D) music recordings.
http://www.auro-3d.com/press/2014/08/mando-diao-release-worlds-first-pop-album-in-auro-3d-immersive-sound/
http://harmonicjunction.com/interview-wilfried-van-baelen-auro-technologies-part-2/
Currently more than 200 albums have been recorded in the Auro 8.0, or
Auro 9.1 format, only a few of them in the Auro 10.1 format which
combines the third layer (Top Layer, or sometimes called the "Voice of
God" channel) directly above the listener. But since human beings are
less sensitive for sounds coming from above, the top layer is almost
only useful for fly-overs, or certain special effects, not immediately
necessary in music. Even the reproduction of music recorded in
reverberant areas like live concerts do not require the Top Layer
because there are less reflections coming from there, even in a church
when recording classical music. So the Auro 9.1 format is ideal for
music in immersive sound. The genres recorded in these 200 albums
include not only classical music, but everything from, Jazz, Pop,
Rock, and even Dance.
The Ambisonics community might have to speed up certain developments if
you want to stay competitive.
- Whereas there are some (main) microphones for recording in Auro
8.0/9.0/10.0 format available, there doesn't seem to happen enough <
practical > work related to HOA microphones. The "4th order" Eigenmike
is on the market, but has some practical limitations concerning noise,
frequency range, aliasing etc.
Proposal: It might make more sense to develop some cheaper and more
practical spherical array microphones for 2nd order (12 capsules) or 3rd
order (20 capsules needed, I believe...).
To add some 4th order information in an area of about 1.5 octaves
(because of "low frequency noise" and spatial aliasing at high
frequencies) doesn't seem to improve things a lot; so why not
concentrate on 2nd/3rd order and simplify the mike design instead?
- TOA can be decoded to the different variations of the Auro format. FOA
is not detailled enough, in this case...
- Auro 9.1 and above could be used for computer game audio and VR, as
well. (Codemasters tried to introduce "7.13D", as we might remember.
Auro is clearly superiour, because more balanced.)
Discussion and suggestions welcome and expected...
Best regards,
Stefan
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