Re: [Sursound] Ambisonic workflow with mac and Nuendo

2014-07-09 Thread Daniel Courville
Le 2014-07-08 04:43, Emanuele a écrit :

Through Kickstarter I founded a Brahma microphone to have access to the
Ambisonic technique and to play with it to learn how to use it.
My main recorder is a Sound Devices 788T (which give me the option to
listen to the stereo result when recording Ambisonic).

Not with the Brahma. SoundDevices multi-track recorders have a B-Format
stereo decoder, but the Brahma outputs A-Format, AFAIK.

For monitoring purposes on the 788T, you can route the Brahma capsules 1 
3 to the left and 2  4 to the right.

As for the plug-ins, you can try mine! I'm also a Nuendo user.

http://www.ambisonicstudio.com


Cheers,

Daniel Courville


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[Sursound] Calculating speaker placement

2014-07-09 Thread Steve Boardman
Hi All,

After lots of head scratching (and buying more speakers), I have finally 
decided on a 32 identical speaker set up ( plus four subs)
I have decided to base the array on platonic solids. Even though advise on this 
list has said there is no need, I wanted to be sure of the most accurate angle 
coverage, and also decoder efficiency. 
As this is new build, the construction can assist in placement, and I can 
preserve equal angle coverage. It also means all speakers will be in or against 
a boundary allowing for greater use of space. I will delay and adjust gain 
according to distance, and EQ each speaker at the centre to compensate. 
I want to use the vertices of both an icosahedron combined with the vertices 
dodecahedron. Effectively the faces and vertices of a dodecahedron. 
The problem I have is that I need to find the angles from the centre (listening 
position) to mark a speaker position (within the space), and was wondering what 
was the best way of doing this? Laser level protractor maybe or has anyone any 
other methods? Or is it all just a bad idea considering that not many speakers 
will be at equal distance?
As usual all advise is greatly appreciated.

Thanks

Steve





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Re: [Sursound] Calculating speaker placement

2014-07-09 Thread Marc Lavallée
Hi Steve.

You can use golden rectangles (of ratio 1/1.618) to calculate
placements of your speakers. You can refer to:
https://en.wikipedia.org/wiki/Icosahedron
https://en.wikipedia.org/wiki/Dodecahedron
https://en.wikipedia.org/wiki/Golden_rectangle

--
Marc

Wed, 9 Jul 2014 23:51:00 +0100,
Steve Boardman boardroomout...@gmail.com wrote :

 Hi All,
 
 After lots of head scratching (and buying more speakers), I have
 finally decided on a 32 identical speaker set up ( plus four subs) I
 have decided to base the array on platonic solids. Even though advise
 on this list has said there is no need, I wanted to be sure of the
 most accurate angle coverage, and also decoder efficiency. As this is
 new build, the construction can assist in placement, and I can
 preserve equal angle coverage. It also means all speakers will be in
 or against a boundary allowing for greater use of space. I will delay
 and adjust gain according to distance, and EQ each speaker at the
 centre to compensate. I want to use the vertices of both an
 icosahedron combined with the vertices dodecahedron. Effectively the
 faces and vertices of a dodecahedron. The problem I have is that I
 need to find the angles from the centre (listening position) to mark
 a speaker position (within the space), and was wondering what was the
 best way of doing this? Laser level protractor maybe or has anyone
 any other methods? Or is it all just a bad idea considering that not
 many speakers will be at equal distance? As usual all advise is
 greatly appreciated.
 
 Thanks
 
 Steve
 
 
 
 
 
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 here, edit account or options, view archives and so on.
 

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