22 Jul
2010
22 Jul
'10
8:51 p.m.
On Thu, 2010-07-22 at 20:22 +0200, Ralf Mardorf wrote:
On Thu, 2010-07-22 at 10:52 -0700, Fernando
Lopez-Lezcano wrote:
I'm not sure I understand. The 5.1 ambisonics decoder in Ambdec can
decode to that arrangement and it is pretty good. You could try that
before moving the speakers around.
On Thu, 2010-07-22 at 14:01 +0200, Ralf Mardorf
wrote:
The speakers of the 5.1 system should just be used, because they are 5
of the same type and because there are equal amps for the speakers.
There's no need to keep
http://upload.wikimedia.org/wikipedia/de/thumb/4/4e/ITUKreis_Ruhnke.jpg/300…,
if the speakers should really be placed correctly for 5.1 at the friends living room at
the moment. On Thu, 2010-07-22 at 01:04 +0200, Arnold Krille
wrote:
Yes. Fons ships an ambdec configuration for playing in a 5.1 setup (it
is not optimal because the back speakers in a 5.1 setup are too far
apart but it works - I use it at home). Of course it assumes that the
5.1 setup is correct. This link has a diagram of the speaker angles:
http://de.wikipedia.org/wiki/5.1
We are not talking about 5.1 or 7.1 here. These
suck big time.
We are talking about ambisonics vs. binaurals vs. simple stereo here!
Ok, I noticed this.
Fon's AmbDec is the player for the files from
http://www.ambisonia.com/?!
I guess a friend who lives near to my home has at least 8 outputs for an
Envy24 sound card and at least a JBL 5.1 setup, so the 5.1 speakers
could be used for a minimalist ambisonics. 
If possible I would prefer to replace them in a way
that's good for
ambisonics.
...
IIUC 4 speakers could be set up in a quadrate with "front" at positiv-x
direction and the listener has to be in the middle of the quadrate.
Yes, you could move them into a square, use only four and use the square
decoder. A 5.1 setup can be used to play up to second order ambisonics,
a 4 channel square can only play first order ambisonics.
Most of the recordings in ambisonia.com are first order (but I think
there are a few higher order as well).
See this for another example of ambisonics at home:
http://stackingdwarves.net/public_stuff/linux_audio/ambi_at_home/joern_nett…
-- Fernando
Maybe there will be 8 similar speakers and amps, but
regarding to the
sound card the limit is 8 channels. I guess somewhere on the ambisonics
website there will be some text and graphic about such setups.