...Show www.holoplot.com or www.syntheticwave.de
H.
Am 16.11.2016 21:57 schrieb "jim moses" :
> Hi,
> I'm looking for suggestions for an installation project. I need to transmit
> multi-channel audio to up to 10 loudspeakers. The distances are pretty
> short but I'm looking for a system with fle
...let us describe the main relations again.
The surface of the wave front radiate from point source increase by pi*d
quadrat. For double distance 4times larger surface results. 10 log (1/4) =
- 6,02 dB.
Cylinder wave surface doubled by double distance. 10 log( 1/2)= -3 dB.
Plane wave surface rem
...as long as loudspeakers remain audible, we are not really faced by a
proper wave fild synthesis system. The reason for the described problem is
not the wave field synthesis principle itself, but its reduction at a
single loudspeaker row.
If we come closely at such array, say 5cm distanced, we ca
Hi Augustine,
the parallel wave front virtually originate from startimg point far away
behind the loudspeaker array.
In the same manner as the moon is following you, if you are walking across
the street at nigth, the sound source follows your migration.
Besides, a loudspeaker line cannot produc
2011/4/26 Dave Malham
>
>
On 24/04/2011 19:11, Helmut Oellers wrote:
...modern computers are also clever. Today nothing is unaccountable if we
know the formula and all variables.
That's a BIG assumption - and given the essentially chaotic (in the
mathematical sense) nature of t
...modern computers are also clever. Today nothing is unaccountable if we
know the formula and all variables. Audio is no mysterious. The complete
sonic field would be calculatable. The only problem is the huge amount of
variables. In principle, yet, we are able to calculate any wave front of th
Hi David,
you are not alone in your insigthes. Some single discrete reflections are
the most important fact for estimation of source distance.
There exist research from Helmut Wittek, who was proven, play the
reverberation from four different directions is absolutely sufficient. We
cannot use the
Hello Junfeng
We cannot perceive the distance regarding the sound source directly. The
both receptors for sound, differently the eyes, are dedicated for perceiving
the direction regarding the source, not the distance. Thus, we must rely
upon natural Stimul, stored by listening experience in our mi
Hi Mark,
what you describe, finally is the typically american solution: Printing
money for solving the crisis or increase the number of channels for improve
the spatial impression. We call the worn- out ways as commercial.
But finally, more creative solutions will get the drop on.
Regards H.
Hello Stefan, good discussion.
> However: How many "dry recorded audio tracks" are there? There might be
> dozens... Therefore, you can't control things like space or data rate for
> streaming.
>
I see the upper limit at 32. Nobody is able to separate more source
positions in the real environ
Hello Stefan,
you wrote: *The** description could fit to Ambisonics, but they do not
mention < any > technical details.*
As far as I can see, the description closer related to the "Holophony"
approach, see www.holophony.net . That's such an object based approach. The
transmission is separate in
...there is written at page two "sounds coming from everywhere around and
above the listener"
That's the problem. We are surrounded, not include in the sound. Really
immersive solutions are existing today, per example search "holophony" in
Google.
Regards, Helmut
2010/11/26 Eero Aro
> Some l
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