riaensen
> > > Sent: 04 June 2013 10:54
> > > To: sursound@music.vt.edu
> > > Subject: Re: [Sursound] Nevaton microphones
> > [...]
> > > Imagine a circular array. For a single distant source, AMB
> > > will use only two or three speakers, those clos
On Tue, Jun 04, 2013 at 01:52:57AM +0300, Sampo Syreeni wrote:
> On 2013-06-03, Fons Adriaensen wrote:
>
> >Note the sqrt(k) factor in eq.(4). This the 3dB/oct factor I
> >mentioned before. It arises because in the derivation of the
> >driving function vertical line sources are replaced by point
On 2013-06-03, Fons Adriaensen wrote:
Note the sqrt(k) factor in eq.(4). This the 3dB/oct factor I mentioned
before. It arises because in the derivation of the driving function
vertical line sources are replaced by point sources, and NOT because
the resulting line array of secondary sources be
On Mon, Jun 03, 2013 at 08:10:59PM +0300, Sampo Syreeni wrote:
> >2) Will using some filters help to achieve this ?
>
> Here I'm not too sure yet. If you look at e.g.
> dafx04.na.infn.it/WebProc/Proc/P_250.pdf , on the WFS
> side they seem to be including frequency dependent terms for
> the cor
Sampo wrote:
>
> Fons's is a much more elegant way of looking at this than mine was.
> --
And mine ... also correct... ;-(>
Thanks for the intervention, Fons.
Michael
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On 2013-06-03, Fons Adriaensen wrote:
No surprise, a lot of issues got mixed up in this thread:
Agreed.
2) Will using some filters help to achieve this ?
Here I'm not too sure yet. If you look at e.g.
dafx04.na.infn.it/WebProc/Proc/P_250.pdf , on the WFS side they seem to
be including f
On Mon, Jun 03, 2013 at 08:10:29PM +0530, umashankar manthravadi wrote:
> I am a little confused by this discussion.
No surprise, a lot of issues got mixed up in this thread:
1) Can a 2D (horizontal-only) playback system generate
plane waves (that do not attenuate with distance) ?
2) Will us
000
> From: f...@linuxaudio.org
> To: sursound@music.vt.edu
> Subject: Re: [Sursound] Nevaton microphones
>
> On Mon, Jun 03, 2013 at 05:51:40AM -, Michael Chapman wrote:
>
> > -If you want a horizontal W (say 'W(2)')
> > -if you are happy to have this 'omni
On Mon, Jun 03, 2013 at 05:51:40AM -, Michael Chapman wrote:
> -If you want a horizontal W (say 'W(2)')
> -if you are happy to have this 'omni' as having a cardiod polar pattern
> (in the vertical plane) -which surely one wants to match the vertical
> polar patterns of X and Y (???)
> then:
>
On Sun, Jun 02, 2013 at 11:14:24PM -0400, David Pickett wrote:
> Perhaps I was not clear. Take 2:
>
> It seems to me that Sampo claimed that the omni from a double
> capsule mic is not the same as the W signal obtained by processing
> the ouputs of the four mics in the A-format tetrahedral arra
David Pickett wrote:
>
> Perhaps I was not clear. Take 2:
>
> It seems to me that Sampo claimed that the omni from a double capsule
> mic is not the same as the W signal obtained by processing the ouputs
> of the four mics in the A-format tetrahedral array, and I would
> agree. However, the for
At 11:23 2/6/2013, Michael Chapman wrote:
>> At 19:55 1/6/2013, Sampo Syreeni wrote:
>>>On 2013-06-01, David Pickett wrote:
>>>
>>>What I take this to mean is that if one is using WXY (derived from
>>>A-format) for horizontal only playback, W will contain unwanted
>>>vertical information that shou
f the compromises we make in decoder and system design. There probably is
a good deal of progress still to be made in this area.
Eric Benjamin
- Original Message
From: Sampo Syreeni
To: Surround Sound discussion group
Sent: Sat, June 1, 2013 6:55:04 AM
Subject: Re: [Sursound] Nevaton
> At 19:55 1/6/2013, Sampo Syreeni wrote:
>>On 2013-06-01, David Pickett wrote:
>>
>>What I take this to mean is that if one is using WXY (derived from
>>A-format) for horizontal only playback, W will contain unwanted
>>vertical information that should be discarded.
>>
>>Correct for W, but also for
At 19:55 1/6/2013, Sampo Syreeni wrote:
On 2013-06-01, David Pickett wrote:
What I take this to mean is that if one is using WXY (derived from
A-format) for horizontal only playback, W will contain unwanted
vertical information that should be discarded.
Correct for W, but also for X and Y. T
On Sun, Jun 02, 2013 at 02:55:28AM +0300, Sampo Syreeni wrote:
> But if you then record even the ideal infinitely distant point source
> in the horizontal plane using the same setup, and try to reproduce it
> using a pantophonic/2D rig, what you get is the same problem WFS gets.
> The directionali
--On 02 June 2013 02:55 +0300 Sampo Syreeni wrote:
it will be reproduced wrong unless you're doing full periphony.
This much is clear. But given the practical importance of a
horizontal-only setup throughout the history of Ambisonics, I'd be
surprised if any substantial improvement could b
On 2013-06-01, David Pickett wrote:
What I take this to mean is that if one is using WXY (derived from
A-format) for horizontal only playback, W will contain unwanted
vertical information that should be discarded.
Correct for W, but also for X and Y. That's not the end of the story
either: y
At 09:54 1/6/2013, Sampo Syreeni wrote:
BTW, did you ever look through what Z really does to you *encoding*
equations? Formally, in order to arrive at proper pantophony you
always have to either reject Z fully or purposely subtract it from
the whole B-format signal set. Otherwise, even assumin
On 2013-05-31, Daniel Courville wrote:
I always insist on recording 'Z', and then almost never end up using
it...
Not even to "look" down or up in a stereo decode? I use the Z quite
often (if not always) when recording large ensemble and the SF mic is
more than 10 feet off the floor.
BTW,
all. So if someone were to give me a
Nevaton MC-50, I'd use it!
But at the price they want for it, I'd rather get something else.
Eric
- Original Message
From: Daniel Courville
To: Sursound
Sent: Fri, May 31, 2013 10:18:13 AM
Subject: Re: [Sursound] Nevaton micropho
Le 2013-05-30 13:53, Eric Benjamin a écrit :
>I always insist
>on recording 'Z', and then almost never end up using it...
Not even to "look" down or up in a stereo decode? I use the Z quite often
(if not always) when recording large ensemble and the SF mic is more than
10 feet off the floor.
- D
Eric Benjamin à écrit:
> The lack of a vertical component is an interesting conundrum. I always
> insist
> on recording 'Z', and then almost never end up using it...
>
Still ... seems a pity to have _four_ capsules and no 'Z' ...
Michael
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Sent: Thu, May 30, 2013 8:11:31 AM
Subject: [Sursound] Nevaton microphones
Hello,
anyone tried these multichannel mic?
http://nevatonmics.com/mics_multichannel.php
I wonder what the "quad" configuration is.
Thanks.
Ema
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> Hello,
>
> anyone tried these multichannel mic?
>
> http://nevatonmics.com/mics_multichannel.php
>
> I wonder what the "quad" configuration is.
>
Looking at the PDF ...it _looks_ like two 'figure of eights' mounted in
the horizontal plane.
I say 'figure of eights' but with four outputs, that is
Hello,
anyone tried these multichannel mic?
http://nevatonmics.com/mics_multichannel.php
I wonder what the "quad" configuration is.
Thanks.
Ema
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