Re: [Sursound] Nevaton microphones

2013-06-02 Thread Paul Hodges
--On 02 June 2013 02:55 +0300 Sampo Syreeni de...@iki.fi 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

Re: [Sursound] Nevaton microphones

2013-06-02 Thread Fons Adriaensen
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 directionality

Re: [Sursound] Nevaton microphones

2013-06-02 Thread David Pickett
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.

Re: [Sursound] Nevaton microphones

2013-06-02 Thread Michael Chapman
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.

Re: [Sursound] Nevaton microphones

2013-06-02 Thread Eric Benjamin
did you ever look through what Z really does to you *encoding* equations? because they're always a bit spread out even vertically, not all of that problem can be remedied. AND The only way to really get that distance calculation right is to employ periphony You are undoubtedly correct. But

Re: [Sursound] Nevaton microphones

2013-06-02 Thread David Pickett
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 should be discarded.

Re: [Sursound] Nevaton microphones

2013-06-02 Thread Michael Chapman
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 former