Jack Reynolds wrote

> The only problem with using ambisonics mics is the high frequency limit
> above which they stop working properly. A second order ambi mic reduces
> this problem, but above about 7Khz the not quite coincident capsules
> becomes a problem.
This isn't correct.

Here's OctoMic's omnidirectional directivity graph:

  https://www.core-sound.com/OctoMic/OM-265-omni.png

Here's a well-known German omnidirectional mic's graph:

  https://schoeps.de/en/products/colette/capsules/omnis/mk-2.html

---

Here's the same comparison for cardioid:

  https://www.core-sound.com/OctoMic/OM-265-cardioid1-log.png

Here's the well-known German cardioid mic's graph:

  https://schoeps.de/en/products/colette/capsules/cardioids/mk-4.html

---

You can see more graphs here: www.core-sound.com/OctoMic/2.php

Please compare them yourself.


Len Moskowitz (mosko...@core-sound.com)
Core Sound LLC
www.core-sound.com
Home of OctoMic and TetraMic
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