I upmix to third order and then use the Blue Ripple Spotlight plugin to isolate 
on half of the sound field from each mic and then combine the two into a single 
third order ambix signal to decode binaurally. It’s sound really nice. 
I’ll post a session with some files of a dawn chorus recording when I get a 
chance.
J

Sent from my iPhone

> On 22 Oct 2020, at 17:00, Fons Adriaensen <f...@linuxaudio.org> wrote:
> 
> On Thu, Oct 22, 2020 at 04:42:28PM +0100, Jack Reynolds wrote:
> 
>> I have had great results with a pair of spaced first order ambisonic mics
>> for binaural decoding. 
> 
>> Taking the left hemisphere of one of the mics, and right hemisphere of the 
>> other
> 
> How do you obtain only one hemisphere from a first order AMB mic ?
> By linear processing the only possible way would just be a virtual
> cardioid or something near. At higher order you could obtain something
> closer to a hemisphere. 
> So did you use some non-linear process (e.g. Harpex) ?
> 
> -- 
> FA
> 
> 
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