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Soundfield/Ambisonics delivery workflow

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20 minutes ago, soundmanjohn said:

And, joy of joys, Len Moskowitz has announced the OctoMic - a second order Ambisonic mic with eight capsules (the ninth channel is deriveded in software) which will make life even more complicated, but the audio will be better with a larger sweet-spot and better localisation. I'll be getting mine in the spring of next year, along with an SD MixPre-10.


Probably with second order and upper (3, 4....), we need new connections such as Dante with POE for do our life easier (Also we need new recorders with Dante, Ravenna or AES67)

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On ‎10‎/‎24‎/‎2017 at 6:27 PM, Bash said:

Be aware that on a Zoom F8, with the latest software, you can record A format on 4 tracks, and B format on the other 4. Likewise on the Sonosax SX-R4+ (it is coming very, very, soon). The B format conversion occurs within the machine at the time of recording. just saying.......


Laters..... sb

The Zoom F8 firmware upgrade to 4.x is indeed a great simplifier in the field. IIRC it is basically the Sennheiser Ambeo plugin integrated. The reason this might matter is that my experiments with Surroundzone2 and the Ambeo plugin using the Ambeo mic as well as a Calrec Soundfield MK4 reveal possible compatibility issues, and I'm not talking channel order (WXYZ vs WYZX) or normalization. The Calrec steers beautifully with the Souroundzone2, the Ambeo mic recording decoded to Ambix and steered within the Ambeo plugin will also sound good but decoded to FuMa and then steered in surroundzone2 will sound somewhat phasey, maybe due to different correction filtering compensating for a different 4 capsule array dimensions (Ambeo-mic capsules are way smaller than Calrec). So the F8 decoding to B-Format will probably work best for the Ambeo mic. others not so much.

I'd stick with recording and delivering both the proper B-format (ask) and the raw A format if possible.

I would like to hear more about how you guys get the videographers to commit to 0 degrees.


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