Has anyone done a calibration of a RØDE NT-SF1 and compared the RØDE A-to-B format conversion with the conventional matrix and calibration filter A-to-B format conversion - including the effect of a moving mic or sound source? Anyone willing to take it on? The results could be very interesting.

Gerard Lardner


On 17/12/2018 09:39, Dave Hunt wrote:
Hi,

There is slightly more description of their A to B-format processing
(but not much) in Rode's blog:

<http://www.rode.com/blog/all/soundfield-plugin>
>From that web page.

"The SoundField by RØDE plug-in uses a new time-frequency adaptive approach for A to 
B-format conversion. This complex mathematical process means the phase between the 
A-format channels are aligned prior to application of the conversion matrix – essentially 
correcting for the non-coincidence of the capsules prior to any further processing."

How might they phase/time align the capsules ??

This must indeed be highly complex, as it is frequency dependent (low 
frequencies have smaller phase differences than high frequencies) as well as 
source directionally (across multiple blind sources) dependent.

Ciao,

Dave Hunt



On 16 Dec 2018, at 17:00,sursound-requ...@music.vt.edu  wrote:

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   1. Re: Soundfield by Rode plugin (Gary Gallagher)

From: Gary Gallagher<g.null.dev...@gmail.com>
Subject: Re: [Sursound] Soundfield by Rode plugin
Date: 16 December 2018 04:36:11 GMT
To: Surround Sound discussion group<sursound@music.vt.edu>


Thanks for that reference. I guess we'll just have to wait for more
information to filter out.

On Sun, Dec 16, 2018, 01:36 Paul Hodges<pwh-surro...@cassland.org>  wrote:

There is slightly more description of their A to B-format processing
(but not much) in Rode's blog:

<http://www.rode.com/blog/all/soundfield-plugin>

Paul

--
Paul Hodges

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