Thanks On Fri, Nov 25, 2022, 12:33 PM Emanuele Costantini <lamacchiaco...@yahoo.it> wrote:
> Hello Jim, > > I've abandoned the filter matrix of my Brahma-in-mic for quite a while > now, as it didn't gave what was supposed to do. Long story short, I > scrapped it and now I work without it, with better results and I am > quite happy. > > If you want, I can send you my template Reaper session for AtoB > conversion. You will need Voxengo MSED and Harpex-X as plugins. > > Thank you. > > Emanuele > > On 25/11/2022 03:55, James Mastracco wrote: > > Hello Surround Sound discussion group - , > > > > > > I have been comparing WXYZ recordings with a H2n Modified Zoom - aka > Brahma microphone with an unmodified H2n. The contrasts between basic > "left versus right" comparisons, as well as visual comparisons with the > HARPEX player have left me unhappy with the recordings with the Brahma > microphone. > > > > I am processing the recorded A Format files utilizing the enclosed > Matrix filters, but I need to confirm that I'm doing the A to B Format > conversion correctly. I am hoping that other Brahma H2n users who are > convinced everything is working properly, might provide a test file or two, > or something they are convinced is accurate so that I might process it from > A to B Format. Something with clear directional content would be > terrific, a 'no doubter', if you will. > > > > Ideally, I could use the following: > > > > - again, A-format file from your H2N Brahma recorder/mic that "you are > happy with" - > > - the A-format to B-format filter matrix file that came with your > Brahma, for use with X-volver > > - your conversion of the A-format file to B-format > > > > > > Please specifiy the convention that was sused for your filter matrix > file: FuMa or AmbiX > > > > > > I should also point out, that my comparisons are not being driven by > 'subjective' appraisals of acoustic environments, or any sense of > "ambisonic realism", (my expression) but rather specific comparisons of > acoustical transients in rooms for the W,X,Y, and Z components - > prescriptively. > > > > > > That is to say, If I take a Brahma H2n recorder - and compare it with > an unmodified H2n recorder, there should be some consistent comparisons > between the W,X, and Y signals upon conversion. I am also interested, in > comparing the results with other 'point and shoot' ambisonic recorders, but > that is down the road. > > > > > > I'll note that I've done my own primitive 'hacking' once upon a time. > Here is a picture of two Zoom H2s - circa 2014, one using a 3D capsule > mount, recording from a choir loft position of a holiday choral concert. I > can provide the 'HARPEX' playback the recording on the left, which did > generate a reasonably good B Format result, with all four components W,X,Y > and Z. > > > > > https://forjustonevet.dreamhosters.com/Acoustician/Brahma_Mic_Issues/Brahma_Mic_Return/WMC_BHP_2014_1.jpg > > > > > > Thank you in advance for your assistance, > > > > > > Jim Mastracco > > > > _______________________________________________ > > Sursound mailing list > > Sursound@music.vt.edu > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > edit account or options, view archives and so on. > _______________________________________________ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > edit account or options, view archives and so on. > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20221130/b4505cd4/attachment.htm> _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit account or options, view archives and so on.
