Few's latest activity
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Few reacted to Tom Kamphuys's post in the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else with
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A little teaser: Measurements every 10 degrees steps, transformed (2D) into coefficients and evaluated every degree. -
Few reacted to Tom Kamphuys's post in the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else with Like.
I created a GitHub repo for NTK's Matlab/Octave code. If should be publicly accessable. I can change the name of the repo. Anyone can...
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Few replied to the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else.For those interested in using Python, I just found this source of spherical harmonics tools. I’m not sure if they do anything NTK hasn’t...
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Few replied to the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else.It looks to me like the spherical harmonic transform is the same as the fit to the angular components of the sound field. it doesn’t...
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Few replied to the thread Desk setup for listening to music.In case you might consider diy: https://www.diyaudio.com/community/threads/are-there-any-good-diy-planar-kits.317425/ I marvel at my...
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Few replied to the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else.“Should have thought of that myself..." Nah…that’s what audio friends are for! Bummer the option is not part of Octave. Few
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Few replied to the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else.For help with Octave, you can search online for Matlab's generally excellent help. Find "round" here. The bottom line is the 4 dictates...
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Few replied to the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else.My LabVIEW program isn't ready for use in its current state. I'll have to dig it out and remind myself of its status. I think that when...
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Few replied to the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else.Good to know. Thanks. I actually wrote a program in LabVIEW that I can run from the Mac. It doesn't provide lots of ways to view the...
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Few replied to the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else.This version is a hybrid of the one in the Ebay Openbuild link Mark provided, and the interdigitated belt system I mentioned previously...
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Few replied to the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else.The only Windows in my house let in the light, so ARTA won't be a solution for me. I've tried several schemes for running Windows...
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Few replied to the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else.Yeah I considered a threaded rod of some sort (acme, ball screw, etc.) but I’m assuming the vertical range of motion has to be pretty...
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Few replied to the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else.The reason I am thinking of having the motor move is that I like this “ServoBelt” design which essentially eliminates timing belt...
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Few replied to the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else.As I sketch mechanical designs for a mic scanning device, I’m reminded of an issue I raised probably 2-3 years ago—stepper motor noise...
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Few replied to the thread DIY 3D Speaker Scanner - the Mathematics and Everything Else.Videos of Klippel's crazy-complex mic positioner seem to me to show the vertical member (not the horizontal tube the mic is mounted to)...
