 Fernando Pablo Lopez-Lezcano
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f28732e7ef
first try at including the microphone array in the complete design, include common scad file
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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1e51bf2d99
added TinySpHEAR_common to hold all the modules and functions common to all the tetrahedral microphones
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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e4aa923e74
first iteration of a mount that holds four interface printed circuit boards
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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5960aad435
moved capacitors in line to fit better inside microphone mount
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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26001a3e4b
add kicad cache library
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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25805bda01
version of the zapnspark PCB including a 1/8" stereo mini jack for the outputs
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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de93e02676
upgrades to the printed circuit board, make space to mount the electrolitic capacitors horizontally
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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1e0ecae6c0
add the option to shape the frequency spectrum above and below the transition frequency - the shape is currently hardwired in the file for testing only
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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c25c1e3870
always make the filters minimum phase, trim the zero part and return just the real impulse response, write a tetraproc compatible wav file
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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ff5ab52558
with the close to minimum phase change the frequency response is flatter, change the max radius for the polar plots to show them bigger
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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67dbcabf37
leave the proper sin transition length of 8
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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9e4db32f26
add code to implement the minimum phase transformation described in "Two alternative minimum-phase filters tested perceptually", AES paper 9554, yields much smaller phase shifts in the high frequency range
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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c9649ddf6f
set the right order for the plot legends
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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cd4d83ad71
use a spline for the 1/8 octave plot, plot only until 20KHz
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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6f26f80fe1
restore old plot limit
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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6d9132b3ca
change polar plot max radius
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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893509ba7e
generate a separate figure that shows the degradation of a virtual cardioid microphone due to phase shifts between W and X
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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91ad0b6d75
latest changes to the script that generates the figures for the AES paper
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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a1fbe66a0a
plot z again, the cardioid figure is now done separately
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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b7c57a1ae2
do not load the signal package, this is now done elsewhere
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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946ee31a8f
make the y axis range of the plots programmable
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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9bd0da10e4
add functions to create B format signals without going through the FIR filter
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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bfc7272fb8
add missing GPL license
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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5f4a77e33d
add functions to create polar plots for encoder created by Fons
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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0d12beaba4
add option to create cardioid polar plot instead of Z polar plot
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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e8862d8434
make figures in color, this is not automated yet...
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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4d839e5d8b
make figures color, this is not automated yet
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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c394a961ee
add polar plots, only print high frequency of cardinal plots, add options (not automatic) for color and monochromatic printing
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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982a736a38
better printout of the polar plots
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%!s(int64=10) %!d(string=hai) anos |
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Fernando Pablo Lopez-Lezcano
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334261f92f
load the signal package
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%!s(int64=10) %!d(string=hai) anos |
