Holger Wirtz
2d348affa1
Simple 1st-order filter test, as BlackAddr sugested: https://forum.pjrc.com/threads/56532-Modulated-Delay-Chorus-Flanger?highlight=Chorus
5 years ago
Holger Wirtz
7e92a0b268
Trying again with Chamberlin filter for modulation to smooth the used
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modulation waveform.
Renamed some vars for better reading.
Made the used core algorithm easier - hopefully it works and the sound is
better than before.
5 years ago
Holger Wirtz
384bbcb54a
Chorus fixes.
5 years ago
Holger Wirtz
b2cf72fae0
Added arm_biquad LP filter for modulation.
5 years ago
Holger Wirtz
9e6e5bca3a
Fixes.
5 years ago
016cd6231e
Removed chorus_intensity because modulator.amplitude can be used.
5 years ago
Holger Wirtz
f1c71120b2
Changed chorus mix-in.
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Small fixes for interpolation.
5 years ago
Holger Wirtz
becb55dec3
Code cleanup and small fixes.
5 years ago
6dd9bb923b
Removed code for spline interpolation.
5 years ago
Holger Wirtz
55b6718219
New try for linear interpolation.
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Added a lowpass after chorus output.
5 years ago
Holger Wirtz
9dec11226d
Several fixes.
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Hopefully working interpolation (Catmull currently does not work because of too high CPU usage and xruns).
5 years ago
Holger Wirtz
3c87c7f411
Added spline interpolation again.
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Using Teensy biquad lowpass for filtering the modulator signal.
5 years ago
Holger Wirtz
c5db956a3d
Removed Splie interpolation.
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Tried another calculation for filter coefficients.
5 years ago
Holger Wirtz
11a4168cf3
Testing with fixed values.
5 years ago
Holger Wirtz
0f3d4e14b9
Replaced own filter functions with CMSIS library function calls.
5 years ago
Holger Wirtz
84981851fc
Added IIR filter (1-order, 3-order) for filtering LP-filtering the mdulation
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signal at 5000 Hz (just for testing).
5 years ago
Holger Wirtz
5c987723d6
Fixed rounding of floats for working with negative numbers.
5 years ago
Holger Wirtz
29268ab1fa
Slightly better simple interpolation code.
5 years ago
Holger Wirtz
6b40071313
Optimizations.
5 years ago
Holger Wirtz
91df5f84a8
Fixes for the chorus.
5 years ago
d5430fe5a4
SMaller fixes and tests.
5 years ago
ab26969b4c
Trying spline interpolation and simple gauss filter.
5 years ago
4638551841
Fixes for chorus intensity and loading values at startup.
5 years ago
Holger Wirtz
938a7dd67b
Small fixes for chorus.
6 years ago
Holger Wirtz
30267eb805
Added inverter for second modulated delay as stereo chorus simulation.
6 years ago
Holger Wirtz
a6f913c888
Added effect functions for controllers.
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Smaller fixes.
6 years ago
Holger Wirtz
16411e79cb
Showing volume menu fixed.
6 years ago
Holger Wirtz
ad604d900e
Renaming files from *chorus to *delay.
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Fixing and optimizing code for modulated delay calculation.
6 years ago
Holger Wirtz
589785be5c
Several small but necessary fixes!
6 years ago
Holger Wirtz
23757f818a
Fixing types.
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Enabling chorus in etup() again.
Small fixes.
6 years ago
Holger Wirtz
bafeeb0cc2
Fixed storing and loading of sounds.
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Fixed Interpolation code for chorus.
Small fixes.
6 years ago
1ba03e24eb
Trying to fix interpolation problems...
6 years ago
Holger Wirtz
5b5acd8ba8
Replaced spline interpolation with interpolation from https://github.com/tuxcell/interpolationArduino
6 years ago
Holger Wirtz
9839477e05
Added spline interpolation functions.
6 years ago
71f7e1370d
Chorus works :-) but linear interpolation is not the best... will try
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splines...
6 years ago
fe67302b62
Small fixes.
6 years ago
Holger Wirtz
891d4d95ee
Next try for a Chorus (modulated delay).
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Fixed distortion due to too high loudness (volume) inside mdaEPiano.
6 years ago
Holger Wirtz
24b930e08d
Volume fixes.
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Started modulated chorus effect.
6 years ago
Holger Wirtz