Holger Wirtz
650c10d914
Removes feedback and delay-offset completely.
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Added simple description how to test the hardware on Linux inside config.h
Compile time option for using an output filter (and which type and cutoff) added
inside config.h
5 years ago
Holger Wirtz
d3c8990996
Fixed some debugging information.
5 years ago
Holger Wirtz
812dff60aa
Several small fixes for modulated delay offset and amplitude calculation.
5 years ago
Holger Wirtz
686a861621
Rewrite of delay offset for modulated-delay.
5 years ago
df29c71f8e
Exchanged delay offset calculation from time to bytes (or better percent).
5 years ago
7e24df7a46
Fixing inital chorus values.
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Fixing volume parameters.
5 years ago
Holger Wirtz
074c275db2
Fixing mono/stereo switch.
5 years ago
Holger Wirtz
e69c007b63
Added Mono/Stereo switch.
5 years ago
Holger Wirtz
c77cbcf8fb
Fixing setting negative numbers for eq_treble and eq_bass.
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Fixing chorus feedback.
5 years ago
Holger Wirtz
1da17fa68c
Adding a fixed biquad filter at the output of the modulated delay.
5 years ago
Holger Wirtz
aace9aa8c2
Fixing modulated delay feedback routing.
5 years ago
Holger Wirtz
245eae64a2
Fixes for modulated delay feedback.
5 years ago
Holger Wirtz
7c93f655a9
Fixed initial modulated delay offset when loading a sound.
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Removed modulated_delay internal feedback loop and added an "external" feedback lopp with a mixer.
5 years ago
Holger Wirtz
9c3dcb17d5
Small fixes.
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Boundary checks for setting parameters added.
5 years ago
Holger Wirtz
c2c284a14b
Removed old mozzi test code.
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Added displaying name of chorus waveform in menu.
Added a copy of Teensy audio library SynthWaveform for adding a method for
changing the waveform at runtime. Don't know if this can also be done without
this method...
5 years ago
Holger Wirtz
bd42d373c0
Removed debug code.
5 years ago
Holger Wirtz
111d5e2722
Added menus for chorus feedback and waveform.
5 years ago
b4b9a56287
Added new HEX file.
5 years ago
Holger Wirtz
4cf6145888
Hopefully fixed the modulated delay.
5 years ago
Holger Wirtz
3605d6b6a8
Added function for LP coefficient calculation based on frequency and q.
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Small fixes for calculating the delay offset.
5 years ago
41ad26f3a0
Save the current state.
5 years ago
Holger Wirtz
9821017104
Added tests for DC-filter.
5 years ago
Holger Wirtz
5a701c0ac5
Several fixes and additions for filtering chorus modulator nd output.
5 years ago
Holger Wirtz
52d5d52662
Next test.
5 years ago
b3c69d620b
Testing with two modulators (triangle and sine) added together.
5 years ago
Holger Wirtz
cf3218a09c
Added function for coeff-calculation.
5 years ago
Holger Wirtz
949975f9e2
Added URLs for demo code.
5 years ago
Holger Wirtz
242f7c72da
Fixing coefficients.
5 years ago
Holger Wirtz
d2506f0b74
Filter for modulator implemented again (just testing).
5 years ago
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
263047aee4
Next try...
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
63762acd95
Small fixes.
5 years ago
Holger Wirtz
3c87c7f411
Added spline interpolation again.
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Using Teensy biquad lowpass for filtering the modulator signal.
6 years ago
Holger Wirtz
c5db956a3d
Removed Splie interpolation.
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Tried another calculation for filter coefficients.
6 years ago
Holger Wirtz
11a4168cf3
Testing with fixed values.
6 years ago
Holger Wirtz
0f3d4e14b9
Replaced own filter functions with CMSIS library function calls.
6 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).
6 years ago
Holger Wirtz
5c987723d6
Fixed rounding of floats for working with negative numbers.
6 years ago
Holger Wirtz
29268ab1fa
Slightly better simple interpolation code.
6 years ago
Holger Wirtz
1d8f8280d5
Added usb-audio output.
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Removed TGA and PT8211 outputs due to heavy usage of the SGTL5000.
6 years ago
Holger Wirtz