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Holger Wirtz cd750c4b37 Fixing volume and distortion problems with buggy AudioAmplifier. 4 years ago
addon Fix extension. 4 years ago
doc Fixed delay level. 4 years ago
third-party Going back to beta LCDMenuLib2 because of trouble with some functions. 4 years ago
.gitignore Added REDUCE_LOUDNESS_FACTOR for avoiding digital clipping. 4 years ago
.swo Added pseudo-logarithmic volume changes. 4 years ago
Disp_Plus.h Fixing hanging and problems when reading from SD caused from panic() and disabling the audio interrupt. 4 years ago
EngineMkI.cpp Code cleanup add license additions. 6 years ago
EngineMkI.h ... 6 years ago
EngineOpl.cpp Fixes. 6 years ago
EngineOpl.h Fixes. 6 years ago
LICENSE-APACHE2.txt Code cleanup add license additions. 6 years ago
LICENSE-GPL3.txt Code cleanup add license additions. 6 years ago
MicroDexed.ino Fixing volume and distortion problems with buggy AudioAmplifier. 4 years ago
PluginFx.cpp Fixing volume and distortion problems with buggy AudioAmplifier. 4 years ago
PluginFx.h Fixing volume handling for dexed engine. 4 years ago
README.md Several changes for better displaying the current selected instance. 4 years ago
UI.hpp Fixing volume and distortion problems with buggy AudioAmplifier. 4 years ago
UI_FX.h Fixing hanging and problems when reading from SD caused from panic() and disabling the audio interrupt. 4 years ago
UI_NO_FX.h Fixes for non-FX version. 4 years ago
aligned_buf.h Initial version 6 years ago
config.h Fixing volume and distortion problems with buggy AudioAmplifier. 4 years ago
controllers.h Fixed portamento glissango mode. 4 years ago
dexed.cpp Fixing volume and distortion problems with buggy AudioAmplifier. 4 years ago
dexed.h Dropped old code pieces and small fixes. 4 years ago
dexed_sd.cpp Several small fixes. 4 years ago
dexed_sd.h Several small fixes. 4 years ago
dx7note.cpp Fixed portamento glissango mode. 4 years ago
dx7note.h Fixed portamento glissango mode. 4 years ago
effect_auto_pan.cpp Copyright dates modified. 4 years ago
effect_auto_pan.h Copyright dates modified. 4 years ago
effect_dynamics.cpp Added a limiter after the dexed engine to avoid clipping. 4 years ago
effect_dynamics.h Added a limiter after the dexed engine to avoid clipping. 4 years ago
effect_modulated_delay.cpp Copyright dates modified. 4 years ago
effect_modulated_delay.h Copyright dates modified. 4 years ago
effect_mono_stereo.cpp Fixes for voice loudness. 4 years ago
effect_mono_stereo.h Copyright dates modified. 4 years ago
effect_stereo_mono.cpp Copyright dates modified. 4 years ago
effect_stereo_mono.h Copyright dates modified. 4 years ago
env.cc Changed all "double" values to macro FRAC_NUM (defined in synth.h as float), for using the FPU in the Teensy. 6 years ago
env.cpp Changed all "double" values to macro FRAC_NUM (defined in synth.h as float), for using the FPU in the Teensy. 6 years ago
env.h Changed all "double" values to macro FRAC_NUM (defined in synth.h as float), for using the FPU in the Teensy. 6 years ago
exp2.cpp Changed all "double" values to macro FRAC_NUM (defined in synth.h as float), for using the FPU in the Teensy. 6 years ago
exp2.h Initial version 6 years ago
fast_log.h Added a limiter after the dexed engine to avoid clipping. 4 years ago
fm_core.cpp Code cleanup add license additions. 6 years ago
fm_core.h ... 6 years ago
fm_op_kernel.cc Changed all "double" values to macro FRAC_NUM (defined in synth.h as float), for using the FPU in the Teensy. 6 years ago
fm_op_kernel.cpp Reorder config.h inclusion 5 years ago
fm_op_kernel.h Initial version 6 years ago
freqlut.cpp Changed all "double" values to macro FRAC_NUM (defined in synth.h as float), for using the FPU in the Teensy. 6 years ago
freqlut.h Changed all "double" values to macro FRAC_NUM (defined in synth.h as float), for using the FPU in the Teensy. 6 years ago
lfo.cpp Changed all "double" values to macro FRAC_NUM (defined in synth.h as float), for using the FPU in the Teensy. 6 years ago
lfo.h Changed all "double" values to macro FRAC_NUM (defined in synth.h as float), for using the FPU in the Teensy. 6 years ago
midi_devices.hpp Fixing hanging and problems when reading from SD caused from panic() and disabling the audio interrupt. 4 years ago
midinotes.h Fixed summing of signals as integers. 6 years ago
module.h Initial version 6 years ago
name.c Added name for USB device. 5 years ago
pitchenv.cpp Changed all "double" values to macro FRAC_NUM (defined in synth.h as float), for using the FPU in the Teensy. 6 years ago
pitchenv.h Changed all "double" values to macro FRAC_NUM (defined in synth.h as float), for using the FPU in the Teensy. 6 years ago
porta.cpp Added Portamento function from https://github.com/asb2m10/dexed/pull/183 5 years ago
porta.h Added Portamento function from https://github.com/asb2m10/dexed/pull/183 5 years ago
sin.cpp Small FPU optimisations. 6 years ago
sin.h Initial version 6 years ago
source_microdexed.h Dropped old code pieces and small fixes. 4 years ago
synth.h Optimized mono2stereo effect. 4 years ago

README.md

MicroDexed

Dexed port for Teensy (3.6/4.0 with audio shield and LCD or OLED display)

This is a port of the original Dexed/msfa engine (see https://github.com/asb2m10/dexed and https://github.com/google/music-synthesizer-for-android) to be used on a Teensy-3.6 or Teensy-4.0.

The current state is: work in progress... but near version 1.0!

License

MicroDexed is licensed on the GPL v3. The msfa component (acronym for music synthesizer for android, see https://github.com/google/music-synthesizer-for-android) stays on the Apache 2.0 license to able to collaborate between projects.

Credits & thanks

  • Dexed engine by Pascal Gauthier (asb2m10)
  • DX Synth engine (as part of Dexed): Raph Levien and the msfa team
  • PPPlay : Great OPL3 implementation, with documented code :D
  • Thierry: for extreme testing, discussing about different options and many good suggestions for UI handling

Dexed comes with 3 engine types :

  • Modern : this is the original 24-bit music-synthesizer-for-android implementation.
  • Mark I : Based on the OPL Series but at a higher resolution (LUT are 10-bits). The target of this engine is to be closest to the real DX7.
  • OPL Series : this is an experimental implementation of the reversed engineered OPL family chips. 8-bit. Keep in mind that the envelopes stills needs tuning.