hexefx_audiolib_F32

Audio effects library for Teensy4.x (extension to OpenAudio_ArduinoLibrary)

GUI available HERE

Effects

AudioEffectInfinitePhaser_F32
Infinite/barberpole phaser (mono version). Creates acoustic illusion of infinite move forwards or backwards.

AudioEffectPhaserStereo_F32
Stereo phaser with up to 12 stages.

AudioEffectMonoToStereo_F32
Mono to stereo converter.

AudioEffectPlateReverb_F32
Stereo plate reverb.

AudioEffectSpringReverb_F32
Stereo spring reverb emulation.

AudioEffectReverbSc_F32
8 delay line stereo FDN reverb, based on work by Sean Costello.
Optional PSRAM use for the delay buffers.

AudioEffectDelayStereo_F32
Versatile stereo ping-pong delay with modulation.

AudioEffectNoiseGateStereo_F32
Stereo noise gate with external SideChain input.

AudioEffectGuitarBooster_F32
Overdrive emulation using oversampled wave shaper, switchable octave up.

AudioEffectWahMono_F32
WAH pedal emulation including 8 models and versatile range handling.

AudioFilterToneStackStereo_F32
Stereo guitar tone stack (EQ) emulator.

AudioFilterEqualizer_HX_F32
Slightly modified original equalizer component, added bypass system.

AudioFilterIRCabsim_F32
Stereo guitar/bass cabinet emulator using low latency uniformly partitioned convolution.
10 cabinet impulse responses built in.

AudioFilterIRCabsim_SD_F32
Stereo guitar/bass cabinet emulator using low latency uniformly partitioned convolution.
Uses IR wav files (16/24bit 44.1kHz, up to 8K samples) stored on an SD card.

AudioFilterEqualizer3band_F32
Simple 3 band (Treble, Mid, Bass) equalizer.

AudioEffectCompressorStereo_F32
Stereo compressor with bypass.

AudioEffectGainStereo_F32
Stereo gain control (volume, panorama)

AudioSwitchSelectorStereo
Stereo/mono signal selector. Routes either L+R, L+L or R+R to the L+R outputs.

AudioEffectXfaderStereo_F32
Stereo crossfader for 2 input channels.

AudioFilterDCblockerStereo_F32 IIR based DC blocking filter.

I/O

AudioInputI2S2_F32
AudioOutputI2S2_F32
Input and output for the I2S2 interface, Teensy 4.1 only.

AudioInputI2S_ext_F32
AudioOutputI2S_ext_F32
Custom input and output for the I2S interface, including a few extra options (ie. channel swap)

Control

AudioControlAK4452_F32
AK4452 32bit DAC driver.

AudioControlAK5552_F32
AK5552 32bit ADC driver.

AudioControlAK4558_F32
AK4558 32bit codec driver.

AudioControlES8388_F32
ES8388 24bit codec driver.

AudioControlSGTL5000_F32 SGTL5000 24bit codec driver, configurable I2C bus.

AudioControlWM8731_F32
WM8731 24bit codec driver, configurable I2C bus.

Basic

Single header basic building blocks for various DSP components:

• allpass filter
• lfo
• delay line
• delay line based pitch shifter
• shelving lowpass and hipass filter
• lowpass filter
• stereo bypass system

Example projects

• https://github.com/hexeguitar/hexefx_audiolib_F32_examples
• https://github.com/hexeguitar/tgx4

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Copyright 07.2024 by Piotr Zapart
www.hexefx.com