Teensy Audio Library

16 bit, 44.1 kHz streaming audio library for Teensy 3.x, featuring:

Polyphonic Playback
Recording
Synthesis
Analysis
Effects
Filtering
Mixing
Multiple Simultaneous Inputs & Outputs
Flexible signal routing between library objects
Automatic Streaming while your Arduino sketch runs

Main Audio Library Page

http://www.pjrc.com/teensy/td_libs_Audio.html

Audio System Design Tool

Use this graphical tool to design your audio project. Easily browse the library's many features, connect objects, export to Arduino code, and quickly access details for the functions each object provides for you to control it from your Arduino sketch!

http://www.pjrc.com/teensy/gui/index.html

Supported Hardware

Audio Adaptor Board for 16 bit stereo input and output.

Dual Audio Adaptor Boards for quad channel 16 bit input and output.

Teensy 3.6, Teensy 3.5, Teensy 3.2, or Teensy 3.1 12 bit DAC Output (Mono)

Teensy 3.6, Teensy 3.5, Teensy 3.2, Teensy 3.1 or Teensy 3.0 ADC Input (Mono)

Teensy 3.6, Teensy 3.5, or Teensy 3.2 ADC Input (Stereo)

Teensy 3.6 or Teensy 3.5 12 bit DAC Output (Stereo)

Teensy 3.6, Teensy 3.5, Teensy 3.2, Teensy 3.1 or Teensy 3.0 PWM Output (Mono)

USB Audio: Bi-Directional Stereo Streaming to a PC

Installation

To install, use the Arduino Library Manager and search for 'Audio - Adafruit Fork' and install the library

Name		Name	Last commit message	Last commit date
Latest commit History 708 Commits
examples		examples
extras		extras
gui		gui
utility		utility
Audio.h		Audio.h
AudioControl.h		AudioControl.h
AudioStream.cpp		AudioStream.cpp
AudioStream.h		AudioStream.h
README.md		README.md
analyze_fft1024.cpp		analyze_fft1024.cpp
analyze_fft1024.h		analyze_fft1024.h
analyze_fft256.cpp		analyze_fft256.cpp
analyze_fft256.h		analyze_fft256.h
analyze_notefreq.cpp		analyze_notefreq.cpp
analyze_notefreq.h		analyze_notefreq.h
analyze_peak.cpp		analyze_peak.cpp
analyze_peak.h		analyze_peak.h
analyze_print.cpp		analyze_print.cpp
analyze_print.h		analyze_print.h
analyze_rms.cpp		analyze_rms.cpp
analyze_rms.h		analyze_rms.h
analyze_tonedetect.cpp		analyze_tonedetect.cpp
analyze_tonedetect.h		analyze_tonedetect.h
code-of-conduct.md		code-of-conduct.md
control_ak4558.cpp		control_ak4558.cpp
control_ak4558.h		control_ak4558.h
control_cs42448.cpp		control_cs42448.cpp
control_cs42448.h		control_cs42448.h
control_cs4272.cpp		control_cs4272.cpp
control_cs4272.h		control_cs4272.h
control_sgtl5000.cpp		control_sgtl5000.cpp
control_sgtl5000.h		control_sgtl5000.h
control_wm8731.cpp		control_wm8731.cpp
control_wm8731.h		control_wm8731.h
data_ulaw.c		data_ulaw.c
data_waveforms.c		data_waveforms.c
data_windows.c		data_windows.c
effect_bitcrusher.cpp		effect_bitcrusher.cpp
effect_bitcrusher.h		effect_bitcrusher.h
effect_chorus.cpp		effect_chorus.cpp
effect_chorus.h		effect_chorus.h
effect_delay.cpp		effect_delay.cpp
effect_delay.h		effect_delay.h
effect_delay_ext.cpp		effect_delay_ext.cpp
effect_delay_ext.h		effect_delay_ext.h
effect_envelope.cpp		effect_envelope.cpp
effect_envelope.h		effect_envelope.h
effect_fade.cpp		effect_fade.cpp
effect_fade.h		effect_fade.h
effect_flange.cpp		effect_flange.cpp
effect_flange.h		effect_flange.h
effect_midside.cpp		effect_midside.cpp
effect_midside.h		effect_midside.h
effect_multiply.cpp		effect_multiply.cpp
effect_multiply.h		effect_multiply.h
effect_reverb.cpp		effect_reverb.cpp
effect_reverb.h		effect_reverb.h
effect_waveshaper.cpp		effect_waveshaper.cpp
effect_waveshaper.h		effect_waveshaper.h
filter_biquad.cpp		filter_biquad.cpp
filter_biquad.h		filter_biquad.h
filter_fir.cpp		filter_fir.cpp
filter_fir.h		filter_fir.h
filter_fir.md		filter_fir.md
filter_variable.cpp		filter_variable.cpp
filter_variable.h		filter_variable.h
input_adcs.cpp		input_adcs.cpp
input_adcs.h		input_adcs.h
input_i2s.cpp		input_i2s.cpp
input_i2s.h		input_i2s.h
keywords.txt		keywords.txt
library.json		library.json
library.properties		library.properties
memcpy_audio.S		memcpy_audio.S
memcpy_audio.h		memcpy_audio.h
mixer.cpp		mixer.cpp
mixer.h		mixer.h
multiplier.md		multiplier.md
new_objects.md		new_objects.md
output_dacs.cpp		output_dacs.cpp
output_dacs.h		output_dacs.h
output_i2s.cpp		output_i2s.cpp
output_i2s.h		output_i2s.h
play_fs_wav.cpp		play_fs_wav.cpp
play_fs_wav.h		play_fs_wav.h
play_memory.cpp		play_memory.cpp
play_memory.h		play_memory.h
play_queue.cpp		play_queue.cpp
play_queue.h		play_queue.h
play_sd_raw.cpp		play_sd_raw.cpp
play_sd_raw.h		play_sd_raw.h
record_queue.cpp		record_queue.cpp
record_queue.h		record_queue.h
spi_interrupt.cpp		spi_interrupt.cpp
spi_interrupt.h		spi_interrupt.h
synth_dc.cpp		synth_dc.cpp
synth_dc.h		synth_dc.h
synth_karplusstrong.cpp		synth_karplusstrong.cpp
synth_karplusstrong.h		synth_karplusstrong.h
synth_pinknoise.cpp		synth_pinknoise.cpp

adafruit/Audio

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