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PaulStoffregen eef399ef8d Fix numerical overflow at top of triangle waveform пре 6 година
docs Add issue template пре 6 година
examples Add Waveforms example пре 6 година
extras Fix format error: header chunkSize can be 16, 18, or 40 пре 7 година
gui Update AudioSynthWaveform documentation пре 6 година
utility Replace DC removal algorithm with IIR HPF, 2 Hz пре 7 година
.gitignore Add documentation for new objects пре 8 година
.travis.yml Update Travis CI settings пре 8 година
Audio.h Add AudioEffectDigitalCombine (from Bleep Labs) пре 6 година
AudioControl.h Add AudioSynthWaveformSine пре 10 година
README.md Update readme пре 7 година
analyze_fft256.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
analyze_fft256.h Fix problem with optimized loops like do {} while (!myFFT.available()); пре 7 година
analyze_fft1024.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
analyze_fft1024.h Do not assume AudioStream.h includes Arduino.h пре 8 година
analyze_notefreq.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
analyze_notefreq.h NoteFrequency fixes пре 8 година
analyze_peak.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
analyze_peak.h Do not assume AudioStream.h includes Arduino.h пре 8 година
analyze_print.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
analyze_print.h Do not assume AudioStream.h includes Arduino.h пре 8 година
analyze_rms.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
analyze_rms.h Do not assume AudioStream.h includes Arduino.h пре 8 година
analyze_tonedetect.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
analyze_tonedetect.h Do not assume AudioStream.h includes Arduino.h пре 8 година
control_ak4558.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
control_ak4558.h Fixed control functions, examples, GUI elements пре 9 година
control_cs4272.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
control_cs4272.h Add CS4272 control (thanks William Hollender) пре 8 година
control_cs42448.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
control_cs42448.h Add AudioControlCS42448 пре 7 година
control_sgtl5000.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
control_sgtl5000.h Add ability to control two SGTL5000 chips пре 8 година
control_wm8731.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
control_wm8731.h AudioControlWM8731::inputLevel(float n) пре 9 година
data_ulaw.c Add missing open source license headers пре 10 година
data_waveforms.c Remove old AudioSynthWaveform пре 10 година
data_windows.c Add other window types for 1024 point FFT пре 10 година
effect_bitcrusher.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
effect_bitcrusher.h Do not assume AudioStream.h includes Arduino.h пре 8 година
effect_chorus.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
effect_chorus.h Do not assume AudioStream.h includes Arduino.h пре 8 година
effect_combine.cpp Add AudioEffectDigitalCombine (from Bleep Labs) пре 6 година
effect_combine.h Move combine effect constants to class enum, not global scope пре 6 година
effect_delay.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
effect_delay.h Fix delay effect on Teensy 3.5 & 3.6 пре 7 година
effect_delay_ext.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
effect_delay_ext.h Add F-RAM пре 7 година
effect_envelope.cpp Add isActive() and isSustain() to envelope пре 6 година
effect_envelope.h Add isActive() and isSustain() to envelope пре 6 година
effect_fade.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
effect_fade.h Do not assume AudioStream.h includes Arduino.h пре 8 година
effect_flange.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
effect_flange.h Do not assume AudioStream.h includes Arduino.h пре 8 година
effect_freeverb.cpp Add AudioEffectFreeverbStereo пре 6 година
effect_freeverb.h Add AudioEffectFreeverbStereo пре 6 година
effect_granular.cpp Increase granular speed range, change public function to setSpeed() пре 6 година
effect_granular.h Increase granular speed range, change public function to setSpeed() пре 6 година
effect_midside.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
effect_midside.h Do not assume AudioStream.h includes Arduino.h пре 8 година
effect_multiply.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
effect_multiply.h Do not assume AudioStream.h includes Arduino.h пре 8 година
effect_reverb.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
effect_reverb.h Add reverb effect, from Joao Rossi Filho пре 8 година
effect_waveshaper.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
effect_waveshaper.h Accept floats instead of int16_ts for waveshape in shape() пре 7 година
filter_biquad.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
filter_biquad.h Add shelving filter support for biquad пре 8 година
filter_fir.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
filter_fir.h Do not assume AudioStream.h includes Arduino.h пре 8 година
filter_fir.md Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file пре 10 година
filter_variable.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
filter_variable.h Do not assume AudioStream.h includes Arduino.h пре 8 година
input_adc.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
input_adc.h Fix indentation and move filtercoefficient to #define constant instead of int32_t variable пре 7 година
input_adcs.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
input_adcs.h Fix indentation and move filtercoefficient to #define constant instead of int32_t variable пре 7 година
input_i2s.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
input_i2s.h Do not assume AudioStream.h includes Arduino.h пре 8 година
input_i2s_quad.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
input_i2s_quad.h Do not assume AudioStream.h includes Arduino.h пре 8 година
input_tdm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
input_tdm.h Add AudioInputTDM пре 7 година
keywords.txt Add AudioEffectDigitalCombine (from Bleep Labs) пре 6 година
library.json Let PlatformIO automatically detect Arduino v1.0 library format пре 8 година
library.properties Edit version string, for Arduino 1.6.11 compatibility пре 8 година
memcpy_audio.S Allow blocksizes 8 and 16 пре 8 година
memcpy_audio.h Add memcpy_tointerleaveQuad (thanks Frank) пре 8 година
mixer.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
mixer.h Do not assume AudioStream.h includes Arduino.h пре 8 година
multiplier.md Add a multiplier (by rheslip) пре 10 година
new_objects.md change format for new_objects files пре 11 година
output_adat.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
output_adat.h Add ADAT 8 channel TOSLINK output by Ernstjan Freriks пре 7 година
output_dac.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
output_dac.h Do not assume AudioStream.h includes Arduino.h пре 8 година
output_dacs.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
output_dacs.h Add AudioOutputAnalogStereo пре 8 година
output_i2s.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
output_i2s.h Do not assume AudioStream.h includes Arduino.h пре 8 година
output_i2s_quad.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
output_i2s_quad.h Do not assume AudioStream.h includes Arduino.h пре 8 година
output_pt8211.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
output_pt8211.h changed defines to be more specific пре 8 година
output_pwm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
output_pwm.h Do not assume AudioStream.h includes Arduino.h пре 8 година
output_spdif.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
output_spdif.h Do not assume AudioStream.h includes Arduino.h пре 8 година
output_tdm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
output_tdm.h Add AudioInputTDM пре 7 година
play_memory.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
play_memory.h Do not assume AudioStream.h includes Arduino.h пре 8 година
play_queue.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
play_queue.h Do not assume AudioStream.h includes Arduino.h пре 8 година
play_sd_raw.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
play_sd_raw.h Do not assume AudioStream.h includes Arduino.h пре 8 година
play_sd_wav.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
play_sd_wav.h Do not assume AudioStream.h includes Arduino.h пре 8 година
play_serialflash_raw.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
play_serialflash_raw.h Do not assume AudioStream.h includes Arduino.h пре 8 година
record_queue.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
record_queue.h Do not assume AudioStream.h includes Arduino.h пре 8 година
spi_interrupt.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
spi_interrupt.h Do not assume AudioStream.h includes Arduino.h пре 8 година
synth_dc.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
synth_dc.h Add AudioSynthWaveformDc read() пре 7 година
synth_karplusstrong.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
synth_karplusstrong.h Add Synthesis Guitar example пре 8 година
synth_pinknoise.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
synth_pinknoise.h Do not assume AudioStream.h includes Arduino.h пре 8 година
synth_pwm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
synth_pwm.h Add AudioSynthWaveformPWM пре 7 година
synth_simple_drum.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
synth_simple_drum.h Adding SimpleDrum synthesis object to audio library. пре 8 година
synth_sine.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
synth_sine.h Do not assume AudioStream.h includes Arduino.h пре 8 година
synth_tonesweep.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
synth_tonesweep.h ToneSweep improvements (thanks Pio) пре 7 година
synth_waveform.cpp Fix numerical overflow at top of triangle waveform пре 6 година
synth_waveform.h Fix AudioSynthWaveform (had many bugs, ugh....) пре 6 година
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. пре 10 година
synth_whitenoise.cpp Include Arduino.h first in all cpp files, for precompiled header speedup пре 6 година
synth_whitenoise.h Do not assume AudioStream.h includes Arduino.h пре 8 година

README.md

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.

Inputs Outputs

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)

DAC Output

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

ADC Input

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

ADC Input

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

DAC Output

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

PWM Output

USB Audio: Bi-Directional Stereo Streaming to a PC

Inputs Outputs