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PaulStoffregen fc71e415c0 Fix compiler warning 5 лет назад
docs Add issue template 6 лет назад
examples WM8731 has flaky I2C communication workaround 5 лет назад
extras Improve wav2sketch parsing of WAV files with junk sections 6 лет назад
gui Start list of verified compatible I2S chips 5 лет назад
utility Fix compiler warning 5 лет назад
.gitignore Add documentation for new objects 8 лет назад
.travis.yml Update Travis CI settings 8 лет назад
Audio.h T4: Input TDM, Input TDM2 5 лет назад
AudioControl.h Add AudioSynthWaveformSine 10 лет назад
README.md Update readme 7 лет назад
analyze_fft256.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
analyze_fft256.h Fix problem with optimized loops like do {} while (!myFFT.available()); 7 лет назад
analyze_fft1024.cpp Import all of Frank's T4 edits 5 лет назад
analyze_fft1024.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
analyze_notefreq.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
analyze_notefreq.h NoteFrequency fixes 8 лет назад
analyze_peak.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
analyze_peak.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
analyze_print.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
analyze_print.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
analyze_rms.cpp Import all of Frank's T4 edits 5 лет назад
analyze_rms.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
analyze_tonedetect.cpp Import all of Frank's T4 edits 5 лет назад
analyze_tonedetect.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
control_ak4558.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
control_ak4558.h Fixed control functions, examples, GUI elements 9 лет назад
control_cs4272.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
control_cs4272.h Add CS4272 control (thanks William Hollender) 8 лет назад
control_cs42448.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
control_cs42448.h Add AudioControlCS42448 7 лет назад
control_sgtl5000.cpp Import all of Frank's T4 edits 5 лет назад
control_sgtl5000.h Add ability to control two SGTL5000 chips 8 лет назад
control_tlv320aic3206.cpp AIC3206: rename channel macros, add comments 6 лет назад
control_tlv320aic3206.h AIC3206: rename channel macros, add comments 6 лет назад
control_wm8731.cpp WM8731 has flaky I2C communication workaround 5 лет назад
control_wm8731.h Add WM8731 inputSelect() function and update example 6 лет назад
data_spdif.c use common spdif bcmlookup table 5 лет назад
data_ulaw.c Add missing open source license headers 10 лет назад
data_waveforms.c Remove old AudioSynthWaveform 10 лет назад
data_windows.c Add other window types for 1024 point FFT 10 лет назад
effect_bitcrusher.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
effect_bitcrusher.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_chorus.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
effect_chorus.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_combine.cpp Add AudioEffectDigitalCombine (from Bleep Labs) 6 лет назад
effect_combine.h Move combine effect constants to class enum, not global scope 6 лет назад
effect_delay.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
effect_delay.h Fix delay effect on Teensy 3.5 & 3.6 7 лет назад
effect_delay_ext.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
effect_delay_ext.h Add F-RAM 7 лет назад
effect_envelope.cpp Add isActive() and isSustain() to envelope 6 лет назад
effect_envelope.h Add isActive() and isSustain() to envelope 6 лет назад
effect_fade.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
effect_fade.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_flange.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
effect_flange.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_freeverb.cpp Import all of Frank's T4 edits 5 лет назад
effect_freeverb.h Add AudioEffectFreeverbStereo 6 лет назад
effect_granular.cpp Increase granular speed range, change public function to setSpeed() 6 лет назад
effect_granular.h Increase granular speed range, change public function to setSpeed() 6 лет назад
effect_midside.cpp Import all of Frank's T4 edits 5 лет назад
effect_midside.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_multiply.cpp Import all of Frank's T4 edits 5 лет назад
effect_multiply.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_reverb.cpp memset: wrong size - element size is not 1 6 лет назад
effect_reverb.h Add reverb effect, from Joao Rossi Filho 8 лет назад
effect_waveshaper.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
effect_waveshaper.h Accept floats instead of int16_ts for waveshape in shape() 7 лет назад
filter_biquad.cpp Add comment about noise shaping in biquad filter 5 лет назад
filter_biquad.h Add shelving filter support for biquad 8 лет назад
filter_fir.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
filter_fir.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
filter_fir.md Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file 10 лет назад
filter_variable.cpp Update links in comments, to Laurent de Soras's exp2 approximation info 5 лет назад
filter_variable.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
input_adc.cpp Import all of Frank's T4 edits 5 лет назад
input_adc.h Fix indentation and move filtercoefficient to #define constant instead of int32_t variable 7 лет назад
input_adcs.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
input_adcs.h Fix indentation and move filtercoefficient to #define constant instead of int32_t variable 7 лет назад
input_i2s.cpp Fix I2S input pin on IMXRT1062 5 лет назад
input_i2s.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
input_i2s2.cpp various (see below) 5 лет назад
input_i2s2.h various (see below) 5 лет назад
input_i2s_quad.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
input_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
input_pdm.cpp Import all of Frank's T4 edits 5 лет назад
input_pdm.h Add AudioInputPDM 6 лет назад
input_tdm.cpp T4: Input TDM, Input TDM2 5 лет назад
input_tdm.h Add AudioInputTDM 7 лет назад
input_tdm2.cpp T4: Input TDM, Input TDM2 5 лет назад
input_tdm2.h T4: Input TDM, Input TDM2 5 лет назад
keywords.txt T4: Input TDM, Input TDM2 5 лет назад
library.json Let PlatformIO automatically detect Arduino v1.0 library format 8 лет назад
library.properties Edit version string, for Arduino 1.6.11 compatibility 8 лет назад
memcpy_audio.S Import all of Frank's T4 edits 5 лет назад
memcpy_audio.h Add memcpy_tointerleaveQuad (thanks Frank) 8 лет назад
mixer.cpp Import all of Frank's T4 edits 5 лет назад
mixer.h Import all of Frank's T4 edits 5 лет назад
multiplier.md Add a multiplier (by rheslip) 10 лет назад
new_objects.md change format for new_objects files 11 лет назад
output_adat.cpp Import all of Frank's T4 edits 5 лет назад
output_adat.h Add ADAT 8 channel TOSLINK output by Ernstjan Freriks 7 лет назад
output_dac.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
output_dac.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
output_dacs.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
output_dacs.h Add AudioOutputAnalogStereo 8 лет назад
output_i2s.cpp Fix I2S output 5 лет назад
output_i2s.h various (see below) 5 лет назад
output_i2s2.cpp Elimitate unused var 'dc' compile warning 5 лет назад
output_i2s2.h various (see below) 5 лет назад
output_i2s_quad.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
output_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
output_mqs.cpp cache-support mqs 5 лет назад
output_mqs.h add output_mqs 5 лет назад
output_pt8211.cpp fix __IMXRT1062__ 5 лет назад
output_pt8211.h add output_pt8211 5 лет назад
output_pt8211_2.cpp add output_pt8211_2 5 лет назад
output_pt8211_2.h add output_pt8211_2 5 лет назад
output_pwm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
output_pwm.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
output_spdif.cpp Patch for T4B2 (Pin6 -> Pin7) 5 лет назад
output_spdif.h SPDIF 5 лет назад
output_spdif2.cpp fix SPDIF2 for Teensy 3.x 5 лет назад
output_spdif2.h SPDIF 5 лет назад
output_spdif3.cpp Udpate 5 лет назад
output_spdif3.h add SPDIF3 5 лет назад
output_tdm.cpp #if define and assign of conditional var to stop compile warning 5 лет назад
output_tdm.h Add AudioInputTDM 7 лет назад
output_tdm2.cpp T4: Input TDM, Input TDM2 5 лет назад
output_tdm2.h various (see below) 5 лет назад
play_memory.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
play_memory.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
play_queue.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
play_queue.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
play_sd_raw.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
play_sd_raw.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
play_sd_wav.cpp Play WAV files with junk sections 6 лет назад
play_sd_wav.h Bugfix for missing initialization of data pointers in AudioPlaySdWav 6 лет назад
play_serialflash_raw.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
play_serialflash_raw.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
record_queue.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
record_queue.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
spi_interrupt.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
spi_interrupt.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
synth_dc.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
synth_dc.h Import all of Frank's T4 edits 5 лет назад
synth_karplusstrong.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
synth_karplusstrong.h Add Synthesis Guitar example 8 лет назад
synth_pinknoise.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
synth_pinknoise.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
synth_pwm.cpp Import all of Frank's T4 edits 5 лет назад
synth_pwm.h Add AudioSynthWaveformPWM 7 лет назад
synth_simple_drum.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
synth_simple_drum.h Adding SimpleDrum synthesis object to audio library. 8 лет назад
synth_sine.cpp Import all of Frank's T4 edits 5 лет назад
synth_sine.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
synth_tonesweep.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
synth_tonesweep.h ToneSweep improvements (thanks Pio) 7 лет назад
synth_waveform.cpp Update links in comments, to Laurent de Soras's exp2 approximation info 5 лет назад
synth_waveform.h Add waveform phase modulation 6 лет назад
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. 10 лет назад
synth_wavetable.cpp Fix wavetable crash on instrument change after stop 6 лет назад
synth_wavetable.h Avoid global Wavetable defines 6 лет назад
synth_whitenoise.cpp Import all of Frank's T4 edits 5 лет назад
synth_whitenoise.h Do not assume AudioStream.h includes Arduino.h 8 лет назад

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