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Frank 2e2b1bd292
Update input_i2s2.cpp
4 anos atrás
docs Add issue template 6 anos atrás
examples Add 8 channel input example 4 anos atrás
extras Improve wav2sketch parsing of WAV files with junk sections 6 anos atrás
gui Granular documentation fix 4 anos atrás
utility PROGMEM->FLASHMEM 4 anos atrás
.gitignore Add documentation for new objects 8 anos atrás
.travis.yml Update Travis CI settings 8 anos atrás
Audio.h spdif-input 4 anos atrás
AudioControl.h Add AudioSynthWaveformSine 10 anos atrás
README.md Update readme 7 anos atrás
analyze_fft256.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
analyze_fft256.h Fix problem with optimized loops like do {} while (!myFFT.available()); 7 anos atrás
analyze_fft1024.cpp Import all of Frank's T4 edits 5 anos atrás
analyze_fft1024.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
analyze_notefreq.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
analyze_notefreq.h NoteFrequency fixes 8 anos atrás
analyze_peak.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
analyze_peak.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
analyze_print.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
analyze_print.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
analyze_rms.cpp Import all of Frank's T4 edits 5 anos atrás
analyze_rms.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
analyze_tonedetect.cpp Import all of Frank's T4 edits 5 anos atrás
analyze_tonedetect.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
control_ak4558.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
control_ak4558.h Fixed control functions, examples, GUI elements 9 anos atrás
control_cs4272.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
control_cs4272.h Add CS4272 control (thanks William Hollender) 8 anos atrás
control_cs42448.cpp Add comment about strange CS42448 issue and undocumented bit 5 anos atrás
control_cs42448.h Add AudioControlCS42448 7 anos atrás
control_sgtl5000.cpp Fix CHIP_I2S_CTRL on Init (SCLK=32*fs -> 64*fs) 4 anos atrás
control_sgtl5000.h Add ability to control two SGTL5000 chips 8 anos atrás
control_tlv320aic3206.cpp AIC3206: rename channel macros, add comments 6 anos atrás
control_tlv320aic3206.h AIC3206: rename channel macros, add comments 6 anos atrás
control_wm8731.cpp WM8731 has flaky I2C communication workaround 5 anos atrás
control_wm8731.h Add WM8731 inputSelect() function and update example 6 anos atrás
data_spdif.c use common spdif bcmlookup table 5 anos atrás
data_ulaw.c Add missing open source license headers 10 anos atrás
data_waveforms.c Remove old AudioSynthWaveform 10 anos atrás
data_windows.c Add other window types for 1024 point FFT 10 anos atrás
effect_bitcrusher.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
effect_bitcrusher.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_chorus.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
effect_chorus.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_combine.cpp Add AudioEffectDigitalCombine (from Bleep Labs) 6 anos atrás
effect_combine.h Move combine effect constants to class enum, not global scope 6 anos atrás
effect_delay.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
effect_delay.h Allow longer max delay effect on Teensy 4.0 5 anos atrás
effect_delay_ext.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
effect_delay_ext.h Add F-RAM 7 anos atrás
effect_envelope.cpp Add isActive() and isSustain() to envelope 6 anos atrás
effect_envelope.h Add isActive() and isSustain() to envelope 6 anos atrás
effect_fade.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
effect_fade.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_flange.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
effect_flange.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_freeverb.cpp Import all of Frank's T4 edits 5 anos atrás
effect_freeverb.h Add AudioEffectFreeverbStereo 6 anos atrás
effect_granular.cpp Increase granular speed range, change public function to setSpeed() 6 anos atrás
effect_granular.h Increase granular speed range, change public function to setSpeed() 6 anos atrás
effect_midside.cpp Import all of Frank's T4 edits 5 anos atrás
effect_midside.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_multiply.cpp Import all of Frank's T4 edits 5 anos atrás
effect_multiply.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_reverb.cpp memset: wrong size - element size is not 1 6 anos atrás
effect_reverb.h Add reverb effect, from Joao Rossi Filho 8 anos atrás
effect_waveshaper.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
effect_waveshaper.h Accept floats instead of int16_ts for waveshape in shape() 7 anos atrás
filter_biquad.cpp Add comment about noise shaping in biquad filter 5 anos atrás
filter_biquad.h Add shelving filter support for biquad 8 anos atrás
filter_fir.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
filter_fir.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
filter_fir.md Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file 10 anos atrás
filter_variable.cpp Update links in comments, to Laurent de Soras's exp2 approximation info 5 anos atrás
filter_variable.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
input_adc.cpp Import all of Frank's T4 edits 5 anos atrás
input_adc.h Fix indentation and move filtercoefficient to #define constant instead of int32_t variable 7 anos atrás
input_adcs.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
input_adcs.h Fix indentation and move filtercoefficient to #define constant instead of int32_t variable 7 anos atrás
input_i2s.cpp fix warning 4 anos atrás
input_i2s.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
input_i2s2.cpp Update input_i2s2.cpp 4 anos atrás
input_i2s2.h various (see below) 5 anos atrás
input_i2s_hex.cpp add DMAMEM, fix warnings 4 anos atrás
input_i2s_hex.h 6 channel I2S input for Teensy 4.0 4 anos atrás
input_i2s_oct.cpp 8 channel I2S input for Teensy 4.0 4 anos atrás
input_i2s_oct.h 8 channel I2S input for Teensy 4.0 4 anos atrás
input_i2s_quad.cpp add DMAMEM, fix warnings 4 anos atrás
input_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
input_pdm.cpp Improve digital I/O on Teensy 3.6 with overclocking 5 anos atrás
input_pdm.h Add AudioInputPDM 6 anos atrás
input_spdif3.cpp spdif-input 4 anos atrás
input_spdif3.h spdif-input 4 anos atrás
input_tdm.cpp Fix TDM input on Teensy 4.0 5 anos atrás
input_tdm.h Add AudioInputTDM 7 anos atrás
input_tdm2.cpp Fix TDM2 on Teensy 4.0 5 anos atrás
input_tdm2.h T4: Input TDM, Input TDM2 5 anos atrás
keywords.txt spdif-input 4 anos atrás
library.json Let PlatformIO automatically detect Arduino v1.0 library format 8 anos atrás
library.properties Edit version string, for Arduino 1.6.11 compatibility 8 anos atrás
memcpy_audio.S Import all of Frank's T4 edits 5 anos atrás
memcpy_audio.h Add memcpy_tointerleaveQuad (thanks Frank) 8 anos atrás
mixer.cpp Import all of Frank's T4 edits 5 anos atrás
mixer.h Import all of Frank's T4 edits 5 anos atrás
multiplier.md Add a multiplier (by rheslip) 10 anos atrás
new_objects.md change format for new_objects files 11 anos atrás
output_adat.cpp Improve digital I/O on Teensy 3.6 with overclocking 5 anos atrás
output_adat.h Add ADAT 8 channel TOSLINK output by Ernstjan Freriks 7 anos atrás
output_dac.cpp Implement Teensy-LC DAC audio playback 4 anos atrás
output_dac.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
output_dacs.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
output_dacs.h Add AudioOutputAnalogStereo 8 anos atrás
output_i2s.cpp fix slave i2s output on teensy 4 4 anos atrás
output_i2s.h 8 channel I2S output for Teensy 4.0 4 anos atrás
output_i2s2.cpp Fix simultaneous input & output on I2S2 4 anos atrás
output_i2s2.h various (see below) 5 anos atrás
output_i2s_hex.cpp 6 channel I2S output for Teensy 4.0 4 anos atrás
output_i2s_hex.h 6 channel I2S output for Teensy 4.0 4 anos atrás
output_i2s_oct.cpp 8 channel I2S output for Teensy 4.0 4 anos atrás
output_i2s_oct.h 8 channel I2S output for Teensy 4.0 4 anos atrás
output_i2s_quad.cpp Quad I2S output for Teensy 4.0 4 anos atrás
output_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
output_mqs.cpp cache-support mqs 5 anos atrás
output_mqs.h add output_mqs 5 anos atrás
output_pt8211.cpp Improve digital I/O on Teensy 3.6 with overclocking 5 anos atrás
output_pt8211.h add output_pt8211 5 anos atrás
output_pt8211_2.cpp PROGMEM->FLASHMEM 4 anos atrás
output_pt8211_2.h add output_pt8211_2 5 anos atrás
output_pwm.cpp fix compilation error 4 anos atrás
output_pwm.h Add Teensy 4 PWM output 4 anos atrás
output_spdif.cpp PROGMEM->FLASHMEM 4 anos atrás
output_spdif.h SPDIF 5 anos atrás
output_spdif2.cpp PROGMEM->FLASHMEM 4 anos atrás
output_spdif2.h SPDIF 5 anos atrás
output_spdif3.cpp spdif-input 4 anos atrás
output_spdif3.h spdif-input 4 anos atrás
output_tdm.cpp Improve digital I/O on Teensy 3.6 with overclocking 5 anos atrás
output_tdm.h Add AudioInputTDM 7 anos atrás
output_tdm2.cpp Fix TDM2 on Teensy 4.0 5 anos atrás
output_tdm2.h various (see below) 5 anos atrás
play_memory.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
play_memory.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
play_queue.cpp Allow larger queues on Teensy 3.5, 3.6, 4.0 4 anos atrás
play_queue.h Allow larger queues on Teensy 3.5, 3.6, 4.0 4 anos atrás
play_sd_raw.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
play_sd_raw.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
play_sd_wav.cpp Play WAV files with junk sections 6 anos atrás
play_sd_wav.h Bugfix for missing initialization of data pointers in AudioPlaySdWav 6 anos atrás
play_serialflash_raw.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
play_serialflash_raw.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
record_queue.cpp Allow larger queues on Teensy 3.5, 3.6, 4.0 4 anos atrás
record_queue.h Allow larger queues on Teensy 3.5, 3.6, 4.0 4 anos atrás
spi_interrupt.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
spi_interrupt.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
synth_dc.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
synth_dc.h Import all of Frank's T4 edits 5 anos atrás
synth_karplusstrong.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
synth_karplusstrong.h Add Synthesis Guitar example 8 anos atrás
synth_pinknoise.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
synth_pinknoise.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
synth_pwm.cpp Import all of Frank's T4 edits 5 anos atrás
synth_pwm.h Add AudioSynthWaveformPWM 7 anos atrás
synth_simple_drum.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
synth_simple_drum.h Adding SimpleDrum synthesis object to audio library. 8 anos atrás
synth_sine.cpp Import all of Frank's T4 edits 5 anos atrás
synth_sine.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
synth_tonesweep.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 anos atrás
synth_tonesweep.h ToneSweep improvements (thanks Pio) 7 anos atrás
synth_waveform.cpp Update links in comments, to Laurent de Soras's exp2 approximation info 5 anos atrás
synth_waveform.h Add waveform phase modulation 6 anos atrás
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. 10 anos atrás
synth_wavetable.cpp Fix wavetable crash on instrument change after stop 6 anos atrás
synth_wavetable.h Avoid global Wavetable defines 6 anos atrás
synth_whitenoise.cpp Import all of Frank's T4 edits 5 anos atrás
synth_whitenoise.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás

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