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PaulStoffregen ec61d34dd5 Fix simultaneous input & output on I2S2 пре 4 година
docs Add issue template пре 6 година
examples WM8731 has flaky I2C communication workaround пре 5 година
extras Improve wav2sketch parsing of WAV files with junk sections пре 6 година
gui Add pinout documentation for I2S & TDM on Teensy 4.0 пре 5 година
utility Fix compiler warning пре 5 година
.gitignore Add documentation for new objects пре 8 година
.travis.yml Update Travis CI settings пре 8 година
Audio.h T4: Input TDM, Input TDM2 пре 5 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 Import all of Frank's T4 edits пре 5 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 Import all of Frank's T4 edits пре 5 година
analyze_rms.h Do not assume AudioStream.h includes Arduino.h пре 8 година
analyze_tonedetect.cpp Import all of Frank's T4 edits пре 5 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 Add comment about strange CS42448 issue and undocumented bit пре 5 година
control_cs42448.h Add AudioControlCS42448 пре 7 година
control_sgtl5000.cpp Import all of Frank's T4 edits пре 5 година
control_sgtl5000.h Add ability to control two SGTL5000 chips пре 8 година
control_tlv320aic3206.cpp AIC3206: rename channel macros, add comments пре 6 година
control_tlv320aic3206.h AIC3206: rename channel macros, add comments пре 6 година
control_wm8731.cpp WM8731 has flaky I2C communication workaround пре 5 година
control_wm8731.h Add WM8731 inputSelect() function and update example пре 6 година
data_spdif.c use common spdif bcmlookup table пре 5 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 Allow longer max delay effect on Teensy 4.0 пре 5 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 Import all of Frank's T4 edits пре 5 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 Import all of Frank's T4 edits пре 5 година
effect_midside.h Do not assume AudioStream.h includes Arduino.h пре 8 година
effect_multiply.cpp Import all of Frank's T4 edits пре 5 година
effect_multiply.h Do not assume AudioStream.h includes Arduino.h пре 8 година
effect_reverb.cpp memset: wrong size - element size is not 1 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 Add comment about noise shaping in biquad filter пре 5 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 Update links in comments, to Laurent de Soras's exp2 approximation info пре 5 година
filter_variable.h Do not assume AudioStream.h includes Arduino.h пре 8 година
input_adc.cpp Import all of Frank's T4 edits пре 5 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 Fix simultaneous I2S input & output on Teensy 4.0 пре 5 година
input_i2s.h Do not assume AudioStream.h includes Arduino.h пре 8 година
input_i2s2.cpp Fix simultaneous input & output on I2S2 пре 4 година
input_i2s2.h various (see below) пре 5 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_pdm.cpp Improve digital I/O on Teensy 3.6 with overclocking пре 5 година
input_pdm.h Add AudioInputPDM пре 6 година
input_tdm.cpp Fix TDM input on Teensy 4.0 пре 5 година
input_tdm.h Add AudioInputTDM пре 7 година
input_tdm2.cpp Fix TDM2 on Teensy 4.0 пре 5 година
input_tdm2.h T4: Input TDM, Input TDM2 пре 5 година
keywords.txt T4: Input TDM, Input TDM2 пре 5 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 Import all of Frank's T4 edits пре 5 година
memcpy_audio.h Add memcpy_tointerleaveQuad (thanks Frank) пре 8 година
mixer.cpp Import all of Frank's T4 edits пре 5 година
mixer.h Import all of Frank's T4 edits пре 5 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 Improve digital I/O on Teensy 3.6 with overclocking пре 5 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 Improve digital I/O on Teensy 3.6 with overclocking пре 5 година
output_i2s.h various (see below) пре 5 година
output_i2s2.cpp Fix simultaneous input & output on I2S2 пре 4 година
output_i2s2.h various (see below) пре 5 година
output_i2s_quad.cpp Improve digital I/O on Teensy 3.6 with overclocking пре 5 година
output_i2s_quad.h Do not assume AudioStream.h includes Arduino.h пре 8 година
output_mqs.cpp cache-support mqs пре 5 година
output_mqs.h add output_mqs пре 5 година
output_pt8211.cpp Improve digital I/O on Teensy 3.6 with overclocking пре 5 година
output_pt8211.h add output_pt8211 пре 5 година
output_pt8211_2.cpp add output_pt8211_2 пре 5 година
output_pt8211_2.h add output_pt8211_2 пре 5 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 Improve digital I/O on Teensy 3.6 with overclocking пре 5 година
output_spdif.h SPDIF пре 5 година
output_spdif2.cpp fix SPDIF2 for Teensy 3.x пре 5 година
output_spdif2.h SPDIF пре 5 година
output_spdif3.cpp Udpate пре 5 година
output_spdif3.h add SPDIF3 пре 5 година
output_tdm.cpp Improve digital I/O on Teensy 3.6 with overclocking пре 5 година
output_tdm.h Add AudioInputTDM пре 7 година
output_tdm2.cpp Fix TDM2 on Teensy 4.0 пре 5 година
output_tdm2.h various (see below) пре 5 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 Allow larger queues on Teensy 3.5, 3.6, 4.0 пре 5 година
play_queue.h Allow larger queues on Teensy 3.5, 3.6, 4.0 пре 5 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 Play WAV files with junk sections пре 6 година
play_sd_wav.h Bugfix for missing initialization of data pointers in AudioPlaySdWav пре 6 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 Allow larger queues on Teensy 3.5, 3.6, 4.0 пре 5 година
record_queue.h Allow larger queues on Teensy 3.5, 3.6, 4.0 пре 5 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 Import all of Frank's T4 edits пре 5 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 Import all of Frank's T4 edits пре 5 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 Import all of Frank's T4 edits пре 5 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 Update links in comments, to Laurent de Soras's exp2 approximation info пре 5 година
synth_waveform.h Add waveform phase modulation пре 6 година
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. пре 10 година
synth_wavetable.cpp Fix wavetable crash on instrument change after stop пре 6 година
synth_wavetable.h Avoid global Wavetable defines пре 6 година
synth_whitenoise.cpp Import all of Frank's T4 edits пре 5 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