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PaulStoffregen bebf5dce98 Add simple AudioAmplifier 6 лет назад
docs Add issue template 6 лет назад
examples Add AudioSynthWaveformModulated documentation 6 лет назад
extras Fix format error: header chunkSize can be 16, 18, or 40 7 лет назад
gui Add simple AudioAmplifier 6 лет назад
utility Replace DC removal algorithm with IIR HPF, 2 Hz 7 лет назад
.gitignore Add documentation for new objects 8 лет назад
.travis.yml Update Travis CI settings 8 лет назад
Audio.h Add AudioInputPDM 6 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
analyze_rms.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
analyze_tonedetect.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
control_sgtl5000.h Add ability to control two SGTL5000 chips 8 лет назад
control_wm8731.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
control_wm8731.h AudioControlWM8731::inputLevel(float n) 9 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 Add AudioEffectFreeverbStereo 6 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
effect_midside.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_multiply.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
effect_multiply.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_reverb.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
filter_variable.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
input_adc.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
input_i2s.h Do not assume AudioStream.h includes Arduino.h 8 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 Add AudioInputPDM 6 лет назад
input_pdm.h Add AudioInputPDM 6 лет назад
input_tdm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
input_tdm.h Add AudioInputTDM 7 лет назад
keywords.txt Add simple AudioAmplifier 6 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 Allow blocksizes 8 and 16 8 лет назад
memcpy_audio.h Add memcpy_tointerleaveQuad (thanks Frank) 8 лет назад
mixer.cpp Add simple AudioAmplifier 6 лет назад
mixer.h Add simple AudioAmplifier 6 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
output_i2s.h Do not assume AudioStream.h includes Arduino.h 8 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_pt8211.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
output_pt8211.h changed defines to be more specific 8 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
output_spdif.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
output_tdm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
output_tdm.h Add AudioInputTDM 7 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 лет назад
play_sd_wav.h Do not assume AudioStream.h includes Arduino.h 8 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 Add AudioSynthWaveformDc read() 7 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 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 Include Arduino.h first in all cpp files, for precompiled header speedup 6 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 Add waveform phase modulation 6 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_whitenoise.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6 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