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PaulStoffregen f191fa9ae7 Add issue template 6年前
docs Add issue template 6年前
examples Add ADAT 8 channel TOSLINK output by Ernstjan Freriks 7年前
extras Fix format error: header chunkSize can be 16, 18, or 40 7年前
gui Update AudioInputUSB documentation 6年前
utility Replace DC removal algorithm with IIR HPF, 2 Hz 7年前
.gitignore Add documentation for new objects 8年前
.travis.yml Update Travis CI settings 8年前
Audio.h Add ADAT 8 channel TOSLINK output by Ernstjan Freriks 7年前
AudioControl.h Add AudioSynthWaveformSine 10年前
README.md Update readme 7年前
analyze_fft256.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
analyze_fft256.h Fix problem with optimized loops like do {} while (!myFFT.available()); 7年前
analyze_fft1024.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
analyze_fft1024.h Do not assume AudioStream.h includes Arduino.h 8年前
analyze_notefreq.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
analyze_notefreq.h NoteFrequency fixes 8年前
analyze_peak.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
analyze_peak.h Do not assume AudioStream.h includes Arduino.h 8年前
analyze_print.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
analyze_print.h Do not assume AudioStream.h includes Arduino.h 8年前
analyze_rms.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
analyze_rms.h Do not assume AudioStream.h includes Arduino.h 8年前
analyze_tonedetect.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
analyze_tonedetect.h Do not assume AudioStream.h includes Arduino.h 8年前
control_ak4558.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
control_ak4558.h Fixed control functions, examples, GUI elements 9年前
control_cs4272.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
control_cs4272.h Add CS4272 control (thanks William Hollender) 8年前
control_cs42448.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
control_cs42448.h Add AudioControlCS42448 7年前
control_sgtl5000.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
control_sgtl5000.h Add ability to control two SGTL5000 chips 8年前
control_wm8731.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
control_wm8731.h AudioControlWM8731::inputLevel(float n) 9年前
data_ulaw.c Add missing open source license headers 10年前
data_waveforms.c Remove old AudioSynthWaveform 10年前
data_windows.c Add other window types for 1024 point FFT 10年前
effect_bitcrusher.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
effect_bitcrusher.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_chorus.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
effect_chorus.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_delay.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
effect_delay.h Fix delay effect on Teensy 3.5 & 3.6 7年前
effect_delay_ext.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
effect_delay_ext.h Add F-RAM 7年前
effect_envelope.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
effect_envelope.h Add AudioEffectEnvelope releaseNoteOn 7年前
effect_fade.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
effect_fade.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_flange.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
effect_flange.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_midside.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
effect_midside.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_multiply.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
effect_multiply.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_reverb.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
effect_reverb.h Add reverb effect, from Joao Rossi Filho 8年前
effect_waveshaper.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
effect_waveshaper.h Accept floats instead of int16_ts for waveshape in shape() 7年前
filter_biquad.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
filter_biquad.h Add shelving filter support for biquad 8年前
filter_fir.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
filter_fir.h Do not assume AudioStream.h includes Arduino.h 8年前
filter_fir.md Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file 10年前
filter_variable.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
filter_variable.h Do not assume AudioStream.h includes Arduino.h 8年前
input_adc.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
input_adc.h Fix indentation and move filtercoefficient to #define constant instead of int32_t variable 7年前
input_adcs.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
input_adcs.h Fix indentation and move filtercoefficient to #define constant instead of int32_t variable 7年前
input_i2s.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
input_i2s.h Do not assume AudioStream.h includes Arduino.h 8年前
input_i2s_quad.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
input_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8年前
input_tdm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
input_tdm.h Add AudioInputTDM 7年前
keywords.txt Add ADAT 8 channel TOSLINK output by Ernstjan Freriks 7年前
library.json Let PlatformIO automatically detect Arduino v1.0 library format 8年前
library.properties Edit version string, for Arduino 1.6.11 compatibility 8年前
memcpy_audio.S Allow blocksizes 8 and 16 8年前
memcpy_audio.h Add memcpy_tointerleaveQuad (thanks Frank) 8年前
mixer.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
mixer.h Do not assume AudioStream.h includes Arduino.h 8年前
multiplier.md Add a multiplier (by rheslip) 10年前
new_objects.md change format for new_objects files 11年前
output_adat.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
output_adat.h Add ADAT 8 channel TOSLINK output by Ernstjan Freriks 7年前
output_dac.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
output_dac.h Do not assume AudioStream.h includes Arduino.h 8年前
output_dacs.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
output_dacs.h Add AudioOutputAnalogStereo 8年前
output_i2s.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
output_i2s.h Do not assume AudioStream.h includes Arduino.h 8年前
output_i2s_quad.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
output_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8年前
output_pt8211.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
output_pt8211.h changed defines to be more specific 8年前
output_pwm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
output_pwm.h Do not assume AudioStream.h includes Arduino.h 8年前
output_spdif.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
output_spdif.h Do not assume AudioStream.h includes Arduino.h 8年前
output_tdm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
output_tdm.h Add AudioInputTDM 7年前
play_memory.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
play_memory.h Do not assume AudioStream.h includes Arduino.h 8年前
play_queue.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
play_queue.h Do not assume AudioStream.h includes Arduino.h 8年前
play_sd_raw.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
play_sd_raw.h Do not assume AudioStream.h includes Arduino.h 8年前
play_sd_wav.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
play_sd_wav.h Do not assume AudioStream.h includes Arduino.h 8年前
play_serialflash_raw.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
play_serialflash_raw.h Do not assume AudioStream.h includes Arduino.h 8年前
record_queue.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
record_queue.h Do not assume AudioStream.h includes Arduino.h 8年前
spi_interrupt.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
spi_interrupt.h Do not assume AudioStream.h includes Arduino.h 8年前
synth_dc.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
synth_dc.h Add AudioSynthWaveformDc read() 7年前
synth_karplusstrong.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
synth_karplusstrong.h Add Synthesis Guitar example 8年前
synth_pinknoise.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
synth_pinknoise.h Do not assume AudioStream.h includes Arduino.h 8年前
synth_pwm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
synth_pwm.h Add AudioSynthWaveformPWM 7年前
synth_simple_drum.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
synth_simple_drum.h Adding SimpleDrum synthesis object to audio library. 8年前
synth_sine.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
synth_sine.h Do not assume AudioStream.h includes Arduino.h 8年前
synth_tonesweep.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
synth_tonesweep.h ToneSweep improvements (thanks Pio) 7年前
synth_waveform.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
synth_waveform.h Do not assume AudioStream.h includes Arduino.h 8年前
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. 10年前
synth_whitenoise.cpp Include Arduino.h first in all cpp files, for precompiled header speedup 6年前
synth_whitenoise.h Do not assume AudioStream.h includes Arduino.h 8年前

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