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Florian Lorétan fbd1fe65ce #144: Add the reverse sawtooth and sample-and-hold waveforms. 9 年之前
examples fix bug with button1 on oscillator tutorial 9 年之前
extras/wav2sketch Move wav2sketch to extras folder, avoids problem with Arduino 1.6.6 9 年之前
gui Fixed: issue #92 - testing for input/output nodes - if none found, the export is not possible 9 年之前
utility Fix some Teensy-LC compiler errors 9 年之前
.travis.yml Skip unused source files 9 年之前
Audio.h Begin work on AudioEffectDelayExternal... 9 年之前
AudioControl.h Add AudioSynthWaveformSine 10 年之前
README.md Add CI build status 9 年之前
analyze_fft256.cpp Initial work on FFT256 for Teensy-LC (untested) 9 年之前
analyze_fft256.h Fix FFT read range (now inclusive) 9 年之前
analyze_fft1024.cpp Fix some Teensy-LC compiler errors 9 年之前
analyze_fft1024.h Fix FFT read range (now inclusive) 9 年之前
analyze_peak.cpp Change peak detect API to conform to library conventions 10 年之前
analyze_peak.h Change peak detect API to conform to library conventions 10 年之前
analyze_print.cpp Change AudioAnalyzePrint name API 10 年之前
analyze_print.h Change AudioAnalyzePrint name API 10 年之前
analyze_tonedetect.cpp Fix more Teensy-LC compiler errors 9 年之前
analyze_tonedetect.h Add MIT license 10 年之前
control_sgtl5000.cpp Simplify & document SGTL5000 control 10 年之前
control_sgtl5000.h Document sgtl5000 10 年之前
control_wm8731.cpp Update WM8731 example 10 年之前
control_wm8731.h Update WM8731 example 10 年之前
data_ulaw.c Add missing open source license headers 10 年之前
data_waveforms.c Remove old AudioSynthWaveform 10 年之前
data_windows.c Add other window types for 1024 point FFT 10 年之前
effect_bitcrusher.cpp Fix compiler warning 9 年之前
effect_bitcrusher.h Add Bitcrusher effect (thanks Pensive) 9 年之前
effect_chorus.cpp Change Chrous effect to one channel 10 年之前
effect_chorus.h remove unimplemented stop() 10 年之前
effect_delay.cpp Remove unused multiplier 10 年之前
effect_delay.h Add AudioEffectDelay 10 年之前
effect_delay_ext.cpp Add support for Frank's 6-chip Memoryboard4 (AUDIO_MEMORY_MEMORYBOARD) 9 年之前
effect_delay_ext.h Add support for Frank's 6-chip Memoryboard4 (AUDIO_MEMORY_MEMORYBOARD) 9 年之前
effect_envelope.cpp Add AudioEffectEnvelope 10 年之前
effect_envelope.h Add AudioEffectEnvelope 10 年之前
effect_fade.cpp Add MIT license 10 年之前
effect_fade.h Add MIT license 10 年之前
effect_flange.cpp Change Flange effect to one channel 10 年之前
effect_flange.h remove unimplemented stop() 10 年之前
effect_multiply.cpp Fix more Teensy-LC compiler errors 9 年之前
effect_multiply.h Add AudioEffectMultiply 10 年之前
filter_biquad.cpp Fix more Teensy-LC compiler errors 9 年之前
filter_biquad.h Improve Biquad filter 10 年之前
filter_fir.cpp Impove and document FIR filter 10 年之前
filter_fir.h Impove and document FIR filter 10 年之前
filter_fir.md Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file 10 年之前
filter_variable.cpp Fix more Teensy-LC compiler errors 9 年之前
filter_variable.h Finish AudioFilterStateVariable (signal control of corner frequency) 10 年之前
input_adc.cpp Fix some Teensy-LC compiler errors 9 年之前
input_adc.h Fix AudioInputAnalog 10 年之前
input_i2s.cpp Fix more Teensy-LC compiler errors 9 年之前
input_i2s.h Use DMAChannel begin() 10 年之前
keywords.txt #144: Add the reverse sawtooth and sample-and-hold waveforms. 9 年之前
library.json Handle all nested examples 9 年之前
library.properties Increase to version 1.03 9 年之前
mixer.cpp Fix some Teensy-LC compiler errors 9 年之前
mixer.h Fix some Teensy-LC compiler errors 9 年之前
multiplier.md Add a multiplier (by rheslip) 10 年之前
new_objects.md change format for new_objects files 11 年之前
output_dac.cpp Initial work on DAC for Teensy-LC (still incomplete) 9 年之前
output_dac.h Initial work on DAC for Teensy-LC (still incomplete) 9 年之前
output_i2s.cpp Fix some Teensy-LC compiler errors 9 年之前
output_i2s.h Use DMAChannel begin() 10 年之前
output_pwm.cpp Fix more Teensy-LC compiler errors 9 年之前
output_pwm.h Make input ADC and output DAC play nicely together 10 年之前
output_spdif.cpp Fix more Teensy-LC compiler errors 9 年之前
output_spdif.h Add keywords 9 年之前
play_memory.cpp Add status and position functions to AudioPlayMemory 10 年之前
play_memory.h Add status and position functions to AudioPlayMemory 10 年之前
play_queue.cpp do not forget - your own addition :-) 10 年之前
play_queue.h do not forget - your own addition :-) 10 年之前
play_sd_raw.cpp Do not disable all interrupts while opening RAW files 9 年之前
play_sd_raw.h Fix status functions in AudioPlaySdRaw 10 年之前
play_sd_wav.cpp Fix stereo WAV file startup & end (first and last 3 milliseconds) 9 年之前
play_sd_wav.h Fix audible click at end of Wav file playing 10 年之前
play_serialflash_raw.cpp remove leftover debug code from AudioPlaySerialflashRaw 9 年之前
play_serialflash_raw.h Add AudioPlaySerialflashRaw 9 年之前
record_queue.cpp Fix harmless compiler warnings in AudioRecordQueue 10 年之前
record_queue.h Finish AudioRecordQueue and Record example 10 年之前
spi_interrupt.cpp Add SPI interrupt registration layer 10 年之前
spi_interrupt.h register SPI interrupt when playing WAV & RAW files 10 年之前
synth_dc.cpp Add AudioSynthWaveformDc 10 年之前
synth_dc.h simplify overflow checks somewhat 10 年之前
synth_pinknoise.cpp Clean up harmless compiler warnings 10 年之前
synth_pinknoise.h Add AudioSynthNoisePink 10 年之前
synth_sine.cpp Fix more Teensy-LC compiler errors 9 年之前
synth_sine.h Add phase() to waveform objects 10 年之前
synth_tonesweep.cpp Fix up synth_tonesweep and the example to conform (more closely) to the naming conventions 10 年之前
synth_tonesweep.h Clean up harmless compiler warnings 10 年之前
synth_waveform.cpp #144: Add the reverse sawtooth and sample-and-hold waveforms. 9 年之前
synth_waveform.h #144: Add the reverse sawtooth and sample-and-hold waveforms. 9 年之前
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. 10 年之前
synth_whitenoise.cpp Fix more Teensy-LC compiler errors 9 年之前
synth_whitenoise.h Fix multiple white noise instances 10 年之前

README.md

Teensy Audio Library

Build Status

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/

Supported Hardware

Audio Adaptor Board for 16 bit stereo input and output.

Inputs Outputs

Teensy 3.1 12 bit DAC

DAC Output

Teensy 3.1 or 3.0 ADC Input

ADC Input

Teensy 3.1 or 3.0 PWM Output

PWM Output