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PaulStoffregen 28c676b4bb Edit version string, for Arduino 1.6.11 compatibility 8 лет назад
examples Rename NoteFrequency samples 8 лет назад
extras Len noticed a bug in binary velocity output 8 лет назад
gui Add PT8211 documentation and example 8 лет назад
utility Support more clock speeds 8 лет назад
.travis.yml Update Travis CI settings 8 лет назад
Audio.h Add simple drum header and keywords 8 лет назад
AudioControl.h Add AudioSynthWaveformSine 10 лет назад
README.md remove Travis CI status from readme (it's too unreliable) 8 лет назад
analyze_fft256.cpp Initial work on FFT256 for Teensy-LC (untested) 9 лет назад
analyze_fft256.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
analyze_fft1024.cpp Fix some Teensy-LC compiler errors 9 лет назад
analyze_fft1024.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
analyze_notefreq.cpp Remove leftover debug code 8 лет назад
analyze_notefreq.h NoteFrequency fixes 8 лет назад
analyze_peak.cpp Add TODO for analyze peak optimization 8 лет назад
analyze_peak.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
analyze_print.cpp Change AudioAnalyzePrint name API 10 лет назад
analyze_print.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
analyze_rms.cpp Don't compile M4 code on LC (but LC still not working) 8 лет назад
analyze_rms.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
analyze_tonedetect.cpp Fix more Teensy-LC compiler errors 9 лет назад
analyze_tonedetect.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
control_ak4558.cpp Fixed control functions, examples, GUI elements 9 лет назад
control_ak4558.h Fixed control functions, examples, GUI elements 9 лет назад
control_cs4272.cpp Add CS4272 control (thanks William Hollender) 8 лет назад
control_cs4272.h Add CS4272 control (thanks William Hollender) 8 лет назад
control_sgtl5000.cpp Add ability to control two SGTL5000 chips 8 лет назад
control_sgtl5000.h Add ability to control two SGTL5000 chips 8 лет назад
control_wm8731.cpp AudioControlWM8731::inputLevel(float n) 9 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 Fix compiler warning 9 лет назад
effect_bitcrusher.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_chorus.cpp Merge pull request #166 from FrankBoesing/patch-2 8 лет назад
effect_chorus.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_delay.cpp Remove unused multiplier 10 лет назад
effect_delay.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_delay_ext.cpp Add SPI external memory timing comment 8 лет назад
effect_delay_ext.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_envelope.cpp Add AudioEffectEnvelope 10 лет назад
effect_envelope.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_fade.cpp Add MIT license 10 лет назад
effect_fade.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_flange.cpp use AUDIO_SAMPLE_RATE_EXACT 8 лет назад
effect_flange.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_midside.cpp Don't compile M4 code on LC (but LC still not working) 8 лет назад
effect_midside.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_multiply.cpp Fix more Teensy-LC compiler errors 9 лет назад
effect_multiply.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
filter_biquad.cpp Don't cause a loud pop when changing biquad filter coefficients 8 лет назад
filter_biquad.h Add shelving filter support for biquad 8 лет назад
filter_fir.cpp Impove and document FIR filter 10 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 Fix more Teensy-LC compiler errors 9 лет назад
filter_variable.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
input_adc.cpp Fix the DC offset computation. The previous computation would occassionally get stuck with an incorrect offset. 8 лет назад
input_adc.h Fix the DC offset computation. The previous computation would occassionally get stuck with an incorrect offset. 8 лет назад
input_i2s.cpp Fix more Teensy-LC compiler errors 9 лет назад
input_i2s.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
input_i2s_quad.cpp More hardware defs 8 лет назад
input_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
keywords.txt Add simple drum header and keywords 8 лет назад
library.json Use tagged source code from repo 8 лет назад
library.properties Edit version string, for Arduino 1.6.11 compatibility 8 лет назад
memcpy_audio.S More hardware defs 8 лет назад
memcpy_audio.h Add memcpy_tointerleaveQuad (thanks Frank) 8 лет назад
mixer.cpp Fix some Teensy-LC compiler errors 9 лет назад
mixer.h Do not assume AudioStream.h includes Arduino.h 8 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_dac.cpp More hardware defs 8 лет назад
output_dac.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
output_i2s.cpp Support more clock speeds 8 лет назад
output_i2s.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
output_i2s_quad.cpp Support more clock speeds 8 лет назад
output_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
output_pt8211.cpp changed defines to be more specific 8 лет назад
output_pt8211.h changed defines to be more specific 8 лет назад
output_pwm.cpp Fix more Teensy-LC compiler errors 9 лет назад
output_pwm.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
output_spdif.cpp Support more clock speeds 8 лет назад
output_spdif.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
play_memory.cpp Add status and position functions to AudioPlayMemory 10 лет назад
play_memory.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
play_queue.cpp do not forget - your own addition :-) 10 лет назад
play_queue.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
play_sd_raw.cpp Do not disable all interrupts while opening RAW files 9 лет назад
play_sd_raw.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
play_sd_wav.cpp fix problem with left+right channels being swapped 8 лет назад
play_sd_wav.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
play_serialflash_raw.cpp remove leftover debug code from AudioPlaySerialflashRaw 9 лет назад
play_serialflash_raw.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
record_queue.cpp Fix harmless compiler warnings in AudioRecordQueue 10 лет назад
record_queue.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
spi_interrupt.cpp Add SPI interrupt registration layer 10 лет назад
spi_interrupt.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
synth_dc.cpp Add AudioSynthWaveformDc 10 лет назад
synth_dc.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
synth_karplusstrong.cpp Decay resonance (loop gain) slightly in Karplus Strong 8 лет назад
synth_karplusstrong.h Add Synthesis Guitar example 8 лет назад
synth_pinknoise.cpp Clean up harmless compiler warnings 10 лет назад
synth_pinknoise.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
synth_simple_drum.cpp Adding SimpleDrum synthesis object to audio library. 8 лет назад
synth_simple_drum.h Adding SimpleDrum synthesis object to audio library. 8 лет назад
synth_sine.cpp fix incorrect comment 8 лет назад
synth_sine.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
synth_tonesweep.cpp fix tonesweep 8 лет назад
synth_tonesweep.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
synth_waveform.cpp #144: Add the reverse sawtooth and sample-and-hold waveforms. 9 лет назад
synth_waveform.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. 10 лет назад
synth_whitenoise.cpp Fix more Teensy-LC compiler errors 9 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/

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