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ツリー: 9c57e1cb19
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PaulStoffregen 9c57e1cb19 Add simple drum header and keywords 8年前
examples Rename NoteFrequency samples 8年前
extras Len noticed a bug in binary velocity output 8年前
gui Add PT8211 documentation and example 8年前
utility Support more clock speeds 8年前
.travis.yml Update Travis CI settings 8年前
Audio.h Add simple drum header and keywords 8年前
AudioControl.h Add AudioSynthWaveformSine 10年前
README.md remove Travis CI status from readme (it's too unreliable) 8年前
analyze_fft256.cpp Initial work on FFT256 for Teensy-LC (untested) 9年前
analyze_fft256.h Do not assume AudioStream.h includes Arduino.h 8年前
analyze_fft1024.cpp Fix some Teensy-LC compiler errors 9年前
analyze_fft1024.h Do not assume AudioStream.h includes Arduino.h 8年前
analyze_notefreq.cpp Remove leftover debug code 8年前
analyze_notefreq.h NoteFrequency fixes 8年前
analyze_peak.cpp Add TODO for analyze peak optimization 8年前
analyze_peak.h Do not assume AudioStream.h includes Arduino.h 8年前
analyze_print.cpp Change AudioAnalyzePrint name API 10年前
analyze_print.h Do not assume AudioStream.h includes Arduino.h 8年前
analyze_rms.cpp Don't compile M4 code on LC (but LC still not working) 8年前
analyze_rms.h Do not assume AudioStream.h includes Arduino.h 8年前
analyze_tonedetect.cpp Fix more Teensy-LC compiler errors 9年前
analyze_tonedetect.h Do not assume AudioStream.h includes Arduino.h 8年前
control_ak4558.cpp Fixed control functions, examples, GUI elements 9年前
control_ak4558.h Fixed control functions, examples, GUI elements 9年前
control_cs4272.cpp Add CS4272 control (thanks William Hollender) 8年前
control_cs4272.h Add CS4272 control (thanks William Hollender) 8年前
control_sgtl5000.cpp Add ability to control two SGTL5000 chips 8年前
control_sgtl5000.h Add ability to control two SGTL5000 chips 8年前
control_wm8731.cpp AudioControlWM8731::inputLevel(float n) 9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 Fix compiler warning 9年前
effect_bitcrusher.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_chorus.cpp Merge pull request #166 from FrankBoesing/patch-2 8年前
effect_chorus.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_delay.cpp Remove unused multiplier 10年前
effect_delay.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_delay_ext.cpp Add SPI external memory timing comment 8年前
effect_delay_ext.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_envelope.cpp Add AudioEffectEnvelope 10年前
effect_envelope.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_fade.cpp Add MIT license 10年前
effect_fade.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_flange.cpp use AUDIO_SAMPLE_RATE_EXACT 8年前
effect_flange.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_midside.cpp Don't compile M4 code on LC (but LC still not working) 8年前
effect_midside.h Do not assume AudioStream.h includes Arduino.h 8年前
effect_multiply.cpp Fix more Teensy-LC compiler errors 9年前
effect_multiply.h Do not assume AudioStream.h includes Arduino.h 8年前
filter_biquad.cpp Don't cause a loud pop when changing biquad filter coefficients 8年前
filter_biquad.h Add shelving filter support for biquad 8年前
filter_fir.cpp Impove and document FIR filter 10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 Fix more Teensy-LC compiler errors 9年前
filter_variable.h Do not assume AudioStream.h includes Arduino.h 8年前
input_adc.cpp Fix some Teensy-LC compiler errors 9年前
input_adc.h Do not assume AudioStream.h includes Arduino.h 8年前
input_i2s.cpp Fix more Teensy-LC compiler errors 9年前
input_i2s.h Do not assume AudioStream.h includes Arduino.h 8年前
input_i2s_quad.cpp More hardware defs 8年前
input_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8年前
keywords.txt Add simple drum header and keywords 8年前
library.json Use tagged source code from repo 8年前
library.properties Increase to version 1.03 9年前
memcpy_audio.S More hardware defs 8年前
memcpy_audio.h Add memcpy_tointerleaveQuad (thanks Frank) 8年前
mixer.cpp Fix some Teensy-LC compiler errors 9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_dac.cpp More hardware defs 8年前
output_dac.h Do not assume AudioStream.h includes Arduino.h 8年前
output_i2s.cpp Support more clock speeds 8年前
output_i2s.h Do not assume AudioStream.h includes Arduino.h 8年前
output_i2s_quad.cpp Support more clock speeds 8年前
output_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8年前
output_pt8211.cpp changed defines to be more specific 8年前
output_pt8211.h changed defines to be more specific 8年前
output_pwm.cpp Fix more Teensy-LC compiler errors 9年前
output_pwm.h Do not assume AudioStream.h includes Arduino.h 8年前
output_spdif.cpp Support more clock speeds 8年前
output_spdif.h Do not assume AudioStream.h includes Arduino.h 8年前
play_memory.cpp Add status and position functions to AudioPlayMemory 10年前
play_memory.h Do not assume AudioStream.h includes Arduino.h 8年前
play_queue.cpp do not forget - your own addition :-) 10年前
play_queue.h Do not assume AudioStream.h includes Arduino.h 8年前
play_sd_raw.cpp Do not disable all interrupts while opening RAW files 9年前
play_sd_raw.h Do not assume AudioStream.h includes Arduino.h 8年前
play_sd_wav.cpp fix problem with left+right channels being swapped 8年前
play_sd_wav.h Do not assume AudioStream.h includes Arduino.h 8年前
play_serialflash_raw.cpp remove leftover debug code from AudioPlaySerialflashRaw 9年前
play_serialflash_raw.h Do not assume AudioStream.h includes Arduino.h 8年前
record_queue.cpp Fix harmless compiler warnings in AudioRecordQueue 10年前
record_queue.h Do not assume AudioStream.h includes Arduino.h 8年前
spi_interrupt.cpp Add SPI interrupt registration layer 10年前
spi_interrupt.h Do not assume AudioStream.h includes Arduino.h 8年前
synth_dc.cpp Add AudioSynthWaveformDc 10年前
synth_dc.h Do not assume AudioStream.h includes Arduino.h 8年前
synth_karplusstrong.cpp Decay resonance (loop gain) slightly in Karplus Strong 8年前
synth_karplusstrong.h Add Synthesis Guitar example 8年前
synth_pinknoise.cpp Clean up harmless compiler warnings 10年前
synth_pinknoise.h Do not assume AudioStream.h includes Arduino.h 8年前
synth_simple_drum.cpp Adding SimpleDrum synthesis object to audio library. 8年前
synth_simple_drum.h Adding SimpleDrum synthesis object to audio library. 8年前
synth_sine.cpp fix incorrect comment 8年前
synth_sine.h Do not assume AudioStream.h includes Arduino.h 8年前
synth_tonesweep.cpp fix tonesweep 8年前
synth_tonesweep.h Do not assume AudioStream.h includes Arduino.h 8年前
synth_waveform.cpp #144: Add the reverse sawtooth and sample-and-hold waveforms. 9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 Fix more Teensy-LC compiler errors 9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/

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