選択できるのは25トピックまでです。 トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。
PaulStoffregen 4fd916d7fa fix incorrect comment 8年前
examples Add PassThroughQuad example 8年前
extras/wav2sketch Rename AudioAnalyzeGuitarTuner to AudioAnalyzeNoteFrequency 9年前
gui Add AudioInputI2SQuad to the design tool 8年前
utility rewrite AudioAnalyzeRMS - arm math version doesn't work! 8年前
.travis.yml Skip unused source files 9年前
Audio.h Begin work on quad channel audio input 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 Fix FFT read range (now inclusive) 9年前
analyze_fft1024.cpp Fix some Teensy-LC compiler errors 9年前
analyze_fft1024.h Fix FFT read range (now inclusive) 9年前
analyze_notefreq.cpp Rename AudioAnalyzeGuitarTuner to AudioAnalyzeNoteFrequency 9年前
analyze_notefreq.h Rename AudioAnalyzeGuitarTuner to AudioAnalyzeNoteFrequency 9年前
analyze_peak.cpp Add TODO for analyze peak optimization 8年前
analyze_peak.h Add readPeakToPeak() to AudioAnalyzePeak 8年前
analyze_print.cpp Change AudioAnalyzePrint name API 10年前
analyze_print.h Change AudioAnalyzePrint name API 10年前
analyze_rms.cpp Don't compile M4 code on LC (but LC still not working) 8年前
analyze_rms.h rewrite AudioAnalyzeRMS - arm math version doesn't work! 8年前
analyze_tonedetect.cpp Fix more Teensy-LC compiler errors 9年前
analyze_tonedetect.h Add MIT license 10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_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 Add Bitcrusher effect (thanks Pensive) 9年前
effect_chorus.cpp Remove debug Serial.print... 8年前
effect_chorus.h remove unimplemented stop() 10年前
effect_delay.cpp Remove unused multiplier 10年前
effect_delay.h Add AudioEffectDelay 10年前
effect_delay_ext.cpp Add support for Frank's 6-chip Memoryboard4 (AUDIO_MEMORY_MEMORYBOARD) 9年前
effect_delay_ext.h Add support for Frank's 6-chip Memoryboard4 (AUDIO_MEMORY_MEMORYBOARD) 9年前
effect_envelope.cpp Add AudioEffectEnvelope 10年前
effect_envelope.h Add AudioEffectEnvelope 10年前
effect_fade.cpp Add MIT license 10年前
effect_fade.h Add MIT license 10年前
effect_flange.cpp Change Flange effect to one channel 10年前
effect_flange.h remove unimplemented stop() 10年前
effect_midside.cpp Don't compile M4 code on LC (but LC still not working) 8年前
effect_midside.h Add AudioEffectMidSide (thanks Hedde Bosman) 8年前
effect_multiply.cpp Fix more Teensy-LC compiler errors 9年前
effect_multiply.h Add AudioEffectMultiply 10年前
filter_biquad.cpp Fix more Teensy-LC compiler errors 9年前
filter_biquad.h Improve Biquad filter 10年前
filter_fir.cpp Impove and document FIR filter 10年前
filter_fir.h Impove and document FIR filter 10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 Finish AudioFilterStateVariable (signal control of corner frequency) 10年前
input_adc.cpp Fix some Teensy-LC compiler errors 9年前
input_adc.h Fix AudioInputAnalog 10年前
input_i2s.cpp Fix more Teensy-LC compiler errors 9年前
input_i2s.h Use DMAChannel begin() 10年前
input_i2s_quad.cpp Begin work on quad channel audio input 8年前
input_i2s_quad.h Begin work on quad channel audio input 8年前
keywords.txt Begin work on quad channel audio input 8年前
library.json Handle all nested examples 9年前
library.properties Increase to version 1.03 9年前
memcpy_audio.S don't save r12 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 Allow negative/inverting mixer gain 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 Initial work on DAC for Teensy-LC (still incomplete) 9年前
output_dac.h Initial work on DAC for Teensy-LC (still incomplete) 9年前
output_i2s.cpp Optimize I2S output memory copy (thanks Frank Bösing) 8年前
output_i2s.h Use DMAChannel begin() 10年前
output_i2s_quad.cpp Add memcpy_tointerleaveQuad (thanks Frank) 8年前
output_i2s_quad.h Begin work on quad channel audio input 8年前
output_pwm.cpp Fix more Teensy-LC compiler errors 9年前
output_pwm.h Make input ADC and output DAC play nicely together 10年前
output_spdif.cpp Fix more Teensy-LC compiler errors 9年前
output_spdif.h Add keywords 9年前
play_memory.cpp Add status and position functions to AudioPlayMemory 10年前
play_memory.h Add status and position functions to AudioPlayMemory 10年前
play_queue.cpp do not forget - your own addition :-) 10年前
play_queue.h do not forget - your own addition :-) 10年前
play_sd_raw.cpp Do not disable all interrupts while opening RAW files 9年前
play_sd_raw.h Fix status functions in AudioPlaySdRaw 10年前
play_sd_wav.cpp Fix stereo WAV file startup & end (first and last 3 milliseconds) 9年前
play_sd_wav.h Fix audible click at end of Wav file playing 10年前
play_serialflash_raw.cpp remove leftover debug code from AudioPlaySerialflashRaw 9年前
play_serialflash_raw.h Add AudioPlaySerialflashRaw 9年前
record_queue.cpp Fix harmless compiler warnings in AudioRecordQueue 10年前
record_queue.h Finish AudioRecordQueue and Record example 10年前
spi_interrupt.cpp Add SPI interrupt registration layer 10年前
spi_interrupt.h register SPI interrupt when playing WAV & RAW files 10年前
synth_dc.cpp Add AudioSynthWaveformDc 10年前
synth_dc.h simplify overflow checks somewhat 10年前
synth_pinknoise.cpp Clean up harmless compiler warnings 10年前
synth_pinknoise.h Add AudioSynthNoisePink 10年前
synth_sine.cpp fix incorrect comment 8年前
synth_sine.h Add AudioSynthWaveformSineHires - High Precision Sine Wave 8年前
synth_tonesweep.cpp Bug fix so that downward tone sweeps will work. 8年前
synth_tonesweep.h Clean up harmless compiler warnings 10年前
synth_waveform.cpp #144: Add the reverse sawtooth and sample-and-hold waveforms. 9年前
synth_waveform.h #144: Add the reverse sawtooth and sample-and-hold waveforms. 9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 Fix multiple white noise instances 10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