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PaulStoffregen 7673a0dbdf Add AudioInputTDM 7 anos atrás
examples Better volume scaling in PassThroughUSB example 7 anos atrás
extras Len noticed a bug in binary velocity output 8 anos atrás
gui Add links to CV analog circuits in documentation 7 anos atrás
utility Support more clock speeds 8 anos atrás
.gitignore Add documentation for new objects 8 anos atrás
.travis.yml Update Travis CI settings 8 anos atrás
Audio.h Add AudioInputTDM 7 anos atrás
AudioControl.h Add AudioSynthWaveformSine 10 anos atrás
README.md Update readme 7 anos atrás
analyze_fft256.cpp Initial work on FFT256 for Teensy-LC (untested) 9 anos atrás
analyze_fft256.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
analyze_fft1024.cpp Fix some Teensy-LC compiler errors 9 anos atrás
analyze_fft1024.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
analyze_notefreq.cpp Remove leftover debug code 8 anos atrás
analyze_notefreq.h NoteFrequency fixes 8 anos atrás
analyze_peak.cpp Add TODO for analyze peak optimization 8 anos atrás
analyze_peak.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
analyze_print.cpp Change AudioAnalyzePrint name API 10 anos atrás
analyze_print.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
analyze_rms.cpp Don't compile M4 code on LC (but LC still not working) 8 anos atrás
analyze_rms.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
analyze_tonedetect.cpp Fix more Teensy-LC compiler errors 9 anos atrás
analyze_tonedetect.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
control_ak4558.cpp Fixed control functions, examples, GUI elements 9 anos atrás
control_ak4558.h Fixed control functions, examples, GUI elements 9 anos atrás
control_cs4272.cpp Add CS4272 control (thanks William Hollender) 8 anos atrás
control_cs4272.h Add CS4272 control (thanks William Hollender) 8 anos atrás
control_cs42448.cpp Add AudioControlCS42448 7 anos atrás
control_cs42448.h Add AudioControlCS42448 7 anos atrás
control_sgtl5000.cpp Add ability to control two SGTL5000 chips 8 anos atrás
control_sgtl5000.h Add ability to control two SGTL5000 chips 8 anos atrás
control_wm8731.cpp AudioControlWM8731::inputLevel(float n) 9 anos atrás
control_wm8731.h AudioControlWM8731::inputLevel(float n) 9 anos atrás
data_ulaw.c Add missing open source license headers 10 anos atrás
data_waveforms.c Remove old AudioSynthWaveform 10 anos atrás
data_windows.c Add other window types for 1024 point FFT 10 anos atrás
effect_bitcrusher.cpp Fix compiler warning 9 anos atrás
effect_bitcrusher.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_chorus.cpp Merge pull request #166 from FrankBoesing/patch-2 8 anos atrás
effect_chorus.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_delay.cpp Remove unused multiplier 10 anos atrás
effect_delay.h Increase maximum delay and scale with block size 7 anos atrás
effect_delay_ext.cpp Add SPI external memory timing comment 8 anos atrás
effect_delay_ext.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_envelope.cpp Add AudioEffectEnvelope 10 anos atrás
effect_envelope.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_fade.cpp Fix minor compiler warning 8 anos atrás
effect_fade.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_flange.cpp Calculation of delay_rate_incr 8 anos atrás
effect_flange.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_midside.cpp Don't compile M4 code on LC (but LC still not working) 8 anos atrás
effect_midside.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_multiply.cpp Fix more Teensy-LC compiler errors 9 anos atrás
effect_multiply.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
effect_reverb.cpp Add reverb effect, from Joao Rossi Filho 8 anos atrás
effect_reverb.h Add reverb effect, from Joao Rossi Filho 8 anos atrás
filter_biquad.cpp Don't cause a loud pop when changing biquad filter coefficients 8 anos atrás
filter_biquad.h Add shelving filter support for biquad 8 anos atrás
filter_fir.cpp Impove and document FIR filter 10 anos atrás
filter_fir.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
filter_fir.md Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file 10 anos atrás
filter_variable.cpp Fix more Teensy-LC compiler errors 9 anos atrás
filter_variable.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
input_adc.cpp Fix ADC input with various clock speeds 8 anos atrás
input_adc.h Fix the DC offset computation. The previous computation would occassionally get stuck with an incorrect offset. 8 anos atrás
input_adcs.cpp Fix compile error on Teensy 3.0 8 anos atrás
input_adcs.h Add AudioInputAnalogStereo (work in progress...) 8 anos atrás
input_i2s.cpp Fix more Teensy-LC compiler errors 9 anos atrás
input_i2s.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
input_i2s_quad.cpp Quad input on Teensy 3.5 & 3.6 needs pin 38 7 anos atrás
input_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
input_tdm.cpp Add AudioInputTDM 7 anos atrás
input_tdm.h Add AudioInputTDM 7 anos atrás
keywords.txt Add AudioInputTDM 7 anos atrás
library.json Let PlatformIO automatically detect Arduino v1.0 library format 8 anos atrás
library.properties Edit version string, for Arduino 1.6.11 compatibility 8 anos atrás
memcpy_audio.S Allow blocksizes 8 and 16 8 anos atrás
memcpy_audio.h Add memcpy_tointerleaveQuad (thanks Frank) 8 anos atrás
mixer.cpp Fix some Teensy-LC compiler errors 9 anos atrás
mixer.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
multiplier.md Add a multiplier (by rheslip) 10 anos atrás
new_objects.md change format for new_objects files 11 anos atrás
output_dac.cpp More hardware defs 8 anos atrás
output_dac.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
output_dacs.cpp Fix AudioOutputAnalogStereo analogReference 8 anos atrás
output_dacs.h Add AudioOutputAnalogStereo 8 anos atrás
output_i2s.cpp Fix I2S output when also using I2S input with CPU > 120 MHz 8 anos atrás
output_i2s.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
output_i2s_quad.cpp Fix simultaneous quad input & output on Teensy 3.6 with CPU > 120 MHz 7 anos atrás
output_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
output_pt8211.cpp Bugfix re: noise when no blocks are available 8 anos atrás
output_pt8211.h changed defines to be more specific 8 anos atrás
output_pwm.cpp Fix BUG for AUDIO_BLOCK_SAMPLES != 128 8 anos atrás
output_pwm.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
output_spdif.cpp Support more clock speeds 8 anos atrás
output_spdif.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
output_tdm.cpp Add AudioInputTDM 7 anos atrás
output_tdm.h Add AudioInputTDM 7 anos atrás
play_memory.cpp Fix hard-coded 128 block size limits 8 anos atrás
play_memory.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
play_queue.cpp do not forget - your own addition :-) 10 anos atrás
play_queue.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
play_sd_raw.cpp Fix for two little bugs 8 anos atrás
play_sd_raw.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
play_sd_wav.cpp SDHC does not use SPI 8 anos atrás
play_sd_wav.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
play_serialflash_raw.cpp remove leftover debug code from AudioPlaySerialflashRaw 9 anos atrás
play_serialflash_raw.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
record_queue.cpp Fix harmless compiler warnings in AudioRecordQueue 10 anos atrás
record_queue.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
spi_interrupt.cpp Add SPI interrupt registration layer 10 anos atrás
spi_interrupt.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
synth_dc.cpp Fix hard-coded 128 block size limits 8 anos atrás
synth_dc.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
synth_karplusstrong.cpp Decay resonance (loop gain) slightly in Karplus Strong 8 anos atrás
synth_karplusstrong.h Add Synthesis Guitar example 8 anos atrás
synth_pinknoise.cpp Clean up harmless compiler warnings 10 anos atrás
synth_pinknoise.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
synth_simple_drum.cpp Adding SimpleDrum synthesis object to audio library. 8 anos atrás
synth_simple_drum.h Adding SimpleDrum synthesis object to audio library. 8 anos atrás
synth_sine.cpp fix incorrect comment 8 anos atrás
synth_sine.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
synth_tonesweep.cpp fix tonesweep 8 anos atrás
synth_tonesweep.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
synth_waveform.cpp #144: Add the reverse sawtooth and sample-and-hold waveforms. 9 anos atrás
synth_waveform.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. 10 anos atrás
synth_whitenoise.cpp Fix more Teensy-LC compiler errors 9 anos atrás
synth_whitenoise.h Do not assume AudioStream.h includes Arduino.h 8 anos atrás

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