You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Matt Bradshaw 666fbaea32 nearly done adding sample rate detection but ran out of time before going to pub преди 6 години
docs Add issue template преди 6 години
examples Update WM8731 documentation преди 6 години
extras nearly done adding sample rate detection but ran out of time before going to pub преди 6 години
gui Update WM8731 documentation преди 6 години
utility Replace DC removal algorithm with IIR HPF, 2 Hz преди 7 години
.gitignore Add documentation for new objects преди 8 години
.travis.yml Update Travis CI settings преди 8 години
Audio.h Add AudioInputPDM преди 6 години
AudioControl.h Add AudioSynthWaveformSine преди 10 години
README.md Update readme преди 7 години
analyze_fft256.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
analyze_fft256.h Fix problem with optimized loops like do {} while (!myFFT.available()); преди 7 години
analyze_fft1024.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
analyze_fft1024.h Do not assume AudioStream.h includes Arduino.h преди 8 години
analyze_notefreq.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
analyze_notefreq.h NoteFrequency fixes преди 8 години
analyze_peak.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
analyze_peak.h Do not assume AudioStream.h includes Arduino.h преди 8 години
analyze_print.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
analyze_print.h Do not assume AudioStream.h includes Arduino.h преди 8 години
analyze_rms.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
analyze_rms.h Do not assume AudioStream.h includes Arduino.h преди 8 години
analyze_tonedetect.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
analyze_tonedetect.h Do not assume AudioStream.h includes Arduino.h преди 8 години
control_ak4558.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
control_ak4558.h Fixed control functions, examples, GUI elements преди 9 години
control_cs4272.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
control_cs4272.h Add CS4272 control (thanks William Hollender) преди 8 години
control_cs42448.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
control_cs42448.h Add AudioControlCS42448 преди 7 години
control_sgtl5000.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
control_sgtl5000.h Add ability to control two SGTL5000 chips преди 8 години
control_wm8731.cpp Add WM8731 inputSelect() function and update example преди 6 години
control_wm8731.h Add WM8731 inputSelect() function and update example преди 6 години
data_ulaw.c Add missing open source license headers преди 10 години
data_waveforms.c Remove old AudioSynthWaveform преди 10 години
data_windows.c Add other window types for 1024 point FFT преди 10 години
effect_bitcrusher.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
effect_bitcrusher.h Do not assume AudioStream.h includes Arduino.h преди 8 години
effect_chorus.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
effect_chorus.h Do not assume AudioStream.h includes Arduino.h преди 8 години
effect_combine.cpp Add AudioEffectDigitalCombine (from Bleep Labs) преди 6 години
effect_combine.h Move combine effect constants to class enum, not global scope преди 6 години
effect_delay.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
effect_delay.h Fix delay effect on Teensy 3.5 & 3.6 преди 7 години
effect_delay_ext.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
effect_delay_ext.h Add F-RAM преди 7 години
effect_envelope.cpp Add isActive() and isSustain() to envelope преди 6 години
effect_envelope.h Add isActive() and isSustain() to envelope преди 6 години
effect_fade.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
effect_fade.h Do not assume AudioStream.h includes Arduino.h преди 8 години
effect_flange.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
effect_flange.h Do not assume AudioStream.h includes Arduino.h преди 8 години
effect_freeverb.cpp Add AudioEffectFreeverbStereo преди 6 години
effect_freeverb.h Add AudioEffectFreeverbStereo преди 6 години
effect_granular.cpp Increase granular speed range, change public function to setSpeed() преди 6 години
effect_granular.h Increase granular speed range, change public function to setSpeed() преди 6 години
effect_midside.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
effect_midside.h Do not assume AudioStream.h includes Arduino.h преди 8 години
effect_multiply.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
effect_multiply.h Do not assume AudioStream.h includes Arduino.h преди 8 години
effect_reverb.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
effect_reverb.h Add reverb effect, from Joao Rossi Filho преди 8 години
effect_waveshaper.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
effect_waveshaper.h Accept floats instead of int16_ts for waveshape in shape() преди 7 години
filter_biquad.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
filter_biquad.h Add shelving filter support for biquad преди 8 години
filter_fir.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
filter_fir.h Do not assume AudioStream.h includes Arduino.h преди 8 години
filter_fir.md Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file преди 10 години
filter_variable.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
filter_variable.h Do not assume AudioStream.h includes Arduino.h преди 8 години
input_adc.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
input_adc.h Fix indentation and move filtercoefficient to #define constant instead of int32_t variable преди 7 години
input_adcs.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
input_adcs.h Fix indentation and move filtercoefficient to #define constant instead of int32_t variable преди 7 години
input_i2s.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
input_i2s.h Do not assume AudioStream.h includes Arduino.h преди 8 години
input_i2s_quad.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
input_i2s_quad.h Do not assume AudioStream.h includes Arduino.h преди 8 години
input_pdm.cpp Add AudioInputPDM преди 6 години
input_pdm.h Add AudioInputPDM преди 6 години
input_tdm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
input_tdm.h Add AudioInputTDM преди 7 години
keywords.txt Add simple AudioAmplifier преди 6 години
library.json Let PlatformIO automatically detect Arduino v1.0 library format преди 8 години
library.properties Edit version string, for Arduino 1.6.11 compatibility преди 8 години
memcpy_audio.S Allow blocksizes 8 and 16 преди 8 години
memcpy_audio.h Add memcpy_tointerleaveQuad (thanks Frank) преди 8 години
mixer.cpp Add simple AudioAmplifier преди 6 години
mixer.h Add simple AudioAmplifier преди 6 години
multiplier.md Add a multiplier (by rheslip) преди 10 години
new_objects.md change format for new_objects files преди 11 години
output_adat.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
output_adat.h Add ADAT 8 channel TOSLINK output by Ernstjan Freriks преди 7 години
output_dac.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
output_dac.h Do not assume AudioStream.h includes Arduino.h преди 8 години
output_dacs.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
output_dacs.h Add AudioOutputAnalogStereo преди 8 години
output_i2s.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
output_i2s.h Do not assume AudioStream.h includes Arduino.h преди 8 години
output_i2s_quad.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
output_i2s_quad.h Do not assume AudioStream.h includes Arduino.h преди 8 години
output_pt8211.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
output_pt8211.h changed defines to be more specific преди 8 години
output_pwm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
output_pwm.h Do not assume AudioStream.h includes Arduino.h преди 8 години
output_spdif.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
output_spdif.h Do not assume AudioStream.h includes Arduino.h преди 8 години
output_tdm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
output_tdm.h Add AudioInputTDM преди 7 години
play_memory.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
play_memory.h Do not assume AudioStream.h includes Arduino.h преди 8 години
play_queue.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
play_queue.h Do not assume AudioStream.h includes Arduino.h преди 8 години
play_sd_raw.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
play_sd_raw.h Do not assume AudioStream.h includes Arduino.h преди 8 години
play_sd_wav.cpp Play WAV files with junk sections преди 6 години
play_sd_wav.h Play WAV files with junk sections преди 6 години
play_serialflash_raw.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
play_serialflash_raw.h Do not assume AudioStream.h includes Arduino.h преди 8 години
record_queue.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
record_queue.h Do not assume AudioStream.h includes Arduino.h преди 8 години
spi_interrupt.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
spi_interrupt.h Do not assume AudioStream.h includes Arduino.h преди 8 години
synth_dc.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
synth_dc.h Add AudioSynthWaveformDc read() преди 7 години
synth_karplusstrong.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
synth_karplusstrong.h Add Synthesis Guitar example преди 8 години
synth_pinknoise.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
synth_pinknoise.h Do not assume AudioStream.h includes Arduino.h преди 8 години
synth_pwm.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
synth_pwm.h Add AudioSynthWaveformPWM преди 7 години
synth_simple_drum.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
synth_simple_drum.h Adding SimpleDrum synthesis object to audio library. преди 8 години
synth_sine.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
synth_sine.h Do not assume AudioStream.h includes Arduino.h преди 8 години
synth_tonesweep.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
synth_tonesweep.h ToneSweep improvements (thanks Pio) преди 7 години
synth_waveform.cpp Fix WAVEFORM_TRIANGLE_VARIABLE at less than 1.0 amplitude преди 6 години
synth_waveform.h Add waveform phase modulation преди 6 години
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. преди 10 години
synth_whitenoise.cpp Include Arduino.h first in all cpp files, for precompiled header speedup преди 6 години
synth_whitenoise.h Do not assume AudioStream.h includes Arduino.h преди 8 години

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