Вы не можете выбрать более 25 тем Темы должны начинаться с буквы или цифры, могут содержать дефисы(-) и должны содержать не более 35 символов.
Transmogrifox b8d349fbe7 increase precision to minimize DC error 7 лет назад
examples Fix Tutorial 1-05 7 лет назад
extras Fix format error: header chunkSize can be 16, 18, or 40 7 лет назад
gui Add AudioEffectEnvelope releaseNoteOn 7 лет назад
utility Replace DC removal algorithm with IIR HPF, 2 Hz 7 лет назад
.gitignore Add documentation for new objects 8 лет назад
.travis.yml Update Travis CI settings 8 лет назад
Audio.h Add waveshaper documentation 7 лет назад
AudioControl.h Add AudioSynthWaveformSine 10 лет назад
README.md Update readme 7 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_cs42448.cpp Add AudioControlCS42448 7 лет назад
control_cs42448.h Add AudioControlCS42448 7 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 Fix delay effect on Teensy 3.5 & 3.6 7 лет назад
effect_delay.h Fix delay effect on Teensy 3.5 & 3.6 7 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 releaseNoteOn 7 лет назад
effect_envelope.h Add AudioEffectEnvelope releaseNoteOn 7 лет назад
effect_fade.cpp Fix minor compiler warning 8 лет назад
effect_fade.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
effect_flange.cpp Calculation of delay_rate_incr 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
effect_reverb.cpp Add reverb effect, from Joao Rossi Filho 8 лет назад
effect_reverb.h Add reverb effect, from Joao Rossi Filho 8 лет назад
effect_waveshaper.cpp Accept floats instead of int16_ts for waveshape in shape() 7 лет назад
effect_waveshaper.h Accept floats instead of int16_ts for waveshape in shape() 7 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 increase precision to minimize DC error 7 лет назад
input_adc.h Fix indentation and move filtercoefficient to #define constant instead of int32_t variable 7 лет назад
input_adcs.cpp increase precision to minimize DC error 7 лет назад
input_adcs.h Fix indentation and move filtercoefficient to #define constant instead of int32_t variable 7 лет назад
input_i2s.cpp Use 64 bit frame size for I2S master mode 7 лет назад
input_i2s.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
input_i2s_quad.cpp Quad input on Teensy 3.5 & 3.6 needs pin 38 7 лет назад
input_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
input_tdm.cpp Add AudioInputTDM 7 лет назад
input_tdm.h Add AudioInputTDM 7 лет назад
keywords.txt Add AudioEffectEnvelope releaseNoteOn 7 лет назад
library.json Let PlatformIO automatically detect Arduino v1.0 library format 8 лет назад
library.properties Edit version string, for Arduino 1.6.11 compatibility 8 лет назад
memcpy_audio.S Allow blocksizes 8 and 16 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_dacs.cpp Fix AudioOutputAnalogStereo analogReference 8 лет назад
output_dacs.h Add AudioOutputAnalogStereo 8 лет назад
output_i2s.cpp Use 64 bit frame size for I2S master mode 7 лет назад
output_i2s.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
output_i2s_quad.cpp Fix simultaneous quad input & output on Teensy 3.6 with CPU > 120 MHz 7 лет назад
output_i2s_quad.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
output_pt8211.cpp Add a comment for TDA1543 7 лет назад
output_pt8211.h changed defines to be more specific 8 лет назад
output_pwm.cpp Fix BUG for AUDIO_BLOCK_SAMPLES != 128 8 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
output_tdm.cpp Add AudioInputTDM 7 лет назад
output_tdm.h Add AudioInputTDM 7 лет назад
play_memory.cpp Fix hard-coded 128 block size limits 8 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 Fix for two little bugs 8 лет назад
play_sd_raw.h Do not assume AudioStream.h includes Arduino.h 8 лет назад
play_sd_wav.cpp Fix AudioPlaySdWav status functions with LTO 7 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 Fix hard-coded 128 block size limits 8 лет назад
synth_dc.h Add AudioSynthWaveformDc read() 7 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_pwm.cpp Minor optimization in AudioSynthWaveformPWM 7 лет назад
synth_pwm.h Add AudioSynthWaveformPWM 7 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/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