matt venn a7baf08182 Round down to 0 to avoid the buzzing noise issue reported here: https://forum.pjrc.com/threads/57046-Freeverb-with-low-input-levels-gt-noise-and-wierd-oscillating-quot-tone-quot Niels Moseley http://www.moseleyinstruments.com/		пре 4 година
docs	Add issue template	пре 6 година
examples	Add Vocoder19Band example from Bradley Sanders	пре 4 година
extras	Improve wav2sketch parsing of WAV files with junk sections	пре 6 година
gui	Gui: finally: Fix reload issue	пре 4 година
utility	Fix missing DSP instruction alternates on Teensy LC	пре 4 година
.gitignore	Add documentation for new objects	пре 8 година
.travis.yml	Update Travis CI settings	пре 8 година
Audio.h	Add rectifier effect	пре 4 година
AudioControl.h	Add AudioSynthWaveformSine	пре 10 година
Quantizer.cpp	async spdif input added	пре 4 година
Quantizer.h	async spdif input added	пре 4 година
README.md	Update readme	пре 7 година
Resampler.cpp	async spdif input added	пре 4 година
Resampler.h	async spdif input added	пре 4 година
analyze_fft256.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
analyze_fft256.h	Fix problem with optimized loops like do {} while (!myFFT.available());	пре 7 година
analyze_fft1024.cpp	Import all of Frank's T4 edits	пре 5 година
analyze_fft1024.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
analyze_notefreq.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
analyze_notefreq.h	NoteFrequency fixes	пре 8 година
analyze_peak.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
analyze_peak.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
analyze_print.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
analyze_print.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
analyze_rms.cpp	Import all of Frank's T4 edits	пре 5 година
analyze_rms.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
analyze_tonedetect.cpp	Import all of Frank's T4 edits	пре 5 година
analyze_tonedetect.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
async_input_spdif3.cpp	async spdif input added	пре 4 година
async_input_spdif3.h	default constructor arguments	пре 4 година
biquad.h	async spdif input added	пре 4 година
control_ak4558.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
control_ak4558.h	Fixed control functions, examples, GUI elements	пре 9 година
control_cs4272.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
control_cs4272.h	Add CS4272 control (thanks William Hollender)	пре 8 година
control_cs42448.cpp	Add comment about strange CS42448 issue and undocumented bit	пре 5 година
control_cs42448.h	Add AudioControlCS42448	пре 7 година
control_sgtl5000.cpp	Fix CHIP_I2S_CTRL on Init (SCLK=32fs -> 64fs)	пре 4 година
control_sgtl5000.h	Add ability to control two SGTL5000 chips	пре 8 година
control_tlv320aic3206.cpp	AIC3206: rename channel macros, add comments	пре 6 година
control_tlv320aic3206.h	AIC3206: rename channel macros, add comments	пре 6 година
control_wm8731.cpp	WM8731 has flaky I2C communication workaround	пре 5 година
control_wm8731.h	Add WM8731 inputSelect() function and update example	пре 6 година
data_spdif.c	use common spdif bcmlookup table	пре 5 година
data_ulaw.c	Add missing open source license headers	пре 10 година
data_waveforms.c	Remove old AudioSynthWaveform	пре 10 година
data_windows.c	Add other window types for 1024 point FFT	пре 10 година
effect_bitcrusher.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
effect_bitcrusher.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
effect_chorus.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
effect_chorus.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
effect_combine.cpp	Add AudioEffectDigitalCombine (from Bleep Labs)	пре 6 година
effect_combine.h	Move combine effect constants to class enum, not global scope	пре 6 година
effect_delay.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
effect_delay.h	Allow longer max delay effect on Teensy 4.0	пре 5 година
effect_delay_ext.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
effect_delay_ext.h	Add F-RAM	пре 7 година
effect_envelope.cpp	Add isActive() and isSustain() to envelope	пре 6 година
effect_envelope.h	Add isActive() and isSustain() to envelope	пре 6 година
effect_fade.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
effect_fade.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
effect_flange.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
effect_flange.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
effect_freeverb.cpp	Round down to 0 to avoid the buzzing noise issue reported here:	пре 4 година
effect_freeverb.h	Add AudioEffectFreeverbStereo	пре 6 година
effect_granular.cpp	Increase granular speed range, change public function to setSpeed()	пре 6 година
effect_granular.h	Increase granular speed range, change public function to setSpeed()	пре 6 година
effect_midside.cpp	Import all of Frank's T4 edits	пре 5 година
effect_midside.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
effect_multiply.cpp	Import all of Frank's T4 edits	пре 5 година
effect_multiply.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
effect_rectifier.cpp	Add rectifier effect	пре 4 година
effect_rectifier.h	update keywords	пре 4 година
effect_reverb.cpp	memset: wrong size - element size is not 1	пре 6 година
effect_reverb.h	Add reverb effect, from Joao Rossi Filho	пре 8 година
effect_waveshaper.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
effect_waveshaper.h	Accept floats instead of int16_ts for waveshape in shape()	пре 7 година
filter_biquad.cpp	Add comment about noise shaping in biquad filter	пре 5 година
filter_biquad.h	Add shelving filter support for biquad	пре 8 година
filter_fir.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
filter_fir.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
filter_fir.md	Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file	пре 10 година
filter_variable.cpp	Update links in comments, to Laurent de Soras's exp2 approximation info	пре 5 година
filter_variable.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
input_adc.cpp	Fix ADC input on Teensy 3.x	пре 4 година
input_adc.h	Initial support for ADC input on Teensy 4.0	пре 4 година
input_adcs.cpp	align	пре 4 година
input_adcs.h	Fix indentation and move filtercoefficient to #define constant instead of int32_t variable	пре 7 година
input_i2s.cpp	fix warning	пре 4 година
input_i2s.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
input_i2s2.cpp	Update input_i2s2.cpp	пре 4 година
input_i2s2.h	various (see below)	пре 5 година
input_i2s_hex.cpp	add DMAMEM, fix warnings	пре 4 година
input_i2s_hex.h	6 channel I2S input for Teensy 4.0	пре 4 година
input_i2s_oct.cpp	8 channel I2S input for Teensy 4.0	пре 4 година
input_i2s_oct.h	8 channel I2S input for Teensy 4.0	пре 4 година
input_i2s_quad.cpp	add DMAMEM, fix warnings	пре 4 година
input_i2s_quad.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
input_pdm.cpp	Update input_pdm.cpp	пре 4 година
input_pdm.h	Add AudioInputPDM	пре 6 година
input_spdif3.cpp	spdif-input	пре 4 година
input_spdif3.h	spdif-input	пре 4 година
input_tdm.cpp	Fix TDM input on Teensy 4.0	пре 5 година
input_tdm.h	Add AudioInputTDM	пре 7 година
input_tdm2.cpp	Fix TDM2 on Teensy 4.0	пре 5 година
input_tdm2.h	T4: Input TDM, Input TDM2	пре 5 година
keywords.txt	update keywords	пре 4 година
library.json	Let PlatformIO automatically detect Arduino v1.0 library format	пре 8 година
library.properties	Edit version string, for Arduino 1.6.11 compatibility	пре 8 година
memcpy_audio.S	Import all of Frank's T4 edits	пре 5 година
memcpy_audio.h	Add memcpy_tointerleaveQuad (thanks Frank)	пре 8 година
mixer.cpp	Import all of Frank's T4 edits	пре 5 година
mixer.h	Import all of Frank's T4 edits	пре 5 година
multiplier.md	Add a multiplier (by rheslip)	пре 10 година
new_objects.md	change format for new_objects files	пре 11 година
output_adat.cpp	Update output_adat.cpp	пре 4 година
output_adat.h	Add ADAT 8 channel TOSLINK output by Ernstjan Freriks	пре 7 година
output_dac.cpp	Remove leftover debug printing	пре 4 година
output_dac.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
output_dacs.cpp	alignment	пре 4 година
output_dacs.h	Add AudioOutputAnalogStereo	пре 8 година
output_i2s.cpp	fix slave i2s output on teensy 4	пре 4 година
output_i2s.h	8 channel I2S output for Teensy 4.0	пре 4 година
output_i2s2.cpp	Fix simultaneous input & output on I2S2	пре 4 година
output_i2s2.h	various (see below)	пре 5 година
output_i2s_hex.cpp	6 channel I2S output for Teensy 4.0	пре 4 година
output_i2s_hex.h	6 channel I2S output for Teensy 4.0	пре 4 година
output_i2s_oct.cpp	8 channel I2S output for Teensy 4.0	пре 4 година
output_i2s_oct.h	8 channel I2S output for Teensy 4.0	пре 4 година
output_i2s_quad.cpp	Quad I2S output for Teensy 4.0	пре 4 година
output_i2s_quad.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
output_mqs.cpp	cache-support mqs	пре 5 година
output_mqs.h	add output_mqs	пре 5 година
output_pt8211.cpp	Fix compile errors on Teensy LC	пре 4 година
output_pt8211.h	add output_pt8211	пре 5 година
output_pt8211_2.cpp	Fix PT8211 on Teensy 4.x	пре 4 година
output_pt8211_2.h	add output_pt8211_2	пре 5 година
output_pwm.cpp	Disable not-yet-working PWM output for Teensy 4.x	пре 4 година
output_pwm.h	Add Teensy 4 PWM output	пре 4 година
output_spdif.cpp	Fix compile errors on Teensy LC	пре 4 година
output_spdif.h	SPDIF	пре 5 година
output_spdif2.cpp	PROGMEM->FLASHMEM	пре 4 година
output_spdif2.h	SPDIF	пре 5 година
output_spdif3.cpp	spdif-input	пре 4 година
output_spdif3.h	spdif-input	пре 4 година
output_tdm.cpp	Fix compile errors on Teensy LC	пре 4 година
output_tdm.h	Add AudioInputTDM	пре 7 година
output_tdm2.cpp	Fix TDM2 on Teensy 4.0	пре 5 година
output_tdm2.h	various (see below)	пре 5 година
play_memory.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
play_memory.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
play_queue.cpp	Allow larger queues on Teensy 3.5, 3.6, 4.0	пре 4 година
play_queue.h	Allow larger queues on Teensy 3.5, 3.6, 4.0	пре 4 година
play_sd_raw.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
play_sd_raw.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
play_sd_wav.cpp	Play WAV files with junk sections	пре 6 година
play_sd_wav.h	Bugfix for missing initialization of data pointers in AudioPlaySdWav	пре 6 година
play_serialflash_raw.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
play_serialflash_raw.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
record_queue.cpp	Allow larger queues on Teensy 3.5, 3.6, 4.0	пре 4 година
record_queue.h	Allow larger queues on Teensy 3.5, 3.6, 4.0	пре 4 година
spi_interrupt.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
spi_interrupt.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
synth_dc.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
synth_dc.h	Import all of Frank's T4 edits	пре 5 година
synth_karplusstrong.cpp	Fix compile errors on Teensy LC	пре 4 година
synth_karplusstrong.h	Add Synthesis Guitar example	пре 8 година
synth_pinknoise.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
synth_pinknoise.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
synth_pwm.cpp	Import all of Frank's T4 edits	пре 5 година
synth_pwm.h	Add AudioSynthWaveformPWM	пре 7 година
synth_simple_drum.cpp	Fix compile errors on Teensy LC	пре 4 година
synth_simple_drum.h	Adding SimpleDrum synthesis object to audio library.	пре 8 година
synth_sine.cpp	Import all of Frank's T4 edits	пре 5 година
synth_sine.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година
synth_tonesweep.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	пре 6 година
synth_tonesweep.h	ToneSweep improvements (thanks Pio)	пре 7 година
synth_waveform.cpp	Update links in comments, to Laurent de Soras's exp2 approximation info	пре 5 година
synth_waveform.h	Add waveform phase modulation	пре 6 година
synth_waveform.md	Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave.	пре 10 година
synth_wavetable.cpp	Fix compile errors on Teensy LC	пре 4 година
synth_wavetable.h	Avoid global Wavetable defines	пре 6 година
synth_whitenoise.cpp	Import all of Frank's T4 edits	пре 5 година
synth_whitenoise.h	Do not assume AudioStream.h includes Arduino.h	пре 8 година

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