PaulStoffregen 9b44b17006 Document bandlimit waveforms		3 jaren geleden
docs	Add issue template	6 jaren geleden
examples	Ladder filter frequency modulation in "volts per octave"	3 jaren geleden
extras	Add PROGMEM to output array	3 jaren geleden
gui	Document bandlimit waveforms	3 jaren geleden
utility	Fixes for Teensy LC	3 jaren geleden
.gitignore	Add documentation for new objects	8 jaren geleden
.travis.yml	Update Travis CI settings	8 jaren geleden
Audio.h	Add ladder filter, work-in-progress	3 jaren geleden
AudioControl.h	Add AudioSynthWaveformSine	10 jaren geleden
Quantizer.cpp	prevent clipping	4 jaren geleden
Quantizer.h	async spdif input added	4 jaren geleden
README.md	Mention Teensy 4.x in readme	3 jaren geleden
Resampler.cpp	added the maximum filter length to the parameters	4 jaren geleden
Resampler.h	added the maximum filter length to the parameters	4 jaren geleden
analyze_fft256.cpp	Fixes for Teensy LC	3 jaren geleden
analyze_fft256.h	Fix problem with optimized loops like do {} while (!myFFT.available());	7 jaren geleden
analyze_fft1024.cpp	Import all of Frank's T4 edits	5 jaren geleden
analyze_fft1024.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
analyze_notefreq.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
analyze_notefreq.h	NoteFrequency fixes	8 jaren geleden
analyze_peak.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
analyze_peak.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
analyze_print.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
analyze_print.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
analyze_rms.cpp	Import all of Frank's T4 edits	5 jaren geleden
analyze_rms.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
analyze_tonedetect.cpp	Import all of Frank's T4 edits	5 jaren geleden
analyze_tonedetect.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
async_input_spdif3.cpp	FLASHMEM instead of PROGMEM for functions	4 jaren geleden
async_input_spdif3.h	prevent clipping	4 jaren geleden
biquad.h	async spdif input added	4 jaren geleden
control_ak4558.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
control_ak4558.h	Fixed control functions, examples, GUI elements	9 jaren geleden
control_cs4272.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
control_cs4272.h	Add CS4272 control (thanks William Hollender)	8 jaren geleden
control_cs42448.cpp	Add comment about strange CS42448 issue and undocumented bit	5 jaren geleden
control_cs42448.h	Add AudioControlCS42448	7 jaren geleden
control_sgtl5000.cpp	Merge pull request #373 from grahamwhaley/20201229_5k_hishelf	3 jaren geleden
control_sgtl5000.h	Merge pull request #334 from jurgenbelien/master	3 jaren geleden
control_tlv320aic3206.cpp	AIC3206: rename channel macros, add comments	6 jaren geleden
control_tlv320aic3206.h	AIC3206: rename channel macros, add comments	6 jaren geleden
control_wm8731.cpp	WM8731 has flaky I2C communication workaround	5 jaren geleden
control_wm8731.h	Add WM8731 inputSelect() function and update example	6 jaren geleden
data_bandlimit_step.c	Band limited versions of square and sawtooth added to AudioSynthWaveform and AudioSynthWaveformModulated	4 jaren geleden
data_spdif.c	use common spdif bcmlookup table	5 jaren geleden
data_ulaw.c	Add missing open source license headers	10 jaren geleden
data_waveforms.c	Remove old AudioSynthWaveform	10 jaren geleden
data_windows.c	Add other window types for 1024 point FFT	10 jaren geleden
effect_bitcrusher.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
effect_bitcrusher.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
effect_chorus.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
effect_chorus.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
effect_combine.cpp	Add AudioEffectDigitalCombine (from Bleep Labs)	6 jaren geleden
effect_combine.h	Move combine effect constants to class enum, not global scope	6 jaren geleden
effect_delay.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
effect_delay.h	Allow longer max delay effect on Teensy 4.0	5 jaren geleden
effect_delay_ext.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
effect_delay_ext.h	Add F-RAM	7 jaren geleden
effect_envelope.cpp	Add isActive() and isSustain() to envelope	6 jaren geleden
effect_envelope.h	Add isActive() and isSustain() to envelope	6 jaren geleden
effect_fade.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
effect_fade.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
effect_flange.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
effect_flange.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
effect_freeverb.cpp	Round down to 0 to avoid the buzzing noise issue reported here:	4 jaren geleden
effect_freeverb.h	Add AudioEffectFreeverbStereo	6 jaren geleden
effect_granular.cpp	Increase granular speed range, change public function to setSpeed()	6 jaren geleden
effect_granular.h	Increase granular speed range, change public function to setSpeed()	6 jaren geleden
effect_midside.cpp	Import all of Frank's T4 edits	5 jaren geleden
effect_midside.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
effect_multiply.cpp	Import all of Frank's T4 edits	5 jaren geleden
effect_multiply.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
effect_rectifier.cpp	Update effect_rectifier.cpp	4 jaren geleden
effect_rectifier.h	update keywords	4 jaren geleden
effect_reverb.cpp	memset: wrong size - element size is not 1	6 jaren geleden
effect_reverb.h	Add reverb effect, from Joao Rossi Filho	8 jaren geleden
effect_waveshaper.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
effect_waveshaper.h	Accept floats instead of int16_ts for waveshape in shape()	7 jaren geleden
filter_biquad.cpp	Add comment about noise shaping in biquad filter	5 jaren geleden
filter_biquad.h	Add shelving filter support for biquad	8 jaren geleden
filter_fir.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
filter_fir.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
filter_fir.md	Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file	10 jaren geleden
filter_ladder.cpp	Limit ladder filter to safer maximum values	3 jaren geleden
filter_ladder.h	Ladder filter frequency modulation in "volts per octave"	3 jaren geleden
filter_variable.cpp	Update links in comments, to Laurent de Soras's exp2 approximation info	5 jaren geleden
filter_variable.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
input_adc.cpp	Fix ADC input on Teensy 3.x	4 jaren geleden
input_adc.h	Initial support for ADC input on Teensy 4.0	4 jaren geleden
input_adcs.cpp	align	4 jaren geleden
input_adcs.h	Fix indentation and move filtercoefficient to #define constant instead of int32_t variable	7 jaren geleden
input_i2s.cpp	Add I2sInput Master	3 jaren geleden
input_i2s.h	LC input slave	3 jaren geleden
input_i2s2.cpp	Update input_i2s2.cpp	4 jaren geleden
input_i2s2.h	various (see below)	5 jaren geleden
input_i2s_hex.cpp	add DMAMEM, fix warnings	4 jaren geleden
input_i2s_hex.h	6 channel I2S input for Teensy 4.0	4 jaren geleden
input_i2s_oct.cpp	8 channel I2S input for Teensy 4.0	4 jaren geleden
input_i2s_oct.h	8 channel I2S input for Teensy 4.0	4 jaren geleden
input_i2s_quad.cpp	add DMAMEM, fix warnings	4 jaren geleden
input_i2s_quad.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
input_pdm.cpp	Kinetis K only	3 jaren geleden
input_pdm.h	Add AudioInputPDM	6 jaren geleden
input_spdif3.cpp	spdif-input	4 jaren geleden
input_spdif3.h	spdif-input	4 jaren geleden
input_tdm.cpp	Fix TDM input on Teensy 4.0	5 jaren geleden
input_tdm.h	Add AudioInputTDM	7 jaren geleden
input_tdm2.cpp	Fix TDM2 on Teensy 4.0	5 jaren geleden
input_tdm2.h	T4: Input TDM, Input TDM2	5 jaren geleden
keywords.txt	Change Ladder filter API to be similar to other filters	3 jaren geleden
library.json	Let PlatformIO automatically detect Arduino v1.0 library format	8 jaren geleden
library.properties	Edit version string, for Arduino 1.6.11 compatibility	8 jaren geleden
memcpy_audio.S	Import all of Frank's T4 edits	5 jaren geleden
memcpy_audio.h	Add memcpy_tointerleaveQuad (thanks Frank)	8 jaren geleden
mixer.cpp	Import all of Frank's T4 edits	5 jaren geleden
mixer.h	Import all of Frank's T4 edits	5 jaren geleden
multiplier.md	Add a multiplier (by rheslip)	10 jaren geleden
new_objects.md	change format for new_objects files	11 jaren geleden
output_adat.cpp	Update output_adat.cpp	4 jaren geleden
output_adat.h	Add ADAT 8 channel TOSLINK output by Ernstjan Freriks	7 jaren geleden
output_dac.cpp	Remove leftover debug printing	4 jaren geleden
output_dac.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
output_dacs.cpp	alignment	4 jaren geleden
output_dacs.h	Add AudioOutputAnalogStereo	8 jaren geleden
output_i2s.cpp	LC input slave	3 jaren geleden
output_i2s.h	Teensy LC AudioOutputI2S(+slave)	3 jaren geleden
output_i2s2.cpp	Fix simultaneous input & output on I2S2	4 jaren geleden
output_i2s2.h	various (see below)	5 jaren geleden
output_i2s_hex.cpp	6 channel I2S output for Teensy 4.0	4 jaren geleden
output_i2s_hex.h	6 channel I2S output for Teensy 4.0	4 jaren geleden
output_i2s_oct.cpp	8 channel I2S output for Teensy 4.0	4 jaren geleden
output_i2s_oct.h	8 channel I2S output for Teensy 4.0	4 jaren geleden
output_i2s_quad.cpp	Add comment with link to forum conversation	4 jaren geleden
output_i2s_quad.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
output_mqs.cpp	MQS: Play nice	3 jaren geleden
output_mqs.h	add output_mqs	5 jaren geleden
output_pt8211.cpp	LC has no I2S0_TCR1	3 jaren geleden
output_pt8211.h	Add Teensy LC Code for PT8211	3 jaren geleden
output_pt8211_2.cpp	done :)	3 jaren geleden
output_pt8211_2.h	add output_pt8211_2	5 jaren geleden
output_pwm.cpp	Disable not-yet-working PWM output for Teensy 4.x	4 jaren geleden
output_pwm.h	Add Teensy 4 PWM output	4 jaren geleden
output_spdif.cpp	Fix compile errors on Teensy LC	4 jaren geleden
output_spdif.h	SPDIF	5 jaren geleden
output_spdif2.cpp	PROGMEM->FLASHMEM	4 jaren geleden
output_spdif2.h	SPDIF	5 jaren geleden
output_spdif3.cpp	spdif-input	4 jaren geleden
output_spdif3.h	async spdif input -> friendclass of spdif output	4 jaren geleden
output_tdm.cpp	Fix compile errors on Teensy LC	4 jaren geleden
output_tdm.h	Add AudioInputTDM	7 jaren geleden
output_tdm2.cpp	Fix TDM2 on Teensy 4.0	5 jaren geleden
output_tdm2.h	various (see below)	5 jaren geleden
play_memory.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
play_memory.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
play_queue.cpp	Allow larger queues on Teensy 3.5, 3.6, 4.0	4 jaren geleden
play_queue.h	Allow larger queues on Teensy 3.5, 3.6, 4.0	4 jaren geleden
play_sd_raw.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
play_sd_raw.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
play_sd_wav.cpp	allowing position + length to work during pause	4 jaren geleden
play_sd_wav.h	sdwav play/pause initial commit	4 jaren geleden
play_serialflash_raw.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
play_serialflash_raw.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
record_queue.cpp	Allow larger queues on Teensy 3.5, 3.6, 4.0	4 jaren geleden
record_queue.h	Allow larger queues on Teensy 3.5, 3.6, 4.0	4 jaren geleden
spi_interrupt.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
spi_interrupt.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
synth_dc.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
synth_dc.h	Import all of Frank's T4 edits	5 jaren geleden
synth_karplusstrong.cpp	Fix compile errors on Teensy LC	4 jaren geleden
synth_karplusstrong.h	Add Synthesis Guitar example	8 jaren geleden
synth_pinknoise.cpp	Include Arduino.h first in all cpp files, for precompiled header speedup	6 jaren geleden
synth_pinknoise.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
synth_pwm.cpp	Import all of Frank's T4 edits	5 jaren geleden
synth_pwm.h	Add AudioSynthWaveformPWM	7 jaren geleden
synth_simple_drum.cpp	Fix compile errors on Teensy LC	4 jaren geleden
synth_simple_drum.h	Adding SimpleDrum synthesis object to audio library.	8 jaren geleden
synth_sine.cpp	Import all of Frank's T4 edits	5 jaren geleden
synth_sine.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden
synth_tonesweep.cpp	Fix discontinuity in frequency stepping in tonesweep, remove unnecessary/incorrect masking of phase	4 jaren geleden
synth_tonesweep.h	ToneSweep improvements (thanks Pio)	7 jaren geleden
synth_waveform.cpp	Merge pull request #362 from MarkTillotson/fix_phase_modulation	3 jaren geleden
synth_waveform.h	Improve handling of pulse waveforms to allow sub-sample width pulses and finesse remaining issues with modulation	4 jaren geleden
synth_waveform.md	Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave.	10 jaren geleden
synth_wavetable.cpp	Fix compile errors on Teensy LC	4 jaren geleden
synth_wavetable.h	Avoid global Wavetable defines	6 jaren geleden
synth_whitenoise.cpp	Import all of Frank's T4 edits	5 jaren geleden
synth_whitenoise.h	Do not assume AudioStream.h includes Arduino.h	8 jaren geleden

README.md

Teensy Audio Library

16 bit, 44.1 kHz streaming audio library for Teensy 3.x and Teensy 4.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