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PaulStoffregen 23dd5731f6 Add other window types for 1024 point FFT 10 lat temu
examples Add proper API to FFT objects 10 lat temu
gui Add other window types for 1024 point FFT 10 lat temu
utility Add AudioSynthWaveformDc 10 lat temu
Audio.h Remove unused multiplier 10 lat temu
AudioControl.h Add AudioSynthWaveformSine 10 lat temu
README.md Update readme 10 lat temu
analyze_fft256.cpp Add proper API to FFT objects 10 lat temu
analyze_fft256.h Add proper API to FFT objects 10 lat temu
analyze_fft1024.cpp Add proper API to FFT objects 10 lat temu
analyze_fft1024.h Add proper API to FFT objects 10 lat temu
analyze_peakdetect.cpp rename AudioPeak to AudioAnalyzePeak 10 lat temu
analyze_peakdetect.h rename AudioPeak to AudioAnalyzePeak 10 lat temu
analyze_print.cpp Improve AudioAnalyzePrint 10 lat temu
analyze_print.h Improve AudioAnalyzePrint 10 lat temu
analyze_tonedetect.cpp mode documentation in the GUI 10 lat temu
analyze_tonedetect.h Add MIT license 10 lat temu
control_sgtl5000.cpp Fix default STGL5000 line level output voltage 10 lat temu
control_sgtl5000.h control_sgtl5000.* overhaul with many renames. 10 lat temu
control_wm8731.cpp Add MIT license to last few files 10 lat temu
control_wm8731.h Add MIT license to last few files 10 lat temu
data_ulaw.c Add missing open source license headers 10 lat temu
data_waveforms.c Remove old AudioSynthWaveform 10 lat temu
data_windows.c Add other window types for 1024 point FFT 10 lat temu
effect_chorus.cpp Manually merged Pete's pull request: Correct a calculation in flange;remove static class from chorus and flange 10 lat temu
effect_chorus.h Manually merged Pete's pull request: Correct a calculation in flange;remove static class from chorus and flange 10 lat temu
effect_delay.cpp Remove unused multiplier 10 lat temu
effect_delay.h Add AudioEffectDelay 10 lat temu
effect_envelope.cpp Add AudioEffectEnvelope 10 lat temu
effect_envelope.h Add AudioEffectEnvelope 10 lat temu
effect_fade.cpp Add MIT license 10 lat temu
effect_fade.h Add MIT license 10 lat temu
effect_flange.cpp Manually merged Pete's pull request: Correct a calculation in flange;remove static class from chorus and flange 10 lat temu
effect_flange.h Manually merged Pete's pull request: Correct a calculation in flange;remove static class from chorus and flange 10 lat temu
effect_multiply.cpp Add AudioEffectMultiply 10 lat temu
effect_multiply.h Add AudioEffectMultiply 10 lat temu
filter_biquad.cpp Actual fix for multiple filter sets in AudioFilterBiquad 10 lat temu
filter_biquad.h fix for compounding/cascading filters 10 lat temu
filter_fir.cpp Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file 10 lat temu
filter_fir.h FIR only needs one input buffer 10 lat temu
filter_fir.md Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file 10 lat temu
filter_variable.cpp Add credits/references for numerical approximation algorithms 10 lat temu
filter_variable.h Finish AudioFilterStateVariable (signal control of corner frequency) 10 lat temu
input_adc.cpp Reassign DMA channels for compatibility with OctoWS2811 10 lat temu
input_adc.h Reassign DMA channels for compatibility with OctoWS2811 10 lat temu
input_i2s.cpp Reassign DMA channels for compatibility with OctoWS2811 10 lat temu
input_i2s.h Reassign DMA channels for compatibility with OctoWS2811 10 lat temu
keywords.txt Add other window types for 1024 point FFT 10 lat temu
mixer.cpp Add MIT license 10 lat temu
mixer.h Add MIT license 10 lat temu
multiplier.md Add a multiplier (by rheslip) 10 lat temu
new_objects.md change format for new_objects files 11 lat temu
output_dac.cpp AudioOutputAnalog ramp up without changing AREF setting 10 lat temu
output_dac.h Add MIT license 10 lat temu
output_i2s.cpp Add comments about I2S FIFO reset bits (was an issue on I2S test fixture) 10 lat temu
output_i2s.h Add MIT license 10 lat temu
output_pwm.cpp Reassign DMA channels for compatibility with OctoWS2811 10 lat temu
output_pwm.h Reassign DMA channels for compatibility with OctoWS2811 10 lat temu
play_memory.cpp Add status and position functions to AudioPlayMemory 10 lat temu
play_memory.h Add status and position functions to AudioPlayMemory 10 lat temu
play_queue.cpp Add AudioPlayQueue 10 lat temu
play_queue.h Add AudioPlayQueue 10 lat temu
play_sd_raw.cpp Disable interrupts while opening files from SD card 10 lat temu
play_sd_raw.h Fix status functions in AudioPlaySdRaw 10 lat temu
play_sd_wav.cpp Disable interrupts while opening files from SD card 10 lat temu
play_sd_wav.h WAV file parsing to handle extended format headers 10 lat temu
synth_dc.cpp Add AudioSynthWaveformDc 10 lat temu
synth_dc.h simplify overflow checks somewhat 10 lat temu
synth_pinknoise.cpp Add AudioSynthNoisePink 10 lat temu
synth_pinknoise.h Add AudioSynthNoisePink 10 lat temu
synth_sine.cpp Add phase() to waveform objects 10 lat temu
synth_sine.h Add phase() to waveform objects 10 lat temu
synth_tonesweep.cpp Fix up synth_tonesweep and the example to conform (more closely) to the naming conventions 10 lat temu
synth_tonesweep.h Fix up synth_tonesweep and the example to conform (more closely) to the naming conventions 10 lat temu
synth_waveform.cpp Add arbitrary waveform and offset to AudioSynthWaveform 10 lat temu
synth_waveform.h Add waveform documentation 10 lat temu
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. 10 lat temu
synth_whitenoise.cpp Add AudioSynthNoiseWhite 10 lat temu
synth_whitenoise.h Add AudioSynthNoiseWhite 10 lat temu

README.md

Audio

Audio library for Teensy 3.0 & 3.1

http://www.pjrc.com/teensy/td_libs_Audio.html

This is BETA status code. It works pretty well, but it’s still under very active development.

APIs are likely to incompatibly change.

Please discuss any issues here. code

http://forum.pjrc.com/threads/24793-Audio-Library

Always try to post reproducible bug reports, with complete code and details necessary to recreate the problem.