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PaulStoffregen 044621fd20 More accurate 1024 FFT peak CPU usage estimate pirms 10 gadiem
examples Add proper API to FFT objects pirms 10 gadiem
gui More accurate 1024 FFT peak CPU usage estimate pirms 10 gadiem
utility Add AudioSynthWaveformDc pirms 10 gadiem
Audio.h Remove unused multiplier pirms 10 gadiem
AudioControl.h Add AudioSynthWaveformSine pirms 10 gadiem
README.md Update readme pirms 10 gadiem
analyze_fft256.cpp Add proper API to FFT objects pirms 10 gadiem
analyze_fft256.h Add proper API to FFT objects pirms 10 gadiem
analyze_fft1024.cpp Add proper API to FFT objects pirms 10 gadiem
analyze_fft1024.h Add proper API to FFT objects pirms 10 gadiem
analyze_peakdetect.cpp rename AudioPeak to AudioAnalyzePeak pirms 10 gadiem
analyze_peakdetect.h rename AudioPeak to AudioAnalyzePeak pirms 10 gadiem
analyze_print.cpp Improve AudioAnalyzePrint pirms 10 gadiem
analyze_print.h Improve AudioAnalyzePrint pirms 10 gadiem
analyze_tonedetect.cpp mode documentation in the GUI pirms 10 gadiem
analyze_tonedetect.h Add MIT license pirms 10 gadiem
control_sgtl5000.cpp Fix default STGL5000 line level output voltage pirms 10 gadiem
control_sgtl5000.h control_sgtl5000.* overhaul with many renames. pirms 10 gadiem
control_wm8731.cpp Add MIT license to last few files pirms 10 gadiem
control_wm8731.h Add MIT license to last few files pirms 10 gadiem
data_ulaw.c Add missing open source license headers pirms 10 gadiem
data_waveforms.c Remove old AudioSynthWaveform pirms 10 gadiem
data_windows.c Add other window types for 1024 point FFT pirms 10 gadiem
effect_chorus.cpp Manually merged Pete's pull request: Correct a calculation in flange;remove static class from chorus and flange pirms 10 gadiem
effect_chorus.h Manually merged Pete's pull request: Correct a calculation in flange;remove static class from chorus and flange pirms 10 gadiem
effect_delay.cpp Remove unused multiplier pirms 10 gadiem
effect_delay.h Add AudioEffectDelay pirms 10 gadiem
effect_envelope.cpp Add AudioEffectEnvelope pirms 10 gadiem
effect_envelope.h Add AudioEffectEnvelope pirms 10 gadiem
effect_fade.cpp Add MIT license pirms 10 gadiem
effect_fade.h Add MIT license pirms 10 gadiem
effect_flange.cpp Manually merged Pete's pull request: Correct a calculation in flange;remove static class from chorus and flange pirms 10 gadiem
effect_flange.h Manually merged Pete's pull request: Correct a calculation in flange;remove static class from chorus and flange pirms 10 gadiem
effect_multiply.cpp Add AudioEffectMultiply pirms 10 gadiem
effect_multiply.h Add AudioEffectMultiply pirms 10 gadiem
filter_biquad.cpp Actual fix for multiple filter sets in AudioFilterBiquad pirms 10 gadiem
filter_biquad.h fix for compounding/cascading filters pirms 10 gadiem
filter_fir.cpp Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file pirms 10 gadiem
filter_fir.h FIR only needs one input buffer pirms 10 gadiem
filter_fir.md Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file pirms 10 gadiem
filter_variable.cpp Add credits/references for numerical approximation algorithms pirms 10 gadiem
filter_variable.h Finish AudioFilterStateVariable (signal control of corner frequency) pirms 10 gadiem
input_adc.cpp Reassign DMA channels for compatibility with OctoWS2811 pirms 10 gadiem
input_adc.h Reassign DMA channels for compatibility with OctoWS2811 pirms 10 gadiem
input_i2s.cpp Reassign DMA channels for compatibility with OctoWS2811 pirms 10 gadiem
input_i2s.h Reassign DMA channels for compatibility with OctoWS2811 pirms 10 gadiem
keywords.txt Add other window types for 1024 point FFT pirms 10 gadiem
mixer.cpp Add MIT license pirms 10 gadiem
mixer.h Add MIT license pirms 10 gadiem
multiplier.md Add a multiplier (by rheslip) pirms 10 gadiem
new_objects.md change format for new_objects files pirms 11 gadiem
output_dac.cpp AudioOutputAnalog ramp up without changing AREF setting pirms 10 gadiem
output_dac.h Add MIT license pirms 10 gadiem
output_i2s.cpp Add comments about I2S FIFO reset bits (was an issue on I2S test fixture) pirms 10 gadiem
output_i2s.h Add MIT license pirms 10 gadiem
output_pwm.cpp Reassign DMA channels for compatibility with OctoWS2811 pirms 10 gadiem
output_pwm.h Reassign DMA channels for compatibility with OctoWS2811 pirms 10 gadiem
play_memory.cpp Add status and position functions to AudioPlayMemory pirms 10 gadiem
play_memory.h Add status and position functions to AudioPlayMemory pirms 10 gadiem
play_queue.cpp Add AudioPlayQueue pirms 10 gadiem
play_queue.h Add AudioPlayQueue pirms 10 gadiem
play_sd_raw.cpp Disable interrupts while opening files from SD card pirms 10 gadiem
play_sd_raw.h Fix status functions in AudioPlaySdRaw pirms 10 gadiem
play_sd_wav.cpp Disable interrupts while opening files from SD card pirms 10 gadiem
play_sd_wav.h WAV file parsing to handle extended format headers pirms 10 gadiem
synth_dc.cpp Add AudioSynthWaveformDc pirms 10 gadiem
synth_dc.h simplify overflow checks somewhat pirms 10 gadiem
synth_pinknoise.cpp Add AudioSynthNoisePink pirms 10 gadiem
synth_pinknoise.h Add AudioSynthNoisePink pirms 10 gadiem
synth_sine.cpp Add phase() to waveform objects pirms 10 gadiem
synth_sine.h Add phase() to waveform objects pirms 10 gadiem
synth_tonesweep.cpp Fix up synth_tonesweep and the example to conform (more closely) to the naming conventions pirms 10 gadiem
synth_tonesweep.h Fix up synth_tonesweep and the example to conform (more closely) to the naming conventions pirms 10 gadiem
synth_waveform.cpp Add arbitrary waveform and offset to AudioSynthWaveform pirms 10 gadiem
synth_waveform.h Add waveform documentation pirms 10 gadiem
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. pirms 10 gadiem
synth_whitenoise.cpp Add AudioSynthNoiseWhite pirms 10 gadiem
synth_whitenoise.h Add AudioSynthNoiseWhite pirms 10 gadiem

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.