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PaulStoffregen f7f896195a Impove and document FIR filter il y a 10 ans
examples Impove and document FIR filter il y a 10 ans
gui Impove and document FIR filter il y a 10 ans
utility Make input ADC and output DAC play nicely together il y a 10 ans
Audio.h Add AudioRecordQueue (work in progress) il y a 10 ans
AudioControl.h Add AudioSynthWaveformSine il y a 10 ans
README.md Update readme il y a 10 ans
analyze_fft256.cpp Add proper API to FFT objects il y a 10 ans
analyze_fft256.h Simplify & document SGTL5000 control il y a 10 ans
analyze_fft1024.cpp Add proper API to FFT objects il y a 10 ans
analyze_fft1024.h Add proper API to FFT objects il y a 10 ans
analyze_peak.cpp Change peak detect API to conform to library conventions il y a 10 ans
analyze_peak.h Change peak detect API to conform to library conventions il y a 10 ans
analyze_print.cpp Change AudioAnalyzePrint name API il y a 10 ans
analyze_print.h Change AudioAnalyzePrint name API il y a 10 ans
analyze_tonedetect.cpp mode documentation in the GUI il y a 10 ans
analyze_tonedetect.h Add MIT license il y a 10 ans
control_sgtl5000.cpp Simplify & document SGTL5000 control il y a 10 ans
control_sgtl5000.h Update SGTL5000 keywords il y a 10 ans
control_wm8731.cpp Add MIT license to last few files il y a 10 ans
control_wm8731.h Add MIT license to last few files il y a 10 ans
data_ulaw.c Add missing open source license headers il y a 10 ans
data_waveforms.c Remove old AudioSynthWaveform il y a 10 ans
data_windows.c Add other window types for 1024 point FFT il y a 10 ans
effect_chorus.cpp Change Chrous effect to one channel il y a 10 ans
effect_chorus.h Change Chrous effect to one channel il y a 10 ans
effect_delay.cpp Remove unused multiplier il y a 10 ans
effect_delay.h Add AudioEffectDelay il y a 10 ans
effect_envelope.cpp Add AudioEffectEnvelope il y a 10 ans
effect_envelope.h Add AudioEffectEnvelope il y a 10 ans
effect_fade.cpp Add MIT license il y a 10 ans
effect_fade.h Add MIT license il y a 10 ans
effect_flange.cpp Change Flange effect to one channel il y a 10 ans
effect_flange.h Change Flange effect to one channel il y a 10 ans
effect_multiply.cpp Add AudioEffectMultiply il y a 10 ans
effect_multiply.h Add AudioEffectMultiply il y a 10 ans
filter_biquad.cpp Improve Biquad filter il y a 10 ans
filter_biquad.h Improve Biquad filter il y a 10 ans
filter_fir.cpp Impove and document FIR filter il y a 10 ans
filter_fir.h Impove and document FIR filter il y a 10 ans
filter_fir.md Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file il y a 10 ans
filter_variable.cpp Add credits/references for numerical approximation algorithms il y a 10 ans
filter_variable.h Finish AudioFilterStateVariable (signal control of corner frequency) il y a 10 ans
input_adc.cpp Avoid allocating unneeded DMA channels il y a 10 ans
input_adc.h Make input ADC and output DAC play nicely together il y a 10 ans
input_i2s.cpp Avoid allocating unneeded DMA channels il y a 10 ans
input_i2s.h Use DMAChannel begin() il y a 10 ans
keywords.txt Improve Biquad filter il y a 10 ans
mixer.cpp Add MIT license il y a 10 ans
mixer.h Add MIT license il y a 10 ans
multiplier.md Add a multiplier (by rheslip) il y a 10 ans
new_objects.md change format for new_objects files il y a 11 ans
output_dac.cpp Avoid allocating unneeded DMA channels il y a 10 ans
output_dac.h Use DMAChannel begin() il y a 10 ans
output_i2s.cpp Avoid allocating unneeded DMA channels il y a 10 ans
output_i2s.h Use DMAChannel begin() il y a 10 ans
output_pwm.cpp Avoid allocating unneeded DMA channels il y a 10 ans
output_pwm.h Make input ADC and output DAC play nicely together il y a 10 ans
play_memory.cpp Add status and position functions to AudioPlayMemory il y a 10 ans
play_memory.h Add status and position functions to AudioPlayMemory il y a 10 ans
play_queue.cpp Add AudioPlayQueue il y a 10 ans
play_queue.h Add AudioPlayQueue il y a 10 ans
play_sd_raw.cpp Disable interrupts while opening files from SD card il y a 10 ans
play_sd_raw.h Fix status functions in AudioPlaySdRaw il y a 10 ans
play_sd_wav.cpp Disable interrupts while opening files from SD card il y a 10 ans
play_sd_wav.h WAV file parsing to handle extended format headers il y a 10 ans
record_queue.cpp Finish AudioRecordQueue and Record example il y a 10 ans
record_queue.h Finish AudioRecordQueue and Record example il y a 10 ans
synth_dc.cpp Add AudioSynthWaveformDc il y a 10 ans
synth_dc.h simplify overflow checks somewhat il y a 10 ans
synth_pinknoise.cpp Clean up harmless compiler warnings il y a 10 ans
synth_pinknoise.h Add AudioSynthNoisePink il y a 10 ans
synth_sine.cpp Add MemoryAndCpuUsage example il y a 10 ans
synth_sine.h Add phase() to waveform objects il y a 10 ans
synth_tonesweep.cpp Fix up synth_tonesweep and the example to conform (more closely) to the naming conventions il y a 10 ans
synth_tonesweep.h Clean up harmless compiler warnings il y a 10 ans
synth_waveform.cpp Add simple pulse waveform il y a 10 ans
synth_waveform.h Clean up harmless compiler warnings il y a 10 ans
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. il y a 10 ans
synth_whitenoise.cpp Fix multiple white noise instances il y a 10 ans
synth_whitenoise.h Fix multiple white noise instances il y a 10 ans

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.