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teensy-audio
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PaulStoffregen 9901efdd73 Improve AudioInputAnalog DC blocking filter 11 年前
examples Update SpectrumAnalyzerBasic example 11 年前
gui GUI: reenable input ports when other objects driving them are deleted 11 年前
utility Make input ADC and output DAC play nicely together 11 年前
Audio.h Add AudioRecordQueue (work in progress) 11 年前
AudioControl.h Add AudioSynthWaveformSine 11 年前
README.md Update readme 11 年前
analyze_fft256.cpp Add proper API to FFT objects 11 年前
analyze_fft256.h Simplify & document SGTL5000 control 11 年前
analyze_fft1024.cpp Add proper API to FFT objects 11 年前
analyze_fft1024.h Add proper API to FFT objects 11 年前
analyze_peak.cpp Change peak detect API to conform to library conventions 11 年前
analyze_peak.h Change peak detect API to conform to library conventions 11 年前
analyze_print.cpp Change AudioAnalyzePrint name API 11 年前
analyze_print.h Change AudioAnalyzePrint name API 11 年前
analyze_tonedetect.cpp mode documentation in the GUI 11 年前
analyze_tonedetect.h Add MIT license 11 年前
control_sgtl5000.cpp Simplify & document SGTL5000 control 11 年前
control_sgtl5000.h Update SGTL5000 keywords 11 年前
control_wm8731.cpp Update WM8731 example 11 年前
control_wm8731.h Update WM8731 example 11 年前
data_ulaw.c Add missing open source license headers 11 年前
data_waveforms.c Remove old AudioSynthWaveform 11 年前
data_windows.c Add other window types for 1024 point FFT 11 年前
effect_chorus.cpp Change Chrous effect to one channel 11 年前
effect_chorus.h remove unimplemented stop() 11 年前
effect_delay.cpp Remove unused multiplier 11 年前
effect_delay.h Add AudioEffectDelay 11 年前
effect_envelope.cpp Add AudioEffectEnvelope 11 年前
effect_envelope.h Add AudioEffectEnvelope 11 年前
effect_fade.cpp Add MIT license 11 年前
effect_fade.h Add MIT license 11 年前
effect_flange.cpp Change Flange effect to one channel 11 年前
effect_flange.h remove unimplemented stop() 11 年前
effect_multiply.cpp Add AudioEffectMultiply 11 年前
effect_multiply.h Add AudioEffectMultiply 11 年前
filter_biquad.cpp Improve Biquad filter 11 年前
filter_biquad.h Improve Biquad filter 11 年前
filter_fir.cpp Impove and document FIR filter 11 年前
filter_fir.h Impove and document FIR filter 11 年前
filter_fir.md Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file 11 年前
filter_variable.cpp Add credits/references for numerical approximation algorithms 11 年前
filter_variable.h Finish AudioFilterStateVariable (signal control of corner frequency) 11 年前
input_adc.cpp Improve AudioInputAnalog DC blocking filter 11 年前
input_adc.h Make input ADC and output DAC play nicely together 11 年前
input_i2s.cpp Avoid allocating unneeded DMA channels 11 年前
input_i2s.h Use DMAChannel begin() 11 年前
keywords.txt Improve Biquad filter 11 年前
mixer.cpp Add MIT license 11 年前
mixer.h Add MIT license 11 年前
multiplier.md Add a multiplier (by rheslip) 11 年前
new_objects.md change format for new_objects files 11 年前
output_dac.cpp Avoid allocating unneeded DMA channels 11 年前
output_dac.h Use DMAChannel begin() 11 年前
output_i2s.cpp Avoid allocating unneeded DMA channels 11 年前
output_i2s.h Use DMAChannel begin() 11 年前
output_pwm.cpp Avoid allocating unneeded DMA channels 11 年前
output_pwm.h Make input ADC and output DAC play nicely together 11 年前
play_memory.cpp Add status and position functions to AudioPlayMemory 11 年前
play_memory.h Add status and position functions to AudioPlayMemory 11 年前
play_queue.cpp Add AudioPlayQueue 11 年前
play_queue.h Add AudioPlayQueue 11 年前
play_sd_raw.cpp Disable interrupts while opening files from SD card 11 年前
play_sd_raw.h Fix status functions in AudioPlaySdRaw 11 年前
play_sd_wav.cpp Fix audible click at end of Wav file playing 11 年前
play_sd_wav.h Fix audible click at end of Wav file playing 11 年前
record_queue.cpp Finish AudioRecordQueue and Record example 11 年前
record_queue.h Finish AudioRecordQueue and Record example 11 年前
synth_dc.cpp Add AudioSynthWaveformDc 11 年前
synth_dc.h simplify overflow checks somewhat 11 年前
synth_pinknoise.cpp Clean up harmless compiler warnings 11 年前
synth_pinknoise.h Add AudioSynthNoisePink 11 年前
synth_sine.cpp Add MemoryAndCpuUsage example 11 年前
synth_sine.h Add phase() to waveform objects 11 年前
synth_tonesweep.cpp Fix up synth_tonesweep and the example to conform (more closely) to the naming conventions 11 年前
synth_tonesweep.h Clean up harmless compiler warnings 11 年前
synth_waveform.cpp Add simple pulse waveform 11 年前
synth_waveform.h Clean up harmless compiler warnings 11 年前
synth_waveform.md Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave. 11 年前
synth_whitenoise.cpp Fix multiple white noise instances 11 年前
synth_whitenoise.h Fix multiple white noise instances 11 年前

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.