PaulStoffregen 9bcfe36a21 Add Delay example		10 лет назад
examples	Add Delay example	10 лет назад
gui	Add Delay example	10 лет назад
utility	Make input ADC and output DAC play nicely together	10 лет назад
Audio.h	Add AudioRecordQueue (work in progress)	10 лет назад
AudioControl.h	Add AudioSynthWaveformSine	10 лет назад
README.md	Update readme still yet again	10 лет назад
analyze_fft256.cpp	Add proper API to FFT objects	10 лет назад
analyze_fft256.h	Simplify & document SGTL5000 control	10 лет назад
analyze_fft1024.cpp	Add proper API to FFT objects	10 лет назад
analyze_fft1024.h	Add proper API to FFT objects	10 лет назад
analyze_peak.cpp	Change peak detect API to conform to library conventions	10 лет назад
analyze_peak.h	Change peak detect API to conform to library conventions	10 лет назад
analyze_print.cpp	Change AudioAnalyzePrint name API	10 лет назад
analyze_print.h	Change AudioAnalyzePrint name API	10 лет назад
analyze_tonedetect.cpp	mode documentation in the GUI	10 лет назад
analyze_tonedetect.h	Add MIT license	10 лет назад
control_sgtl5000.cpp	Simplify & document SGTL5000 control	10 лет назад
control_sgtl5000.h	Document sgtl5000	10 лет назад
control_wm8731.cpp	Update WM8731 example	10 лет назад
control_wm8731.h	Update WM8731 example	10 лет назад
data_ulaw.c	Add missing open source license headers	10 лет назад
data_waveforms.c	Remove old AudioSynthWaveform	10 лет назад
data_windows.c	Add other window types for 1024 point FFT	10 лет назад
effect_chorus.cpp	Change Chrous effect to one channel	10 лет назад
effect_chorus.h	remove unimplemented stop()	10 лет назад
effect_delay.cpp	Remove unused multiplier	10 лет назад
effect_delay.h	Add AudioEffectDelay	10 лет назад
effect_envelope.cpp	Add AudioEffectEnvelope	10 лет назад
effect_envelope.h	Add AudioEffectEnvelope	10 лет назад
effect_fade.cpp	Add MIT license	10 лет назад
effect_fade.h	Add MIT license	10 лет назад
effect_flange.cpp	Change Flange effect to one channel	10 лет назад
effect_flange.h	remove unimplemented stop()	10 лет назад
effect_multiply.cpp	Add AudioEffectMultiply	10 лет назад
effect_multiply.h	Add AudioEffectMultiply	10 лет назад
filter_biquad.cpp	Improve Biquad filter	10 лет назад
filter_biquad.h	Improve Biquad filter	10 лет назад
filter_fir.cpp	Impove and document FIR filter	10 лет назад
filter_fir.h	Impove and document FIR filter	10 лет назад
filter_fir.md	Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file	10 лет назад
filter_variable.cpp	Add credits/references for numerical approximation algorithms	10 лет назад
filter_variable.h	Finish AudioFilterStateVariable (signal control of corner frequency)	10 лет назад
input_adc.cpp	Remove old debugging stuff from AudioInputAnalog	10 лет назад
input_adc.h	Allow AudioInputAnalog to use different pins	10 лет назад
input_i2s.cpp	Avoid allocating unneeded DMA channels	10 лет назад
input_i2s.h	Use DMAChannel begin()	10 лет назад
keywords.txt	Improve Biquad filter	10 лет назад
mixer.cpp	Add MIT license	10 лет назад
mixer.h	Add MIT license	10 лет назад
multiplier.md	Add a multiplier (by rheslip)	10 лет назад
new_objects.md	change format for new_objects files	11 лет назад
output_dac.cpp	Avoid allocating unneeded DMA channels	10 лет назад
output_dac.h	Use DMAChannel begin()	10 лет назад
output_i2s.cpp	Avoid allocating unneeded DMA channels	10 лет назад
output_i2s.h	Use DMAChannel begin()	10 лет назад
output_pwm.cpp	Avoid allocating unneeded DMA channels	10 лет назад
output_pwm.h	Make input ADC and output DAC play nicely together	10 лет назад
play_memory.cpp	Add status and position functions to AudioPlayMemory	10 лет назад
play_memory.h	Add status and position functions to AudioPlayMemory	10 лет назад
play_queue.cpp	Add AudioPlayQueue	10 лет назад
play_queue.h	Add AudioPlayQueue	10 лет назад
play_sd_raw.cpp	register SPI interrupt when playing WAV & RAW files	10 лет назад
play_sd_raw.h	Fix status functions in AudioPlaySdRaw	10 лет назад
play_sd_wav.cpp	WAV header parse for 44100	10 лет назад
play_sd_wav.h	Fix audible click at end of Wav file playing	10 лет назад
record_queue.cpp	Finish AudioRecordQueue and Record example	10 лет назад
record_queue.h	Finish AudioRecordQueue and Record example	10 лет назад
spi_interrupt.cpp	Add SPI interrupt registration layer	10 лет назад
spi_interrupt.h	register SPI interrupt when playing WAV & RAW files	10 лет назад
synth_dc.cpp	Add AudioSynthWaveformDc	10 лет назад
synth_dc.h	simplify overflow checks somewhat	10 лет назад
synth_pinknoise.cpp	Clean up harmless compiler warnings	10 лет назад
synth_pinknoise.h	Add AudioSynthNoisePink	10 лет назад
synth_sine.cpp	Add MemoryAndCpuUsage example	10 лет назад
synth_sine.h	Add phase() to waveform objects	10 лет назад
synth_tonesweep.cpp	Fix up synth_tonesweep and the example to conform (more closely) to the naming conventions	10 лет назад
synth_tonesweep.h	Clean up harmless compiler warnings	10 лет назад
synth_waveform.cpp	Add simple pulse waveform	10 лет назад
synth_waveform.h	Clean up harmless compiler warnings	10 лет назад
synth_waveform.md	Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave.	10 лет назад
synth_whitenoise.cpp	Fix multiple white noise instances	10 лет назад
synth_whitenoise.h	Fix multiple white noise instances	10 лет назад

README.md

Teensy Audio Library

16 bit, 44.1 kHz streaming audio library for Teensy 3.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/

Supported Hardware

Audio Adaptor Board for 16 bit stereo input and output.

Teensy 3.1 12 bit DAC

Teensy 3.1 or 3.0 ADC Input

Teensy 3.1 or 3.0 PWM Output