PaulStoffregen f6405adb1a Update tutorial examples		9年前
examples	Update tutorial examples	9年前
extras/wav2sketch	Move wav2sketch to extras folder, avoids problem with Arduino 1.6.6	9年前
gui	Move misc files to subdirs	9年前
utility	Fix some Teensy-LC compiler errors	9年前
Audio.h	Begin work on AudioEffectDelayExternal...	9年前
AudioControl.h	Add AudioSynthWaveformSine	10年前
README.md	Update readme still yet again	10年前
analyze_fft256.cpp	Initial work on FFT256 for Teensy-LC (untested)	9年前
analyze_fft256.h	Fix FFT read range (now inclusive)	9年前
analyze_fft1024.cpp	Fix some Teensy-LC compiler errors	9年前
analyze_fft1024.h	Fix FFT read range (now inclusive)	9年前
analyze_peak.cpp	Change peak detect API to conform to library conventions	10年前
analyze_peak.h	Change peak detect API to conform to library conventions	10年前
analyze_print.cpp	Change AudioAnalyzePrint name API	10年前
analyze_print.h	Change AudioAnalyzePrint name API	10年前
analyze_tonedetect.cpp	Fix more Teensy-LC compiler errors	9年前
analyze_tonedetect.h	Add MIT license	10年前
control_sgtl5000.cpp	Simplify & document SGTL5000 control	10年前
control_sgtl5000.h	Document sgtl5000	10年前
control_wm8731.cpp	Update WM8731 example	10年前
control_wm8731.h	Update WM8731 example	10年前
data_ulaw.c	Add missing open source license headers	10年前
data_waveforms.c	Remove old AudioSynthWaveform	10年前
data_windows.c	Add other window types for 1024 point FFT	10年前
effect_bitcrusher.cpp	Fix compiler warning	9年前
effect_bitcrusher.h	Add Bitcrusher effect (thanks Pensive)	9年前
effect_chorus.cpp	Change Chrous effect to one channel	10年前
effect_chorus.h	remove unimplemented stop()	10年前
effect_delay.cpp	Remove unused multiplier	10年前
effect_delay.h	Add AudioEffectDelay	10年前
effect_delay_ext.cpp	Add support for Frank's 6-chip Memoryboard4 (AUDIO_MEMORY_MEMORYBOARD)	9年前
effect_delay_ext.h	Add support for Frank's 6-chip Memoryboard4 (AUDIO_MEMORY_MEMORYBOARD)	9年前
effect_envelope.cpp	Add AudioEffectEnvelope	10年前
effect_envelope.h	Add AudioEffectEnvelope	10年前
effect_fade.cpp	Add MIT license	10年前
effect_fade.h	Add MIT license	10年前
effect_flange.cpp	Change Flange effect to one channel	10年前
effect_flange.h	remove unimplemented stop()	10年前
effect_multiply.cpp	Fix more Teensy-LC compiler errors	9年前
effect_multiply.h	Add AudioEffectMultiply	10年前
filter_biquad.cpp	Fix more Teensy-LC compiler errors	9年前
filter_biquad.h	Improve Biquad filter	10年前
filter_fir.cpp	Impove and document FIR filter	10年前
filter_fir.h	Impove and document FIR filter	10年前
filter_fir.md	Change FIR filter (as suggested by rheslip) to filter one channel instead of two. Updated example, added documenting file	10年前
filter_variable.cpp	Fix more Teensy-LC compiler errors	9年前
filter_variable.h	Finish AudioFilterStateVariable (signal control of corner frequency)	10年前
input_adc.cpp	Fix some Teensy-LC compiler errors	9年前
input_adc.h	Fix AudioInputAnalog	10年前
input_i2s.cpp	Fix more Teensy-LC compiler errors	9年前
input_i2s.h	Use DMAChannel begin()	10年前
keywords.txt	Add keywords	9年前
library.json	Fix JSON syntax	10年前
library.properties	Add library.properties	9年前
mixer.cpp	Fix some Teensy-LC compiler errors	9年前
mixer.h	Fix some Teensy-LC compiler errors	9年前
multiplier.md	Add a multiplier (by rheslip)	10年前
new_objects.md	change format for new_objects files	10年前
output_dac.cpp	Initial work on DAC for Teensy-LC (still incomplete)	9年前
output_dac.h	Initial work on DAC for Teensy-LC (still incomplete)	9年前
output_i2s.cpp	Fix some Teensy-LC compiler errors	9年前
output_i2s.h	Use DMAChannel begin()	10年前
output_pwm.cpp	Fix more Teensy-LC compiler errors	9年前
output_pwm.h	Make input ADC and output DAC play nicely together	10年前
output_spdif.cpp	Fix more Teensy-LC compiler errors	9年前
output_spdif.h	Add keywords	9年前
play_memory.cpp	Add status and position functions to AudioPlayMemory	10年前
play_memory.h	Add status and position functions to AudioPlayMemory	10年前
play_queue.cpp	do not forget - your own addition :-)	10年前
play_queue.h	do not forget - your own addition :-)	10年前
play_sd_raw.cpp	Do not disable all interrupts while opening RAW files	9年前
play_sd_raw.h	Fix status functions in AudioPlaySdRaw	10年前
play_sd_wav.cpp	Fix stereo WAV file startup & end (first and last 3 milliseconds)	9年前
play_sd_wav.h	Fix audible click at end of Wav file playing	10年前
play_serialflash_raw.cpp	remove leftover debug code from AudioPlaySerialflashRaw	9年前
play_serialflash_raw.h	Add AudioPlaySerialflashRaw	9年前
record_queue.cpp	Fix harmless compiler warnings in AudioRecordQueue	10年前
record_queue.h	Finish AudioRecordQueue and Record example	10年前
spi_interrupt.cpp	Add SPI interrupt registration layer	10年前
spi_interrupt.h	register SPI interrupt when playing WAV & RAW files	10年前
synth_dc.cpp	Add AudioSynthWaveformDc	10年前
synth_dc.h	simplify overflow checks somewhat	10年前
synth_pinknoise.cpp	Clean up harmless compiler warnings	10年前
synth_pinknoise.h	Add AudioSynthNoisePink	10年前
synth_sine.cpp	Fix more Teensy-LC compiler errors	9年前
synth_sine.h	Add phase() to waveform objects	10年前
synth_tonesweep.cpp	Fix up synth_tonesweep and the example to conform (more closely) to the naming conventions	10年前
synth_tonesweep.h	Clean up harmless compiler warnings	10年前
synth_waveform.cpp	Add simple pulse waveform	10年前
synth_waveform.h	Clean up harmless compiler warnings	10年前
synth_waveform.md	Fixed AudioSynthWaveform. Uses LUT with linear interpolation for sinewave.	10年前
synth_whitenoise.cpp	Fix more Teensy-LC compiler errors	9年前
synth_whitenoise.h	Fix multiple white noise instances	10年前

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