diff --git a/examples/Effects/Delay/Delay.ino b/examples/Effects/Delay/Delay.ino new file mode 100644 index 00000000..23e97ff6 --- /dev/null +++ b/examples/Effects/Delay/Delay.ino @@ -0,0 +1,60 @@ +// Delay demonstration example, Teensy Audio Library +// http://www.pjrc.com/teensy/td_libs_Audio.html +// +// Creates a chirp on the left channel, then +// three delayed copies on the right channel. +// +// Requires the audio shield: +// http://www.pjrc.com/store/teensy3_audio.html +// +// This example code is in the public domain. + +#include +#include +#include +#include + +// GUItool: begin automatically generated code +AudioSynthWaveformSine sine1; //xy=158,74 +AudioEffectEnvelope envelope1; //xy=232,156 +AudioEffectDelay delay1; //xy=393,238 +AudioMixer4 mixer1; //xy=532,205 +AudioOutputI2S i2s1; //xy=611,61 +AudioConnection patchCord1(sine1, envelope1); +AudioConnection patchCord2(envelope1, delay1); +AudioConnection patchCord3(envelope1, 0, i2s1, 0); +AudioConnection patchCord4(delay1, 0, mixer1, 0); +AudioConnection patchCord5(delay1, 1, mixer1, 1); +AudioConnection patchCord6(delay1, 2, mixer1, 2); +AudioConnection patchCord7(delay1, 3, mixer1, 3); +AudioConnection patchCord8(mixer1, 0, i2s1, 1); +AudioControlSGTL5000 sgtl5000_1; //xy=195,272 +// GUItool: end automatically generated code + +void setup() { + // allocate enough memory for the delay + AudioMemory(120); + + // enable the audio shield + sgtl5000_1.enable(); + sgtl5000_1.volume(0.5); + + // configure a sine wave for the chirp + // the original is turned on/off by an envelope effect + // and output directly on the left channel + sine1.frequency(1000); + sine1.amplitude(0.5); + + // create 3 delay taps, which connect through a + // mixer to the right channel output + delay1.delay(0, 110); + delay1.delay(1, 220); + delay1.delay(2, 330); +} + +void loop() { + envelope1.noteOn(); + delay(36); + envelope1.noteOff(); + delay(4000); +} diff --git a/gui/list.html b/gui/list.html index de79ecc4..b35e636c 100644 --- a/gui/list.html +++ b/gui/list.html @@ -1521,9 +1521,9 @@

Functions

silent. If this channel is the longest delay, memory usage is automatically reduced to accomodate only the remaining channels used.

- +

Examples

+

File > Examples > Audio > Effects > Delay +

Notes

Memory for the delayed signal is take from the memory pool allocated by AudioMemory().