Realtime Csound Examples

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All examples are tested on Csound5. A minimum screen size of 1024x768 is recommended.
The entire catalogue of 94 example .csd files (minus source sounds, analysis files etc.) can be downloaded here
or as individual examples as follows:

• 3D Audio
  
  • hrtfer.csd - Creates binaural 3D effects. Uses an HRTF data file (included with the download or from ftp://ftp.cs.bath.ac.uk/pub/dream/utilities/Analysis/HRTFcompact ) and the sound file Bounce.wav.
• Additive Synthesis
  
  • HarmonicAdditiveSynthesis1.csd - Simple 10 harmonic additive synthesis.
  • HarmonicAdditiveSynthesis2.csd - 30 harmonic additive synthesis with additional features .
  • InharmonicAdditiveSynthesis.csd - 10 partial inharmonic additive synthesis with individual envelopes on eack partial.
• Delays
  
  • 01delayw_delayr_deltap.csd - Demonstration of the delayw, delayr and deltap opcodes to create a simple delay. Uses the sound file 808loop.wav.
  • 02delayportamento.csd - The above example with portamento applied to the delay time parameter to create pitch bending effects. Uses the sound file 808loop.wav.
  • 03delayfeedback.csd - The above example with the addition of a feedback loop. Uses the sound file 808loop.wav.
  • 04delayfiltersinloop.csd - The above example with the addition of filters within the feedback loop. Uses the sound file 808loop.wav.
  • 05delayflanger.csd - Demonstration of how to create a flanger effect using a tapped delay with feedback and an LFO. Uses the sound file 808loop.wav.
  • 06delayThruZeroFlanger.csd - Demonstration of how to create a 'through zero' flanger effect. Uses the sound file 808loop.wav.
  • 07delayStereoChorus.csd - Demonstration of how to create a stereo chorus effect using modulated delays.
  • 08delaySimplePitchShifter.csd - Demonstration of how to create a simple pitch shifter effect using a modulated delay. Uses the sound file AndItsAll.wav.
  • 09delayCompletedPitchShifter.csd - A more refined pitch shifter effect using dual modulated delays. Uses the sound file AndItsAll.wav.
• FFT
  
  • pvoc.csd - Demonstration of the pvoc opcode. Uses the analysis files AndItsAll.pvx and 808loopMono.pvx.
  • pvadd.csd - Demonstration of the pvadd opcode. Uses the analysis files AndItsAll.pvx and 808loopMono.pvx.
• Filters
  
  • areson.csd - Demonstration of the areson band reject filter opcode. Uses the sound file Seashore.wav.
  • atone.csd - Demonstration of the atone high pass filter opcode. Uses the sound file Seashore.wav.
  • atonex.csd - Demonstration of the atonex high pass filter filter opcode. Uses the sound file Seashore.wav.
  • bqrez.csd - Demonstration of the bqrez multi-mode filter opcode. Uses the sound file Seashore.wav.
  • butterbp.csd - Demonstration of the butterbp band pass filter opcode. Uses the sound file Seashore.wav.
  • butterbr.csd - Demonstration of the butterbr band reject filter opcode. Uses the sound file Seashore.wav.
  • butterhp.csd - Demonstration of the butterhp high pass filter opcode. Uses the sound file Seashore.wav.
  • butterlp.csd - Demonstration of the butterlp low pass filter opcode. Uses the sound file Seashore.wav.
  • clfilt.csd - Demonstration of the clfilt multi-mode filter opcode. Uses the sound file Seashore.wav.
  • lowpass2.csd - Demonstration of the lowpass2 low pass filter opcode. Uses the sound file Seashore.wav.
  • lowres.csd - Demonstration of the lowres low pass filter opcode. Uses the sound file Seashore.wav.
  • lowresx.csd - Demonstration of the lowresx low pass filter opcode. Uses the sound file Seashore.wav.
  • lpf18.csd - Demonstration of the lpf18 low pass filter opcode.
  • moogladder.csd - Demonstration of the moogladder low pass filter opcode.
  • moogvcf.csd - Demonstration of the moogvcf low pass filter opcode.
  • reson.csd - Demonstration of the reson band pass filter opcode. Uses the sound file Seashore.wav.
  • tbvcf.csd - Demonstration of the tbvcf low pass filter opcode.
  • tone.csd - Demonstration of the tone low pass filter opcode. Uses the sound file Seashore.wav.
  • tonex.csd - Demonstration of the tonex low pass filter opcode. Uses the sound file Seashore.wav.
  • vlowres.csd - Demonstration of the vlowres low pass filter opcode. Uses the sound file Seashore.wav.
• FLTK
  
  • 01FLPanel.csd - Demonstration of how to create an FLTK panel.
  • 02FLSlider.csd - Demonstration of how to create an FLTK slider.
  • 03FLKnob.csd - Demonstration of how to create an FLTK knob.
  • 04FLRoller.csd - Demonstration of how to create an FLTK roller.
  • 05FLtext.csd - Demonstration of how to create a modifiable FLTK number field.
  • 06FLjoy.csd - Demonstration of how to create an FLTK X-Y joystick panel.
  • 07FLcount.csd - Demonstration of how to create an FLTK counter.
  • 08FLtabsFLgroup.csd - Demonstration of how to create an FLTK tabs. Also introduces the FLgroup and FLgroupEnd.
  • 09FLsetVal_i.csd - Demonstration of how to set the initial value of an FLTK valuator.
  • 10FLbutton.csd - Demonstration of how to create and use FLTK buttons.
  • 11FLbox.csd - Demonstration of how to create an FLTK text box.
  • 12FLscroll.csd - Demonstration of how to create FLTK scroll bars.
  • 13FLvalue.csd - Demonstration of how to create an FLTK value readout box.
  • 14FLsetColor.csd - Demonstration of how to colorize FLTK widgets.
  • MIDI_FLTK_Combined.csd - Demonstration of how to simultaneously use implement FLTK and MIDI control of the same parameter.
  • RandomMovingSlider.csd - An automated FLTK slider is driven by random functions.
  • SliderMultiVariable.csd - A single slider outputs 3 simultaneous different ranges.
  • SliderNonLinear.csd - An FLTK slider's output is rescaled to provide an irregularly moving output.
  • SlidersHorizontal.csd - A look at the different horizontal sliders on offer.
  • SlidersVertical.csd - A look at the different vertical sliders on offer.
  • Snapshots.csd - A demonstration of how to implement FLTK snapshots. Based on an example written by Gabriel Maldonado.
• FM Synthesis
  
  • 01FMSynthesisVibratoToSideBands.csd - Demonstration of how FM synthesis sidebands emerge from an implementation of vibrato upon a sine wave.
  • 02SimpleModulatorCarrier.csd - Simple implementation of an FM synthesis carrier-modulator pair.
  • 03ModulatorCarrier.csd - A more refined implementation of an FM synthesis carrier-modulator pair that introduces the typical parameters of FM synthesis.
  • 04ModulatorCarrierWithEnvelopes.csd - An FM synthesis carrier-modulator pair with user definable envlopes on FM index and carrier amplitude. MIDI controllable.
  • 05_2xModulatorCarrierWithEnvelopes.csd - An implementation of a two modulators and a single carrier FM algorithm. MIDI controllable. Includes a file of snapshots. 05_2xModulatorCarrierWithEnvelopes.snap
• Granular Synthesis
  
  • fof.csd - Simple demonstration of the fof opcode.
  • fofx6.csd - Full demonstration of the fof opcode used to imitate the vocal vowel sounds of various voices. MIDI controllable.
  • fog.csd - Demonstration of the fog opcode. Uses the sound file AndItsAll.wav.
  • grain3.csd - Demonstration of the grain3 opcode. Uses the sound file AndItsAll.wav.
  • granule.csd - Demonstration of the granule opcode. Uses the sound file AndItsAll.wav.
  • sndwarp.csd - Demonstration of the sndwarp opcode. Uses the sound file AndItsAll.wav.
  • syncgrain.csd - Demonstration of the syncgrain opcode. Uses the sound file AndItsAll.wav.
  • fof.csd - Demonstration of the fof opcode. Uses the sound files AndItsAll.wav and 808loop.wav.
• MIDI Synthesizer Models
  
  • Coming soon!
• MiscellaneousWaveformOscillators
  
  • buzz.csd - Demonstration of the buzz opcode.
  • gbuzz.csd - Demonstration of the gbuzz opcode.
  • vco.csd - Demonstration of the vco opcode.
  • vco_with_PWM_LFO_and_LPF.csd - Demonstration of the vco opcode with the addition of a pulse width modulation LFO and a moogvcf resonant low pass filter.
• Physical Models
  
  • bamboo.csd - Demonstration of the bamboo opcode. A physical model of a bamboo shaker.
  • dripwater.csd - Demonstration of the dripwater opcode. A physical model of a drip of water.
  • guiro.csd - Demonstration of the guiro opcode. A physical model of a guiro.
  • sekere.csd - Demonstration of the sekere opcode. A physical model of a sekere shaker.
  • sleighbells.csd - Demonstration of the sleighbells opcode. A physical model of a sleighbells instrument.
  • tambourine.csd - Demonstration of the tambourine opcode. A physical model of a tambourine.
  • wgbow.csd - Demonstration of the wgbow opcode. A physical model of a bowed string.
  • wgbowedbar.csd - Demonstration of the wgbowedbar opcode. A physical model of a bowed bar.
  • wgclar.csd - Demonstration of the wgclar opcode. A physical model of a clarinet.
  • wgflute.csd - Demonstration of the wgflute opcode. A physical model of a flute.
  • wgpluck2.csd - Demonstration of the wgpluck2 opcode. A physical model of a plucked string using the Kerpluss-Strong algorithm.
  • pluck.csd - Demonstration of the pluck opcode. A physical model of a plucked string using the Kerpluss-Strong algorithm.
• Reverbs
  
  • babo.csd - Demonstration of the babo 'ball in a box' reverb opcode. Uses the sound file 808loop.wav.
  • freeverb.csd - Demonstration of the freeverb reverb opcode. Uses the sound file 808loop.wav.
  • nreverb.csd - Demonstration of the nreverb reverb opcode. Uses the sound file 808loop.wav.
  • reverb.csd - Demonstration of the reverb reverb opcode. Uses the sound file 808loop.wav.
  • screverb.csd - Demonstration of the screverb reverb opcode. Uses the sound file 808loop.wav.
• Sound File Playback
  
  • flooper2.csd - Demonstration of the flooper2 looping sound file playback opcode. Uses the sound files AndItsAll.wav and 808loop.wav.
• Specialized Filters
  
  • Phaser1.csd - Demonstration of the phaser1 complex filtering opcode. Uses the sound file Seashore.wav.
  • Phaser2.csd - Demonstration of the phaser2 complex filtering opcode. Uses the sound file Seashore.wav.

Please report errors and comments to i_mccurdy@hotmail.com