Beat Repeater with Sidechain Beat Recognation and Midi-Clock Sync.
Very useful i.e to add musical diversity by looping short parts of the stream (i.e drums).
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Features:
- Repeat the last loop of the stream according to the beats.
- Beat detection from audio sidechain click track
- Beat detection from Midi-Clock
- BPM Slider to set the tempo manually
- Very simple Tap Tempo if needed (no average)
- Loop one or two bars
- Midi Controllable In/Out
- Loop divider Slider Control (to switch loop lenght during the loop)
- Loop x3 Mode for Triplets (with Midi LED Feedback)
- The REPEAT! checkbox is usable as Momentary or Toggle
Demo: https://youtu.be/C38gep4vkm8?t=6m17s
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Inputs/Outputs:
- Audio Outputs (L,R)
- Audio Inputs (L,R, Sidechain)
- Midi Input: for Midi-Clock and External Controllers
- Midi Output : for External Controller LED Lightning
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Midi Controls (on Midi Channel 1):
- REPEAT! [midi : ctrl 111] - with Midi LED Feedback on ctrl 111
- Use BPM Slider instead of SC/MC sync [midi : ctrl 39]
- BPM Slider [midi : ctrl 23]
- Loop Divider Selector [midi : ctrl 29]
- Set Loop Divider Value x3 [midi : ctrl 110] - with Midi LED Feedback on ctrl 110
To change the Midi Controls simply edit the source file and recompile.
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Build/Install:
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Use the Faust Online Compiler to compile it as Standalone Jack Application or Audio Plugin (LV2, VST, etc): http://faust.grame.fr/compiler
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This software was tested only with Linux JackQT Faust Compiler.
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Or compile them simply with (you'll need to install the Faust Compiler):
- $ faust2jaqt -midi SuperBeatRepeater.dsp
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To Start:
- $ ./SuperBeatRepeater
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Get Started with SuperBeatRepeater and SuperCutSequencer:
You will need to send Midi-Clock to SuperBeatRepeater & SuperCutSequencer. Use a Midi-Clock generator like jack_midi_clock (on GNU/Linux). You also need to set the tempo (bpm) to Jack Transport (which will be used by the Midi-Clock). Use any Jack-able Sequencer for that (Hydrogen, Ardour,...). If you want to use them with an Hardware Midi Controller you'll need to use the a2jmidid -e Bridge.
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$ qjackctl &
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(Start the Jack Server)
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$ jack_midi_clock &
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$ a2jmidid -e &
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Start SuperBeatRepeater & SuperCutSequencer from the build folder :
- $ ./SuperBeatRepeater
- $ ./SuperCutSequencer
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Launch the Sequencer (i.e Hydrogen) in Jack Transport Master mode.
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Connect jack_midi_clock to SuperBeatRepeater & SuperCutSequencer (via Jack Midi). The song tempo (bpm) of the Sequencer musst be displayed in QjackCtl.
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Connect the Audio outputs of the Sequencer (or whatever sound source) to SuperBeatRepeater and/or SuperCutSequencer. (For instance, The drums to SuperBeatRepeater and the bass to SuperCutSequencer.)
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Start Jack Transport (Play Button)
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If the "Midi-Clock" checkboxes in SuperBeatRepeater & SuperCutSequencer are blinking (recieving Midi-Clock signal) and the "Start/Stop" checkboxes are checkt automatically (by Midi-Clock Start/Stop messages), then everything should work fine.
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If you have a Midi Controller with LEDs (i.e LaunchControl XL, NanoKontrol,...), connect the Midi Inputs and Outputs to SuperBeatRepeater & SuperCutSequencer (via Jack Midi / a2jmidid)