bitwiz_tutorial

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#BitWiz with FX
[BitWiz](bitwiz) is an app that creates sounds using [bytebeat code](http://canonical.org/~kragen/bytebeat/) the user can enter into the app. The variables for the code in the video has eight letters (x, y, a, b, m, n, u, and v) which are all controlled via MIDI CC sent out from [Photon AU](photon_au).
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BitWiz with effects video.
{{youtube>oZPB0sJRe1Q?large|BitWiz with Fx}}
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You can strongly influence the [bpm](wiki_author/tags/bpm) of the sounds generated by the code by using a MIDI source where you control the bpm of the CC messages sent to control code variables. When BitWiz is hosted in an IAA app like [AUM](aum_audio_mixer), changing the host’s bpm will then trickle down thru your MIDI control app and then onto BitWiz.
##Bytebeat Code
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r=1*(x+a+m+u)/(y+b+n+v), z=(t*((x/2)+1) % (32-y)|z/t)|
(t*((a/64)+1) % (4-b)|z/t)|
(t*((m/8)+1) % (128-n)|z/t)|
(t*((u/256)+1) % (16-v)|z/t)
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##Setup in AUM

[Photon AU](photon_au) using the *BWbass01.mid* file going out on the first pad it’s loaded on to control BitWiz using 8 MIDI CC values assigned to 8 variables in the BitWiz equation. MIDI CC 17 on channel 1 has been assigned to toggle the audio output between just the output from BitWiz and the effected output from BitWiz.

[FAC Bandit](fac_bandit) is set on *ll Vechio Warmer Mix* preset, [FAC Envolver](fac_envolver) adds gating with *SQ BrB Dub Style* preset, [Perforator](perforator) adds more gating with the *Rapido* preset, [BLEASS delay](bleass_delay) adds delay with the *Time Explorer* preset and finally some saturation is added with [Limiter-Audio Processor](limiter_audio_processor).

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{{tag> BitWiz MIDI bytebeat tutorial gate video}}