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Microtuning 0CC-FamiTracker View HTML Version
 

If you've ever wanted to explore the xenharmonic universe via the 2a03 soundcard, this guide is for you.

'[#[Tools]
If you want to use a single tuning throughout your piece, '[l[https://battleofthebits.com/academy/GroupThread/18557/Microtonality+tool+for+0CC+Famitracker/[Sintel's Scala File to Detune Settings Converter] is a tool that accepts '[l[http://www.huygens-fokker.org/scala/scl_format.html[.scl files] and outputs a .csv file, which can then be used to modify the detune settings of an 0CC module.

'[#[Manual Detuning]
If you want to experiment around with shifting between tunings in a single piece, such as using adaptive just intonation, 0CC Famitracker features a linear pitch mode setting that makes tuning intervals across octaves much easier than in vanilla Famitracker.

In linear pitch mode, 0CC Famitracker divides a semitone into 32 (i.e. '[t[mono]0x20'[/t]) equal parts, with a difference of about 3.12 cents each.  Since a pitch offset of '[t[mono]P80'[/t] corresponds to the default tuning, pitch offsets of '[t[mono]P60'[/t] and '[t[mono]PA0'[/t] correspond to one semitone down and up, respectively.  

The following table contains a number of common intervals and their respective '[t[mono]Pxx'[/t] commands.  '[b]Note, however, that the 2a03's sound generators do not have the same degree of precision, especially for high notes, making precise detuning impossible in many cases.'[/b]

'[#[Linear Pitch Offset Table]
'[t[t monofont] .
 .
 .
P70 ======== -1/4 Tone (-50 Cents), 13th Harmonic
P71 
P72
P73
P74
P75
P76 ----- 7th Harmonic
P77 
P78 ======== -1/8 Tone (-25 Cents)
P79
P7A
P7B ----- 5/4 Major Third
P7C ----- 5/3 Major Sixth
P7D
P7E
P7F
P80 ======== Base Tuning (approximates 3/2 P5, 4/3 P4)
P81 ----- 9/8 Major 2nd
P82
P83
P84 ----- 8/5 Minor Sixth
P85 ----- 6/5 Minor Third
P86
P87 ----- Syntonic Comma
P88 ======== +1/8 Tone (+25 Cents)
P89
P8A
P8B
P8C
P8D
P8E
P8F
P90 ======== +1/4 Tone (+50 Cents), 11th Harmonic
 .
 .
 .
'[/t]

 
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