[sdiy] Mikado: call for suggestion

[harrybissell at prodigy.net]

Here are some scales from my Theremin Quantizer.
I have two 4-bit selects... one for Key Signature
and one for Scale select.


Wave:
0  Chromatic 12 notes per octave
1  Diatonic Major (C-D-E-F-G-A-B)
2  Diatonic Natural Minor (C-D-Eb-F-G-Ab-Bb) 
3  Diatonic Harmonic Minor (C-D-Eb-F-G-Ab-B) 
4  Diatonic Blues Scale (C-Eb-F-Gb-G-Bb)
5  Pentatonic (C-D-E-G-A) 
6  Kumoi (C-D-Eb-G-A) 
7  Japanese (C-Db-F-G-Ab)
8  Egyptian (C-Db-E-F-G-Ab-Bb) 
9  Whole Tone (C-D-E-F#-G#-A#)
10 Minor / Major (lower voltages are Minor, higher Major
11 C major (C-E-G) Arpeggio 4 octave (16 steps per note)
12 C minor (C-Eb-G) Arpeggio 4 octave (16 steps per note)
13 -
14 -
15 -
16 (I could tell you but then I'd have to kill you ;^)

hope this helps

H^) harry






--------Original Message--------  

From: media.nai at rcn.com
To: jamos at technotoys.com
Cc: synth-diy at dropmix.xs4all.nl
Sent: Aug 1 2002 12:08
Subject: Re: [sdiy] Mikado: call for suggestion

>At 10:06 PM -0700 07/31/02, Jim Johnson wrote:
>>
>>Jim P is just getting ready to burn some ROMs for the prototype Mikado's
>>quantizers [http://www.technotoys.com/mikado], so it's time to nail down
>>the details of the quantizer options. I've never been 100% happy with the
>>original scheme, since it does not take advantage of all the available
>>slots (4 switches = 4 bits, or 16 possible quantization tables).
>>
>>I've come up with a better idea for the quantization tables, but I'd like
>>some ideas for fine-tuning.
>>
>>First of all, the four bits are broken into two groups of two. The first
>>group, named "type", selects the .. damn, this terminology sucks.. "type"
>>of scale or chord. The four options formed by these 2 bits are All, Scale,
>>Chord, and 7th Chord. (The All option generates a chromatic scale.. the
>>Scale outputs all members of a traditional 8-note scale; Chord is I, II, V,
>>and 7th chord is I, III, V, VII.)
>I don't have a keyboard in front of me (no, not that kind!), but I'll give
>it a shot.
>I'm guessing "Chord" is a typo and you meant I, III, V.
>Assuming that you are using the same 12-notes there are still of dozens of
>8-note scales, and you can't do dozens with 4 bits.  Nevermind chords.
>Since I doubt this device can discern between ascending and descending, we
>can eliminate melodic minor.
>>But what scale or chord is used? That is selected by the other two
>>switches, which are labeled "tonality". These do not affect the output when
>>the Chromatic output is selected, but when Scale, Chord, or 7th Chord are
>>selected, these determine the available notes. Options here are Major,
>>Harmonic Minor, Diminished,
>Naming chords gets very confusing -- and from looking at the above
>description, off the top of my head, I'm not sure what Scale-Major-7thChord
>is going to give me -- CEGBb or CEGB??  I'm sure Harry or Larry can correct
>me, but aren't "C7" and a "Cmajor7" two different chords??.  That's one way
>to get from major to minor, right??  These might be very stupid questions,
>but like many other people who use sequencers, all my chords have jacks at
>the ends.
>So if you eliminate the "Chord" and "7th Chord" settings, you eliminate
>confusing results for augmented and diminished, because if you move the
>whole shebang up or down a half step you change the key, right??  Frankly,
>I have no idea.
>Anyway, here is a way that preserves the intention of the "Chord" setting:
>Bit 1 -- All or Scale  (so All is the music theory equivalent to bypass)
>Bit 2 - Major or Minor
>Bit 3 - Harmonic or Natural
>("harmonic major" is major, you know what "harmonic minor" is, "natural
>minor" is more or less aeolian, and "natural major" is pentatonic for you
>hippies and granola lesbians ;)
>Bit 4 - 0 or 1 (I couldn't think of names :))
>0 is what has been previously determined by the first 3 bits, then "adding
>one" takes it one step further (no pun intended):
>"harmonic major" sorts to the major triad
>"harmonic minor" sorts to the minor triad
>"natural minor" becomes Phrygian (spookier, and one more flat in terms of C)
>"natural major" becomes Whole Tone (5 + 1 = 6)
>>and .... what? I'm having a tough time deciding
>>what should go in the last slot. This could be an Augmented scale.. this is
>>complementary to the Diminished, in theory - but I'm having a tough time
>>finding out how to construct an augmented scale, and I'm not sure how
>>useful it would be. I'm partial to Pentatonic scales.. but I'm not sure
>>what to put in the slot that corresponds to a "7th pentatonic chord", let
>>alone the three note chord.
>You with the chords!!
>>A whole tone scale is another possibility, but
>>it has the same ambiguities as the pentatonic.
>Well, there are only two of them, so if it's a whole-tone scale it has to
>be one or the other, right??  So chords are either augmented triads (???)
>of a revolving door of six possible "tonics", or rootless chords that fit
>the scale.  Then again, who cares :)
>>Just in case the above is unclear, this graphic is worth 2^10 words:
>>
>>http://www.technotoys.com/mikado/images/QuantizerOptions.gif. (Those big
>>circles are toggle switches. The pair labeled "Distribution" is what I
>>earlier called "type".)
>>
>>Any comments or suggestions will be gratefully accepted.
>>Jim
>>****
>>


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