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Micro tuning FTS suggestion

Micro tuning FTS suggestion

2004-06-10 by Hans Greuber

Hi my friends,


May I suggest to include in the next OS upgrade those DX7 amazing 
microtuning scales?, the last ones that I use all the time to wacky 
sequences and long sounds that I later sample ; 1/4 shift,1/4 tone,1/8 tone


What are the main differences between the last aOS upgrade and mine, 3.90?

Best;

Hans

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Re: [analogue-sequencer] Micro tuning FTS suggestion

2004-06-10 by Paul Nagle

On Thu, 10 Jun 2004 11:47:59 +0200, "Hans Greuber"
<turbotron69@hotmail.com> wrote:

>May I suggest to include in the next OS upgrade those DX7 amazing 
>microtuning scales?, the last ones that I use all the time to wacky 
>sequences and long sounds that I later sample ; 1/4 shift,1/4 tone,1/8 tone

There are some basic MIDI reasons why this presents real difficulties.
MIDI notes are a defined semitone-based series and any microtuning is
a product of internal processing rather than external. The only
workaround I can think of - for any MIDI sequencer - involves cunning
use of pitchbend. But even that presents problems as you can probably
appreciate.

In practical terms, I don't think any sequencer can do this - the
answer lies in the receiving synth(s).

Paul
---
Paul Nagle - SoftRoom Music - www.softroom.co.uk
          Bogus Focus Records - www.BogusFocus.com

RE: [analogue-sequencer] Micro tuning FTS suggestion

2004-06-10 by Colin f

> May I suggest to include in the next OS upgrade those DX7 amazing 
> microtuning scales?, the last ones that I use all the time to wacky 
> sequences and long sounds that I later sample ; 1/4 shift,1/4 
> tone,1/8 tone

As Paul mentioned, midi can't do this without some jiggery pokery using
pitchbend. The problem with pitchbend of course is that you get a
different range on every synth, so you'd need to have a tuning table for
each synth that converted midi notes into combinations of a midi note
and just the right amount of pitch-bend.
Adding pitch-bend to the midi stream will use bandwidth too.
My Microwave had a nice built-in microtuning, that sensed what key a
chord was in, and 'fixed' it up. Nice.

> What are the main differences between the last aOS upgrade 
> and mine, 3.90?

The definition of 'main' might vary from user to user, but roughly...

Arepeggio capture lets you create patterns like on a synth arepggiator.

There are two new user config options:
  'Lock btempo' disables the tempo knob if a bank tempo is set
  'Start on cont' makes P3 treat a midi continue as a midi start

Various new aux events were added:
'set norm tbase', 'set trplt tbase', 'mute trk n', 'mute trk, dAcc>n',
'unmute trk n', 'send midi pgm', 'send midi a/t', 'send midi pbend',
'select part', 'set pchain length', 'set lstep abs' and 'set lstep rel'.
Plus there are test events for note repeats, with note and velocity
offsets, but these are still to be polished a bit.
And the accumulator defeat events.

I will update the manual with details of the new events soon.
But fvck me, I've been busy...

Cheers,
Colin f

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