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Tutorial Tuning Resources

This is going to be a collection of information regarding tuning, the process of moving from a melody with inputted lyrics to your desired finished sound. This can include things like adjusting the Vocaloid parameters (GEN, CLE, BRI, DYN, VEL, etc.), swapping out phonemes, etc.

Although I have some thoughts on the subject, I'm not an expert tuner, so most of this guide will likely focus on providing links to those who have provided more in-depth knowledge on particular areas. If anyone has additional resources to add, please message me or leave a comment! I'll be sure to give you credit for the items you provide, likely either by a quote or @ mentioning you in parentheses.

General Thoughts on the Tuning Process
When you first get into the Vocaloid interface, it looks like there are a lot of things to play with, and it's easy to feel overwhelmed at first. Below are a few thoughts on how to move on from there and approach tuning in general.

I think a good way to learn how to tune is to simply do tests with each parameter enough so that you are used to them and know what each does when turned up high and low.

...

I usually start blocking in what I want stuff to sound like the same way for every song. So I use DYN to make the end of notes taper out, or use it to increase the volume at the start of a note for more power. Then add some gender factor to help notes sound more masculine or feminine (a lot of people draw it as a straight line, but you can actually draw it in wiggley amounts because certain vowels sound weird with too much). Then do some flair stuff like add breathy sounds to the voice or Pitch Bend so you can decide how warbly they sing. Basically draw mountains and wiggles and keep experimenting.
I agree with everything uncreepy said. I think the right approach is to try to get a feel for what each parameter does--read the descriptions in the manual (which sometimes aren't clear right away, but they help), put in a test note and turn each parameter up and down on its own, try to get a feel for how each parameter changes the voice. Then, when you're creating, block in the vocal by putting in the notes and the lyrics so that your melody is basically there, and then go through the thing carefully and try to imagine how the voice is changing/what the parameters might be doing. You don't necessarily have to change every parameter all the time, just go for the big ones first--is the voice getting clearer on this note (parameter: CLE)? Brighter (parameter: BRI)? Is there kind of a distortion/gravellyness/growl to it (parameter: GWL)? Is it getting louder/quieter (parameter: DYN)? Try to capture the bigger changes first, and if it still doesn't sound how you want, try to notice the littler things (the parameters that aren't changing as much) and pick at those, probably by smaller amounts than the big changes.

It's a little esoteric and sentimental as advice, but don't think of your Vocaloid's voice as a complicated mess of things that you have to subdue. Think of it like sculpting pottery--create a general shape and then gently, patiently guide and smooth it into your desired form.

Guides to Tuning
Manuals

Whatever Vocaloid editor you're using may have come with some kind of documentation to help users get the most out of the software. Both Piapro Studio and Vocaloid 5 definitely do. Piapro's is included with the software as a PDF. Vocaloid 5's is built in and can be found in its menu (@uncreepy).

YouTube Channels
Books
  • ボーカロイド公式 調教完全テクニック(@uncreepy, @Narumo Luckycarrot (Wow, I just rediscovered this thread on VVN; I had completely forgotten that Narumo Luckycarrot had re-created it here from VocaloidOtaku. Here's a link to that thread, too. I'll leave this here, though, since the list of the chapters is useful.))
    • This book was originally written in Japanese by Pepperon-P, but Narumo has created English-translated versions of many of its sections. It is based on Vocaloid 3, but the principles generally still apply today. It covers a BUNCH of tuning topics, with both simpler principles and little notes on more advanced effects. I've provided a list of links to the translated sections below:
Part 1

Extra 1 (Guess this goes here?)

Part 2

Part 3

Part 4

Part 5

Part 6

Part 7

Part 8

Part 9

Part 10

Part 11

Part 12

Part 13

Part 14

Part 15


Vocaloid Wiki Parameter Article (@uncreepy)

Phoneme Replacement
While the ability to enter natural language words into the editor is a valuable, time-saving tool, sometimes you may need to adjust the phonemes your Vocaloid sings manually in order to get the pronunciation you want.

Lists of Phonemes/Notes on Various Languages
(From Vocaloid Wiki, which has lots of in-depth language/tuning information. Reviewing it is recommended if you want a LOT more detail.)
Phonological Transformations
This article on amino discusses how to tweak your phonemes to get a more "everyday-speak" kind of sound (e.g., pronouncing "have to" like "hafta").
Cross-Synthesis (XSY)
This is a feature where two compatible voicebanks are combined to produce a new sound. It's available only to Vocaloid 3 and Vocaloid 4 generation voicebanks. This feature is not supported in the Vocaloid 5 editor. It does remain supported in the Vocaloid Editor for Cubase. For usage/technical details, see this article on Vocaloid Wiki.

Enhanced Voice Expression Control (E.V.E.C.)
This feature strengthens or softens the vowel (Voice Color feature) or initial consonant (Consonant Pronunciation/Extension feature) of a note. It can also be used to control the amount of breath at the end of a note (Voice Release feature). It is exclusive to Crypton vocaloids, and only Japanese voicebanks can currently use it. See this thread on VVN for a concise explanation, or this topic on Vocaloid Wiki for a very in-depth explanation with usage instructions.
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