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より生き生きとした歌ボを目指して
2018.9.24 第2回歌うボイスロイドワークショップ
Presented by @_zuckey_12
自己紹介
2
• twitter:@_zuckey_12
• niconico:user/11475522
• 歌ボ代表作
sm30754198
【琴葉茜・葵】琴葉姉妹で「ライオン」【歌うボイスロイド】
sm31790102
琴葉姉妹で娘々スペシャルサービスメドレー(特盛り)
「生き生きと」したってどういうこと?
• 感情的、切なさ、かわいさ、かっこよさ…等
→ざっくりまとめて「生き生き」
• 曲調、歌うキャラ等によって「生き生き」は異なって
くる
3
どうやって「生き生き」とさせるの?
• 人の歌声
→音程、音量、声の調子が結構動いてる
動きを足せば「生き生きさ」が増す?
4
どうやって動きを足すの?
• 今回は「VocalShifter」というソフトを使います
• VocalShifterってどんなソフト?
→主にボーカル音声をあれこれできるすごいソフト
―http://ackiesound.ifdef.jp/download.html#vs
5
どうやって動きを足すの?
• VocalShifterでは音声についていろいろ調整できる
→その反面どこから手をつけたら・・・
とりあえず音程(ピッチ)から触ってみる
6
なぜ音程(ピッチ)から?【個人的】
• 違いが比較的わかりやすい
→間違っても気づきやすい
• 音程(ピッチ)だけでも十分「生き生き」になる
7
音程(ピッチ)のポイント
①ピッチ線、上から入るか?下から入るか?
8
①ピッチ線、上から入るか?下から入るか?
9
→下か上から入ってる場合が多い
①ピッチ線、上から入るか?下から入るか?
• なぜそういう動きに?
→平坦な音程で歌うのは逆に難しい
→逆手にとってこの動きを取り入れてみる
• いくつかパターンを見てみよう!
10
①ピッチ線、上から入るか?下から入るか?
• 下からパターン1
比較的よく見る形
→逆S字の形をきつくするほど癖強い
11
• 下からパターン2
少し時間をかけて下から入る
→ゆったりとした印象
①ピッチ線、上から入るか?下から入るか?
• 下からパターン3
同じ音程の歌詞が続くとき
→続く歌詞の音程を下から入れる
12
• 上からパターン1
時間差で本来の音程に上から入る
→切なさ、妖艶さ?(曲調による)
か れ は わ
す る
①ピッチ線、上から入るか?下から入るか?
• 上からパターン2
上から入り一旦下に下がり戻る
→力強く聞こえる
13
• 上からパターン3
高い音程から急に戻る
→声が裏返ったように聞こえる
音程(ピッチ)のポイント
②最後は跳ねる?落とす?
14
②最後は跳ねる?落とす?
15
→最後が落ちてる場所と跳ねてる場所がある
②最後は跳ねる?落とす?
• 落ちるパターン
最後のピッチが下に落ちる
→ダウナー感、艶めかしさ?
16
• 跳ねるパターン
最後のピッチが上に跳ねる
→かわいさ、全力出した感
音程(ピッチ)のポイント
③「ビブラート」で華を添える!
17
③「ビブラート」で華を添える!
18
→長く伸ばす音の後半のピッチが揺れてる
③「ビブラート」で華を添える!
• そもそもビブラートって?
→ピッチを揺らす技
• ビブラートをかけるとどうなる?
→響きが良く聞こえる!
→さらに「生き生きさ」が増す
19
③「ビブラート」で華を添える!
• ビブラートのパターン1
後半で一定の間隔で揺らす
→基本形
20
• ビブラートのパターン2
だんだん振れ幅が大きくなる
→強調、盛り上がってく感
③「ビブラート」で華を添える!
• ビブラートのパターン3
ちょっとだけ微妙に揺らす
→単調さを回避、隠し味的な
21
• ビブラートのパターン4
歌詞の1部分を強く揺らす
→強調、印象に残る
③「ビブラート」で華を添える!
22
基本形
しっとり
演歌
V系?
音程(ピッチ)のまとめ
• フレーズの「最初」と「最後」を触ってみる
→但しやりすぎには注意!
• 「ビブラート」で味付け
• トライ&エラー
→ボイロの声は皆素敵なので苦にならない(個人的)
23
ピッチ以外には何があるの?
• いっぱいあります。
→DYN(ダイナミクス)、TIME(タイミング)、
BRE(ブレス)・・・等々
• ざっくりですが紹介します!
24
ざっくり紹介①「DYN(ダイナミクス)」
25
「音量の変化」を調整
• 伸ばした音の最後をゆるやかに
• 飛び出した音を引っ込める
• アタック(出だしの強さ感)調整
ざっくり紹介②「TIME(タイミング)」
26
「タイミングや長さ」を調整
• 発声がズレてるとき
• 音の長さを変えたいとき
→母音と子音を意識して伸縮
ざっくり紹介③「BRE(ブレス)」
27
「ブレス(息)成分」を調整
• 息っぽく(掠れて)聞こえる
• 声質との相性がある気がする
• ボイロ2葵ちゃん悲しみボイスと
組み合わせた時の破壊力やばい
そのほか沼パラメータ(個人的)
• FRM(フォルマント)
• 声質を調整(低い声、ロリ声)
• 出だしや最後の調整で雰囲気出る?
28
• HEQ(倍音イコライザ?)
• 倍音成分を調整
• 特性を決めて変化を調整の2段構
ここまでのまとめ
• とりあえず音程(ピッチ)から触ってみる
• 慣れたらDYN(ダイナミクス)やTIME(タイミング)
にチャレンジ!
• 行けそうならBRE(ブレス)やFRM(フォルマント)も
• 何度でもやり直しが効くのでトライ&エラー
29

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より生き生きとした歌ボを目指して