November 2018
Beginner to intermediate
304 pages
6h 11m
Japanese
Content preview from デザイニング・ボイスユーザーインターフェース ―音声で対話するサービスのためのデザイン原則
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
5.9
音声合成
vs
事前録音
148
経験は誰もが持っているだろう。
そうではなく、感情分析や感情検出は会話を「誘導する」ために利用する。今週あ
なたの
VUI
とチャットしていて、何日も続けてネガティブな感情を表現しているユー
ザーがいたとする。システムは追加の質問をして、その人が実際に感じていることを
もう少し深く掘り下げてみることができる。
5.9
音声合成
vs
事前録音
もうひとつ重要な決定は、
VUI
が音声合成（
TTS
：
Text-to-speech
）を使うか、事
前に録音した音声を使うかだ。初期の自動音声応答（
IVR
）システムは、ほぼ
100%
が声優の声を事前に録音していた。当時は今ほど音声合成の品質が高くはなく、シス
テムの応答の種類も限られていた。
音声合成は飛躍的に改善されたが、いまだに優れた声優の声ほど理解しやすくはな
い。しかも、音声合成は特定の単語をうまく発音することができず、望み通りの抑揚
にならないことがある。感情表現はさらに難しい。たとえば経験のある声優なら、適
切な文脈のもとで、「
Great!
」というフレーズをどれほど強調すべきかを知っている。
ある合成音声は、このフレーズを与えられるとまるで宝くじに当たったかのような声
を発する。別の音声合成エンジンは、「
OK
」のような基本的な単語を「
auk
（オーク。
図
5-7.
Beyond Verbal
の
アプリ、
Moodies
149
5.9
音声合成
vs
事前録音
ウミスズメのこと）」と発音して予想外の振る舞いを引き起こす。
事前録音の
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.