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
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63
2.16
アクセシビリティー
アプリ：都市名は？
ユーザー：
Washington
。
アプリ：州は？
ユーザー：
DC
。
アプリ：郵便番号は何ですか？
ユーザー：
20009
。
この例で、ユーザーはひとつのタスクを完了するために
4
回の「コール・アンド・
レスポンス」をこなさなければならない。次の
1
回だけのやりとりと比べてほしい。
アプリ：住所をまとめて言ってください。
ユーザー：
1600 Pennsylvania ave, Washington, DC 20009
。
今度は
1
回だけのインタラクションだ。確認のプロンプトはあった方がいいかもし
れないが（「
1600 Pennsylvania Ave
でいいですか」）、それでも同じタスクを完了す
るためのインタラクションは半分になり、デザインの応答性は高い。
2.16.2
手短に
ビジュアルな体験では、ユーザーは自分に関係のあることだけに集中し、関係のな
い部分を飛ばすことができる。対して
VUI
は一直線だ。ユーザーはアプリが言うと
決めたことを全部聞かされ、飛ばすことはできない。だからこそ、音声は手短にまと
める必要がある。文はできるだけ短く、重要な情報に限定し、その中でもいちばん重
要なものを最初に持ってくる。
以下のショッピングアプリの例では、ユーザーがある製品に関する検索結果を聞く
ところを想像してほしい。商品の名前と価格と評価だけ伝え、それ以外はすべて図
2-16
のような
1
枚の商品詳細画面に任せている。
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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.