Dasher: information-efficient text entry
2 人推荐 · 跨 4 个月 · 2016–2025
中文导读
已故信息论学者 David MacKay 在 2007 年 Google Tech Talk 中展示了基于连续手势与语言模型驱动的文本输入系统 Dasher。该系统单指输入可达约每分钟 35 词、完全免手控可达 25 词，并从信息论底层阐述了其设计原由。
为什么 HN 推它
Dasher 领域的奠基性演讲，常年活跃在 HN 有关无障碍设计（accessibility）及另类文本输入方案的精选推荐列表中。
「Dasher 太绝了，它由已故学者 David MacKay 设计，完全建立在坚实的信息论基础之上。」HN 网友原话：Dasher is fantastic, because it's based on rock solid information theory, designed by the late David MacKay.
英文原摘要（HackerTube / Claude 整理）
David MacKay's 2007 Google Tech Talk presents Dasher, a text-entry system driven by continuous gestures and a language model, reaching about 35 words per minute with one finger and 25 hands-free. It explains the information-theory reasoning behind the design.
Regarded as the seminal talk on Dasher, recommended in threads on accessible and alternative text input.
HN 上的提及
Here's a talk from 2007 that explains it well
the demo makes it seem much easier than it is
Dasher is fantastic, because it's based on rock solid information theory, designed by the late David MacKay.
minute 32: breathing as one-dimensional input method (!)