Path: utzoo!attcan!uunet!mcsun!sunic!kth!draken!ianf From: ianf@nada.kth.se (Ian Feldman) Newsgroups: comp.std.misc Subject: Re: chord keyboard faster than traditional keyboard? Message-ID: <1690@draken.nada.kth.se> Date: 18 Sep 89 02:06:59 GMT References: <2925@ndsuvax.UUCP> Reply-To: ianf@nada.kth.se (Ian Feldman) Organization: Royal Institute of Technology, Stockholm, Sweden Lines: 41 In article <2925@ndsuvax.UUCP> nukim@ndsuvax.UUCP (kyongsok kim) writes: > > once we discussed chord keyboard and since then i have read more than >ten related papers. the most recent paper i read was published in 1978. >although many papers claim that chord kbd may be faster than tratitional >kbd (e.g., querty, dvorak), I have not seen any ACTUAL EXPERIMENTAL data >supporting such a claim. in most cases, the difference in speed was >negligible. > It is not, for fully trained chord-typists, that is. The increase in speed is very significant, upwards of 200% > 1. i wonder if any related paper has been publshed after 1978. >I would like to get a list. > > 2. Does any paper show an actual experimental data supporting the >claim that chord kbd is much faster than traditional one? There are no such things as "generic chord keyboards" as implied by your question; there are only function-specific ones and no two are alike. The chord-keyboard applications that I've seen include: coding of machine-readable address-strips on envelopes in a high- speed postal sorting machine; real-time transcription in the court of law & parliament (replacement for stenographing machines) and the most promising of all: television-subtitling in real-time! The latter technology, originally developed by the BBC in the UK (for teletext applications), uses a special syllabic-chord keyboard that promises to make simultaneous transcription of spoken words an everyday commodity. There has been a number of articles about chord-keyboards in the Brittish ergonomy/ related magazines. Try browsing the last couple of volumes of "Applied Ergonomics" (UK); shouldn't be hard to find. -- ---- You just survived another load of gross exaggerations from ------- Ian Feldman, the ASCII hacker / "I work to live, not the ---------- ianf@nada.kth.se / ianf@sekth.bitnet / other way around" ------------- ianf%nada.kth.se@uunet.uu.net / uunet!nada.kth.se!ianf