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Speak (Unix) : ウィキペディア英語版 | Speak (Unix)
speak was a Unix utility that used a predefined set of rules to turn a file of English text into phoneme data compatible with a Federal Screw Works (later Votrax) model VS4 "Votrax" Speech Synthesizer. It was first included in Unix v3〔http://www.kernelthread.com/publications/gbaunix/〕 and possibly later ones, with the OS-end support files and help files persisting until v6. As of late 2011, the original source code〔http://minnie.tuhs.org/pipermail/tuhs/2011-December/002538.html〕〔http://minnie.tuhs.org/pipermail/tuhs/2011-December/002550.html〕 for speak, and portions of speak.m (which is generated from speak.v)〔http://minnie.tuhs.org/pipermail/tuhs/2011-December/002546.html〕 were discovered. At least three〔http://minnie.tuhs.org/UnixTree/V3/usr/man/man1/speak.1〕〔http://minnie.tuhs.org/UnixTree/V4/usr/man/man1/speak.1〕〔http://minnie.tuhs.org/UnixTree/V6/usr/man/man6/speak.6〕 versions of the man page are known to still exist. The main program (speak) was around 4500 bytes,〔 the rule tables (/etc/speak.m) were around 11000 bytes,〔 and the table viewer (speakm)〔http://minnie.tuhs.org/UnixTree/V3/usr/man/manx/speakm.5.html〕 was around 1900 bytes.〔 == History ==
The speak utility was developed by Douglas McIlroy in the early 1970s at AT&T Bell Labs in Murray Hill, New Jersey. It was included with the 1st Edition of Unix in 1973. In 1974, Douglas McIlroy published a paper describing the workings of this algorithm.〔 According to the McIlroy paper,〔 "K. Thompson and D. M. Ritchie integrated the device smoothly into the operating system", which is evident from /usr/sys/dev/vs.c "Screw Works Interface via DC-11".
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Speak (Unix)」の詳細全文を読む
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