ãªã¢ã«ã¿ã€ã 翻蚳æè¡ã®é²æ©ã課é¡ããããŠãããäžçã®ã³ãã¥ãã±ãŒã·ã§ã³ãããžãã¹ãæåã«äžãã圱é¿ãæ¢ããŸãã
ãŠãããŒãµã«ç¿»èš³ïŒãªã¢ã«ã¿ã€ã ã§èšèªã®å£ãä¹ãè¶ãã
èšèªããã¯ãã³ãã¥ãã±ãŒã·ã§ã³ã®éå£ã§ã¯ãªãäžçãæ³åããŠã¿ãŠãã ããã倿§ãªèæ¯ãæã€å人ããäºããæ¥œã«çè§£ããååã驿°ããããŠããæ·±ã人éé¢ä¿ãè²ãäžçã§ãããã®ããžã§ã³ã¯ããŠãããŒãµã«ç¿»èš³æè¡ãç¹ã«ãªã¢ã«ã¿ã€ã èšèªç¿»èš³ã®é²æ©ã®ãããã§ãæ¥éã«çŸå®ã®ãã®ãšãªãã€ã€ãããŸãã
ãŠãããŒãµã«ç¿»èš³ãšã¯ïŒ
ãŠãããŒãµã«ç¿»èš³ãšã¯ãããããèšèªãä»ã®ããããèšèªã«æ£ç¢ºãã€ã·ãŒã ã¬ã¹ã«ç¿»èš³ããèœåãæããŸããããã¯ã以äžãå«ãæ§ã ãªåéãé¢ããè€éãªåãçµã¿ã§ãã
- èªç¶èšèªåŠçïŒNLPïŒïŒäººéã®èšèªã®çè§£ãšåŠçãæ±ãAIã®äžåéã§ãã
- æ©æ¢°ç¿»èš³ïŒMTïŒïŒããã¹ããããèšèªããå¥ã®èšèªãžèªåçã«ç¿»èš³ããããšã§ãã
- èªåé³å£°èªèïŒASRïŒïŒè©±ãèšèãããã¹ãã«å€æããæè¡ã§ãã
- ããã¹ãèªã¿äžãïŒTTSïŒïŒããã¹ãã話ãèšèã«å€æããæè¡ã§ãã
ãªã¢ã«ã¿ã€ã 翻蚳ã¯ããã®æŠå¿µãããã«äžæ©é²ããã©ã€ãã§ã®äŒè©±ããã¬ãŒã³ããŒã·ã§ã³äžã«ç¬æã®ç¿»èš³ãå¯èœã«ããŸããããã¯ãåœéçãªããžãã¹äŒè°ããã°ããŒãã«ãªã«ã³ãã¡ã¬ã³ã¹ãããã«ã¯æ¥åžžçãªäº€æµãŸã§ãããŸããŸãªå Žé¢ã§ã³ãã¥ãã±ãŒã·ã§ã³ã®å£ãæã¡ç Žãããã«äžå¯æ¬ ã§ãã
翻蚳æè¡ã®é²å
ãŠãããŒãµã«ç¿»èš³ã®å€¢ã¯æ°ãããã®ã§ã¯ãããŸãããäœäžçŽã«ããããã人é¡ã¯èšèªã®å£ãå æããããšåªåããŠããŸãããæ©æ¢°ç¿»èš³ã®æåã®è©Šã¿ã¯1950幎代ã«é¡ããåºç¯ãªèŸæžãšææ³èŠåã«äŸåããã«ãŒã«ããŒã¹ã®ã·ã¹ãã ã§ããããããã®ã·ã¹ãã ã¯ç²ŸåºŠã«éçãããã人éã®èšèªã®ãã¥ã¢ã³ã¹ã«å¯Ÿå¿ããã®ã«èŠåŽããŸããã
1990幎代ã®çµ±èšçæ©æ¢°ç¿»èš³ïŒSMTïŒã®åºçŸã¯ã倧ããªé²æ©ããããããŸãããSMTã·ã¹ãã ã¯ã倧éã®ãã©ã¬ã«ããã¹ãïŒè€æ°ã®èšèªã«ç¿»èš³ãããããã¹ãïŒãã翻蚳ãã¿ãŒã³ãåŠç¿ããŸãããããããSMTã¯ç¿»èš³ãæŽç·Žãããããã«ãäŸç¶ãšããŠããªãã®äººæã«ããä»å ¥ãå¿ èŠãšããŸããã
çã®ãã¬ãŒã¯ã¹ã«ãŒã¯ã2010幎代ã®ãã¥ãŒã©ã«æ©æ¢°ç¿»èš³ïŒNMTïŒã®å°é ãšãšãã«èšªããŸãããNMTã¯æ·±å±€åŠç¿ã¢ã«ãŽãªãºã ã䜿çšããŠè€éãªèšèªãã¿ãŒã³ãåŠç¿ããããæµæ¢ã§èªç¶ãªé¿ãã®ç¿»èš³ãçæããŸããNMTã¯ãã®åéã«é©åœãããããã仿¥æã ãç®ã«ãããªã¢ã«ã¿ã€ã 翻蚳æè¡ãžã®éãéããŸããã
ãªã¢ã«ã¿ã€ã 翻蚳ã®ä»çµã¿
ãªã¢ã«ã¿ã€ã 翻蚳ã·ã¹ãã ã¯ãéåžžã以äžã®ã¹ããããå«ã¿ãŸãã
- é³å£°å ¥åïŒè©±è ã®å£°ããã€ã¯ãéããŠãã£ããã£ãããŸãã
- èªåé³å£°èªèïŒASRïŒïŒASRã·ã¹ãã ã話ãèšèãããã¹ãã«å€æããŸããããã¯ãã¢ã¯ã»ã³ããèæ¯éé³ãè©±ãæ¹ã®ã¹ã¿ã€ã«ã®éãã«ããããã°ãã°å°é£ãªã¹ããããšãªããŸãã
- æ©æ¢°ç¿»èš³ïŒMTïŒïŒããã¹ãã¯æ¬¡ã«æ©æ¢°ç¿»èš³ãšã³ãžã³ã«éãããããã§å¯Ÿè±¡èšèªã«ç¿»èš³ãããŸãã
- ããã¹ãèªã¿äžãïŒTTSïŒãŸãã¯ããã¹ãåºåïŒç¿»èš³ãããããã¹ãã¯ãTTSã·ã¹ãã ã䜿çšããŠè©±ãèšèã«å€æãããããç»é¢ã«ããã¹ããšããŠè¡šç€ºãããŸãã
èªç¶ãªäŒè©±ã®æµããç¶æããããã«ã¯ãããã»ã¹å šäœãæå°éã®é å»¶ã§è¿ éã«è¡ãããªããã°ãªããŸããã
ãªã¢ã«ã¿ã€ã ãŠãããŒãµã«ç¿»èš³ã®å¿çš
ãªã¢ã«ã¿ã€ã ãŠãããŒãµã«ç¿»èš³ã®æœåšçãªå¿çšç¯å²ã¯åºå€§ã§å€å²ã«ããããŸãã以äžã¯ããã®æè¡ããã§ã«å€§ããªåœ±é¿ãäžããŠããäž»èŠãªåéã§ãã
åœéããžãã¹
ãªã¢ã«ã¿ã€ã 翻蚳ã¯ãç°ãªãåœã§äºæ¥ãå±éããäŒæ¥éã®ã·ãŒã ã¬ã¹ãªã³ãã¥ãã±ãŒã·ã§ã³ãä¿é²ããããšãã§ããŸããã°ããŒãã«ããŒã ãèšèªã®å£ãªãã«ãããžã§ã¯ãã§æ¥œã«ååãã亀æžãè¡ããæ°ããåžå Žãžå®¹æã«æ¡å€§ããæ§åãæ³åããŠã¿ãŠãã ããã
äŸïŒæ¥æ¬ããã€ãããã©ãžã«ã«ãªãã£ã¹ãæã€å€åœç±äŒæ¥ã¯ããªã¢ã«ã¿ã€ã 翻蚳ãœãããŠã§ã¢ã䜿çšããŠãåŸæ¥å¡ãæ¯åœèªã§è©±ãããäºããå®ç§ã«çè§£ã§ããããŒãã£ã«äŒè°ãéå¬ã§ããŸãã
æè²
ãªã¢ã«ã¿ã€ã 翻蚳ã¯ãäžçäžã®åŠçã«æè²æ©äŒãéãããšãã§ããŸãããªã³ã©ã€ã³ã³ãŒã¹ãè¬çŸ©ãææã¯å³åº§ã«è€æ°ã®èšèªã«ç¿»èš³ãããããå€ãã®èŽè¡ãã¢ã¯ã»ã¹ã§ããããã«ãªããŸãã
äŸïŒã€ã³ãã®åŠçããã©ã³ã¹ã®ææã«ããè¬çŸ©ã«åºåžãããã®è¬çŸ©ããªã¢ã«ã¿ã€ã ã§ãã³ãã£ãŒèªã«ç¿»èš³ãããŸãã
æ è¡ãšèгå
ãªã¢ã«ã¿ã€ã 翻蚳ã¯ã芳å 客ãçŸå°ã®äººã ãšã³ãã¥ãã±ãŒã·ã§ã³ãåããå€åœã®éœåžãããã²ãŒãããèšèªã®å£ãªãã«ç°ãªãæåã«ã€ããŠåŠã¶ããšãå¯èœã«ããããšã§ãæ è¡äœéšãåäžãããããšãã§ããŸãã
äŸïŒäžåœã蚪ãã芳å 客ã¯ãæºåž¯é»è©±ã®ãªã¢ã«ã¿ã€ã 翻蚳ã¢ããªã䜿ã£ãŠã¬ã¹ãã©ã³ã§é£äºã泚æããããéãå°ããããå°å äœæ°ãšäŒè©±ãããããããšãã§ããŸãã
ãã«ã¹ã±ã¢
ãªã¢ã«ã¿ã€ã 翻蚳ã¯ãç°ãªãèšèªãè©±ãæ£è ã®å»çã¢ã¯ã»ã¹ãæ¹åããããšãã§ããŸããå»åž«ãçè·åž«ã¯æ£è ãšå¹æçã«ã³ãã¥ãã±ãŒã·ã§ã³ãåããçç¶ãçè§£ããèšèªèœåã«é¢ãããé©åãªæ²»çãæäŸã§ããŸãã
äŸïŒã¹ãã€ã³èªãè©±ãæ£è ãè±èªã話ãå»åž«ã«çžè«ããéã翻蚳ãœãããŠã§ã¢ã䜿çšããå»çéèš³è ã«ãã£ãŠäŒè©±ããªã¢ã«ã¿ã€ã ã§ç¿»èš³ãããŸãã
ã«ã¹ã¿ããŒãµãŒãã¹
äŒæ¥ã¯ãªã¢ã«ã¿ã€ã 翻蚳ã䜿çšããŠå€èšèªã§ã«ã¹ã¿ããŒãµãŒãã¹ãæäŸãããªãŒããæ¡å€§ãã顧客æºè¶³åºŠãåäžãããããšãã§ããŸããã³ãŒã«ã»ã³ã¿ãŒããã£ãããããããªã³ã©ã€ã³ãµããŒãã·ã¹ãã ã¯ãã¹ãŠããªã¢ã«ã¿ã€ã 翻蚳æ©èœãåããããšãã§ããŸãã
äŸïŒãã·ã¢ã®é¡§å®¢ãç±³åœã®ã«ã¹ã¿ããŒãµãŒãã¹æ åœè ã«é£çµ¡ãåããäŒè©±ããªã¢ã«ã¿ã€ã ã§ãã·ã¢èªãšè±èªã®éã§ç¿»èš³ãããŸãã
ç·æ¥å¯Ÿå¿
ç·æ¥äºæ ã«ãããŠããªã¢ã«ã¿ã€ã 翻蚳ã¯ãç°ãªãèšèªã話ãåæå¯Ÿå¿è ã被çœè ãç·æ¥èŠå¡éã®ã³ãã¥ãã±ãŒã·ã§ã³ãä¿é²ããããã«äžå¯æ¬ ã§ãã
äŸïŒèªç¶çœå®³æãç°ãªãåœã®æå©éå¡ã¯ãªã¢ã«ã¿ã€ã 翻蚳ããã€ã¹ã䜿çšããŠã掻åã調æŽããç°ãªãèšèªã話ãçåè ãšã³ãã¥ãã±ãŒã·ã§ã³ãåãããšãã§ããŸãã
ãœãŒã·ã£ã«ã¡ãã£ã¢ãšãªã³ã©ã€ã³ã³ãã¥ãã±ãŒã·ã§ã³
ãªã¢ã«ã¿ã€ã 翻蚳ã¯ããœãŒã·ã£ã«ã¡ãã£ã¢ãã©ãããã©ãŒã äžã®èšèªã®å£ãæã¡ç Žããç°ãªãæåã®äººã ãããç°¡åã«ã€ãªãããã³ãã¥ãã±ãŒã·ã§ã³ãåãããšãå¯èœã«ããŸãããœãŒã·ã£ã«ã¡ãã£ã¢ã®æçš¿ãã³ã¡ã³ããã¡ãã»ãŒãžã¯ãå³åº§ã«è€æ°ã®èšèªã«ç¿»èš³ã§ããŸãã
äŸïŒæ¥æ¬ã®ãŠãŒã¶ãŒããã©ãžã«ã®ãŠãŒã¶ãŒããã®ãã€ãŒããèªã¿ãè¿ä¿¡ããããšãã§ãããã®ãã€ãŒãã¯æ¥æ¬èªãšãã«ãã¬ã«èªã®éã§èªåçã«ç¿»èš³ãããŸãã
ãªã¢ã«ã¿ã€ã 翻蚳ã®èª²é¡
ãªã¢ã«ã¿ã€ã 翻蚳æè¡ã¯å€§ããªé²æ©ãéããŸããããããã€ãã®èª²é¡ãæ®ã£ãŠããŸãã
- 粟床ïŒãªã¢ã«ã¿ã€ã 翻蚳ã§å®ç§ãªç²ŸåºŠãéæããããšã¯äŸç¶ãšããŠèª²é¡ã§ããæ©æ¢°ç¿»èš³ã·ã¹ãã ã¯ãç¹ã«è€éãªææ§é ãã€ãã£ãªã ãæåçãªãã¥ã¢ã³ã¹ãæ±ãéã«ã誀ããç¯ãããšããããŸãã
- é床ïŒãªã¢ã«ã¿ã€ã 翻蚳ã¯ãé å»¶ãæå°éã«æããèªç¶ãªäŒè©±ã®æµããç¶æããããã«ãéåžžã«é«éãªåŠçé床ãå¿ èŠãšããŸãã
- ã¢ã¯ã»ã³ããšæ¹èšã®å€æ§æ§ïŒASRã·ã¹ãã ã¯ãã¢ã¯ã»ã³ããæ¹èšã®ããªãšãŒã·ã§ã³ã«å¯Ÿå¿ããã®ã«èŠåŽããäžæ£ç¢ºãªé³å£°èªèãšç¿»èš³ã«ã€ãªããããšããããŸãã
- èæ¯éé³ïŒèæ¯éé³ã¯é³å£°èªèã劚ããã·ã¹ãã ã話ãèšèãæ£ç¢ºã«æåèµ·ããããã®ãå°é£ã«ããããšããããŸãã
- æèã®çè§£ïŒæ©æ¢°ç¿»èš³ã·ã¹ãã ã¯ãåèªããã¬ãŒãºã®æå³ãæ£ç¢ºã«ç¿»èš³ããããã«ãäŒè©±ã®æèãçè§£ããå¿ èŠããããŸãã
- ææ çãªãã¥ã¢ã³ã¹ïŒç®èããŠãŒã¢ã¢ãªã©ã®ææ çãªãã¥ã¢ã³ã¹ãäŒããããšã¯ãæ©æ¢°ç¿»èš³ã·ã¹ãã ã«ãšã£ãŠå€§ããªèª²é¡ã§ãã
- ããŒã¿ã®å¯çšæ§ïŒæ©æ¢°ç¿»èš³ã·ã¹ãã ã®ãã¬ãŒãã³ã°ã«ã¯ã倧éã®ãã©ã¬ã«ããã¹ãããŒã¿ãå¿ èŠã§ããäžéšã®èšèªãç¹ã«ãªãœãŒã¹ã®å°ãªãèšèªã§ã¯ãååãªããŒã¿ãå©çšã§ããªãå ŽåããããŸãã
- å«ççé æ ®ïŒæ©æ¢°ç¿»èš³ã«ãããå ¬å¹³æ§ã確ä¿ãããã€ã¢ã¹ãåé¿ããããšã¯äžå¯æ¬ ã§ãã翻蚳ã·ã¹ãã ã¯ãã¹ãã¬ãªã¿ã€ããæ°žç¶ãããããç¹å®ã®ã°ã«ãŒããå·®å¥ãããããŠã¯ãªããŸããã
課é¡ã®å æ
ç ç©¶è ãéçºè ã¯ãããŸããŸãªã¢ãããŒããéããŠãããã®èª²é¡ãå æããããã«ç©æ¥µçã«åãçµãã§ããŸãã
- æ©æ¢°åŠç¿ã¢ã«ãŽãªãºã ã®æ¹åïŒäººéã®èšèªãããããçè§£ããåŠçã§ãããããé«åºŠãªæ©æ¢°åŠç¿ã¢ã«ãŽãªãºã ãéçºããããšã
- ããå€ãã®ããŒã¿ã®åéïŒããåºç¯ãªèšèªããã¡ã€ã³ã®ããã«ãããå€ãã®ãã©ã¬ã«ããã¹ãããŒã¿ãåéããããšã
- ããè¯ãASRã·ã¹ãã ã®éçºïŒã¢ã¯ã»ã³ããæ¹èšã®å€æ§æ§ãèæ¯éé³ã«å¯ŸããŠããé å¥ãªASRã·ã¹ãã ãéçºããããšã
- æèæ å ±ã®çµã¿èŸŒã¿ïŒç²ŸåºŠã𿵿¢ããåäžãããããã«ãæèæ å ±ãæ©æ¢°ç¿»èš³ã·ã¹ãã ã«çµ±åããããšã
- ãã€ã¢ã¹ãžã®å¯ŸåŠïŒæ©æ¢°ç¿»èš³ã·ã¹ãã ã®ãã€ã¢ã¹ã軜æžããå ¬å¹³æ§ã確ä¿ããããã®æè¡ãéçºããããšã
- 人éãšæ©æ¢°ç¿»èš³ã®çµã¿åããïŒç¹ã«éèŠãªã¢ããªã±ãŒã·ã§ã³ã«ãããŠã人éã®ç¿»èš³è ãæ©æ¢°ç¿»èš³ãã¬ãã¥ãŒããæŽç·Žãããããšã
ãŠãããŒãµã«ç¿»èš³ã®æªæ¥
ãŠãããŒãµã«ç¿»èš³ã®æªæ¥ã¯æããã§ããæè¡ã鲿©ãç¶ããã«ã€ããŠãããã«æ£ç¢ºã§ãã·ãŒã ã¬ã¹ã§ãã¢ã¯ã»ã¹ãããããªã¢ã«ã¿ã€ã 翻蚳ãœãªã¥ãŒã·ã§ã³ãç»å ŽããããšãæåŸ ãããŸããå°æ¥ã®å¯èœæ§ã®ããéçºã«ã¯ã以äžã®ãããªãã®ããããŸãã
- ãŠã§ã¢ã©ãã«ããã€ã¹ãšã®çµ±åïŒã¹ããŒãã°ã©ã¹ãã€ã€ãã³ãªã©ã®ãŠã§ã¢ã©ãã«ããã€ã¹ã«çµ±åããããªã¢ã«ã¿ã€ã 翻蚳ã
- AIæèŒã®èšèªåŠç¿ïŒåã ã®åŠç¿ã¹ã¿ã€ã«ã«é©å¿ããããŒãœãã©ã€ãºããããã£ãŒãããã¯ãæäŸããAIæèŒã®èšèªåŠç¿ããŒã«ã
- äœãªãœãŒã¹èšèªãžã®ãµããŒãåäžïŒäœãªãœãŒã¹èšèªåãã®ç¿»èš³ã·ã¹ãã éçºã«ç¹åãããããå€ãã®ãªãœãŒã¹ãšç ç©¶ã
- æè©±ã®ãªã¢ã«ã¿ã€ã ç¿»èš³ïŒæè©±ã話ãèšèã«ããŸããã®éã«ãªã¢ã«ã¿ã€ã ã§ç¿»èš³ã§ããæè¡ã
- ææ èªèãšç¿»èš³ïŒèšèªãéããŠè¡šçŸãããææ ãèªèãã翻蚳ã§ããã·ã¹ãã ã
ã°ããŒãã«æåãžã®åœ±é¿
ãŠãããŒãµã«ç¿»èš³ã¯ãç°ãªã瀟äŒéã§ãã倧ããªçè§£ãå ±æãååãè²ãããšã«ãããäžçã®æåã«æ·±ã圱é¿ãäžããå¯èœæ§ããããŸããèšèªã®å£ãæã¡ç Žãããšã§ã次ã®ããšãå¯èœã«ãªããŸãã
- æå亀æµã®ä¿é²ïŒç°ãªãæåã®äººã ããèªåãã¡ã®ã¢ã€ãã¢ãç©èªãèŠç¹ãããç°¡åã«å ±æã§ããããã«ããã
- èª€è§£ã®æžå°ïŒèšèªã®å£ããçãã誀解ã察ç«ãæå°éã«æããã
- ã°ããŒãã«åžæ°æèã®è²æïŒã°ããŒãã«ãªåžæ°æèãšçžäºã®ã€ãªããã奚å±ããã
- çµ¶æ» å±æ§èšèªã®ä¿åïŒçµ¶æ» ã®å±æ©ã«çããŠããèšèªããããå€ãã®äººã ãã¢ã¯ã»ã¹ã§ããããã«ããããšã§ããã®ä¿åãšæŽ»æ§åãå©ããã
çµè«
ãªã¢ã«ã¿ã€ã ãŠãããŒãµã«ç¿»èš³ã¯ãã¯ãæªæ¥ã®å€¢ã§ã¯ãããŸãããããã¯ãç§ãã¡ãã°ããŒãã«ãªã¹ã±ãŒã«ã§äºãã«ã³ãã¥ãã±ãŒã·ã§ã³ããååããã€ãªããæ¹æ³ãå€é©ããå¯èœæ§ãç§ãããæ¥éã«é²åããçŸå®ã§ãã課é¡ã¯æ®ã£ãŠããŸãããè¿å¹Žã®é²æ©ã¯ç®èŠãŸãããæªæ¥ã¯ããã«å€§ããªå¯èœæ§ãç§ããŠããŸããèšèªã®å£ãæã¡ç Žãç¶ããããšã§ãç§ãã¡ã¯ãã¹ãŠã®äººã«ãšã£ãŠãããå æ¬çã§ãå ¬å¹³ã§ãçžäºã«ã€ãªãã£ãäžçãåµé ããããšãã§ããŸãã
å®è·µçãªæŽå¯ïŒ
- 翻蚳ããŒã«ã®æ¢æ±ïŒããŸããŸãªãªã¢ã«ã¿ã€ã 翻蚳ã¢ããªããœãããŠã§ã¢ã詊ããŠãèªåã®ããŒãºã«æé©ãªãã®ãèŠã€ããŸãããã
- èšèªã®å€æ§æ§ã®ãµããŒãïŒèšèªã®å€æ§æ§ãšå€èšèªäž»çŸ©ãä¿é²ããæ¿çãæå±ããŸãããã
- æ°ããèšèªãåŠã¶ïŒã³ãã¥ãã±ãŒã·ã§ã³ã¹ãã«ãé«ããæåçãªèŠéãåºããããã«ãæ°ããèšèªãåŠã¶ããšãæ€èšããŸãããã
- ææ°æ å ±ãåŸãïŒç¿»èš³æè¡ã®ææ°ã®é²æ©ã«ã€ããŠåžžã«æ å ±ãå ¥æããŸãããã
åèæç®
ããã«æ©æ¢°ç¿»èš³ãšèªç¶èšèªåŠçã«é¢ããé¢é£ç ç©¶è«æãèšäºããªãœãŒã¹ãžã®ãªã³ã¯ãå«ããŠãã ããã