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Google Pixel は発音練習の先生となるか

このノートで書くこと

・自動英文文字起こしアプリとは?

・自動文字起こしアプリは発音の独学に有用では?

・実際にやってみた


自動英文文字起こしアプリとは?

私は去年来からPixel 3のスマートホンを使用している。PixelシリーズはGoogleが直々に開発を手がけているスマートホンで、3以降は日本でも発売されている。実は10月のGoogleの機器発表の際に、自動で英文を文字起こしできるアプリが紹介されたが、最新機種Pixel4のみで、自分は関係ないと思っていた。ところが、ふと、下記のニュースを見つけてしまった。

いつの間にか、Pixel 3でも可能であるというのである。これは使わない手はない、ということで色々試してみた。

Youtubeなどクリアな環境はほぼ満点

とりあえず、試しに TEDなど。

有名なスティーブジョブズの演説。冒頭を文字起こしすると下記の通り。

Thank you. I'm honored to be with you today for your commencement from one of the finest universities in the world. Truth be told. I never graduated from college and this is the closest I've ever gotten to a college graduation. Today, I want to tell you three stories from my life. That's it, no big deal. Just three stories. The first story is about connecting the dots. I dropped out of recollege after the first six months, but then stayed around as a drop in for another 18 months or so before I really quit.

ほぼ完璧。これ以外もいくつか試してみたが、雑音がない状況だとかなり精度が高い。

しかし、調べていると、そもそもPixelの文字起こし昨日はyoutubeの動画を学習させているとか。。なるほど。実戦で使えるのか?

航空機内アナウンスも結構わかる

そこで、海外に行く機会に、色々録音してみた。航空機内の安全のアナウンスを起こさせてみたらこんな感じ。

In the unlikely events of an emergency landing, please brace yourself like this against the seat in front of you. Or where that's not possible grace by leaning as far full with as you can with your arms tucked under your legs. The safety card and your seat pocket shows the life jacket location under all to the side of your seat when instructed remove it from the container and pull it over your head. Bring the tape around your waist. Pulling permit to secure. Only inflate your life jacket when leaving the aircraft by pulling the two red toggles sharply downwards. Also inflate or top up. By blowing into. And use the, Landing on water. To jackets for infants and children. To locate the emergency exit nearest to your. Maybe behind. There are 10 emergency exits on this bowing triple. 700 if needed lights of floor level would direct you to the nearest exit. And leave all baggage behind if evacuates. Yourself of the safety features of this aircraft, please read the safety card. Will now. Carrying out the final. Enjoy your flights.

全体的に、文章の文頭は弱い。しかし、読んでれば大体意味は分かる。うーん、すごい。乗ったことある人は分かると思うが、飛行機内はかなりエンジンの雑音が多い。その中でこれだけ聞き取れるのはすごい。。

自動文字起こしアプリは発音の独学に有用では?

これって逆に発音練習に有用では? Pixelにこういう英語を話していると認識させられれば、一般の人にも伝わる可能性も高いのでは。。

英語の会話練習、ネイティブを相手にできれば良いのだろうが、常にそうもいかないし、素振りをする必要がある。シャドーイング等々古典的なやり方はあれど、ついに英語学習の革命か。。。

実際にやってみた

VOA English learningのサイトでテキストと、読み上げがあるものを見つけてみた。自分で読み上げてその結果と原稿を比べるという練習法。

これが元の原稿

People who look at abstract, costly works of art and joke “a child probably painted that” are finally right.At just 12 years old, Xeo Chu of Vietnam is setting sales records with his colorful abstract paintings. Some are selling for more than $150,000. They are being compared to works by American artist Jackson Pollock.The seventh-grade student from Vietnam is holding his first show as a solo artist. It is taking place at the Georges Berges Gallery, in New York City’s wealthy SoHo neighborhood. The show is called Big World, Little Eyes. It opened December 19 and runs through January 2, 2020.Chu has been painting since he was 4 years old. He made his first sale when he was only 6. “One customer came and bought my painting and I was really happy. That was when I was like six. Yep,” Chu said. Chu’s mother owns an art gallery in Vietnam. As a young child, Chu repeatedly asked his mom to let him paint with his older brothers. For his New York show, Chu created a 4.5-meter-long artwork divided into four pieces. The work is unnamed. Chu explained, “My mom told me I was going to have an exhibition in New York. So, I was like, ‘Oh, let’s make a big painting for this.’ That took like three months.”When asked what he likes about painting, Chu said: “The creativity. I can do a lot of things with a painting. I can choose what I would draw or what detail can I put in or what color. Stuff like that.”Chu’s work has been compared to that of Jackson Pollock, a major artist in the abstract expressionist movement of the 1940s and 1950s.One difference between the two, however: Pollock produced his most famous pieces at the height of his career. That, said gallery owner Georges Berges, came several decades after Pollock’s 12th birthday.Chu “is producing similar work at the start of his career,” Berges said. “So, it’s very interesting to see where that’s going to head.”

全体で3分くらい。で、こちらが自分で話したのをPixelが書き起こした文。

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これを自分の録音した声を聴きながら眺める。

これは非常にいい。結構認識してくれるな、と思いながら一方で、発音が間違っている場所を明確に指摘してくれる。

例えば"Vietnam"。書き起こしでは"beaten arm" 似ている。確かにVの発音とか適当にしていた部分で、こう聞こえるのだなあと。そのあとのVietnamは認識してくれていたり。

"mother"は"mergers"と書き起こしている。聞いてみると確かに、thの発音とか適当。

いや、実に的確に全く先入観なく、この小さなスマホは指導してくれるのである。

今後も色々と試してみたい。

これは英語学習を変えるのではないかな。。

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