Chromeの音声認識は即席で、無料のテキスト書き起こしツールにできるか？
結論は無理
音声認識はリアルタイム性を重視のため、前後の文脈などを参考にしないので、精度はどうしても落ちる。用途としては入力用で、間違っている場合、ユーザーが再度入力することを想定している。
Youtueで書き起こしツールにという元ネタのサイトのテキストと比較
Youtbeを再生しながら、入力をステレオミックスにして以下サイトで、音声認識してみた。 http://akjava.github.io/html5gwt/html5test.html#recognize
同じ動画を音声認識させてみた。 Google音声認識は、認識時に、複数の候補を出すことができるので、候補１～５で出している。
惜しい所も多々あるが、文章として認識できていないといっていい。
| 正解 | 候補1 | 候補2 | 候補3 | 候補4 | 候補5 |
|---|---|---|---|---|---|
| Good morning. | money | morning | mourning | Money | funny |
| In less than an hour, aircraft from here will join others from around the world and you will be launching the largest aerial battle in the history of mankind. | listen in on aircraft museum around the world and you will be launching largest animal in the history of mankind | listen in on aircraft from you Astron World and you will be launching largest animal in the history of mankind | listen in on aircraft museum Astron World and you will be launching largest animal in the history of mankind | listen in on aircraft museum around the world when you will be launching largest animal in the history of mankind | listen in on aircraft from you astronomy World and you will be launching largest animal in the history of mankind |
| Mankind. That word should have new meaning for all of us today. We can't be consumed by our petty differences anymore. | mangina words should have a new meeting for today we cant be consumed by a penny differences anymore | mangina words should have a new meeting for today we cant be consumed by a penny differences in the morning | mangina words should have a new meeting for today we cant be consumed by a petty differences anymore | mangina words should have a new meeting today we cant be consumed by a penny differences anymore | mangina words should have a new meeting for today we cant be consumed by a petty differences in the morning |
| We will be united in our common interest | we will be united in a common interest | we will be united in a common interests | we will be united common interest | we will be united in common interest | we will be united in common interests |
| perhaps it's fate that today's the fourth of July and you will once again be fighting for our freedom. | Facebook today is 4th of July 2013 | Facebook today is 4th of July 2012 | maps Facebook today is 4th of July 2013 | today is 4th of July 2013 | maps Facebook today is 4th of July 2012 |
| Not from tyranny, oppression or persecution, but from annihilation. We're fighting for our right to live, to exist. And should we win the day, the fourth of July will no longer be known as an American holiday but as the day when the world declared, in one voice, we will not go quietly into the night! We will not vanish without a fight! We're going to live on, we're going to survive! Today, we celebrate our Independence Day! | not from Tunisia pressure for secure shins hurt when I lay shins fighting for our right to live Regis and should be Wednesday the 4th of July 10 longer be known as an American holiday what is the day when the world Clarendon one voice we will not go quietly into the night we will not survive we celebrate our independence | Janine pressure for secure shins hurt when I lay shins fighting for our right to live Regis and should be Wednesday the 4th of July 10 longer be known as an American holiday what is the day when the world Clarendon one voice we will not go quietly into the night we will not survive we celebrate our independence | not from Geneva pressure for secure shins hurt when I lay shins fighting for our right to live Regis and should be Wednesday the 4th of July 10 longer be known as an American holiday what is the day when the world Clarendon one voice we will not go quietly into the night we will not survive we celebrate our independence | not from Tunisia pressure for secure shins hurt when I lay shins fighting for our right to live Regis and should be Wednesday the 4th of July 10 longer be known as an American holiday what is the day when the world Clairton one voice we will not go quietly into the night we will not survive we celebrate our independence | not from Tunisia pressure for secure shins hurt when I lay shins fighting for our right to live Regis in should we Wednesday the 4th of July 10 longer be known as an American holiday what is the day when the world Clarendon one voice we will not go quietly into the night we will not survive we celebrate our independence |