Omitting one word in a ten-word sentence can result in head-scratching. Even a 90 percent accuracy rate leaves leave comprehension gaps. A single line of captions can contain something both speakers said.Īccording to the University of Minnesota Duluth, YouTube’s automatic caption accuracy rate is 60 to 70 percent. The word accuracy is decent, but it looks like one long blob of text without punctuation. Here’s a randomly selected YouTube video with auto-generated captions. And they’re inaccurate and have little punctuation. That means YouTube’s speech-to-text software created the captions. It often turns out the only option is auto-generated captions. In some cases, you can turn on the captions. Well, unless you lucked out and watched one that has no audio. Imagine you’re watching videos on YouTube and the sound cuts out. Clearly, online video is growing at an alarming rate. That doesn’t consider videos posted online elsewhere on social media and websites. More than 1 billion hours of videos are watched every day on YouTube.
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