system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5:If things like Google Now and Siri are so good at voice recognition, how come youtube automatic annotations are so terrible?
gpt
Siri and Google only have to understand a few things, but if you want to translate general speech like in a youtube video you must understand everything. If Siri doesn't quite understand what you've said, she can assume that what you were saying was a question, as that was the purpose of Siri. The youtube annotation translator can't make nearly as many assumptions, which means it has to rely much more on its actually translation ability, which is not great.