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Is this utilizing whisper to transcribe?

Youtube already auto-generates transcripts that you can see in the ... menu in most videos. This website just seems like an alternative frontend?

Or maybe it processes the video with its own backend ? How do you tell

Just minutes ago, I compared two transcripts for the same video and they were the exact same. Also on YouTubeTranscript.com swearing was redacted with [_], which is something I've only ever seen on youtube captions.

First indication is the processing speed - there's known machine in the world that could transcribe videos in such speed.

How about a cluster in parallel?

The simplest explanation is often the most probable one.

Why would you reach for a cluster of machines working in parallel, when you could retrieve the already auto-created transcript from YouTube servers?

Also, other comments have pointed out that the transcripts are identical with the ones created by YouTube, which would be unlikely to happen if this service was creating transcripts of their own.

Apparently not. I compared the result of the linked site to a Whisper transcription of the same video. While the word-by-word accuracy of the two transcriptions was about the same, the Whisper transcription was punctuated nearly perfectly and therefore much easier to read.

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