Lecture Speedrun is still in its very experimental prototype stage and may not work in all browsers Find the project on GitHub!
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Direct URL to a video usually ends in .mp4, .mov, or a similar extension.

or choose a local file:


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How loud the audio should be at a given moment to be treated as speech. Observe Current loudness below to fine-tune it.
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How many consequent analyses should be silent to count it as silence
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Speed of video when silent
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Speed of video when speaking
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How much back to jump when speech starts again (to avoid cutting the first letters of speech) [in seconds]. Please note that this may produce unexpected results when watching high-quality videos; in that case just set it to 0 to disable it

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Should the input video be too silent for you to hear it properly, use this to additionally increase volume. This does not affect the analysis as it happens after analysing the sound

Current loudness: