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ZIPvideo speed controller

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资源文件列表:

videospeed-master.zip 大约有34个文件
  1. videospeed-master/
  2. videospeed-master/.github/
  3. videospeed-master/.github/workflows/
  4. videospeed-master/.github/workflows/chrome-store-upload.yaml 737B
  5. videospeed-master/.gitignore 53B
  6. videospeed-master/.pre-commit-config.yaml 455B
  7. videospeed-master/.prettierrc 131B
  8. videospeed-master/CONTRIBUTING.md 3KB
  9. videospeed-master/LICENSE 1.05KB
  10. videospeed-master/PRIVACY.md 1.68KB
  11. videospeed-master/README.md 4.49KB
  12. videospeed-master/icons/
  13. videospeed-master/icons/icon128.png 28.83KB
  14. videospeed-master/icons/icon16.png 15.21KB
  15. videospeed-master/icons/icon19.png 15.45KB
  16. videospeed-master/icons/icon19_disabled.png 3.23KB
  17. videospeed-master/icons/icon38.png 16.92KB
  18. videospeed-master/icons/icon38_disabled.png 4.21KB
  19. videospeed-master/icons/icon48.png 17.73KB
  20. videospeed-master/icons/icon48_disabled.png 4.76KB
  21. videospeed-master/inject.css 2.14KB
  22. videospeed-master/inject.js 30.99KB
  23. videospeed-master/manifest.json 1.21KB
  24. videospeed-master/options.css 1.58KB
  25. videospeed-master/options.html 7.42KB
  26. videospeed-master/options.js 12.06KB
  27. videospeed-master/package-lock.json 41.14KB
  28. videospeed-master/package.json 59B
  29. videospeed-master/popup.css 619B
  30. videospeed-master/popup.html 527B
  31. videospeed-master/popup.js 1.84KB
  32. videospeed-master/scriptforsite/
  33. videospeed-master/scriptforsite/netflix.js 517B
  34. videospeed-master/shadow.css 1.27KB

资源介绍:

Google视频加速插件
# The science of accelerated playback **TL;DR: faster playback translates to better engagement and retention.** The average adult reads prose text at [250 to 300 words per minute](http://www.paperbecause.com/PIOP/files/f7/f7bb6bc5-2c4a-466f-9ae7-b483a2c0dca4.pdf) (wpm). By contrast, the average rate of speech for English speakers is ~150 wpm, with slide presentations often closer to 100 wpm. As a result, when given the choice, many viewers [speed up video playback to ~1.3\~1.5 its recorded rate](http://research.microsoft.com/en-us/um/redmond/groups/coet/compression/chi99/paper.pdf) to compensate for the difference. Many viewers report that [accelerated viewing keeps their attention longer](http://www.enounce.com/docs/BYUPaper020319.pdf): faster delivery keeps the viewer more engaged with the content. In fact, with a little training many end up watching videos at 2x+ the recorded speed. Some studies report that after being exposed to accelerated playback, [listeners become uncomfortable](http://alumni.media.mit.edu/~barons/html/avios92.html#beasleyalteredspeech) if they are forced to return to normal rate of presentation. ## Faster HTML5 Video HTML5 video provides a native API to accelerate playback of any video. The problem is many players either hide or limit this functionality. For the best results, playback speed adjustments should be easy and frequent to match the pace and content being covered: we don't read at a fixed speed, and similarly, we need an easy way to accelerate the video, slow it down, and quickly rewind the last point to listen to it a few more times. ![Player](https://cloud.githubusercontent.com/assets/2400185/24076745/5723e6ae-0c41-11e7-820c-1d8e814a2888.png) ### _[Install Chrome Extension](https://chrome.google.com/webstore/detail/video-speed-controller/nffaoalbilbmmfgbnbgppjihopabppdk)_ \*\* Once the extension is installed simply navigate to any page that offers HTML5 video ([example](http://www.youtube.com/watch?v=E9FxNzv1Tr8)), and you'll see a speed indicator in top left corner. Hover over the indicator to reveal the controls to accelerate, slowdown, and quickly rewind or advance the video. Or, even better, simply use your keyboard: - **S** - decrease playback speed. - **D** - increase playback speed. - **R** - reset playback speed to 1.0x. - **Z** - rewind video by 10 seconds. - **X** - advance video by 10 seconds. - **G** - toggle between current and user configurable preferred speed. - **V** - show/hide the controller. You can customize and reassign the default shortcut keys in the extensions settings page as well as add additional shortcut keys to match your preferences. As an example, you can assign multiple "preferred speed" shortcuts with different values, allowing you to quickly toggle between your most frequently used speeds. To add a new shortcut, open extension settings and click "Add New". After making changes or adding new settings, remember to refresh the video viewing page for them to take effect. ![settings Add New shortcut](https://user-images.githubusercontent.com/121805/50726471-50242200-1172-11e9-902f-0e5958387617.jpg) Unfortunately, some sites may assign other functionality to one of the shortcut keys - this is inevitable. As a workaround, the extension listens both for lower and upper case values (i.e. you can use `Shift-`) if there is other functionality assigned to the lowercase key. This is not a perfect solution since some sites may listen to both, but it works most of the time. ### FAQ **The video controls are not showing up?** This extension is only compatible with HTML5 video. If you don't see the controls showing up, chances are you are viewing a Flash video. If you want to confirm, try right-clicking on the video and inspect the menu: if it mentions flash, then that's the issue. That said, most sites will fallback to HTML5 if they detect that Flash it not available. You can try manually disabling Flash plugin in Chrome: - In a new tab, navigate to `chrome://settings/content/flash` - Disable "Allow sites to run Flash" - Restart your browser and try playing your video again **The speed controls are not showing up for local videos?** To enable playback of local media (e.g. File > Open File), you need to grant additional permissions to the extension. - In a new tab, navigate to `chrome://extensions` - Find "Video Speed Controller" extension in the list and enable "Allow access to file URLs" - Open a new tab and try opening a local file; the controls should show up. ### License (MIT License) - Copyright (c) 2014 Ilya Grigorik
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