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2. Use keyboard shortcuts to control video content on AOL

   help.aol.com/articles/use-keyboard-shortcuts-to...

   Mutes or unmutes the player volume M: Shows or hides closed captions if available C: Rewinds the playback to the beginning 0: Reply all A: Positions the play head to a predefined position. For example, on pressing key 1, playback is positioned to 10% of the timeline; pressing key 9, playback is positioned to 90% of the video. 1-9

3. Fix problems with the AOL app on iOS

   help.aol.com/articles/fix-problems-with-the-aol...

   Verified for iOS 9.3 and later. 1. Double press the Home button or swipe up and hold. 2. Swipe up on the image of the app. 3. Re-launch the app and attempt to reproduce the issue.

4. Apple II graphics - Wikipedia

   en.wikipedia.org/wiki/Apple_II_graphics

   This created problems when the user loaded a text or a lo-res graphics screen directly into video memory—replacing the current information in the holes with what was there at save-time. Disk head recalibration was a common side-effect, when the disk controller found its memory—in a screen hole—of where the head was, suddenly not to match ...

5. Display device - Wikipedia

   en.wikipedia.org/wiki/Display_device

   Nixie tubes, LED display and VF display, top to bottom Display board at Frankfurt (Main) Hauptbahnhof (2005). A display device is an output device for presentation of information in visual [1] or tactile form (the latter used for example in tactile electronic displays for blind people). [2]

6. Video quality - Wikipedia

   en.wikipedia.org/wiki/Video_quality

   Video quality can be evaluated objectively (by mathematical models) or subjectively (by asking users for their rating). Also, the quality of a system can be determined offline (i.e., in a laboratory setting for developing new codecs or services) or in-service (to monitor and ensure a certain level of quality).

7. Screen-door effect - Wikipedia

   en.wikipedia.org/wiki/Screen-door_effect

   The screen-door effect (SDE) is a visual artifact of displays, where the fine lines separating pixels (or subpixels) become visible in the displayed image. This effect can be seen in digital projector images and regular displays under magnification or at close range, but the increases in display resolutions have made this much less significant.

8. Android (operating system) - Wikipedia

   en.wikipedia.org/wiki/Android_(operating_system)

   An "All Apps" screen lists all installed applications, with the ability for users to drag an app from the list onto the home screen. The app list may be accessed using a gesture or a button, depending on the Android version. A "Recents" screen, also known as "Overview", lets users switch between recently used apps. [92]

9. Audio-to-video synchronization - Wikipedia

   en.wikipedia.org/wiki/Audio-to-video_synchronization

   A video camera with built-in microphones or line-in may not delay sound and video paths by the same amount. Solid-state video cameras (e.g. charge-coupled device (CCD) and CMOS image sensors) can delay the video signal by one or more frames. Audio and video signal processing circuitry exists with significant (and potentially non-constant ...