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  2. Digital photo frame - Wikipedia

    en.wikipedia.org/wiki/Digital_photo_frame

    A digital photo frame. A digital photo frame (also called a digital media frame) is a picture frame that displays digital photos without the need of a computer or printer. The introduction of digital photo frames predates tablet computers, which can serve the same purpose in some situations; however, digital photo frames are generally designed specifically for the stationary, aesthetic display ...

  3. The best digital photo frames of 2025 - AOL

    www.aol.com/lifestyle/best-digital-photo-frames...

    The app lets you set up "family circle" playlists for easy sharing between frames, plus you can pull photos from social networks like Facebook, Instagram and Google Photos.

  4. Full-frame DSLR - Wikipedia

    en.wikipedia.org/wiki/Full-frame_DSLR

    The edges are cropped off, which is equivalent to zooming in on the center section of the imaging area. The ratio of the size of the full-frame 35 mm format to the size of the smaller format is known as the "crop factor" or "focal-length multiplier", and is typically in the range 1.3–2.0 for non-full-frame digital SLRs.

  5. Digital Cinema Package - Wikipedia

    en.wikipedia.org/wiki/Digital_Cinema_Package

    Sign Language Video tracks have no audible audio and are encoded in VP9 format with a maximum bit rate of 1 Mbps, in 480x640px resolution, and with a frame rate of 24 frames per second (even if the main film is a different frame rate). [13] VP9 video is stored in Sound Track channel 15, identified by an MCA (Multichannel Audio) Tag Name of ...

  6. Digital video - Wikipedia

    en.wikipedia.org/wiki/Digital_video

    The basis for digital video cameras is metal–oxide–semiconductor (MOS) image sensors. [1] The first practical semiconductor image sensor was the charge-coupled device (CCD), invented in 1969 [2] by Willard S. Boyle, who won a Nobel Prize for his work in physics. [3]

  7. Frame synchronization (video) - Wikipedia

    en.wikipedia.org/wiki/Frame_synchronization_(video)

    As a result, the timing or alignment of the video frame can be adjusted so that the start of the upper left corner scan line of the image occurs simultaneously on all video equipment in the network. This is an absolute requirement for both analog and digital systems in order to perform video effects or glitch-free source switching.

  8. Nikon D90 - Wikipedia

    en.wikipedia.org/wiki/NIKON_D90

    The D90 is the first DSLR with video recording capabilities; it can record 720p high-definition video with monaural sound. However, it does not auto-focus while filming video; to keep a subject in focus, the user must manually track subject motion. Soon after the D90's introduction, many new DSLRs from Nikon and other manufacturers began ...

  9. Diesel particulate filter - Wikipedia

    en.wikipedia.org/wiki/Diesel_particulate_filter

    Maintenance-free DPFs oxidise or burn larger particles until they are small enough to pass through the filter, though often particles "clump" together in the DPF reducing the overall particle count as well as overall mass. [30] [31] There are a variety of diesel particulate filter technologies on the market. Each is designed around similar ...