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  2. AltStore - Wikipedia

    en.wikipedia.org/wiki/AltStore

    AltStore exploits a loophole in the Xcode developer platform, which allows developers to sideload their own apps which they are working on without needing to jailbreak. Sideloaded apps are signed like a developer project for testing and will expire after 7 days with a free account or one year with a paid developer account, by which they will ...

  3. Widescreen signaling - Wikipedia

    en.wikipedia.org/wiki/Widescreen_signaling

    525 line analog systems (like NTSC or PAL-M) made a provision for the use of pulses for signaling widescreen and other parameters, introduced with the development of Clear-Vision (EDTV-II), a NTSC-compatible Japanese system allowing widescreen broadcasts.

  4. Sideloading - Wikipedia

    en.wikipedia.org/wiki/Sideloading

    Content providers limit content available to download and sideload due to their loss of control over it. There are huge variations in performance capability for mobile devices that can make use of sideloading, from simple mobile phones with limited video playback, to high-end portable media players .

  5. List of common display resolutions - Wikipedia

    en.wikipedia.org/wiki/List_of_common_display...

    The resolution of 960H depends on whether the equipment is PAL or NTSC based: 960H represents 960 x 576 (PAL) or 960 x 480 (NTSC) pixels. [29] 960H represents an increase in pixels of some 30% over standard D1 resolution, which is 720 x 576 pixels (PAL), or 720 x 480 pixels (NTSC). The increased resolution over D1 comes as a result of a longer ...

  6. PALplus - Wikipedia

    en.wikipedia.org/wiki/PALplus

    PALplus [1] (or PAL+) is an analogue television broadcasting system aimed to improve and enhance the PAL format by allowing 16:9 (or 1.77:1) aspect ratio broadcasts, while remaining compatible with existing television receivers, [2] defined by International Telecommunication Union (ITU) recommendation BT.1197-1. [1]

  7. .ipa - Wikipedia

    en.wikipedia.org/wiki/.ipa

    A .ipa file is an iOS and iPadOS application zip archive file which stores an iOS/iPadOS app in a bundle format. Each .ipa file includes a binary and can only be installed on an iOS, iPadOS, or ARM-based macOS device.

  8. 576i - Wikipedia

    en.wikipedia.org/wiki/576i

    SDTV resolution by nation: countries using 576i are in blue. 576i is a standard-definition digital video mode, [1] originally used for digitizing 625 line analogue television in most countries of the world where the utility frequency for electric power distribution is 50 Hz.

  9. PAL - Wikipedia

    en.wikipedia.org/wiki/PAL

    The PAL colour system is usually used with a video format that has 625 lines per frame (576 visible lines, the rest being used for other information such as sync data and captioning) and a refresh rate of 50 interlaced fields per second (compatible with 25 full frames per second), such systems being B, G, H, I, and N (see broadcast television ...