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Waveform, previously known as Tracktion, [1] is a digital audio workstation for recording and editing audio and MIDI. The software is cross-platform, and runs on Apple macOS , Microsoft Windows , and Linux .
The Nikon Coolpix S1000pj compact camera projecting an image using its built-in projector. 3M pocket projector Handheld. A handheld projector (also known as a pocket projector, mobile projector, pico projector or mini beamer) is an image projector in a handheld device.
A 100-inch projector screen can cost you anywhere from $20 on up to $200 depending on what kind you get; here's a top-rated motorized screen for $130, just as an example.
Sound on film can be dated back to the early 1880s, when Charles E. Fritts filed a patent claiming the idea. In 1923 a patent was filed by E. E. Ries, for a variable density soundtrack recording, which was submitted to the SMPE (now SMPTE), which used the mercury vapor lamp as a modulating device to create a variable-density soundtrack.
A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system. Video projectors use a very bright ultra-high-performance lamp (a special mercury arc lamp ), Xenon arc lamp , metal halide lamp , LED or solid state blue, RB, RGB or fiber-optic lasers to ...
An overhead projector projecting onto a pull-down screen. Pull-down screens (also known as manual wall screens) are often used in spaces where a permanently installed screen would require too much space. These commonly use painted fabric that is rolled in the screen case when not used, making them less obtrusive when the screen is not in use.
At the projector a corresponding lens restores the wide aspect ratio to be seen on the screen. The anamorphic element can be an attachment to existing spherical lenses. Some anamorphic formats utilized a more squarish aspect ratio (1.18:1, vs. the Academy 1.375:1 ratio) on-film in order to accommodate more magnetic or optical tracks.
A video projector (lens) with a throw ratio of 0.4 or less would be positioned relatively close to the screen, and would be considered a "short throw projector". [3] A video projector that must be positioned very far from the screen would need a "long throw lens" with a throw ratio like 7.5.