Film screening

A film screening is the displaying of a film, as part of its production and release cycle, before it is widely released to movie theaters.Screenings typically occur outside normal theatrical showing hours. The different types of screenings are presented here in rough chronological order of their use:
-Test screenings
-Critic screenings occur for national and major market critics well in advance of print and television production-cycle deadlines, and are usually by-invitation-only. When a studio anticipates negative critical reviews, this step is frequently skipped; the studio instead relies on advertising, in-theater previews, word-of-mouth, and established knowledge of the target audience for the success of the film.
-Private screenings are provided for investors, marketing and distribution representatives, and VIP media figures.
-Preview screenings are for the public, sometimes at boutique theaters (which may not be scheduled as a release theater). These may serve as final test screenings used to adjust marketing strategy (radio & TV junkets) or the film itself. Complimentary tickets (sometimes limited in number) are frequently provided to local media for contests or giveaways. No confidentiality requirement is imposed on the audience.
-A sneak preview is a film screening in advance of the broad release of a movie. The screening resembles that of a regular film, complete with the same admission charge. The apparent purpose of sneak previews is to gain additional buzz for the movie in question.

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IMAX...

IMAX (short for Image Maximum) is a film format created by Canada's IMAX Corporation that has the capacity to display images of far greater size and resolution than conventional film display systems. A standard IMAX screen is 22 m wide and 16.1 m high (72.6 ft x 52.8 ft), but can be larger. Currently, IMAX is the most widely-used system for large-format, special-venue film presentations. As of March 2007, there were 280 IMAX theatres in 38 countries (60% of these are located in the United States and Canada). Half of these are commercial theatres and half are in educational venues. A variation of IMAX, IMAX Dome (originally called OMNIMAX), is designed for projection on tilted dome screens. Films can also be projected in 3D with IMAX 3D. The biggest "IMAX Dome" is in the Liberty Science Center in Jersey City, New Jersey.

Video editing software

Video editing software is application software which handles the editing of video sequences on a computer. It usually includes the ability to import and export video, cut and paste sections of a video clip, and add special effects and transitions; and it sometimes includes the ability to encode the video for creation of a DVD, Web video, mobile phone video, or video podcast. Video editing software generally also allows for some limited editing of the audio clips which accompany the video, or at least the ability to sync the audio with the video.
Media100, Lightworks, Sony Vegas, Avid, Adobe Premiere, Ulead VideoStudio and Apple's Final Cut Pro are pioneers in video editing software and have a great influence on how films and TV programs are edited. Some of these systems use custom hardware for video processing.
Several other software programs can be classified in this category, including Microsoft's Windows Movie Maker, iMovie, GEAR Software's GEAR Video, Pinnacle Systems' MediaSuite, muvee Technologies' muveeNow and autoProducer.
With the availability of commodity video processing specialist video editing cards, and computers designed specifically for non-linear video editing, many software packages are now available to work with them.

Production...

Filmmaking takes place all over the world using different technologies, styles of acting and genre, and is produced in a variety of economic contexts that range from state-sponsored documentary in China to profit-oriented movie making within the American studio system.
A typical Hollywood-style filmmaking Production cycle is comprised of five main stages:


-Development
-Pre-production
-Production
-Post-production
-Distribution


This production cycle typically takes three years. The first year is taken up with development. The second year comprises preproduction and production. The third year, post-production and distribution.

Video resolution...

The size of a video image is measured in pixels for digital video, or horizontal scan lines and vertical lines of resolution for analog video. In the digital domain (e.g. DVD) standard-definition television (SDTV) is specified as 720/704/640×480i60 for NTSC and 768/720×576i50 for PAL or SECAM resolution. However in the analog domain, the number of visible scanlines remains constant (486 NTSC/576 PAL) while the horizontal measurement varies with the quality of the signal: approximately 320 pixels per scanline for VCR quality, 400 pixels for TV broadcasts, and 720 pixels for DVD sources. Aspect ratio is preserved because of non-square "pixels".New high-definition televisions (HDTV) are capable of resolutions up to 1920×1080p60, i.e. 1920 pixels per scan line by 1080 scan lines, progressive, at 60 frames per second.
Video resolution for 3D-video is measured in voxels (volume picture element, representing a value in three dimensional space). For example 512×512×512 voxels resolution, now used for simple 3D-video, can be displayed even on some PDAs.

Analog video formats...

Video formats are commonly known in the domain of commercial broadcast and consumer devices; most notably to date, these are the analog video formats of NTSC, PAL, and SECAM. However, video formats also describe the digital equivalents of the commercial formats, the aging custom military uses of analog video (such as RS-170 and RS-343), the increasingly important video formats used with computers, and even such offbeat formats such as color field sequential.


Analog video formats

-NTSC
-PAL
-SECAM