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A Digital Cinema Package (DCP) is a collection of digital files used to store and convey digital cinema (DC) audio, image, and data streams. The term was popularized by Digital Cinema Initiatives, LLC in its original recommendation [ 1 ] for packaging DC contents.
M2TS supports Digital 3D as multiple files in a specific file structure for encoding stereoscopic video: MVC stereoscopic data is in .ssif files in the /BDMV/STREAM/SSIF/ directory and require a respective base .m2ts file. Digital 3D in QTFF and ASF is possible, but not standard. MP4 only supports Digital 3D at the video format level. [44]
The transition from film to digital video was preceded by cinema's transition from analog to digital audio, with the release of the Dolby Digital (AC-3) audio coding standard in 1991. [1] Its main basis is the modified discrete cosine transform (MDCT), a lossy audio compression algorithm. [ 2 ]
The quality the codec can achieve is heavily based on the compression format the codec uses. A codec is not a format, and there may be multiple codecs that implement the same compression specification – for example, MPEG-1 codecs typically do not achieve quality/size ratio comparable to codecs that implement the more modern H.264 specification.
The spread of digital media, and the wide range of literacy and communications skills necessary to use it effectively, have deepened the digital divide between those who have access to digital media and those who do not. [53] The rising of digital media has made the consumer's audio collection more precise and personalized.
A Media Block or Integrated Media Block (IMB) is a component in a digital cinema projection system. Its purpose is to convert the Digital Cinema Package [ 1 ] (DCP) content into data that ultimately produces picture and sound in a theater in compliance with DCI anti- piracy encryption requirements.
The digital book format used by the digital library company Chaoxing Digital Library (超星数字图书馆) [31] in China. It is a proprietary raster image compression and binding format, with reading time OCR plug-in modules.
A digital copy is a commercially distributed computer file containing a media product such as a film or music album. The term contrasts this computer file with the physical copy (typically a DVD , Blu-ray , Blu-ray 3D , or Ultra HD Blu-ray disc) with which the digital copy is usually offered as part of a bundle .