The first sub-chunk is identified by the hdrl tag. An AVI file takes the form of a single chunk in a RIFF formatted file, which is then subdivided into two mandatory chunks and one optional chunk. Each chunk is identified by a FourCC tag. Its advatage is a simple architecture, due to which AVI runs on a number of different systems like Windows, Mac, Linux, Unix and is supported by all of the most popular web-browsers.'Īvi Converter View other video file presetsĪVI is a derivative of the Resource Interchange File Format (RIFF), which divides a file's data into blocks, or chunks. AVI combines audio and video into a single file in a standard container to allow simultaneous playback. Developed by Microsoft in 1992, it has become so widespread that many people consider it the de-facto standard for storing video and audio information on PC. More Information on DVD Video Detailed DVD Video Information Official DVD Forum Website Convert files to DVDĪVI stands for Audio Video Interleave. Although not part of the official DVD Video specification, a number of distributors have added copy protection to limit the ease with which a DVD may be ripped and copied. DVDs may also contain chapters which allow the user to easily navigate to a specific point in the video. A DVD may also include subtitles which are stored as bitmap images meaning that any language can be stored as subtitles. The DVD format also supports several types of audio including MP2 and Dolby Digital. At its peak several hundred million DVDs were sold yearly.ĪVI to DVD - Convert file now View other video file presetsĭVD uses a MPEG-1 or MPEG-2 compression, however MPEG-2 supports higher resolution, up to 720x576 pixels. Another threat to the sales of DVDs are the rise of online streaming services such as Netflix which allow a user instant access to video with similar or superior picture quality. DVD is slowly being overtaken by Blu-Ray which provides a further improvement in terms of quality. They quickly overtook VHS to become the most popular format for the distribution of video due to their durability (approximately 100 years) and the superior quality of the image. Released in 1995, DVD is a removable storage device.
0 kommentar(er)
