Leawo Prof. Media

About ISO Format ISO image (International Organization for Standardization), or called an ISO file, is the image of an entire CD or DVD, the whole contents of which can be completely duplicated and contained in a single ISO file. ISO image is an image file produced by copying all information in an optical disc. Therefore, ISO image is qualified to be the genuine digital copy of the original. It usually has a file extension of .iso and might contain a…

About H.264 Format H.264 is a video compression technology, or codec, that was jointly developed by the International Telecommunications Union (as H.264) and International Organization for Standardization/International Electrotechnical Commission Moving Picture Experts Group (as MPEG-4 Part 10, Advanced Video Coding, or AVC). Thus, the terms H.264 and AVC mean the same thing and are interchangeable. H.264/AVC is a major video compression scheme and is widely used in a number of applications as it provides a far more efficient codec than…

About FLV Format FLV stands for Flash Video which is a container file format used for deliver video over the Internet using Adobe Flash Player versions 6—11. Flash Video content may also be embedded within SWF files. The audio and video data within FLV files are encoded in the same way as they are within SWF files. As a format designed for web video playback, it offers high rates of compression and produces high quality video. FLV is becoming more…

About FLAC Format FLAC (Free Lossless Audio Codec) is a lossless audio format and the audio is compressed without any loss in quality. As it is lossless by nature it does not remove information from the audio stream, as in MP3, AAC, and Vorbis audio formats. If any audio file is encoded to FLAC then the size of the file is reduced to about 40 to 50 percent (46% according to their own comparison), thus reducing the storage requirements. FLAC…

DVD is an optical disc storage format, invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995. It is mainly used for video and audio storage. DVDs can be single- or double-sided, and can have two layers on each side; a double-sided, two-layered DVD will hold up to 17 gigabytes of video, audio, or other information. This compares to 650 megabytes (.65 gigabyte) of storage for a CD-ROM disk. DVDs are of the same dimensions as compact discs (CDs),…

About DivX DivX is video format created by DivX, Inc. DivX became quite popular due to the ability to compress videos to almost 15% of the original size (i.e. 2Gb doen to 700Mb). That means that a full film can be fitted into a CD. What is important, the .divx files retain much of the original quality of the DVD, sometimes the result is even indistinguishable from the source. DivXNetworks creates and distributes this technology which often referred to as…

Blu-ray, also known as Blu-ray Disc (BD), is the name of a new optical disc format jointly developed by the Blu-ray Disc Association (BDA), a group of the world’s leading consumer electronics, personal computer and media manufacturers (including Apple, Dell, Hitachi, HP, JVC, LG, Mitsubishi, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, TDK and Thomson). The format was developed to enable recording, rewriting and playback of high-definition video (HD), as well as storing large amounts of data. The format offers more…

About AVI Format AVI stands for Audio Video Interleave (or Audio Video Interleaved), is a multimedia container format introduced by Microsoft as part of its video for Windows technology. AVI combines audio and video into a single file in a standard container to allow simultaneous playback. AVI is a derivative of the Resource Interchange File Format (RIFF), which divides a file's data into blocks, or "chunks." Each "chunk" is identified by a FourCC tag. An AVI file may carry audio/visual…

About AVCHD Format AVCHD stands for Advanced Video Codec High Definition, is first developed by Sony and Panasonic in 2006 to deliver high definition video on consumer camcorders. AVCHD is a form of video compression that allows the large data files created by HD video recording to be captured and saved on digital media such as hard disk drives and flash memory cards. AVCHD uses MPEG-4 AVC/H.264 (AVC) video compression codec or Dolby AC-3 (Dolby Digital) or linear PCM audio…

About ASF Format ASF stands for Advanced Systems Format. It was developed by Microsoft as part of the Windows Media framework. ASF is based on serialized objects which are essentially byte sequences identified by a GUID marker.ASF is most commonly used for streaming media purposes. The format doesn't specify the way video or audio should be encoded. ASF specifies the structure of video or audio stream. Due to this encoded with different audio or video codecs the files will still…