TTML (Timed Text Markup Language, formerly specified as DXFP) was published as a detailed standard in November 2010 by the World Wide Web Consortium (W3C) that covers timed text on the Web with the goal[…]
Category: Glossary – Technical Terminology
ACS glossary of technical terminology
What is MXF file format?
MXF (Material eXchange Format) is a file format for the exchange between servers, tape streamers and digital archives for professional digital video and audio media defined by a set of SMPTE (Society of Motion Picture[…]
What is HDV format?
HDV is a format for recording high-definition video on DV (digital video) cassette tape. The format was originally developed by JVC and supported by Sony, Canon, and Sharp. The four companies formed the HDV consortium[…]
What is a WebM video file format?
WebM is a video file format intended primarily for royalty-free use in the HTML-5 video tag. The WebM Project releases WebM-related software under a BSD (Berkeley Software Distribution, a Unix-like operating system) license and all[…]
What is a FLV file?
FLV (Flash Video) is a container file format used to deliver video over the Internet using Adobe Flash Player version 6 and newer. Flash Video content may also be embedded within SWF (an Adobe Flash[…]
What is an AVI file?
AVI (Audio Video Interleaved) is a multimedia container format introduced by Microsoft in November 1992 as part of its Video for Windows software. AVI files contain audio and video data and metadata (such as subtitles[…]
What is MPEG-2?
MPEG-2 (H.222/H.262 as defined by the ITU) is a standard for the generic coding of moving pictures and associated audio information and metadata such as subtitles and closed captioning. It describes a combination of lossy[…]
What is timecode or TC?
A timecode is a sequence of numeric codes generated at regular intervals by a timing synchronization system. They provide a time reference for editing, synchronization, identification and transcription. In video production and filmmaking, SMPTE (Society[…]
What is 3GP?
3GP (3GPP file format) is a multimedia container format defined by the Third Generation Partnership Project (3GPP) for 3G UMTS (Universal Mobile Telecommunication System) multimedia services. It is used primarily on 3G mobile phones but[…]
What is MPEG transport stream?
MPEG transport stream (MPEG-TS, MTS or TS) is a standard format for transmission and storage of audio, video and Program and Information System Information Protocol (PSIP) data. It is used in broadcast systems such as[…]
