Modern Technology Applications

Topics: Adobe Flash, Flash Video, MPEG-4 Pages: 2 (533 words) Published: January 20, 2013
Adobe Flash (formerly Macromedia Flash) is a multimedia platform used to add animation, video, and interactivity to Web pages. Flash is frequently used for advertisements and games. More recently, it has been positioned as a tool for "Rich Internet Applications" ("RIAs"). Flash manipulates vector and raster graphics to provide animation of text, drawings, and still images. It supports bidirectional streaming of audio and video, and it can capture user input via mouse, keyboard, microphone, and camera. Flash contains an Object-oriented language calledActionScript. Flash content may be displayed on various computer systems and devices, using Adobe Flash Player, which is available free of charge for common Web browsers, some mobile phones and a few other electronic devices (using Flash Lite). Flash Video

Main article: Flash Video
Until the advent of HTML5, displaying video on a web page required browser plugins, which are uniquely implemented by third party vendors. Virtually all browser plugins for video are free and cross-platform, including Adobe's offering of Flash Video, which was first introduced with Flash version 6. Flash Video has been a popular choice for websites due to the large installed user base and programmability of Flash. In 2010, Apple has publicly criticized Adobe's implementation of Flash Video playback for not taking advantage of hardware acceleration, as well as criticizing Flash technology in general which has been cited as reason for not implementing Apple's mobile devices. Soon after Apple's criticism, Adobe demoed and released a beta version of Flash 10.1, which takes advantage of hardware acceleration even on a Mac. [edit]Flash Audio

Flash Audio is most commonly encoded in MP3 or AAC (Advanced Audio Coding) however it does also support ADPCM, Nellymoser (Nellymoser Asao Codec) and Speex audio codecs. Flash allows sample rates of 11, 22 and 44.1 kHz. It does not support 48 kHz audio sample rate which is the standard Tv, DVD sample rate....
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