VivoActive
Encyclopedia
VivoActive is an audio/video format created by Vivo Software
, acquired by RealNetworks
in 1997. It uses H.263
video and G.723
ADPCM audio. VivoActive uses inter-frame coding, but does not insert any key frames, except at the beginning of the clip, which effectively disables the possibility of seeking to specific locations in the stream.
The VivoActive technology was integrated to the RealMedia
, the .viv format was replaced by .rm (RealMedia).
Vivo Software
Vivo Software was a pioneer internet streaming media company which was acquired by RealNetworks in March 1998. Vivo Software designed the Vivo Video/Audio platform, including its encoding tools and end-user VivoActive Player....
, acquired by RealNetworks
RealNetworks
RealNetworks, Inc. is a provider of Internet media delivery software and services based in Downtown Seattle, Washington, United States. The company is the creator of RealAudio, a compressed audio format; RealVideo, a compressed video format; RealPlayer, a media player; RealDownloader, a download...
in 1997. It uses H.263
H.263
H.263 is a video compression standard originally designed as a low-bitrate compressed format for videoconferencing. It was developed by the ITU-T Video Coding Experts Group in a project ending in 1995/1996 as one member of the H.26x family of video coding standards in the domain of the ITU-T.H.263...
video and G.723
G.723
G.723 is a ITU-T standard speech codec using extensions of G.721 providing voice quality covering 300 Hz to 3400 Hz using Adaptive Differential Pulse Code Modulation to 24 and 40 kbit/s for digital circuit multiplication equipment applications...
ADPCM audio. VivoActive uses inter-frame coding, but does not insert any key frames, except at the beginning of the clip, which effectively disables the possibility of seeking to specific locations in the stream.
The VivoActive technology was integrated to the RealMedia
RealMedia
RealMedia is a proprietary multimedia container format created by RealNetworks. Its extension is ".rm". It is typically used in conjunction with RealVideo and RealAudio and is used for streaming content over the Internet....
, the .viv format was replaced by .rm (RealMedia).
Playback
The official client (The VivoActive Player) was limited. Current available clients are:- MplayerMPlayerMPlayer is a free and open source media player. The program is available for all major operating systems, including Linux and other Unix-like systems, Microsoft Windows and Mac OS X. Versions for OS/2, Syllable, AmigaOS and MorphOS are also available. The Windows version works, with some minor...
- http://www.mplayerhq.hu - RealPlayerRealPlayerRealPlayer is a cross-platform media player by RealNetworks that plays a number of multimedia formats including MP3, MPEG-4, QuickTime, Windows Media, and multiple versions of proprietary RealAudio and RealVideo formats.-History:...
- http://www.real.com - VivoActive Browser Plug-in - http://egg.real.com/vivo-player/vivodl.html