Symphony Nitris DX, released in 2008, added support for a range of HD codecs, including HDV, XDCAM-HD, DVCPRO HD, and AVC-I, and brought back Mac OS support for OS X 10.5, as well as Windows Vista.
Within QuickTime, there were image codecs, media handlers, media data handlers, video digitizer drivers, file format importers and exporters, and many others.
Video Codec Comparison carried out through Moscow State University Compression Project, Elecard AVC Encoder demonstrated the fastest encoding speed and high picture quality, ranking 5th (and last among the tested H.264 encoders) in the overall codecs comparison results.
Many codecs are in contention such as Microsoft's Windows Media 9(VC1), H.264/AVC (MPEG-4 Part 10) and the VP6/VP7 codecs from On2 Technologies.
The HTC Desire HD incorporates Dolby Mobile, Sound Retrieval System WOW Surround Sound, DLNA, Adobe Flash 10.2, and DivX/Xvid video playback support, however, not many audio codecs are supported and apps have to be downloaded in order to support more formats.
The release concerns only H.264 video and not AAC audio formats, since "the standards bodies have aligned on Opus and G.711 as the common audio codecs for WebRTC".
Video codecs such as MPEG-2, H.264 or Ogg Theora reduce the amount of data in a stream by following key frames with one or more inter frames.
Miracast allows a portable device or computer to send, securely, up to 1080p HD video and 5.1 surround sound (AAC and AC3 are optional codecs, mandated codec is linear pulse-code modulation — 16 bits 48 kHz 2 channels).
OpenCodecs is a software package for enabling HTML5 video on Microsoft Windows, particularly using the Theora and WebM codecs in Internet Explorer.
PEAQ (Perceptual Evaluation of Audio Quality) for audio quality of e.g. lossy audio codecs,
RealNetworks says that the RealVideo and RealAudio codecs are not available in source code under the RPSL license.
These low-complexity codecs make it possible to watch high definition movies in 1280×720 (720p) or 1920×1080 (1080p) resolutions on many modern personal computers running Microsoft Windows XP or Windows Vista, although the hardware requirements are steep.