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`2002
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`Documentation Devzine
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`White Papers
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`RealSystem (32 Overview
`
`| . Ove rview
`RealSystem G2 is a complete streaming solution that provides the richest streaming media
`experience for end—users over all bandwidths. For developers, it is an open, standards-based,
`extensible platform for application development. For broadcasters, ReaISystem is the most reliable,
`versatile and thoroughly tested system, that delivers the highest quality audio and video, and
`supports a wide variety of intranet. Intemet and commerce applications. For content producers, it
`provides a unique set of tools and system capabilities that allow rich, Internet programming that
`blends multiple media types into one presentation.
`
`It. The RealSystem G2 Highlights
`Highest Quality Audio and Video
`RealSystem G2 codecs have been substantially enhanced to ofier outstanding quality at all bit rates
`and under lossy network conditions. The new RealAudio G2 music codec enhances ti'equency
`response by 30% for 23.3 modem users. RealAudio and ReaNideo files now automatically scale to
`all bandwidths. and, using RealSystem GE's SureStreamfl technology, bitrate is dynamically
`adjusted to match available bandwidth. eliminating rebuffering.
`
`Rich New Multimedia Experiences
`The addition oftwo new datatypes [RealText and RealPix] as well as full support for SMIL
`[Synchronized Multimedia Integration Language} create professional, compelling multimedia that has
`broadband impact at narrowband delivery rates. Authors can create content combining smooth
`scrolling text with selectable fonts and colors, high resolution images using powerful transition efiects,
`along with streaming audio, video, or even animation. RealSystem G2's open architecture allows new
`datatypes to be added, such as MIDI, VRML, and MPEG.
`
`Next Generation Rea IPlayer G2
`A preview release of ReaISystem (32 will be made publicly available in May. RealPlayer G2 will offer
`consumers unparalled ease of use and control over their experience. Channels will give one-click
`access to over 60 leading media content providers and will show dynamically generated "Headline"
`text from each channel. New presets will allow users to conveniently organize and access favorite
`content. AutoUgdate will enable the ReaIPlayer G2 to intelligently update itself to the newest version
`in the background, eliminating the need for re—installation ofthe application during upgrades. New
`video and audio controls will allow ReaIPlayer Plus G2 users to fine-tune their multimedia experience
`using a ID—band graphic equalizer, audio waveform display, and contrasttbrightnessfsaturation
`adjustments.
`
`Open, Extensible Standards—based System
`RealSystem G2 is the first media system to implement two important industry standards, RTSP (Real
`Time Streaming Protocol), a clientr'server transport protocol, and SMIL (Synchronized Multimedia
`Integration Language}, a multimedia layout and integration language. Additionally, native support for
`standard media types is ofi'ered as well as su pport for standard client technologies.
`
`Ill. The Products
`RealSystem (32 is a complete open and extensible system, based on standards, that enables the
`richest multimedia experience available on the Internet and intranets today. The system is comprised
`of Players, Servers, and Tools and includes free entry level as well as revenue generating. advanced
`full—featured products in each of these system component areas.
`
`|||.A RealPlayer G2 and RealPlayer Plus G2
`Since the launch of RealAudiot .l] in 1995. RealAudio and ReaMdeo products have become the most
`popular streaming media solutions on the Internet. Over 200 million Real Players have been
`downloaded from RealNetworks Web site, at a current rate of more than one download per second.
`
`Watch for the next generation of RealPlayer to deliver compelling new features to create the richest
`multimedia experience available. Real Player G2 and RealPIayer Plus (32 users will have more control
`over their experience and higher quality delivered content than ever before.
`
`D New Realfludio GZ oodecs offer significant improvements in
`quality
`End users can experience high quality audio and video during
`periods oflossy network conditions and over 23.3 Kbps network
`connections. RealAudio G2 music codec otters amazing
`improvements in audio quality.
`El SureSu'eam'" technology delivers new levels of reliability
`RealSystem (32 eliminates objectionable rebuffen'ng by dynamically
`reducing stream bandwidth to match available capacity. ReaIAudio
`files can now scale from 14.4Kbps to 55Kbps smoothly enabling
`access to content from the widest range of network access rates.
`El Powerful new classes compelling multimedia content and
`presentation
`End users can enjoy broadband impact at narrowband rates through
`RealPix, RealText. and SMIL. RealPix allows high resolution images
`to be streamed with powerful transition efiects and overlays.
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`RealText high impact stafic and live text, can be added to mulfimedia
`presentations and offers smooth scrolling, selectable fonts and
`colors. SMIL allows choreographed presentation of multiple
`datatypes.
`El Easy access to great content. greater control over audio and
`video playback
`Using Channels, users have one—click access to content from 60
`leading media providers and can browse headlines dynamically
`generated fiom these sources. Presets offer the ability to for users to
`conveniently organize and ac cess favorite sources. New Graphic
`Equalizer. waveform display, and video controls allow users tofine—
`tune their experiences.
`U AutoUpdate keeps Players at newest version automatically
`Users can now take advantage of the most current versions of
`software through automatic notification and background installation,
`eliminating the need to reinstall the entire application. Needed
`datatypes or other new components are securely downloaded when
`required.
`
`”I .B RealSystem G2 Sewers
`RealSystem (32 streamlines the process of deploying streaming media for site adminstrators, and
`dramatically improves accessibility of content and quality of experience for site consumers. Built on a
`proven track record, RealSystem 62 enables broad scale distribution of content, adaptability for
`Internet and corporate intranet usage, and support for revenue generation. Real System G2
`introduces to the streaming media market a powerful, extensible server, including:
`
`El Standards-based architecture
`Delivers the first med ia-system implementation of two industry
`standards (RTSP and SMIL) that provide the basis for interoperability
`with legacy and future systems along with multi—vendor support.
`El Open and extensible architecture
`Allows third party development ofclient and server applications,
`utlities and dalatypes.
`U Su re Stream "“
`Enables the author to encode only once, but allows the server to
`deliver at any fixed or changing bandwidth without stream breakup or
`pauses {rebuffering}.
`U SMlL—based sewer—side media presentation layout
`Enables the server to deliver and choreograph multiple live and pre—
`recorded events, graphics. ads, and text feeds into a single
`compelling presentation.
`El Improved audio and video codecs
`Providing better quality RealAudio at all bit-rates and lossy network
`environments, and better frame rates and image quality for
`RealVideo.
`
`III .C RealSystem G2 Tools
`Authors can take advantage of the compelling new codecs and presentationilayout capabilities of
`RealSystem G2 to create rich multimedia content. Key tools capabilities offered in RealSystem G2
`include:
`
`El RealAudio GZ codecs with significandy improved quality
`RealAudio G2 music codecs offer amazing quality at all bitrates and
`under lossy conditions.
`El "Encode once" feature
`Allows a single RealAudio or RealVIdeo file to scale to all
`bandwidths, reducing production complexity and minimizing
`administration efforts.
`El SMIL Wizard
`A template driven tool for creating advanced multimedia
`presentations using SMIL, the new media layout standard from the
`W30.
`El RealProducer SDK and Active X Control
`Software Developer Kit {SDI-Q that exposes APl's to third parties to
`integrate RealAudio and RealVideo compression into their tools and
`applications for both real-time and static encoding.
`
`”ID The Data Types
`
`RealSystem (32 includes improved versions of RealAudio. ReaMdeo and adds two new important
`data types, RealPix and RealText. In addition, RealSystem G2 now supports many new streaming
`third-party data types and standard media types.
`
`El RealPix
`Allows existing image formats like JPEG to be easily added to
`presentations, ofiering powerful transition effects and overlay
`capabilities. RealPix allows content creators to be only a scanned
`image away from compelling streaming multimedia.
`El RealText
`Allows both static and live XML-compliant text to be added to
`presentations with powerful effects like smooth scrolling, selectable
`fonts, and selectable colors.
`El RealVideo
`Available with smoother video playback using post—filtering which
`scales to client CPU capability, automatic bitrate scalability across all
`bandwidths, and improved live performance delivering higher frame
`rates.
`El RealAudio
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`Offering 80% greater frequency response for 23.3Kbps modem
`connections‘ and dramatically increased packet loss tolerance using
`sophisticatd interleaving and loss interpolation techniques.
`El Real (32 with Flash
`Combines the compelling animation technology from Macromedia
`with the leading streaming media technology from RealNetworks to
`deliver high quality animation synchronized with RealAudio.
`El Third party datatypes
`Extensive 3rd party support delivers new datatypes such as VRML,
`MIDI. MPEG, and more from leading developers such as Iterated
`Systems, LivePicture, LiveUpdate, Macromedia, OZ. and P?
`D Standard datatypes
`A wide range of standard media types include AVl, WAVE ASF, VlVO,
`MPEG, JPEG‘ AU, AIFF
`
`IV. Summary
`RealSystem G2 provides the most powerful next generation media delivery system. creating the
`richest streaming multimedia experience on the Internet and corporate intranets today. This
`extensible open system built on industry standards is a powerful, generalized system for third party
`and corporate application developers.
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