RealAudioâ and RealVideoâ Content Creation Guide Version 5.0 RealNetworks, Inc. Contents Contents Introduction......................................................................................................................... 1 Streaming and Real-Time Delivery................................................................................... 1 Performance Range .......................................................................................................... 1 Content Sources ............................................................................................................... 2 Web Page Creation and Publishing................................................................................... 2 Basic Steps to Adding Streaming Media to Your Web Site ............................................... 3 Using this Guide .............................................................................................................. 4 Overview ............................................................................................................................. 6 RealAudio and RealVideo Clips ....................................................................................... 6 Components of RealSystem 5.0 ........................................................................................ 6 RealAudio and RealVideo Files and Metafiles .................................................................. 8 Delivering a RealAudio or RealVideo Clip ....................................................................... 9 Delivering Synchronized Multimedia ............................................................................. 12 Static Encoding.............................................................................................................. 13 Modifying RealAudio and RealVideo Clips .................................................................... 14 Live Encoding................................................................................................................ 14 Title, Author, and Copyright .......................................................................................... 15 RealEncoder and RealPublisher Installation....................................................................... 16 Installing RealEncoder and RealPublisher on Windows platform.................................... 16 Installing RealEncoder on Macintosh Platform............................................................... 18 Files Installed by RealEncoder and RealPublisher for Windows...................................... 20 Files Installed by RealEncoder for Macintosh ................................................................. 22 System Requirements......................................................................................................... 23 Windows 95 and Windows NT System Requirements..................................................... 24 Macintosh Requirements ................................................................................................ 27 Using RealEncoder and RealPublisher ............................................................................... 29 Source Files for Static Encoding..................................................................................... 30 Encoding RealAudio or RealVideo Files for Windows.................................................... 35 Encoding RealAudio or RealVideo Files for Macintosh .................................................. 38 Command Line Encoding for Windows.......................................................................... 41 Batch Encoding for Macintosh ....................................................................................... 43 Using and Creating Templates ....................................................................................... 46 Performance Tips and Tricks.......................................................................................... 60 Bandwidth Negotiation ...................................................................................................... 70 i RealAudio and RealVideo Content Creation Guide Creating Files with the Bandwidth Negotiation Option................................................... 70 Bandwidth File Organization ......................................................................................... 71 Bandwidth Negotiation Example.................................................................................... 81 RealEncoder Plug-in for Adobe Premiere........................................................................... 82 Encoding with Adobe Premiere 4.2 ................................................................................ 83 Marker Options.............................................................................................................. 85 Supported File Formats .................................................................................................. 86 Synchronized Multimedia .................................................................................................. 88 Creating a Synchronized Presentation for RealSystem 5.0 .............................................. 89 Creating a Synchronized Presentation for RealAudio 3.0 Systems .................................. 90 Creating an Input Events File......................................................................................... 91 Using Synchronized Multimedia from Local Files .......................................................... 92 Using Synchronized Multimedia with Bandwidth Negotiation........................................ 92 Frames: The Basics ........................................................................................................ 93 Editing Audio and Video Files........................................................................................... 94 Editing RealAudio and RealVideo Files.......................................................................... 94 Command Line Editing of RealAudio or Real Video Files.............................................103 Image Maps ..................................................................................................................112 Modifying RealAudio and RealVideo File Descriptions .................................................118 Advanced Editing..........................................................................................................119 Publishing to the Web.......................................................................................................120 Creating Web Pages (HTML) ........................................................................................120 Automatic Creation of Metafiles....................................................................................123 Publishing Your Files....................................................................................................124 Broadcasting Live Content................................................................................................130 Delivering Live Content with RealServer ......................................................................132 Live Broadcast System Requirements ............................................................................136 Encoding Live Content for Windows.............................................................................138 Simulating a Live Broadcast..........................................................................................147 Advertising Live Events....................................................................................................149 Configuring Your Web Site ..............................................................................................151 Making the Most of Your Content.................................................................................151 Metafiles .......................................................................................................................152 HTTP Streaming ...........................................................................................................156 Custom Controls for RealAudio and RealVideo.............................................................158 Content Creation for Internet Appliances and Set-top Boxes .............................................181 Index ................................................................................................................................183 ii Introduction Introduction Real System 5.0ä is today’s most powerful solution for streaming real-time live and on-demand audio and video over the Internet and corporate intranets. This guide explains how to create and manage RealAudioâ and RealVideoâ content using RealEncoder 5.0â or RealPublisher 5.0ä and, in some cases, information about creating and managing content using RealAudio Encoder 3.0 or 3.1. Streaming and Real-Time Delivery RealSystem 5.0ä enables streaming audio and video for reliable transmission under real-life conditions. Streaming is the latest technology for audio and video available and allows the audio or video clip to play as soon as it starts being received by your computer. Real-time delivery means that you do not have to wait while a file downloads; the clip plays as soon as your computer C starts to receive it. You also have complete control over the clip; you can pause, O move forward and back, and start or stop at any time. N T E Performance Range N T With RealEncoder and RealPublisher you can choose