REALPRODUCER PRO™ USER’S GUIDE
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`Information in this document is subject to change without notice. Companies, names, and data used in
`examples herein are fictitious unless otherwise noted. No part of this document may be reproduced or
`transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written
`permission of RealNetworks, Inc.
`©1998-1999 RealNetworks, Inc.
`RealAudio, RealVideo, and RealPlayer are registered trademarks of RealNetworks, Inc.
`The Real logo, RealServer, RealPlayer Plus, RealText, RealPix, RealAudio Encoder, RealVideo Encoder,
`RealEncoder, RealPublisher, RealProducer, RealProducer Plus, RealProducer Pro, SureStream, RealBroadcast
`Network, and RealSystem are trademarks of RealNetworks, Inc.
`ACELP-NET codec used under license from Université de Sherbrooke. Sipro Lab Télécom, Inc. Copyright ©1994-
`1997. All rights reserved.
`Microsoft, MS-DOS, Windows, and Windows NT are registered trademarks and ActiveX is a trademark of
`Microsoft Corporation.
`Netscape and Netscape Navigator are registered trademarks of Netscape Communications Corporation.
`Intel and Pentium are registered trademarks and MMX and the Intel Optimizer Logo are trademarks of Intel
`Corporation.
`Other product and corporate names may be trademarks or registered trademarks of other companies. They are
`used for explanation only, with no intent to infringe.
`
`RealNetworks, Inc.
`1111 Third Avenue, Suite 2900
`Seattle, WA 98101 USA
`
`http://www.real.com
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`CONTENTS
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`CONTENTS
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`1
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`2
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`3
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`1
`INTRODUCTIONTO RFAIPRODUCERPRO
`1
`INTRODUCTION TO REALPRODUCER PRO
`RealProducer'Pro G2 Features.............................................. .. 1
`RealProducer Pro G2 Features................................................ 1
`About 'Ihis Manual ............................................................. .. 1
`About This Manual ............................................................... 1
`Fbr'More Information. ......................................................... .. 2
`For More Information............................................................ 2
`
`INSTAIHNG RFAIPRODUCERPRO
`INSTALLING REALPRODUCER PRO
`System Requirements ............................................................ 3
`System Requirements .......................................................... .. 3
`Howto Install ..................................................................... .. 4
`How to Install ....................................................................... 4
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`3
`3
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`5
`5
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`PRODUCTION BASICS
`PRODUCTION BASICS
`What is Streaming Media?..................................................... 5
`What is Streaming Media? ................................................... .. 5
`Components of a Presentation............................................... 5
`Components ofa Presentation............................................. .. 5
`Video .............................................................................. .. 6
`Video................................................................................ 6
`Audio ............................................................................. .. 6
`Audio ............................................................................... 6
`Text ................................................................................ .. 6
`Text.................................................................................. 6
`Layout.............................................................................. 6
`Iayout ............................................................................ .. 6
`Input Quality ........................................................................ 7
`Input Quality ...................................................................... .. 7
`Tips on Creating AVI files................................................... 7
`Tips onCreatingAVIfiles................................................. .. 7
`Tips on creating WAV files ................................................. 8
`Tips on creating WAVfi1es ............................................... .. 8
`
`9
`CREATING A STREAMING MEDIA PRESENTATION
`9
`CREATING A STREAMING MEDIA PRESENTATION
`The RealProducer'Pro Main Window.................................... .. 9
`The RealProducer Pro Main Window...................................... 9
`Input and Output Viewers ................................................10
`Input and Output Viewers .............................................. .. 10
`Timeline ........................................................................ .. 10
`Timeline ..........................................................................10
`Event Buttons ................................................................ .. 11
`Event Buttons ..................................................................11
`Media Source Iist........................................................... .. 11
`Media Source List.............................................................11
`Overview of Steps.................................................................11
`Overview of Steps ............................................................... .. 11
`Step 1: Start a Project...........................................................11
`Step 1:Sta1taProject......................................................... ..11
`Step 2: Edit the Media Source ...............................................12
`Step 2: Eiit the Media Source ............................................. .. 12
`Step 3: Add Information About the Presentation....................13
`Step 3: Add Information About the Presentation.................. .. 13
`Step 4: Choose a Compression Setting ..................................13
`Step 4: ChooseaCompression Setting ................................ ..13
`Step 5: Add Captions and URL Events ...................................14
`Step 5: Add Captions and URLEvents ................................. .. 14
`Adding a Caption.............................................................14
`Adding a Caption........................................................... .. 14
`Adding a URL Event .........................................................16
`Adding a URLEvent ....................................................... .. 16
`Editing and Deleting Captions and URL Events ..................17
`Eliting and Deleting Captions and URLEvents ................ .. 17
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`Step 6: Choose a Presentation Layout ...................................17
`Step 7: Check the Presentation’s Properties ...........................20
`Input Properties...............................................................21
`Output Properties ............................................................22
`Using the Analyzer............................................................23
`Step 8: Generate and Play the Presentation............................23
`Generating the Output .....................................................24
`Playing the Presentation ...................................................24
`
`PUBLISHING TO THE INTERNET
`Using Server Profiles .............................................................27
`RealServer Information.....................................................28
`Web Server Information ...................................................29
`Creating a Server Profile ...................................................30
`Working with Server Profiles .............................................33
`Publishing Web Pages to a Server..........................................33
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`27
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`35
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`ADVANCED FEATURES
`Adjusting Compression Settings............................................35
`Target Audiences .............................................................36
`SureStream or Single Rate?...............................................36
`Video Output Size ............................................................37
`Frame Rate......................................................................37
`Creating a New Compression Setting ................................37
`Changing a Setting for a Single Media Source ....................40
`Changing General Preferences...............................................41
`Changing File Generation Defaults........................................42
`Changing SureStream Preferences .........................................44
`Changing Template Defaults ................................................45
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`49
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`CREATING CUSTOM TEMPLATES
`How RealProducer Pro Uses Templates .................................49
`Web Page Templates............................................................49
`Creating the HTML Template File .....................................50
`Creating the Thumbnail ...................................................52
`SMIL Templates ...................................................................52
`Creating the SMIL Template File .......................................53
`Creating the Bitmap Image...............................................55
`
`THE COMMAND INTERFACE
`Using realprodpro................................................................57
`Switches ..........................................................................58
`Examples.........................................................................58
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`57
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`Automating Movie Generation..........................................59
`Using rmeditor.....................................................................59
`Switches ..........................................................................60
`Examples .........................................................................60
`Using rmevents.....................................................................61
`Switches ..........................................................................62
`Examples .........................................................................62
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`INTRODUCTION TO REALPRODUCER PRO
`
`Welcome to RealProducer Pro G2 from RealNetworks. RealProducer
`Pro lets you create streaming media presentations for use on the
`World Wide Web or for a corporate Intranet.
`
`RealProducer Pro G2 Features
`RealProducer Pro creates multimedia presentations with RealAudio and
`RealVideo technology using the following file formats as the source material:
`
`• Video for Windows Audio Video Interleaved (AVI or .avi) files
`
`• WAVE (WAV or .wav) files
`Using a sliding timeline, you can add captions or other interactive events to
`any point of your presentation, greatly enhancing your original audio or video
`clips. You can also use the timeline to edit the length of the clip.
`In addition, you can quickly create Web pages that contain your new
`presentation and then publish them to the Internet using simple wizards that
`guide you step by step. Visitors to your Web page can then instantly experience
`your video and audio with a RealPlayer.
`
`About This Manual
`Chapter 1: Installing RealProducer Pro explains installation procedures and
`provides information about system requirements for installing and using
`RealProducer Pro.
`Chapter 2: Production Basics contains general information about media
`(video and audio) concepts and using media over networks. It describes the
`different components of a streaming media presentation (including SMIL)
`and is recommended regardless of whether you are new to media or an
`experienced media producer.
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` Introduction to RealProducer Pro
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`RealProducer Pro User’s Guide
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`Chapter 3: Creating a Streaming Media Presentation shows you each step
`necessary to generate streaming media presentations from existing media
`files.
`Chapter 4: Publishing to the Internet shows you how to create a Publishing
`Profile and how to add your content to a Web server or RealServer.
`Chapter 5: Advanced Features contains information on customizing
`compression settings and adjusting other advanced preferences.
`Chapter 6: Creating Custom Templates describes how you can create your own
`layout templates and Web page templates that will work with RealProducer
`Pro.
`Chapter 7: The Command Interface describes how to use the RealProducer
`Pro through the MS-DOS command line.
`
`For More Information
`For additional information about using streaming media effectively and how
`to create different types of multimedia presentations, refer to the RealSystem
`G2 Production Guide, available for download from the RealNetworks Web site
`at:
`
`• http://service.real.com/help/library/index.html
`For technical support with RealSystem G2, please fill out the form at:
`
`• http://service.real.com/contact/email.htm
`The information you provide in this form will help technical support
`personnel to give you a prompt response. For general information about
`RealNetworks' technical support, visit:
`
`• http://service.real.com/help/call.html
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` Chapter 1:
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`INSTALLING REALPRODUCER PRO
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`This chapter details requirements needed by your system to run
`RealProducer Pro and also provides step-by-step installation
`instructions.
`
`System Requirements
`RealProducer Pro is currently available for the following operating systems:
`• Microsoft Windows 95® (OSR-2)
`• Microsoft Windows 98®
`• Microsoft Windows NT® 4.0 (Service Pack 3)
`Compatible Internet browsers are:
`
`• Netscape Navigator v 3.0 or later
`
`• Microsoft Internet Explorer v 3.02 or later
`In addition, you need the following hardware to run RealProducer Pro:
`
`Requirement
`CPU
`
`Hardware Requirements
`Minimum
`Pentium® 120
`
`16 MB
`8 MB
`
`Sound Card
`
`RAM
`Hard Disk space
`(software)
`1 GB
`Hard Disk space (data) 500 MB
`24-bit (True Color) set
`Color Display
`16-bit (High Color) set
`to 1024 x 768 resolution
`to 800 x 600 resolution
`16-bit sound card or better
`
`Recommended
`Pentium® 166 with
`MMX
`32 MB
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`How to Install
`Follow this procedure to install the product on your computer.
`
`To install RealProducer Pro:
`
`1. Insert the RealProducer Pro compact disc in your CD-ROM drive, or
`download the install program if you purchased the product from the
`RealNetworks Web site.
`
`2. Double-click the install program to begin installation.
`
`3. At the Welcome screen, click the Next button.
`
`4. Inspect the Program License Agreement, and click Yes to agree.
`
`5. Enter your name, the name of your company, and the serial number of the
`product. This number was given to you when you purchased the product.
`Click Next when finished.
`
`6. Choose a destination directory location or accept the default location, and
`click Next.
`
`7. Choose a program folder of your Start menu for the product, and click
`Next.
`RealProducer Pro begins to install on your computer.
`
`8. After installation is completed, you can view the ReadMe and run the
`program. Click Finish to return to the desktop.
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` Chapter 2:
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`PRODUCTION BASICS
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`This chapter introduces you to streaming media, shows you the
`different parts of a streaming media presentation, and gives you tips
`for creating quality input. Although you do not need to know this
`information in order to use RealProducer Pro for basic tasks, it is
`recommended that you have a working knowledge of these topics.
`
`What is Streaming Media?
`Streaming media presentations created by RealProducer Pro can contain
`RealAudio, RealVideo, and RealText. Prior to streaming, you had to wait for a
`file to download from an Internet or network server in order to experience it.
`When you create a streaming media presentation, users can view it almost
`instantly.
`Streaming media allows you to send small packets of information over a
`network connection. The user receives the information packets and plays your
`media piece by piece. The process is almost invisible to the user, except for a
`small amount of buffering at the beginning.
`RealProducer Pro G2 is an integral part of the RealNetworks RealSystem G2.
`RealProducer Pro creates the presentations, RealServer™ G2 sends them
`across the Internet, and RealPlayer™ G2 shows them to the user.
`
`Components of a Presentation
`A presentation created with RealProducer Pro can be as simple or as complex
`as you wish. It can include audio, video, and text in a layout designed for
`streaming to RealPlayer G2, or it can just be a sound clip embedded in a Web
`page. Any of these media elements can then be synchronized together to create
`a rich, multi-media presentation.
`This section introduces you to the different components that can make up a
`streaming media presentation created with RealProducer Pro.
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`Video
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`Audio
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`Text
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`Layout
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`A video clip consists of a series of individual pictures, or “frames,” displayed
`rapidly to simulate motion. The higher the frame rate, the smoother the
`motion. For example, a video clip recorded at 30 frames per second (fps)
`makes the motion appear natural.
`Using a computer, you convert the analog video frames from a video tape to
`digital form. Files converted on a computer have the file extension .avi and are
`frequently referred to as “AVI files,” “AVI videos,” or “AVI movies.”
`A frame rate of 30 fps works out to 1800 frames for a minute of video, which
`partly explains why video files are so large. A large file increases the download
`time, discouraging viewers from playing your video. Adding audio to a video
`clip further increases its size. For this reason, converting AVI files into a
`streaming RealVideo file allows your work to be seen without waiting for long
`downloads.
`
`Clear and good-sounding audio in a presentation can greatly improve a user’s
`experience. You can create RealAudio files either by converting digital WAV
`files or by converting just the soundtrack of an AVI video.
`RealProducer Pro gives you various compression options based on the type of
`audio you are converting: voice, voice with background music, music only, or
`stereo music. As expected, the quality of the original audio will have the
`greatest effect on the ultimate quality of the compressed audio.
`
`You can use RealProducer Pro to add text to a presentation by adding a
`caption. A caption is any typed text that enhances the audio or video and
`appears in the presentation at a time that you designate.
`Text can be useful, for example, if you need to subtitle a foreign language
`program. For more information on adding text to your presentations, see
`“Adding a Caption” on page 14.
`
`The way in which all of the above media elements are brought together is
`through a layout. RealSystem G2 uses the SMIL (pronounced “smile”) mark-
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`up language to format layout. Refer to the RealSystem G2 Production Guide if
`you want to learn more about the SMIL language.
`RealProducer Pro contains a number of SMIL layout templates that fit most
`common needs. For more information on creating a custom layout for your
`presentation, see “Creating Custom Templates” on page 49.
`
`Input Quality
`Ultimately, the quality of the input media file and its soundtrack will have the
`greatest effect on the video and audio in your output streaming media files.
`RealProducer Pro cannot make up for limitations in the input media file. For
`example, if your input media file uses voice-quality sound, selecting stereo
`sound in the RealProducer Pro will not result in a media file with stereo
`quality sound. You need to recapture the input media file in stereo sound
`before converting it with RealProducer Pro.
`To help you in situations such as this, RealProducer Pro will analyze your
`input media source. It notes the settings you select and flags cases where you
`stand a better chance of achieving your intended results by improving the
`quality of the input media file. When a media file is flagged, you will see a
`warning icon (a yellow triangle or a red dot) next to the file in the Input list.
`For more information, see “Using the Analyzer” on page 23.
`Following are some general tips for creating quality media files that work best
`as media sources for your streaming presentation.
`
`Tips on Creating AVI files
`In order to get high quality output, your video source should meet these
`requirements:
`
`• AVI files should have a 24-bit color depth.
`
`• The standard video frame size for the Internet is 176 x 144.
`
`• The file should be uncompressed for best results.
`
`• Intel’s Indeo drivers must be installed on your machine for RealProducer
`Pro to be able to open AVI files created with YUV9 format. The Indeo
`drivers are available from the Intel Web site (http://www.intel.com).
`Other video compressor drivers may be required if your media clip uses
`compressed video. However, if you captured an AVI file on the same
`machine as RealProducer Pro, there is typically no problem.
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`Tips on creating WAV files
`Follow these tips in order to get the best quality from your audio source.
`Generally, the better your recorded WAV file sounds, the better the generated
`media presentation will be.
`
`• Use a sound editor to adjust the amplitude of your signal to maximize the
`available dynamic range. If you do not adjust the signal, the resulting WAV
`file may sound flat.
`
`• If your original audio file signal exceeds the acceptable amplitude range
`for RealProducer Pro, the file may be “clipped.” Clipping can give rise to
`clicks or pops on playback. If your source file contains a clipped signal,
`your final generated file will have high-frequency background noise or
`static. Lowering the input volume when recording your media source will
`help reduce clipping.
`
`• Cut any unnecessarily long silences from the beginning or end of the
`output file to conserve space.
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` Chapter 3:
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`CREATING A STREAMING MEDIA
`PRESENTATION
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`This chapter gives you step-by-step instructions on how to use
`RealProducer Pro to create streaming media presentations from
`video and audio files. You will learn everything from starting a new
`project, editing a presentation, generating RealMedia files, adding a
`layout, to publishing to a Web page.
`
`The RealProducer Pro Main Window
`Before you begin to create a streaming media file, let’s briefly tour the
`different components of the RealProducer Pro main window.
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`The RealProducer Pro Main Window
`
`Input and Output Viewers
`At the top of the main window are two screens where you view the video. The
`left screen is the Input Viewer where the video source file is shown. The right
`screen is the Output Viewer where you see the RealVideo file as it is generated.
`The Media Controls underneath the Input Viewer help you move around
`within the media file. You can also navigate by using keyboard arrow keys.
`
`Timeline
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`The timeline is a graphical representation of the input file. You can move the
`slider to any frame and mark the start and end of your presentation with the
`Mark In and Mark Out buttons. The current frame and time position are also
`shown here.
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`Event Buttons
`The Event Buttons let you add events that are synchronized to a location in
`your RealMedia file. For more information on events, see “Step 5: Add
`Captions and URL Events” on page 14.
`
`Media Source List
`This list shows you the current media sources associated with the project.
`Here, you can add, delete, and select sources that you want to work with. Also
`located here are buttons that you can use to choose compression settings,
`choose a layout, or generate, preview, and publish the presentation.
`
`Overview of Steps
`Because there are many steps involved in creating RealMedia with
`RealProducer Pro, the rest of this chapter is divided into sections that guide
`you through each step.
`Step 1: Start a Project
`Step 2: Edit the Media Source
`Step 3: Add Information About the Presentation
`Step 4: Choose a Compression Setting
`Step 5: Add Captions and URL Events
`Step 6: Choose a Presentation Layout
`Step 7: Check the Presentation’s Properties
`Step 8: Generate and Play the Presentation
`
`Step 1: Start a Project
`The first step in creating a RealMedia presentation is starting a project. A
`project contains a number of media files that are ready to be converted into
`RealMedia files. For this section, we will assume that you are creating a new
`project.
`The following procedure shows you how to add source media files to a new
`project.
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`To start a new project:
`
`1. Choose New Project from the File menu. Or, when starting RealProducer
`Pro for the first time, click Create a New Project.
`A new project opens with no files listed in the Media Source list.
`
`2. In the RealProducer Pro main window, click the Add Media button.
`The Add Media File dialog box opens.
`
`3. Navigate to a media file and select it. (To select several files, press CTRL
`and click each one. To select a range of files, press SHIFT and click the
`first and last file in the range).
`
`4. Click Open.
`The sources that you selected are listed in the Media Source section of the
`RealProducer Pro main window. If you are converting a video file, the first
`frame of the video appears in the Input Viewer.
`
`Step 2: Edit the Media Source
`If you want to generate only part of the input media source, you can indicate
`the beginning and end points of the clip that will be converted by
`RealProducer Pro. This step is optional, but it can be useful to cut superfluous
`portions from either the beginning or the end of the input media source.
`
`To edit the input media source:
`
`1. Select a file from the Media Source list.
`
`2. Drag the Timeline slider until you find the point where you want the
`output clip to begin. You can also use the control buttons to play the
`media source to the desired point.
`
`3. Click the Mark In button.
`
`4. Drag the slider to the point where you want the output clip to end.
`
`5. Click the Mark Out button.
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`6. If you want to undo your work, choose Marks>Reset Marks from the Edit
`menu.
`
`Step 3: Add Information About the Presentation
`Before you create the output file, RealProducer Pro allows you to change
`various properties for the generated output .rm file. You can give the
`presentation a title, add the author’s name to it, and specify the copyright
`date and owner. All of this information will show in the RealPlayer when your
`presentation is played.
`It is recommended that you add a title, an author, and any copyright
`information that will label your output file. If you do not specify any of these
`properties, RealProducer Pro will leave them blank as a default. You can
`change the defaults in the Preferences dialog box. See “Changing File
`Generation Defaults” on page 42 for more information.
`
`To add information about the output file:
`
`1. In the RealProducer Pro main window, select a media source.
`
`2. Type in the title of your presentation in the Title field.
`
`3. Type the Author name and the Copyright owner in the respective fields.
`
`Step 4: Choose a Compression Setting
`A compression setting allows you to quickly specify how a media file is to be
`compressed during generation. A number of settings are included with
`RealProducer Pro that are specifically designed to work for audiences that
`connect at specific bit rate targets, such as Dial-up modems or high bit rate
`ISDN connections. Some settings are designed to work for multiple audiences
`using SureStream technology. See “SureStream or Single Rate?” on page 36 for
`more information.
`You can add your own compression setting, or edit an existing setting. See
`“Adjusting Compression Settings” on page 35 to learn more about
`compression settings and their components.
`
`To choose a compression setting for your media file:
`
`1. In the RealProducer Pro main window, select a media source.
`
`2. Click the Compression button.
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`A pop-up menu opens, listing the available settings. If none are available,
`the pop-up menu is not displayed.
`
`3. Select a compression setting.
`The new setting is listed in the Compression section of the Media Source
`list. The output file name will change reflecting your selection.
`
`Step 5: Add Captions and URL Events
`You can add various kinds of interactive effects to your media file's timeline,
`and synchronize them to specific points. These effects happen at a specified
`moment during playback and are part of the final presentation. You can
`instruct the presentation to display a caption, open another Web page (URL),
`or give the user a clickable image map at a particular point.
`If you add a caption or URL event, make sure you use the correct layout
`template. See the next step, “Step 6: Choose a Presentation Layout” on page 17
`for more information.
`
`Adding a Caption
`A caption is text that is synchronized with a specific point in the media file.
`Captions appear as RealText in a designated part of the final presentation
`layout. Captions can be used to sub-title a video clip, to show song lyrics, or to
`add other comments.
`
`To add a caption to your media file:
`
`1. Drag the slider along the Timeline (or use the Media Control buttons)
`until you find the point where you want the caption to occur.
`
`2. Click the Add Caption button.
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`The Caption dialog box opens.
`
`3. In the Caption Text field, type in the text you want displayed.
`
`4. If your text will be a hyperlink to a Web page, select URL Link and type in
`the full URL of the Web page. For example:
` http://www.real.com/devzone/index.html
`
`5. Choose the Text Properties tab.
`
`6. Select the attributes for your text: Typeface, Point Size, style
`(Bold/Italic/Underline), Foreground Color and Background Color.
`
`7. Select Clear Previous if you want to wipe out any previous captions before
`this one appears. If unselected, the previous caption will scroll to make
`room for the new caption.
`
`8. Select Center if you want to center the text.
`
`9. Choose a number of breaks.
`
`10. Click OK to return to the main window.
`
`11. The caption is designated by a yellow mark on the Timeline.
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`Adding a URL Event
`During your presentation, another Web page can be opened in the user’s
`browser at a specified point during playback. This technique can be useful for
`soliciting user feedback or showing Web pages that are highlighted in your
`media file.
`
`To add a URL event to your media file:
`
`1. Drag the slider along the Timeline (or use the Control buttons) until you
`find the point where you want the caption to occur.
`
`2. Click the Add Event button.
`The URL Event dialog box opens.
`
`3. Select the type of URL event that you want to add:
`Launch URL—simply opens the default Web browser to the designated
`Web page
`
`Clickable image—when the video clip is clicked by the user, the Web
`browser opens
`
`Clear clickable image—clears the last clickable image set
`
`4. Type the full URL that will automatically open. Use the following format
`(specifying the filename is optional):
`http://domain-name/filename.htm
`For example:
`
`http://www.real.com/index.htm
`
`Note
`You can use an absolute or relative path to the file. An
`absolute path includes the http:// protocol, the domain
`name, any directories, and the filename
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`5. If you want the event to appear in an HTML frame in your presentation,
`add the frame’s name in the Display in Frame field. The page will open in
`a new browser window if your presentation uses a stand-alone player.
`
`6. Click OK to return to the main window.
`
`7. The caption is designated by a pink mark on the Timeline.
`
`Editing and Deleting Captions and URL Events
`You can edit or delete any caption or URL event. You can also align them to a
`specific point in the input file and to new events. For example, you can add a
`URL event and have it occur at the same time as a new caption.
`
`To edit, delete, or align y