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Trademarks

1 Step RoboPDF, ActiveEdit, ActiveTest, Authorware, Blue Sky Software, Blue Sky, Breeze, Breezo, Captivate, Central, 
ColdFusion, Contribute, Database Explorer, Director, Dreamweaver, Fireworks, Flash, FlashCast, FlashHelp, Flash Lite, 
FlashPaper, Flash Video Encoder, Flex, Flex Builder, Fontographer, FreeHand, Generator, HomeSite, JRun, MacRecorder, 
Macromedia, MXML, RoboEngine, RoboHelp, RoboInfo, RoboPDF, Roundtrip, Roundtrip HTML, Shockwave, SoundEdit, 
Studio MX, UltraDev, and WebHelp are either registered trademarks or trademarks of Macromedia, Inc. and may be registered in 
the United States or in other jurisdictions including internationally. Other product names, logos, designs, titles, words, or phrases 
mentioned within this publication may be trademarks, service marks, or trade names of Macromedia, Inc. or other entities and 
may be registered in certain jurisdictions including internationally.

Third-Party Information

This guide contains links to third-party websites that are not under the control of Macromedia, and Macromedia is not 
responsible for the content on any linked site. If you access a third-party website mentioned in this guide, then you do so at your 
own risk. Macromedia provides these links only as a convenience, and the inclusion of the link does not imply that Macromedia 
endorses or accepts any responsibility for the content on those third-party sites.

Speech compression and decompression technology licensed from Nellymoser, Inc. (www.nellymoser.com). 

Sorenson™ Spark™ video compression and decompression technology licensed from 
Sorenson Media, Inc. 

Opera ® browser Copyright © 1995-2002 Opera Software ASA and its suppliers. All rights reserved. 

Macromedia Flash 8 video is powered by On2 TrueMotion video technology. © 1992-2005 On2 Technologies, Inc. All Rights 
Reserved. http://www.on2.com.

Visual SourceSafe is a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries.

Copyright © 2005 Macromedia, Inc.  All rights reserved. This manual may not be copied, photocopied, reproduced, 
translated, or converted to any electronic or machine-readable form in whole or in part without written approval from 
Macromedia, Inc. Notwithstanding the foregoing, the owner or authorized user of a valid copy of the software with which 
this manual was provided may print out one copy of this manual from an electronic version of this manual for the sole 
purpose of such owner or authorized user learning to use such software, provided that no part of this manual may be 
printed out, reproduced, distributed, resold, or transmitted for any other purposes, including, without limitation, 
commercial purposes, such as selling copies of this documentation or providing paid-for support services. 

Acknowledgments

Project Management: Sheila McGinn 

Writing: Chris Bedford

Managing Editor: Rosana Francescato

Lead Editor: Lisa Stanziano

Editing: Lisa Stanziano, Anne Szabla

Production Management: Patrice O’Neill, Kristin Conradi, Yuko Yagi

Media Design and Production: Adam Barnett, Aaron Begley, Paul Benkman. John Francis, Geeta Karmarkar, Masayo Noda, 
Paul Rangel, Arena Reed, Mario Reynoso

Special thanks to Jody Bleyle, Mary Burger, Lisa Friendly, Stephanie Gowin, Bonnie Loo, Mary Ann Walsh, Erick Vera, the beta 
testers, and the entire Flash and Flash Player engineering and QA teams.

First Edition: September 2005

Macromedia, Inc.

 

601 Townsend St.

 

San Francisco, CA 94103

000_FLVEncoder.book  Page 2  Friday, August 12, 2005  3:50 PM

Содержание FLASH 8-USING FLASH VIDEO ENCODER

Страница 1: ...Using Flash Video Encoder...

Страница 2: ...995 2002 Opera Software ASA and its suppliers All rights reserved Macromedia Flash 8 video is powered by On2 TrueMotion video technology 1992 2005 On2 Technologies Inc All Rights Reserved http www on2...

Страница 3: ...ncoding audio only files 13 About cue points 13 Encoding video with Flash Video Encoder 14 Saving the encoding queue 16 Removing files from the encoding queue 16 Skipping a file 16 Stopping the encodi...

Страница 4: ...4 Contents...

Страница 5: ...ou can reach the largest possible Internet viewing audience with low development testing and support costs Flash Video Encoder comes with Macromedia Flash Professional 8 or Macromedia Studio 8 This ch...

Страница 6: ...rt and and decompressed during playback You can use Flash Video Encoder on a computer that does not have Flash or other Macromedia Studio products installed This configuration lets you continue workin...

Страница 7: ...ou should understand video compression There are two types of compression that can be applied to digital media spatial and temporal Spatial compression is applied to a single frame of data independent...

Страница 8: ...pha channel to create composite video In order to support better quality video at the same data rate the On2 VP6 codec is noticeably slower to encode and requires more processor power on the client co...

Страница 9: ...high if your delivery channels and playback platforms allow it For full motion NTSC the standard defined by the National Television System Committee in the U S use 29 97 fps for PAL Phase Alternating...

Страница 10: ...nt as they walk in front of the door By default Flash Video Encoder automatically determines the keyframe interval to use based on the video clip s frame rate The keyframe interval value tells the enc...

Страница 11: ...ideo display resolutions on the Internet include 640 x 480 512 x 384 320 x 240 and 160 x 120 pixels The most common aspect ratio is 4 3 standard television Increasingly 16 9 and 2 1 wide screen aspect...

Страница 12: ...are typically displayed with either a 4 3 or 16 9 wide screen aspect ratio To calculate the image frame size to use when encoding video using non square pixels you must first decide which dimension w...

Страница 13: ...an analog source use the highest quality sound card available About cue points Cue points cause the video playback to start other actions within the presentation and let you synchronize the video wit...

Страница 14: ...lick Settings Edit Encoding Settings to display the Flash Video Encoding Settings dialog box Flash provides several pre configured encoding profiles that you can use to encode your video In the Encodi...

Страница 15: ...to begin encoding your files Flash 8 Video Encoder starts encoding the first file in the video encoding list While a file is being encoded the Status column of the video encoding list provides informa...

Страница 16: ...t is saved automatically when you exit Flash Video Encoder To save the encoding queue Select File Save Queue Removing files from the encoding queue You can remove any video from the encoding queue bef...

Страница 17: ...le Select File Stop Current File A dialog box prompts you to confirm that you want to stop the current file from encoding Click OK to stop the encoding process An error message that states The operati...

Страница 18: ...able in the Advanced Settings dialog box see the following sections Specifying advanced video encoding settings on page 18 Specifying advanced audio encoding settings on page 21 Defining and embedding...

Страница 19: ...te affects the video quality For more information see Understanding video standards and terminology on page 8 7 Select the key frame placement for the video Keyframes are video frames that contain com...

Страница 20: ...the Cue Point or the Crop and Trim tab to further modify the video s encoding settings or click OK to return to the main Flash 8 Video Encoding dialog box If you are ready to encode your video clips o...

Страница 21: ...d by default By default the audio codec is MP3 6 Select a data rate from the Data Rate pop up menu Better quality audio tracks such as music and significant background noise require a higher data rate...

Страница 22: ...The Advanced Flash Video Encoding options are displayed 4 If you haven t specified encoding setting for the video clip do so now To learn more see Encoding video with Flash Video Encoder on page 14 5...

Страница 23: ...nd displays a pop up menu that lets you select the type of cue point to embed A cue point marker is displayed on the slider control at the point where the cue point was embedded You can use the cue po...

Страница 24: ...lete key The cue point is deleted from the cue point list Cropping and trimming video Flash Video Encoder provides the following editing options that let you crop and trim video clips before encoding...

Страница 25: ...s in the preview window indicate the cropped area 7 To set the in and out points the points at which the video begins and ends drag the in and out point markers below the scrubber bar until you finish...

Страница 26: ...box see the following sections Specifying advanced video encoding settings on page 18 Defining and embedding cue points on page 21 Setting Flash Video Encoder preferences Flash Video Encoder provides...

Страница 27: ...tiate the newly encoded video clip from its source video To select a different destination folder in which to place FLV encoded video clips select the Place Output Files In checkbox The Browse for a F...

Страница 28: ...view the log file Select File Show Log The log file is displayed using the operating system s default text editing application Troubleshooting video encoding errors Flash Video Encoder provides an err...

Страница 29: ...ncoding adding files 14 troubleshooting 28 video settings 14 error messages viewing 28 F Flash Video Encoder about 6 codecs 7 error messages 28 log file 27 preferences 26 FLV QuickTime Export plug in...

Страница 30: ...e about 9 keyframe interval 10 keyframes about 10 quality setting specifying 20 resizing aspect ratio 20 trimming 24 troubleshooting 28 video codecs about 7 interframes 8 intraframes 8 On2 VP6 8 On2 V...

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