3
Table Of Contents
- Compressor 3 User Manual
- Contents
- Welcome to Compressor
- Getting Started Quickly
- Ways to Use Compressor
- The Basic Transcoding Workflow
- The Compressor Interface
- Setting Compressor Preferences
- Importing Source Media Files
- Creating, Previewing, and Modifying Settings
- Finalizing Jobs and Submitting Batches
- Creating AIFF Files
- Creating Dolby Digital Professional Output Files
- About the Dolby Digital Professional Encoder Pane
- General Information About Creating Dolby Digital Professional Files
- Converting Stereo Audio Files to Dolby Digital Professional Format
- Assigning Files to Surround Sound Channels (Manual Method)
- Assigning Files to Surround Sound Channels (Automatic Methods)
- Assigning Files to Surround Sound Channels with Droplets
- Options for Spatial Mixing
- Creating DV Stream Output Files
- Creating H.264 for Apple Devices Output Files
- Creating H.264 for DVD Studio Pro Output Files
- Creating H.264 for Blu-ray Disc
- Creating Image Sequence Files
- Creating MP3 Output Files
- Creating MPEG-1 Output Files
- Common Uses for MPEG-1
- MPEG-1 Specifications
- About the MPEG-1 Encoder Pane
- About the MPEG-1 Video Tab
- About the MPEG-1 Audio Tab
- About System and Elementary Streams
- MPEG-1 Transcoding Workflow
- Configuring the MPEG-1 File Format for Web Use
- Configuring the MPEG-1 File Format for DVD Use
- Creating the MPEG-1 Video for DVD Setting
- Creating the MPEG-1 Audio for DVD Setting
- Optional—Creating an MPEG-1 for DVD Group and Destination
- Creating MPEG-2 Output Files
- Creating MPEG-4 Output Files
- About MPEG-4 Part 2
- About the MPEG-4 Part 2 Encoder Pane
- Using Default MPEG-4 Part 2 Settings
- Customizing MPEG-4 Part 2 Settings
- Audio Podcasting Workflow
- Stage 1: Configuring the MPEG-4 Output for Audio-Only Output
- Stage 2: Including Podcasting Information
- Stage 3: Applying the Setting to a Source Media File’s Target
- Stage 4: Entering Annotations for the Output Media File
- Stage 5: Creating and Configuring Markers for the Output Media File
- Stage 6: Submitting the Job and Verifying the Output Media File
- Adding Additional Settings and Presets
- Creating QuickTime Movie Output Files
- Creating QuickTime Export Component Files
- Adding Filters to a Setting
- Working with Frame Controls
- Adding Geometry Settings
- Adding Actions
- Using the Preview Window
- Creating and Changing Destinations
- Using Droplets
- Appendix A: Keyboard Shortcuts
- Appendix B: Solving Problems
- Resources for Solving Problems
- Solutions to Common Problems
- Exporting from Final Cut Pro and Distributed Processing
- QuickTime Reference Movies
- Cluster Settings for Extended Transcoding Sessions
- Cleaning Up Cluster Storage
- Using Apple Qmaster with an NFS Server
- Apple Qmaster Distributed Processing and Xsan
- Compressor Command-Line Usage Requires Login
- Create Blu-ray Disc Job Action
- Contacting AppleCare Support
- Appendix C: Using the Command Line
- Installing Apple Qmaster from the Command Line
- Using the Command Line for Distributed Processing
- Using Scripts to Run Apple Qmaster, Compressor, and Batch Monitor
• Audio: Use this pop-up menu to choose from the four audio bit-rate options listed
below.
• None: Use this option to exclude audio from the output media file.
• 24 Kbps: Creates an audio bitstream at 24 Kbps for the iPhone (Cellular) device option.
• 128 Kbps: Creates an audio bitstream at 128 Kbps.
• 256 Kbps: Creates an audio bitstream at 256 Kbps.
• Frame Sync: Also known as the key frame interval, the Frame Sync value represents how
often a key frame is inserted in the H.264 stream. The lower the number, the more
smoothly the video can be manipulated (scrubbed) during playback (more frequent
key frames). The higher the number, the more efficient the compression (less frequent
key frames). The available range is from 2 to 10 seconds; the default is 5 seconds.
The Frame Sync setting also has an Automatic button. Clicking the Automatic button
causes the encoder to choose a frame sync rate that matches the source video file.
• Multi-pass: Similar to two-pass MPEG-2 encoding, multi-pass offers the best possible
quality. For faster (single-pass) encoding, turn this feature off by deselecting the
checkbox.
Note: If you are also using distributed processing, you may want to turn off job
segmenting. For more information, see Job Segmenting and Two-Pass or Multi-Pass
Encoding.
• Include AAC Audio: Use this checkbox to include a stereo AAC audio track in the output
movie. The audio track will have a bit rate of 128 kbps. The sample rate will be either
44.1 kHz or 48 kHz, depending on the input audio.
159Chapter 12 Creating H.264 for Apple Devices Output Files