文件名称:
Overview of the MPEG-4 Standard
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上传时间: 2007-08-24
详细说明： This document gives an overview of the MPEG-4 standard, explaining which pieces of technology it includes and what sort
of applications are supported by this technology.
Table of Contents
l Executive Overview
l Table of Contents
l 1. Scope and features of the MPEG-4 standard
m 1.1 Coded representation of media objects
m 1.2 Composition of media objects
m 1.3 Description and synchronization of streaming data for media objects
m 1.4 Delivery of streaming data
m 1.5 Interaction with media objects
m 1.6 Management and Identification of Intellectual Property
l 2. Major Functionalities in MPEG-4 Version 1
m 2.1 DMIF
m 2.2 Systems
m 2.3 Audio
m 2.4 Visual
n 2.4.1 Formats Supported
n 2.4.2 Compression Efficiency
n 2.4.3 Content-Based Functionalities
n 2.4.4 Scalability of Textures, Images and Video
n 2.4.5 Shape and Alpha Channel Coding
n 2.4.6 Robustness in Error Prone Environments
n 2.4.7 Face Animation
n 2.4.8 Coding of 2-D Meshes with Implicit Structure
l 3. Major Functionalities in MPEG-4 Version 2
m 3.1 Systems
m 3.2 Visual
n 3.2.1 Natural Video
n 3.2.2 Body animation
n 3.2.3 Coding of 3-D Polygonal Meshes
m 3.3 Audio
m 3.4 DMIF
n 3.4.1 Support to mobile networks
n 3.4.2 Qos Monitoring
n 3.4.3 UserCommands with ACK
n 3.4.4 Management of MPEG-4 Sync Layer information
n 3.4.5 DAI syntax in C language
l 4. Extensions to MPEG-4 beyond Version 2
m 4.1 Visual
m 4.2 Systems
n 4.2.1 Advanced BIFS
n 4.2.2 Textual Format
n 4.2.3 Advanced Synchronization Model
n 4.2.4 2D and 3D animation
l 5. Profiles in MPEG-4
m 5.1 Visual Profiles
m 5.2 Audio Profiles
m 5.3 Graphics Profiles
m 5.4 Scene Graph Profiles
m 5.5 MPEG-J Profiles
m 5.6 Object Descriptor Profile
l 6. Verification Testing: checking MPEG’s performance
m 6.1 Video
n 6.1.1 Coding Efficiency Tests
n 6.1.1.1 Low and Medium Bit rates (version 1)
n 6.1.1.2 Content Based Coding (version 1)
n 6.1.1.3 Advanced Coding Efficiency (ACE) Profile (version 2)
n 6.1.2 Error Robustness Tests
n 6.1.2.1 Simple Profile (version 1)
n 6.1.2.2 Advanced Real-Time Simple (ARTS) Profile (version 2)
n 6.1.3 Temporal Resolution Stability Test
n 6.1.3.1 Advanced Real-Time Simple (ARTS) Profile (version 2)
n 6.1.4 Scalability Tests
n 6.1.4.1 Simple Scalable Profile (version 1)
n 6.1.4.2 Core Profile (version 1)
m 6.2 Audio
l 7. The MPEG-4 Industry Forum
l 8. Detailed technical description of MPEG-4 DMIF and Systems
m 8.1 DMIF
n 8.1.1 The DMIF Computational Model
m 8.2 Demultiplexing, synchronization and description of streaming data
n 8.2.1 Demultiplexing
n 8.2.2 Synchronization and description of elementary streams
n 8.2.3 Buffer Management
n 8.2.4 Time Identification
m 8.3 Advanced Synchronization (FlexTime) Model
n 8.3.1 Flexible duration
n 8.3.2 Relative start and end time
n 8.3.3 The FlexTime support in MPEG-4
n 8.3.3.1 The TemporalTransform node
n 8.3.3.2 The TemporalGroup node
n 8.3.3.3 The SegmentDescriptor
n 8.3.4 The Execution Model
m 8.4 Syntax Description
m 8.5 Binary Format for Scene description: BIFS
n 8.5.1 Advanced BIFS
m 8.6 User interaction
m 8.7 Content-related IPR identification and protection
m 8.8 Object Content Information
m 8.9 MPEG-4 File Format
m 8.10 MPEG-J
l 9. Detailed technical description of MPEG-4 Visual
m 9.1 Applications of the MPEG-4 Video Standard
m 9.2 Natural Textures, Images and Video
m 9.3 Synthetic Objects
m 9.4 Scalable Coding of Video Objects
m 9.5 Robustness in Error Prone Environments
m 9.6 Improved temporal resolution stability with low buffering delay
m 9.7 Coding of Textures and Still Images
m 9.8 Coding of Multiple Views and Multiple Auxiliary Components
n 9.8.1 facial animation
n 9.8.2 Body animation
n 9.8.3 2-D animated meshes
n 9.8.4 3D Meshes
n 9.8.5 View-dependent scalability
m 9.9 Structure of the tools for representing natural video
m 9.10 Support for Conventional and Content-Based Functionalities
m 9.11 The MPEG-4 Video Image and Coding Scheme
n 9.11.1 Coding Efficiency in V.2
m 9.12 Coding of Textures and Still Images
m 9.13 Scalable Coding of Video Objects
m 9.14 Robustness in Error Prone Environments
n 9.14.1 Resynchronization
n 9.14.2 Data Recovery
n 9.14.3 Error Concealment
l 10. Detailed technical description of MPEG-4 Audio
m 10.1 Natural Sound
m 10.2 Improvements in MPEG-4 Audio Version 2
n 10.2.1 Error Robustness
n 10.2.2 Low-Delay Audio Coding
n 10.2.3 Fine grain scalability
n 10.2.4 Parametric Audio Coding
n 10.2.5 CELP Silence Compression
n 10.2.6 Error Resilient HVXC
n 10.2.7 Environmental Spatialization
n 10.2.8 Back channel
n 10.2.9 Audio transport stream
m 10.3 Synthesized Sound
l 11. Annexes
m Annex A - The MPEG-4 development process
m Annex B - Organization of work in MPEG
m Annex C - Glossary and Acronyms ...展开收缩
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