数位广播及无线网路多模移动多媒体平臺 (第一及二阶段)
ART/006CP
20061120 - 20080819
14633
赵盛章博士
For the Phase 1 of this project, the deliverables are listed below:
1. Portable High Performance Video/Audio CODECs
• Audio: AAC-HE v2 and BSAC
• Video: H.264 Baseline Profile Level 1.3 for mobile TV
2. Mobile TV and Wi-Fi Dual Mode Platform
• Video streaming over Wi-Fi on 3.5” LCD screen
• Local multimedia recorder and player functions
• Mobile TV viewing for at least 3hours of TV viewing (1200mAh battery)
• Core technology modules, including fast-lock for quick service discovery and channel switch, T-DMB demux, application based dynamic power management, and DSP multimedia engine
For the Phase 2 of this project, the deliverables are listed below:
1. Portable High Performance Video/Audio CODECs
Audio
• AMR-WB+
Video
• Advanced error concealment technology (such as predict motion vector for corrupted macro blocks) applied when reconstruct and render the media content
2. Multi-standard mobile TV (DVB-H/T-DMB) and Intelligent Handset Dual Mode Platform
• Video streaming over 2.8 LCD screen
• Local multimedia recorder and player functions
• Mobile TV viewing for at least 3hours of TV viewing (1200mAh battery)
• Core technology modules, including fast-lock for quick service discovery and channel switch, DVB-H/T-DMB demux, CA, RSS reader, email, SMS, SD, application based dynamic power management, and DSP multimedia engine
3. Image Processing
• Image encoder and decoder up to 5M pixel supporting JPEG
• Color interpolation and Gamma correction
• Edge enhancement and Image special effect
• Brightness /contrast control
• False color suppression and noise reduction
• Core technologies, including de-noise technology for video pre-processing to reduce bitrate, anti-shaking algorithm, dithering algorithm to compensate low cost LCD, and auto exposure (AE) and auto white balance (AWB)
Amplesky contribution [赞助机构]
Texas Instruments software and tools [赞助机构]
本专案致力於研发支援数位广播及无线网路的移动双模多媒体平臺，目标是研究和开发出相容多种移动数位电视技术标準的平臺，通过无线网路（包括蜂窝网路和WiFi）和数位广播网路（包括DVB-H和T-DMB）的融合，该平臺能够在无线网路手持设备如PMP（Portable Media Player）或者手机上支援接收和播放移动电视节目。 移动数位电视技术广播的本质非常适用於传播对带宽需求很高的多媒体内容，同时对运营商而言也有很大的获利空间。通过和传统的移动网路或者WiFi网路相结合，该平臺可以提供返回路径，从而为交互服务提供了基础。 本专案将为移动电视服务提供高性价比的终端解决方案，平臺的主要组件如下： • 低功耗的多媒体引擎，可以实现高质量的多媒体内容重播 • 增强的图像信号处理演算法，可以用於优化拍照和LCD显示功能 • 双模技术，同时支援移动电视和手机或者WiFi功能 • 用於增强可用性和互操作性的特有技术 本专案中开发的技术和产品平臺包括： • 多种移动电视标準和多媒体编解码标準的支援，及通过无线网路进行的流媒体播放功能 的支持 • 高级图像处理技术 • 可用性和互操作性 • 动态能源管理 本专案之第一阶段将专注於双模技术及有关之多媒体引擎，以提供一个移动数位电视及Wi-Fi的平臺。