搜索结果: 196-210 共查到“知识库 广播电视文艺”相关记录490条 . 查询时间(4.795 秒)
Extracting Moods from Songs and BBC Programs Based on Emotional Context
Extracting Moods Songs BBC Programs Emotional Context
2009/9/2
The increasing amounts of media becoming available in converged digital broadcast and mobile broadband networks will require intelligent interfaces capable of personalizing the selection of content. A...
Block Iterative/Adaptive Frequency-Domain Channel Estimation for Cyclic-Prefixed Single-Carrier Broadband Wireless Systems
Block Iterative/Adaptive Frequency-Domain Channel Estimation Cyclic-Prefixed Single-Carrier Broadband Wireless Systems
2009/9/2
This paper presents a new block iterative/adaptive frequency-domain channel estimation scheme, in which a channel frequency response (CFR) is estimated iteratively by the proposed weighted element-wis...
System Level Evaluation of Innovative Coded MIMO-OFDM Systems for Broadcasting Digital TV
System Level Evaluation Innovative Coded MIMO-OFDM Systems Broadcasting Digital TV
2009/9/2
Single-frequency networks (SFNs) for broadcasting digital TV is a topic of theoretical and practical interest for future broadcasting systems. Although progress has been made in the characterization o...
Iterative Mean Removal Superimposed Training for SISO and MIMO Channel Estimation
Iterative Removal Superimposed Training SISO MIMO
2009/9/2
This contribution describes a novel iterative radio channel estimation algorithm based on superimposed training (ST) estimation technique. The proposed algorithm draws an analogy with the data depende...
Personalization of Mobile Multimedia Broadcasting
Personalization Mobile Multimedia Broadcasting
2009/9/2
This special issue is devoted to a well-focused subject: personalization of mobile multimedia broadcasting. Nevertheless, the topics of the papers published here demonstrate an amazing diversity. This...
Handheld Digital TV Performance Evaluation Method
Handheld Digital TV Performance Evaluation Method
2009/9/2
This paper presents a simplified method for signal level clearance evaluation in each place of signal reception up to threshold for a given portable TV receiver device. It describes briefly the struct...
Real-Time DVB-MHP Interactive Data Transcoding to Blu-Ray
Real-Time DVB-MHP Interactive Data Transcoding Blu-Ray
2009/9/2
Digital TV systems are being deployed worldwide, and interactive applications are being offered as part of the services. The unparalleled success of DVD technology has motivated the development of int...
Evolving the Convergence of Telecommunication and TV Services over NGN
Convergence Telecommunication TV Services NGN
2009/9/2
The convergence of telecommunication, cable TV, and broadcast networks towards the Internet technology will enable the provision of emerging multimedia services as well as the integration of rich comm...
Real-Time Communications in Large-Scale Wireless Networks
Real-Time Communications Large-Scale Wireless Networks
2009/9/2
There is an emerging need for realizing real-time quality of service (QoS) over multihop wireless communications in large-scale wireless networks. The applications can include wireless mesh infrastruc...
Turbo Decoder for Low-Power Ultrawideband Communication Systems
Turbo Decoder Low-Power Ultrawideband Communication Systems
2009/9/2
A new method to reduce the computational complexity of the turbo decoding in ultrawideband (UWB) orthogonal frequency division multiplexing (OFDM) system is proposed. Existing stopping techniques for ...
Iterative Decoding and Cross-Layering Techniques for Multimedia Broadcasting and Communications
Iterative Decoding Cross-Layering Techniques Multimedia Broadcasting
2009/9/2
The explosive growth of multimedia applications over the Internet and the ever-increasing users' demands over commercial terrestrial digital multimedia broadcasting all over the world call for efficie...
Live Broadcasting of High Definition Audiovisual Content Using HDTV over Broadband IP Networks
High Definition Audiovisual Content HDTV Broadband IP Networks
2009/9/2
The current paper focuses on validating an implementation of a state-of-the art audiovisual (AV) technologies setup for live broadcasting of cultural shows, via broadband Internet. The main objective ...
An Adaptive Systematic Lossy Error Protection Scheme for Broadcast Applications Based on Frequency Filtering and Unequal Picture Protection
Broadcast Applications Frequency Filtering Unequal Picture Protection
2009/9/2
Systematic lossy error protection (SLEP) is a robust error resilient mechanism based on principles of Wyner-Ziv (WZ) coding for video transmission over error-prone networks. In an SLEP scheme, the vid...
New Adaptive Algorithms for GOP Size Control with Return Channel Suppression in Wyner-Ziv Video Coding
New Adaptive Algorithms GOP Size Control Return Channel Suppression Wyner-Ziv Video Coding
2009/9/2
We present novel algorithms for adaptive GOP size control in distributed Wyner-Ziv video coding, where an H.264 video codec is used for intracoding of key frames. The proposed algorithms rely on theor...
Statistical Time-Frequency Multiplexing of HD Video Traffic in DVB-T2
Statistical Time-Frequency Multiplexing HD Video Traffic DVB-T2
2009/9/2
Digital video broadcast-terrestrial 2 (DVB-T2) is the successor of DVB-T standard that allows a two-dimensional multiplexing of broadcast services in time and frequency domains. It introduces an optio...