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Bài viết tập trung nghiên cứu, phân tích và đánh giá ba yếu tố ảnh hưởng tới chất lượng truyền phát video và audio sử dụng công nghệ WebRTC là sự đồng bộ hóa (Synchronization), tính ổn định (Stability) và chất lượng (Quality).
8 p dtu 24/03/2022 80 0
Từ khóa: Video ngang hàng, Video trực tuyến, Công nghệ WEBRTC, Chất lượng truyền phát video, Điện toán đám mây Google cloud
Real-Time Video Compression Techniques and Algorithms
This book is on real-time video compression. Specifically, the book introduces the XYZ video compression technique, that operates in three dimensions, eliminating the overhead of motion estimation. First, video compression standards, MPEG and H.261/H.263, are described. They both use asymmetric compression algorithms, based on motion estimation. Their encoders are much more complex than decoders. The XYZ technique uses a symmetric algorithm,...
172 p dtu 15/11/2012 153 3
Từ khóa: Video Compression Techniques, compression technique, symmetric algorithm, kỹ thuật nén, công nghệ nén, kỹ thuật viễn thông
Newnes Guide to Television and Video Technology
The terms of reference for this book rae very wide, and increase with each new edition. TV and video taken an ever larger part in our leisure, educational and recreational activities; here the technology behind them is explored and explained.
435 p dtu 15/11/2012 188 1
Từ khóa: Video Technology, satellite communications, thông tin liên lạc, vệ tinh thông tin, kỹ thuật thông, công nghệ phát thanh, công nghệ hình ảnh
Digital Video and HDTV Algorithms and Interfaces
In human vision, the three-dimensional world is imaged by the lens of the eye onto the retina, which is populated with photoreceptor cells that respond to light having wavelengths ranging from about 400 nm to 700 nm. In video and in film, we build a camera having a lens and a photosensitive device, to mimic how the world is perceived by vision. Although the shape of the retina is roughly a section of a sphere, it is topologically two...
700 p dtu 15/11/2012 186 2
Từ khóa: Digital Video, photosensitive device, flat image, kỹ thuật số, công nghệ hình ảnh, kỹ thuật hình ảnh
If marketing folks want to breathe new life into an existing technology, the method du jour is to tack “digital” onto the name. Today we have digital cable, digital cell phones, digital fuel injection, and now, digital video. But unlike some other technologies that have recently earned the digital prefix, digital video isn’t just a minor improvement over the old way of doing things. Digital video is a revolution that is changing the way...
409 p dtu 07/11/2012 163 1
Từ khóa: Digital video, digital cell phones, kỹ thuật số, khoa học công nghệ, kỹ thuật video, công nghệ video
RTP audio and video for the internet
This book describes the protocols, standards, and architecture of systems that deliver real-time voice, music, and video over IP networks, such as the Internet. These systems include voice-over-IP, telephony, teleconferencing, streaming video, and webcasting applications.The book focuses on media transport: how to deliver audio and video reliably across an IP network, how to ensure high quality in the face of network problems, and how to...
1487 p dtu 01/11/2012 200 2
Từ khóa: RTP audio and video for the internet, IP networks, voice-over-IP, giao thức mạng, mạng internet, công nghệ mạng