Category: Multimedia Computing

Motion compensation is a technique used in video compression and encoding to reduce the amount of data required to represent a video signal. It works by exploiting temporal redundancy in video signals, which means that many frames in a video sequence are similar to each other. By analyzing the motion between frames, motion compensation allows for the prediction of subsequent frames, reducing the amount of data that needs to be transmitted or stored. Types of Motion Compensation: There are two ty... Read Mores

Introduction: Wavelet-based coding is a form of compression technology that uses wavelet transforms to reduce the size of digital data. The technology is particularly effective at compressing images and video files while maintaining the quality of the original data. Wavelet-based coding is widely used in digital media, including broadcasting, web streaming, and digital cinema. In this article, we will explore the working of wavelet-based coding, different types of wavelet transforms, advantages ... Read Mores

Introduction: Multimedia Network Communication refers to the use of multimedia elements, such as images, videos, audio, and text, in network communication. With the advancements in technology, the use of multimedia elements in communication has become ubiquitous. Multimedia networks allow users to share and exchange multimedia files in real-time, enhancing the user experience. In this article, we will discuss the applications of multimedia network communication and the challenges associated with... Read Mores

Introduction The Embedded Zerotree of Wavelet Coefficient (EZW) algorithm is a popular lossy image compression technique that was introduced by Shapiro in 1993. This algorithm is based on wavelet transforms and provides excellent compression ratios for still images with high visual quality. The algorithm is designed to achieve high compression by exploiting the self-similarity and statistical redundancy present in natural images. The EZW algorithm is considered to be the precursor to the modern ... Read Mores

Audio compression is a vital tool used in music production, broadcasting, and even in our daily lives, as it enables us to reduce the size of audio files, make them easier to transmit and store, and reduce the bandwidth required to transmit them. Audio compression involves the process of reducing the dynamic range of an audio signal, which is the difference between the loudest and softest parts of the signal. The purpose of this process is to make the signal easier to handle, store, and transmit... Read Mores

Introduction: Multimedia data compression is an important field of research that deals with the reduction of digital multimedia data size without significant loss of quality. The need for multimedia data compression is driven by the ever-increasing volume of digital media data being produced daily and the need to transmit and store them efficiently. Lossy compression algorithms are among the most commonly used techniques for multimedia data compression. In this article, we will discuss the real-... Read Mores

Multimedia streaming has revolutionized the way we consume digital content. It is the process of transmitting multimedia content, such as audio, video, and other types of media, over the internet in real-time. In this article, we will discuss how multimedia streaming works, along with its advantages and disadvantages. How Does Multimedia Streaming Work? Multimedia streaming involves transmitting multimedia data in small packets over the internet. The data is received by a client device, such as ... Read Mores

Media-on-Demand (MOD) refers to a type of service that provides users with access to media content such as videos, movies, music, and TV shows at their convenience. With Media-on-Demand, users can choose the content they want to watch or listen to and when they want to access it. It is a type of service that is becoming increasingly popular as more people switch to streaming services for their entertainment needs. How Does Media-on-Demand Work? Media-on-Demand services work by using a server or ... Read Mores

MPEG-4 is a digital multimedia standard that was developed by the Motion Picture Experts Group (MPEG) in the late 1990s. It is a compression technology that allows audio, video, and other media to be compressed into a smaller size, without sacrificing quality. MPEG-4 is widely used in a variety of applications such as streaming video, video conferencing, and mobile multimedia. MPEG-4 is designed to support a wide range of audio and video codecs, including H.264, AAC, and MP3. It also supports ad... Read Mores

Asynchronous Transfer Mode (ATM) is a high-speed networking technology that provides a reliable and efficient way to transport multimedia data over a network. It was designed to handle a wide range of multimedia traffic such as voice, video, and data traffic, and has become a popular choice for backbone networks in large enterprises. In this article, we will discuss how multimedia data is transported over an ATM network. 1. ATM Cell Format: ATM uses a fixed-length cell format of 53 bytes to tran... Read Mores