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2004 | Buch

Introduction Kapitel lesen Erstes Kapitel lesen

Multimedia Applications

verfasst von: Ralf Steinmetz, Klara Nahrstedt

Verlag: Springer Berlin Heidelberg

Buchreihe : X.media.publishing

Enthalten in: Professional Book Archive

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SUCHEN

Über dieses Buch

Multimedia Applications discusses the basic characteristics of multimedia document handling, programming, security, human computer interfaces, and multimedia application services. The overall goal of the book is to provide a broad understanding of multimedia systems and applications in an integrated manner: a multimedia application and its user interface must be developed in an integrated fashion with underlying multimedia middleware, operating systems, networks, security, and multimedia devices.

Fundamental information and properties of hypermedia document handling, multimedia security and various aspects of multimedia applications are presented, especially about document handling and their standards, programming of multimedia applications, design of multimedia information at human computer interfaces, multimedia security challenges such as encryption and watermarking, multimedia in education, as well as multimedia applications to assist preparation, processing and application of multimedia content.

Inhaltsverzeichnis

Frontmatter
Chapter 1. Introduction
Abstract
Multimedia is probably one of the most overused terms of the 90s (for example, see [Sch971). The field is at the crossroads of several major industries: computing, telecommunications, publishing, consumer audio-video electronics, and television/movie/broadcasting. Multimedia not only brings new industrial players to the game, but adds a new dimension to the potential market. For example, while computer networking was essentially targeting a professional market, multimedia embraces both the commercial and the consumer segments. Thus, the telecommunications market involved is not only that of professional or industrial networks—such as medium- or high-speed leased circuits or corporate data networks—but also includes standard telephony or low-speed ISDN and DSL. Similarly, not only the segment of professional audio-video is concerned, but also the consumer audio-video market, and the associated TV, movie, and broadcasting sectors.
Ralf Steinmetz, Klara Nahrstedt
Chapter 2. Database Systems
Abstract
The database technology was originally developed for large volumes of heavily structured (alphanumeric) data with requirements that differ from multimedia applications. For this reason, the traditional database systems are currently being expanded by multimedia-specific components and language primitives, allowing multimedia database management systems (MMDBMSs) to efficiently handle multimedia data and appropriately support multimedia applications. In particular, this concerns expansions to allow the interpretation of media data contents for processing and output, and to include the specific properties of media data, such as large data volumes, synchronization, and real-time processing conditions.
Ralf Steinmetz, Klara Nahrstedt
Chapter 3. Programming
Abstract
Many functionalities of modern multimedia applications, particularly the timecritical ones, which are available today as products, have usually been written in conventional procedural programming languages (e.g., C). Multimedia-specific functions, such as adjusting the volume while playing back an audio clip, are often still called or controlled via hardware-specific libraries. Also, parts of the application interfaces of operating system expansions for multimedia components still depend on hardware.
Ralf Steinmetz, Klara Nahrstedt
Chapter 4. Security
Abstract
This chapter deals with the security aspect in multimedia systems. We will begin with a discussion of the term security, as opposed to the term failure safety. As mentioned in other chapters, no arbitrary combination of media deserves the term multimedia. To particularly emphasize requirements in multimedia systems, our descriptions and discussions of security problems and solutions concentrate mainly on multimedia components. We will not discuss pure text components in detail, because they do not have any particular requirements, and are normally subject to well-known cryptographic methods frequently discussed in the literature. After a definition of the terms, we will present general security requirements in multimedia systems, followed by an introduction and discussion of various solutions for image, video, audio, and 3D data. To better explain the security approaches introduced here, we will close this chapter with several application examples to illustrate such security problems and practical security system solutions.
Ralf Steinmetz, Klara Nahrstedt
Chapter 5. Documents, Hypertext, and Hypermedia
Abstract
This chapter discusses documents in the context of multimedia. [App90] defines a document as a set of structured information which may be present in various media and may be generated or input at the time of presentation. A document is used by humans and is available for editing in a computer.
Ralf Steinmetz, Klara Nahrstedt
Chapter 6. Design
Abstract
Commercially successful multimedia products that use the possibilities offered by new media are normally developed by designers. This chapter deals with issues regarding the design goals to be achieved by each medium, and the design tools available to achieve these goals.
Ralf Steinmetz, Klara Nahrstedt
Chapter 7. User Interfaces
Abstract
Multimedia would be meaningless if the applications would not use the media available at the interface for input and output. Media determine how and how well human-computer interaction is supported. On the first computers, either the user or the computer had to enter various addresses by setting switches or entering commands. The medium “text” was used to allow users and computers to interact. The only computer input was punched cards and paper was the only output form. And text was also the only means for screen displays. Later applications offered text menus, which facilitated inputs for the user, but they still had to adapt to the computer.
Ralf Steinmetz, Klara Nahrstedt
Chapter 8. Multimedia Learning
Abstract
The use of technology for learning purposes has a long history: learning machines, “programmed teaching” in book form, first implemented on mainframes and later in learning software for the PC. The development of PCs and networked multimedia systems laid the foundation necessary to develop multimedia learning software and improve the way humans learn. This chapter discusses several possibilities and side conditions for multimedia learning on the computer [Has95] [IK97] [Sch97]. Our discussion focuses on learning as a process to acquire knowledge, as depicted in Figure 8-1).
Ralf Steinmetz, Klara Nahrstedt
Chapter 9. Multimedia Applications
Abstract
Applications are required for users to be able to interact with multimedia data. This means that applications are of central significance for users of multimedia systems, e.g., a person in search for some information from a kiosk system, or an artist who wants to create a presentation combining music, video, and animation. In all cases, users and data need an application to interact and create, modify and view this data. On the other hand, there is no general or universal approach to classify the large number of existing applications. This chapter introduces a representative set of this wealth and variety of multimedia applications.
Ralf Steinmetz, Klara Nahrstedt
Backmatter
Metadaten
Titel
Multimedia Applications
verfasst von
Ralf Steinmetz
Klara Nahrstedt
Copyright-Jahr
2004
Verlag
Springer Berlin Heidelberg
Electronic ISBN
978-3-662-08876-0
Print ISBN
978-3-642-07410-3
DOI
https://doi.org/10.1007/978-3-662-08876-0