Method for Switching and Displaying Annotations and Original Texts of Multimedia Files with Copyright Protection Function

Abstract

The invention discloses a multimedia file annotation and original text switching display method with the copyright protection function and relates to the field of multimedia. According to the method, when a multimedia file with the copyright protection function is applied and digitalized reading is performed, switching between fine-grit annotation and an original text is achieved. The fine grit degree refers to the effect that annotation and an original text of elements in a page can be switched. The essential structure for achieving the method comprises a tree structure identification corresponding device, a user behavior judging device, a secret key memorizer, an encrypted file memorizer and a decrypting algorithm device. According to the method, under the condition that flexible authorized access can be performed between the original text and the annotation, the capacity for fast switching the annotation and the original text through gestures can be provided for a user. The method has the promoting effect in digitalized reading popularization and the teaching aspect and has the advantages of being safe, reliable, capable of being fast popularized, easy and convenient to maintain, low in operating cost and wide in application range.

Description

technical field [0001] The invention relates to the field of multimedia, in particular to a method for switching and displaying annotations and original texts during digital reading of multimedia files that provide copyright protection for digital publishing. Background technique [0002] Digital publishing is a new publishing format produced by the combination of publishing industry and high-tech. Its main features are digitization of content production, digitization of management process, digitization of product form and network of communication channels. Due to its massive storage, convenient search, fast transmission, low cost, strong interaction, environmental protection and low carbon, etc., it has become a strategic emerging industry of the press and publishing industry and the main direction of the development of the publishing industry, and it is also a national economy and social informatization. An important part of. Vigorously developing the digital publishing i...

AI Technical Summary

Problems solved by technology

[0004]In the existing technology, the annotation and original text switching display during digital reading face the following practical problems in practical application: First, the switching display can only be performed on the whole file toggle display

It cannot realize the fine-grained switching display of chapters, sections, pages, and in-page elements

[0005]The second point is that copyright protection cannot be achieved when switching between annotations and original text

The annotations and annotations for digital reading in the prior art are only for the description of the overall document content, so there is no technology for independently forming a copyright-protected annotation document with identification

[0006] The third point is that the convenience of switching between annotations and original text is not enough

Images