Integrate multi-feature to divide all samples into 13 subclasses after the discussion of the diversity of audios, and the accuracy can reach 85% without any prerequisites of type-information. 2.

The aim of steganography is to embedded secret information imperceptibly into cover files ( can be images, audios, videos or other mediums) so that the presence of hidden data can not be detected.

密写的目的是将秘密信息隐藏在载体（包括文本、图像、音频、视频等）中，在传递载体的同时传递秘密信息并且不被人察觉。

It refers to apply the Streaming technology to transmit the media files online, such as videos 、 animations 、 audios, etc. Streaming Media Service is the application of the Streaming Media Technology on the Network and Terminal.

流媒体是指应用流式传输技术在网络上传输的多媒体文件，包括视频、动画、音频等。

However, as there are plenty of redundant information in digital video and audio information, and the redundant information in digital videos and audios which are always take up great amount of storage space restrict the development of multimedia technology.

然而，由于数字视音频信息具有大量冗余信息，并且占用的存储空间极大，限制了多媒体技术的发展。

The paper is dealing with the algorithm of low-bite rates aiming at ITLs high demand for audios QoS and large scaled realtime interactivity, as well as the problems existing in the present system.

针对视音频处理的实时授课系统在语音方面对QoS服务质量和大规模网上群体实时交互的高需求及现有系统存在的问题，设计了低比特率音频处理算法。

As an effective solution for copyright protection and authentication, the watermarking technique of 3D mesh models is becoming a new hotspot after the watermarking technique of texts, images, audios, videos.

三维模型数字水印技术作为数字产品版权保护的技术，继文本、图像、声音和视频等数字水印技术之后，正成为数字水印技术研究中的热点。

Information hiding is a newly risen technique in the art of information security of digital multimedia. It can be applied to protecting or transmitting important information, such as texts, audios or videos.

信息隐藏是数字媒体信息安全领域一个新兴的技术，可应用于重要信息的安全保存和传输，这里被保护的信息可以是文字、音频或视频等信息。

The technology can be used to solve the matter of copyright and identification in spreading audios by Internet and other digital media. So the study of this thesis is very meaningful and socioeconomic benefit.

主要用于解决当前网络信息和各种数字媒体的版权保护以及身份鉴定问题，该课题是目前世界上信息学科界具有前瞻性的高新技术的一个重要的分支，其研究工作具有积极的社会经济效益。

Also available in Chinese The amount of unstructured data is and will continue to increase exponentially due to astronomical data generated from videos, audios, graphics and web applications.

由于视频、音频、图形和web应用程序生成天文数量的数据，非结构化数据的数量正在而且会继续呈指数增加。

Using the stream data processing and distorting audios. Through changing the frequency of the sound, formants, time compression and expansion to achieve the voice changing.

使用文件流方式处理音频，通过改变声音的频率，共振峰，压缩和扩展时间帧频实现了声音的变化。

Besides, as the time goes by, a plenty of precious historical information and audios/ videos are urgently to be repaired and protected.

同时，随着岁月的流逝，许多珍贵的历史资料和音像素材都亟需加以修复和保护。

Through the method that embedding the mark into digital multimedia such as images, audios and videos, it can prove the ownership of content owners.

数字水印技术通过把水印信息嵌入到数字图像、音频、视频等多媒体数字信息中的方法，用以证明权益拥有者对其作品的所有权。

70% of courses presented instruction content with the text, the pictures, animations, audios and videos were less than 25%.

70%的课程以文本呈现教学内容，图片、动画、音频、视频不足25%。

The second deals with the media and vehicles of music criticism, such as concerts, journals, audios and videos.

第二节涉及到音乐批评实践的媒介，如音乐会、新闻杂志、录音录像等各个方面。

We tweak text and photo-sharing social networking sites to create a new product to share, perhaps audios and videos.

我们对可以让人们分享文字和图片的社交网络进行改革，创造了一种可以分享音频、视频的新产品。

For example, you might start listening to personal development or business audios while commuting to up-skill in some area.

比如说，在上下班路上你可以开始听一些关于个人发展或者商业的音频资料。

In the paper we did necessary improvement to the present popular LSB. And we propose new ways to improve digital watermarking for audios.

本文对目前最流行的最不重要位法（LSB）相关算法进行了必要的改进，并且提出了更多有效的针对音频、语音数据的数字水印算法。

BLOB data such as images, electrical documents, audios and videos can be stored in related databases.

数据库系统中可以存储图像、文档、音频、视频等BLOB数据。

The main research work in this paper is to apply the all-digital holography to the information security of the computer images and audios.

本论文的主要工作是在全数字全息术理论的基础上，将其应用于图像以及音频的信息安全方面。

By using MIMO technology, the digital audios, images and other multi-media products can be transferred in wider application range.

MIMO技术的采用促进了数字音频、数字图像、数字影像等多媒体产品在无线通信领域的应用。

At the same time, by listening to some representative actual audios, the research conclusion will be verified.

同时，力求结合聆听一些代表作的实际音响以验证课题探讨的结论。