IMS allows operators to charge multimedia session appropriately: If a user USES videoconference over the 3g cellular network, there is usually a large data transfer that consists of audio and video.

IMS允许运营商对多媒体会话进行适当收费：如果用户通过3 G移动网络使用了视频会议，则通常会产生包含音频和视频的大量数据传输。

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In recent years, digital watermarking has been widely used in copyright protection for digital images, audio, video and multimedia products.

近年来，数字水印技术开始广泛用于数字图像，音频，视频和多媒体产品的版权保护。

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The purpose of this subject is to design a wireless multimedia system, realizing video, audio and other signals to transmit and deal with in real time.

本次课题的目的就是要设计一个无线多媒体系统，实现视频和音频等信号的实时传输和处理。

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Microsoft Windows Media Player: This audio and video player supports almost any type of local and streamed multimedia format, including Real Audio, Real Video, QuickTime, MIDI, MPEG-1, MPEG-2, MP3, AVI, .wav, .mov, .vod, and .au.

CNN: Top 10 video tools