With the rapid growth on multimedia signal processing and communication, virtual video conferencing is becoming possible.

随着多媒体信息处理和通信技术的飞速发展，虚拟视频会议系统越来越成为可能。

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Many common multimedia signal processing, including cropping, filtering, and perceptual coding, make watermark signal fading-like modification.

许多通常的多媒体信号处理，如剪切、滤波、感知编码等，引起了水印信号衰落状的偏倚。

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The paper designs an automatic lip tracking and detecting system, which is important in multimedia signal processing, bimodal database and lip-reading system.

本文设计、实现了一个唇部自动跟踪及检测系统，其在多媒体信号处理、语料库建立及唇读等系统中有重要应用。

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But Microsoft had identified others, including Sun Microsystems's Java technologies, Intel's Native Signal Processing, and multimedia playback software developed by Apple and RealNetworks.

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