In addition, video and audio feeds are extremely costly to store due to the large volumes of this type of data collected, coupled with its poor compression characteristics.
此外，视频和音频记录的存储成本非常高，因为此类数据的量很大并且不能有效地压缩其体积。
The system covers not only collection, compression, transfer and replay of video and audio signals, but also the transmission module of network data.
该系统包括对视频、音频信号的采集、压缩、传输和回放以及网络数据传输模块。
These two audio form compression technology have different advantages in Microsoft company of media technology. WMA only use for compress audio frequency data. Acoustic fidelity is similar to MP3.
微软公司的这两项音频压缩技术各有优点，WMA是在微软窗口媒体技术中只用于压缩音频资料的技术，音质类似MP3。
The technical maturity of audio and video compression, real-time data transfer and network makes it possible to realize the multi-media correspondence on the IP network.
音视频压缩技术、实时数据传输及数据网络技术的成熟，使得在IP网络上实现多媒体通信成为可能。
To collect, com- press and save the audio data, one of the important function of VDR, the audio system, which bases on the Vxworks, compose three parts:audio collection, compression and saving.
航行数据记录仪（简称VDR）对加强海上航行安全和船舶事故后的分析有重要的作用，语音信息采集处理是航行数据记录仪的重要功能之一。
Locomotive software was mainly divided into audio capture and compression module, file storage management module, wireless Ethernet data download module, MAX485 communication module;
车载软件主要划分为语音采集压缩模块、文件存储管理模块、无线以太网数据下载模块、MAX485通信模块；
Locomotive software was mainly divided into audio capture and compression module, file storage management module, wireless Ethernet data download module, MAX485 communication module;
车载软件主要划分为语音采集压缩模块、文件存储管理模块、无线以太网数据下载模块、MAX485通信模块；
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