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。
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