声音文件的格式是讲一段数字化声音的数据比特和字节纳入一个数据文件中。
A sound file's format is a recognized methodology for organizing data bits of digitized sound into a data file.
此举堪称人类首次在计算机上对声音进行数字化、存储以及检索。
It was the first time ever sound was digitized, stored, and retrieved on a computer.
数字水印技术是用信号处理的方法在声音，图像或视频等数字化多媒体数据中嵌入隐蔽信息的行为。
Digital watermarking is the technology that embeds secret information into digital multimedia data such as sound, image or video by using signal processing technology.
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