重点介绍了数字化音频信息、数字音频文件、音乐合成技术及乐器数字接口MIDI。

Digitized audiofrequency information, digitized audiofrequency file, music composite technology, MIDI, etc., are emphatically introduced.

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欧盟在去年11月推出了 Europeana，将欧洲各个国家图书馆和国家画廊中的数百万部书、画、手稿、地图、胶片以及音频、视频进行了数字化。

The EU launched Europeana in November last year, digitising millions of books, artworks, manuscripts, maps, films and audio and video content from national libraries and galleries in Europe.

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本课题正是在这一背景下，完成数字化会议系统中音频部分的设计与实现。

In the background of this, my paper designs the audio part of the digital meeting system.

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