The first line gets the path of the audio file.

第一行是获取音频文件路径。

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Buy a audio data line as the following picture shows.

购买一条音频线，如下图所示。

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We offer a complete line of audio visual system integration design solutions.

我们提供一个完整系列的视听系统集成设计解决方案。

youdao

We offer a complete line of audio visual system integration design solutions.

我们提供一个完整系列的视听系统集成设计解决方案。

youdao