填空题
音频低于（）HZ，称为亚音频。
发布日期：2021-03-22
试题解析
音频
音频是个专业术语，音频一词已用作一般性描述音频范围内和声音有关的设备及其作用。人类能够听到的所有声音都称之为音频，它可能包括噪音等。声音被录制下来以后，无论是说话声、歌声、乐器都可以通过数字音乐软件处理，或是把它制作成CD，这时候所有的声音没有改变，因为CD本来就是音频文件的一种类型。而音频只是储存在计算机里的声音。如果有计算机再加上相应的音频卡——就是我们经常说的声卡，我们可以把所有的声音录制下来，声音的声学特性如音的高低等都可以用计算机硬盘文件的方式储存下来。
- 中文名
- 音频
- 定义
- 描述音频范围和声音的设备及作用
- 外文名
- Audio
- 应用学科
- 通信术语
称为
称为，汉语词语，拼音是chēng wéi，意思是指叫做。
- 中文名
- 称为
- 注音
- ㄔㄥ ㄨㄟˊ
- 拼音
- chēng wéi
- 释义
- 叫做。
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