【单选题】【消耗次数：1】
MIDI 音频文件是（ ）
①
一种波形文件
②
一种采用 PCM 压缩的波形文件
③
是MP3的一种格式
④
是一种符号化的音频信号，记录的是一种指令序
参考答案：
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相关题目
【单选题】
MIDI音频文件是（ ）。
①
一种波形文件?????? ??
②
?是一种符号化的音频信号，记录的是一种指令序列
③
?是MP3的一种格式
④
一种采用PCM压缩的波形文件
【单选题】
JPEG格式是一种_____ 。
①
能以很高压缩比来保存图像而图像质量损失不多的有损压缩方式
②
不可选择压缩比例的有损压缩方式
③
有损压缩方式，因此不支持24位真彩色
④
可缩放的动态图像压缩格式
随机题目
【单选题】
由于幼儿的肌肉中水分多，蛋白质及糖原少，不适合他们的运动项目是( )。
①
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②
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③
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④
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