【多选题】【消耗次数：1】
影响声音数字化质量的三个因素是( )。
①
采样频率
②
量化位数 ?
③
分辨率
④
声道数
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相关题目
【单选题】
下列对音频参数（采样率、声道、采样精度）描述错误的是（ ）。
①
采样率越高，声音质量越接近原始声音，但所需的存储空间也越大。
②
立体声一般需要处理和存储两倍于单声道文件的数据。
③
采样精度即量化位数，是对模拟音频信号的幅度值进行数字化，它决定模拟信号数字化后的动态范围。
④
标准的采样频率有三个：44.1KHz，89KHz，和11KHz。
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