ANSI S4.51-1991
数字式声频设备测量的标准方法
Standard method for digital audio equipment - Measurement of digital audio equipment
ANSI S4.51-1991 中，可能用到以下仪器设备
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- 适用范围
- This standard provides methods for specifying and verifying the performance of digital professional audio equipment. Many tests are substantially identical to those used when testing analog equipment. However, because of the unique requirements of digital audio equipment and the effects of its imperfections, additional tests are irrelevant and possibly misleading when applied to digital audio deuices, they have been omitted.