Evaluation system for digital audio system under variable conditions
Evaluation system for digital audio system under variable conditions
复制标题
变条件下数字音频系统评估系统
DOI：
10.1109/gcce.2017.8229310
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发表时间：
2017
期刊：
影响因子：
--
通讯作者：
Goto Tomio
中科院分区：
文献类型：
--
作者：
Tsuge Kenta;Otsu Yoshiaki;Hirano Satoshi;Goto Tomio
高精度模数转换器（ADC）已广泛应用于数字音频系统等各种产品中。Δ λ调制器是构成这类产品的重要部件，其评价是产品设计中的重要环节。然而，一般的评估方法在设备和设计成本方面存在问题。为此，提出了一种低成本的评估方法[1]。该方法可以在采样频率和测试信号频率两个条件下进行评估。通常，测试信号幅度的条件也是评估系统所需的。在这项研究中，我们提出了一个扩展的评估系统，可以在上述条件下进行评估。
The high-accuracy Analog-to-Digital Converter (ADC) has been widely utilized in various products such as digital audio systems. The ΔΣ modulator is an important component for constituting such products, and its evaluation is an important process in product design. However, the general evaluating method has problems in terms of equipment and design costs. For this reason, a low-cost evaluation method has been proposed [1]. This method can evaluate under two conditions: sampling frequency and test signal frequency. Generally, a condition of the test signal amplitude is also desired for evaluating the system. In this study, we propose an extended evaluation system that can evaluate under the above-mentioned conditions.