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Intersample(采样)
interpolators(插值)
clipping(削波)
原理上决定了ess90X8听起来有的地方失真。
正如DAD AX32的营销副总裁解释弃用ESS 9018 的原因:
It is correct we have also redesigned the D/A boards. We originally went for the ESS 9018 converter as it on paper had the best performance. However, during our testing, we noticed that the chip would occassionally enter a mode where it generated some spurious tones and a worse THD+noise reading. Even though the measurements were still quite good, we decided it didn't meet our quality standards. We have therefore redesigned the D/A board with a Burr Brown converter and we are very pleased with its performance.
我们重新设计da板是正确的。我们当初选定的是ESS 9018 转换芯片因为它有纸面上最佳的性能。然而,在我们测试的时候,我们发现这块芯片偶尔会进入某种模式,产生虚假的声音和更差的THD +噪声读数。 尽管测量结果仍然很好,但我们认为它不符合我们的质量标准。 因此,我们使用Burr Brown转换器(BB)重新设计了D / A板,我们对其性能非常满意。
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