Since last year, this store has offered coupons to people who need digital analog converter boxes for their older TVs.

自去年起，这家商店就开始给家有老式电视、需要数字模拟转换盒的人提供优惠券。

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Often, the required output signal is another analog output signal, which requires a digital to analog converter.

通常，要求的输出信号为另一个模拟输出信号，这就需要数模转换器。

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Data is loaded into the KVp digital to analog converter on A4 and A8.

这个数据会被载入A4和A8区的数模转换器。

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The idea of this Vivo X1 is that BBK wants to take audio very seriously on its new flagship phone, which is why it's been given a Cirrus Logic CS4398 digital-analog converter plus a CS8422 sample-rate converter -- a combo that's seemingly popular amongst Hi-Fi connoisseurs and manufacturers.

ENGADGET: BBK's Vivo X1 is a phone for audiophiles, packs high-end DAC and Beyerdynamic earphones

It then either sends that signal straight to your own electronics or uses its own superb digital-to-analog converter to decode it.

FORBES: How to Get True High-End Audio From Your iPhone

Case in point: the Icon iDo integrated digital-to-analog converter (also called a DAC) and integrated amplifier is geared specifically toward Apple portable devices like the iPhone and iPad.

FORBES: How Nuforce is Reinventing High-End Audio for the Digital Age