Finally, choosing a high reliable digital-analog device is also a key factor for the whole project.

选择一款有助于实现总体方案的高可靠性数模设备也是设计之初重点考虑的问题。

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A modem is a device that converts between analog and digital signals.

调制解调器是在模拟和数字信号之间进行转换的设备。

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If we worked only with digital devices, we would eventually have to convert the output of the digital device into analog form if we wanted to input it into a computer.

如果我们努力工作只与数位装置，我们会最终都转化为输出的数位装置成模拟形式，如果我们想要输入到电脑。

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As a test, I downloaded files from HDtracks.com, an online retailer specializing in hi-res audio, plugged a device known as a digital-to-analog converter (DAC) into my computer and listened over earphones.

WSJ: Sonic Truth

All three perform the same basic function -- they let you stream TV from your cable box (digital or analog), satellite receiver, or DVR to a computer or mobile device -- it's just that each is aimed at different segments of the market.

ENGADGET: Slingbox PRO, Slingbox AV, and Slingbox Tuner get official

The new Z-Base sound bars offer two analog audio inputs, one optical (toslink) digital input, one coaxial digital input - plus a front panel 3.5mm analog stereo input for convenient connection of an iPod or other portable audio device.

ENGADGET: ZVOX intros three new Z-Base models, lowers the pricing soundbar