The system uses DSP, MCU (Microcontrol Unit) and CPLD (Complex Programable Logic Device) as the core of the system hardware and uses digital video technology.

本系统采用了以DSP、MCU（微控制器）、CPLD（复杂可编程逻辑器件）为核心的系统硬件结构以及数字视频技术。

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NEC’s technology extracts a digital signature that works even if the video is altered.

NEC技术提取的数字签名即使在视频改变后仍然能够起作用。

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NEC's technology extracts a digital signature that works even if the video is altered.

NEC技术提取的数字签名即使在视频改变后仍然能够起作用。

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Pure Digital was all about making the still new digital video technology accessible to everyone, and the Flip hit the sweet spot.

FORBES: Miss the Flip? There Are Alternatives to the Video Cam

Right now DirecTV integrates TiVo's digital video recorder technology into their satellite television receivers (as DirecTiVo), but it looks like they've been taking some pretty clear steps to disentangle themselves from the company.

ENGADGET: DirecTV getting ready to drop TiVo?

Among his suggestions: a 72-hour embargo on juicy details starting after a TV episode airs live, allowing viewers to catch up via digital video recorders and other technology.

WSJ: Twitter Spoilers on The Walking Dead and Other Shows