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2. Digital video recorder - Wikipedia

   en.wikipedia.org/wiki/Digital_video_recorder

   In contrast to VCRs, hard-disk based digital video recorders make "time shifting" more convenient and also allow for functions such as pausing live TV, instant replay, chasing playback (viewing a recording before it has been completed) and skipping over advertising during playback. Many DVRs use the MPEG format for compressing the digital video ...

3. Closed-circuit television - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television

   CCTV security cameras can either store the images on a local hard disk drive, an SD card, or in the cloud. Recordings may be retained for a preset amount of time and then automatically archived, overwritten, or deleted, the period being determined by the organisation that generated them.

4. Closed-circuit television camera - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television...

   These cameras do not require a video capture card because they work using a digital signal which can be saved directly to a computer. The signal is compressed 5:1, but DVD quality can be achieved with more compression (MPEG-2 is standard for DVD-video, and has a higher compression ratio than 5:1, with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to ...

5. Hard disk recorder - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_recorder

   A hard disk recorder (HDR) is a system that uses a high-capacity hard disk to record digital audio or digital video. Hard disk recording systems represent an alternative to reel-to-reel audio tape recording and video tape recorders , and provide non-linear editing capabilities unavailable using tape recorders.

6. Hitachi's 400GB hard disk video recorder - AOL

   www.aol.com/news/2004-04-15-hitachis-400gb-hard...

   Hitachi has announced a crop of new DVD/HDD recorders for release in Japan later this year. Flagship in the excitably named WOOO range (which signifies "wonder", "world standard" and "worthwhile ...

7. Comparison of DVR software packages - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_DVR_software...

   This is a comparison of digital video recorder (DVR), also known as personal video recorder (PVR), software packages. Note: this is may be considered a comparison of DVB software, not all listed packages have recording capabilities.