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(1) (Digital Video Recorder) A device that records video from up to a dozen or more surveillance cameras onto a hard disk. The frame rate can be switched from real time to time lapse in order to save storage space. Digital recorders are more flexible than earlier analog VHS tape systems, and the video can be easily transmitted over a computer network. See CCTV.

(2) (Digital Video Recorder) Also known as a "personal video recorder" (PVR) or "hard disk recorder," a DVR is a consumer device that allows the viewer to pause and rewind any broadcast, cable or satellite TV program as well as record and play back selected programs (see live pause). An order of magnitude more flexible than earlier videocassette tape recorders (VCRs), an entire season of programs from one or more favorite series can be recorded.

DVRs may be built into the set-top box or replace the box using plug-in modules (see CableCARD). They store incoming digital TV signals on the hard disk as well as digitize analog TV into the MPEG-2 format. The video may be compressed to maximize storage space.

Part of the Service or Stand-Alone
The DVR periodically downloads channel program guide updates as well as software updates for the unit itself. When the DVR is integrated into the cable or satellite set-top box, the downloads ride the same medium as the TV service. When the DVR is stand-alone, the downloads come in via the home network.

Before the Turn of the Century
DVRs first came on the market in 1999 with products from ReplayTV and TiVo ( They quickly made the VCR obsolete for timeshifting TV programs, and Tivo became the DVR leader. ReplayTV was later acquired by SONICblue, D&M Holdings and eventually the DirecTV satellite TV service ( See cloud DVR, multi-room DVR sharing, live pause, DVD recorder and networked DVR. Contrast with NVR.

This earlier DVR from ReplayTV appears in front of the Find Shows screen, which enables a viewer to search for programming throughout the week by keyword. (Image courtesy of ReplayTV.)
References in periodicals archive ?
This includes an amount of Rs 9.71 crore due to accounting adjustment made pursuant to Ind AS-115 for income received in advance with respect to long-term agreement signed by the PVR and SPI Cinemas with online ticketing aggregators.
MBIE is now seeking public submissions on proposed options for changing the PVR regime.
His statement comes just a day after PVR Limited requested SEBI for action against Screwvala for "indulging in propagating false information to the detriment of the investors and the securities market".
"PVR is the perfect partner for Al-Futtaim, given its 20 years' proven track record of operating and creating experiential cinema formats, catering to customers looking for best-in-class experiences.
The joint venture will introduce a collection of unique experiential cinema formats to the region, including PVR's Director's Cut, a format that blends the best in high-end hospitality and entertainment.
Elaborating on the potential in the region, Ajay Bijli, Chairman and MD, PVR said: "We see a great opportunity in taking the PVR brand to the MENA region, particularly expansion in the UAE and entry into the Saudi Arabian market which has recently decided to open up the cinema industry.
Increasing CPR for postpartum contraception is an integral part of this initiative, and the PVR was considered a valued addition.
In the study we recruited 153 patients who developed PVR grade C1 or higher within 3 months after the surgery.
M2 EQUITYBITES-November 22, 2017-India-Based PVR Acquires Stake in Florida, US Restaurant and Theatre Firm iPic Entertainment
The Dangal star was speaking on the sidelines of India's first fully digital loyalty programme by PVR cinemas.
Partial VR (PVR) occurred in 61 (26.2%) patients at 12 months.