Digital Video Recorders (DVR) and How They Are Used

What is DVR? DVR is a digital video recorder and isother shows. Such recording takes place either by
also known as a personal video recorder. Unlike ainternally storing the program on a hard disk or by
VCR, the DVR records directly to a disk or hardburning the program onto a DVD-RW, or a rewritable
drive instead of to a video tape of sorts. DVR canDVD.
be found on most computer software as well asConsumers also use them as a cost effective way
being in the form of stand-along box units forfor security. You can get DVR cards with up to 8
television and film.camera connections on them. This allows you to
Many television set producers are now including DVRmount security cameras all around your property and
built in to the television. This enables the viewer torecord directly onto your PC. You can capture several
capture a program or movie into the memory of thedays worth of video footage from several cameras
television for later viewing. The DVR also is capableinto your DVR system on your computer.
of recording much longer than a VCR and is alsoWhat is DVR still used for commercially? CCTV
easily erased for repeated use.companies also use DVR in their surveillance systems
What is DVR used for? It was first used by CBS insince DVR is able to record for extended lengths of
1965 in an effort to freeze their sports footage. Thistime. DVR also provides a clearer picture, allowing for
was nearly impossible with their current operatingbetter quality results. It is used by banks, car
system as the frozen images were not clear. In 1985,dealerships, retail stores,a nd especially at
the DVR was first introduced for in-home use,mini-markets which are a prime target for crime. DVR
though its deubt was not widespread. Thanks to therecorder systems are helping combat crime by
introduction of the DVR giant TiVo, many similarproviding excellent images of people committing
products are now on the market and are widespread.crimes. This makes it easier for law enforcement to
The DVR tends to allow for crisper picture qualitycapture the perpertrators and makes it easy to
and faster search through recorded material than itsconvict these peopl when the digital video recording
VHS counterparts.is played back in court.
What is DVR for the average consumer? SatelliteWhat is DVR in computer technology? DVR also
companies are now utilizing DVR by adding it directlyexists on computers. Macintosh computers mainly
into customersâEUR(TM) in-home receiverutilize EyeTV software while Windows uses its
boxes, enabling them to record and view televisionWindows Media Center for the downloading and
programming. Dual tuners have now been introducedproducing of its images recorded through DVR,
in the DVR allowing viewers to watch one programthough other operating systems are in the works as
while simultaneously being able to tape up to twowell.