Camcorder - a Portable Video Camera

Camcorders are portable devices for electronicallyrecorder function is responsible for writing the video
recording video and audio through an in- built recordersignal onto a recording medium (magnetic video tape).
unit. They differ from the previous units in which theCamcorders are normally classified by their storage
recording and audio devices were separate. Today, adevice. The highest quality digital format such as
camcorder is a combination of video camera and aBetacam and Mini DV, etc., suffer from little generation
video recorder.loss during recording, dubbing and editing. In analog
Previously, companies such as Sony, JVC and Kodak,recordings, noise and bandwidth issues relating to
etc. used analog video tapes. Since 1990 the digitalcables, amplifiers and mixers are a problem while in
tape came into use and three years hence, thedigital connections such problems are minimized.
storage tapes were being replaced by optical disks,However archival problems continue to affect both
hard disk drives and solid state memory. Camcorders,analog and the digital varieties. They are both prone to
which do not use magnetic tapes, are called `tape-less`tape format deterioration over time. This is more acute
while those using two different media, like HDD andin the digital recordings where large data base is
Memory card, are called `Hybrid Camcorders`.permanently erased owing to deterioration and
Technological advancement has miniaturized the largerestoration is very expensive. One of the advantages
cameras on specially mounted trolleys to portablein analog devices is that the recording may be usable
video cameras and recorders for broadcastingeven after the media, in which the data is stored,
images. This transition started in 1982 when JVC andsuffers deterioration.
Sony released the first professional camcorders. TheConsumer camcorders emphasize the basic qualities
Betacam, designed by Sony, slowly gained popularitysuch as easy usage, price and portability rather than
and became the standard device for both newstechnical performances. Such units offer a wide range
gathering and video editing. This was followed byof I/O operation but lack various menu settings, video
Betamax in 1983 - the first consumer camcorder. Atexposures, gain controls and sound level management.
this stage, they were bulky and generally rested on theFor beginners, basic recording and playback facilities
user`s shoulder during recording. Even today mostare emphasized. Today a personal computer, with a
camcorders are designed for right-hand users withmodest configuration, can perform digital video editing
very few possessing ambidextrous ergonomics.with software available in the market.
Both JVC and Sony started improving the quality ofCamcorders have a plethora of usage in electronic
camcorders which led to the development of digitalmedia ranging from electronic news organizations to
devices in 1990. These had cassettes even smallerTV / current affair production. They are invaluable for
than the 8mm media allowing further reduction of sizeinitial video footage in locations away from the
of tape transport assembly. The digital variety furtherdistribution infrastructure. Events which have scheduled
improved the audio and video quality over the bestset timings, such as official press conferences, use
analog camcorders. With the advent of digital models,camcorders extensively. They are also used for
the market has grown substantially being facilitatedcovering personal events such as weddings, birthdays
further by its price and size reduction. Today a deviceand other special family gatherings.
fits in the palm and is sold at a retail price of less thanEven in the political arena, camcorder is used to film
$150.events which have a bearing on the subject.
Camcorders comprise of three basic components :Protesters from various fields, such as animal rights,
lens, imager and recorder. The lens solely focuses andtax, anti-globalization, war and police, use camcorders
gathers light on the imager. The imager is the eye ofto record and film such events which have wide social
the camcorder which converts captured images intoand historical ramifications. Even some judicial decisions
electrical video signals. The recorder encodes theare based on video footages exposed by such
video signals into storable form. The lens offersdevices. They are also used in low budget films, ad
professional control of all major optical functions suchshoots, tv shows and for academic film making, etc.
as aperture, shutter speed and focus, etc. The