Archive for April, 2008

Using analog video camera as a webcam

Wednesday, April 30th, 2008

Analog video cameras which were pretty popular in 80s and 90s are those that require film to capture the images being recorded. There are 35 mm, 16 mm and 8 mm films. Regular formats of the tape are beta and VHS. The film is saved on the tape and then it has to be developed either in your own darkroom or at a retailer that offers such a service. The thing is that tape has to be protected from direct sunlight in order not to damage images.
Analog video cameras provide you with a stable work and are very inexpensive nowadays. They are so cheap because the majority of the users have moved on to digital cameras. They are good option for anyone who wants a webcam but doesn’t have a lot of money to spend.
Remember that using analog video camera as a webcam requires special software system. Such software is relatively inexpensive and easy-to-use. Among other things required for succesful working of analog video camera as a webcam there is a USB cable. It will be used to connect the analog camera and allow it to operate as a webcam. Some people are embarrased with a very long coax
cable running from their computer across the room, while other don’t care at all. The process is simple to do as well. You will likely to install carious drivers as well.
Analog cameras as webcams are mainly used for a video surveillance of a business or personal property. While it doesn’t offer the best quality picture and sound, analog cameras can be an effective webcam for recording disturbances and for deterring thieves or vandals.
It’s a pity, but with time the quality of the images recorded with analog video camera tend to start fading. In this case it’s pretty difficult to preserve tapes from years past. Another concern is that they quality of the images and audio tend to get worse with each recording. This can render your web cam materials and images fuzzy and of poor quality over time.
There is something else to know if you are planning to use analog video camera as a webcam: analog cameras aren’t able to catch as amny frames in a set period of time as digital webcams. Therefore using them for teleconferences and interacting with others over the internet is difficult because the data transfers at a slower rate.
However, analog video cameras provide such features like auto focus and zoom. For some people this is a great advantage. So choose wisely to pick an analog video camera that has good reputation to get the best picture quality.

Using digital video camera as a webcam

Tuesday, April 29th, 2008

The best way to record any activity you desire with a use of a digital signal are digital video cameras. Digital video technology exists for more than 20 years already, but with the advances in technology over the past several years it has been used in more products. Digital video camers allow you to
store large amounts of video that can easily be transferred to your computer, copied to DVD, or even print images from.
There are huge amount of digital video cameras on the market now. Also different digital video cameras have different features. Depending on the features you need you should start searching for a digital video camera you need.
There are many great advantages in using digital video camera as a webcam. First, digital video cameras are relatively inexpensive. Second, they offer wonderful features that enhance the quality of the material you are viewing. These option include zoom, stereo sound, auto focus, night vision and more. You need to decide where you plan to use your webcam before you purchase a digital video camera though because some models can be used both indoors and outdoors. Some of the models aren’t designed to be able to stand up to the elements outdoors such as rain and high winds.
Also, there are lots of different digital video camera software programs. You will need to selext ine for your particular needs based on the various ways to plan to use your webcam.
If you are planning to use digital video camera as a waebcam you should know that this would even help you to save money. You won’t need to purchase a video camera and a separate webcam. Many other webcam options are only able to be used for that purpose. This makes the product very versatile and will save you money.
And, of cours the quality of the images you are viewing is also much better than what you get with other types of webcams. Both the picture and the audio are very clear and therefore your experience using a digital video camera as a webcam will be a good one. This makes them a very good choice for a variety of projects including video conferences, interacting with others over the internet, and transferring data to others via you webcam.
As with any other purchase, you need to take the time to do some research about digital video cameras before you make a purchase. Identify the features of a digital video camera that will be important to you and then look for the models that offer them. You don’t need to pay for additional features that you won’t be using, so think carefully.

The history of video conferencing Part 3

Monday, April 28th, 2008

The Virtual Room Videoconferencing system (VRVS) project at Caltech-CERN kicked off in July if 1997. It was created specifically to provide video conferencing to researchers on the Large Hadron Collider Project and scientists in the High Energy and Nuclear Physics Community in the U.S. and Europe. It was very successful and more money has been alloted for phase two, CalREN-2, to improve and expand on the already in-place VRVS system in order to expand it to encompass geneticists, doctors, and a host og other scientists in the video conferencing network around the world.
In 1998 CU-SeeMe v1.0 was released by Cornell University’s team. This version had color video and was compatible with both MacIntosh and Windows, and was a huge step forward in pc video conferencing. By May of that year, the team has moved on to other projects.
In February of 1999, Session Initiation Protocol (SIP) was launched by MMUSIC. The platform showed some advantages over H.323 that user appreciated and soon made it almost as popular. 1999 was a very busy year, with NetMeeting v 3.0b coming out, followed quickly by version three of the ITU
standard H.323. Then came the release of iVisit v2.3b5 for both Windows and Mac, followed by Media Gatewaay Control Protocol (MGCP), version 1. In December, Microsoft released a service pack for NetMeeting v3.01 (4.4.3388) and an ISO standard MPEG-4 version two was released. Finally, PSInet was the first company to launch H.323 automated multipoint services.
SIP entered version 1.30 in November of 2000, the same year that standard H.323 hit version 4, and Samsung released their MPEG-4 streaming 3G video cell phone, the first of its kind.
In 2001, Windows XP Messenger announced that it would now support Session Initiate Protocol. This was the same year the world’s first trans-atlantic tele-surgery took place utilizing video conferencing. In this instance , video conferencing was instrumental in allowing a surgeon in the U.S. to use
a robot overseas to perform gall bladder surgery on a patient. It was one of the most compelling non-business uses in the history of video conferencing, and brought the technology to the attention of the medical profession and the general public.
In October of 2001, television reporters began using a portable sattelite and a videophone to broadcast live from Afghanistan during the war. It was the first use of video conferencing technology to converse live with video with someone on a war zone, again bringing video conferencing to the forefront of
people’s imagination.
Founded in December of 2001, the Joint Video Team completed basic research leading to ITU-T H.264 by December of 2002. This protocol standardized video compression technology for both MPEG-4 and ITU-T over a broad range of application areas, making it more versatile than its predecessors. In March
of 2003, the new technology was ready for launch to the industry.
In 2003 interactive classrooms became popular as the quality of streaming video increased and the delay decreased. Companies such as VBrick provided various MPEG-4 systems to colleges acrosss the country. Desktop video conferencing is also on the rise and gaining popularity.
In April of 2004, Applied Global Technologies developed a voice-activated camera for use in video conferencing that tracks the voice of various speakers in order to focus in whoever is speaking during a conference call. In March 2004, Linux announced the release of GnomeMeeting, an H.323
compliant, free video conferencing platform that is NetMeeting compatible.
With the constant advances in video conferencing systems , it seems obvious that the technology will continue to evolve and become an integral part of business and personal life. As new advances are made and systems become more reasonably priced, keep in mind that choices are still determined by network type, system requirements and what your particular conferencing needs are.

The history of video conferencing Part 2

Monday, April 28th, 2008

One of the most remarkable systems in the history of video conferencing was the CU-SeeMe developed for the MacIntosh system in 1992. Although the first version didn’t have audio, it was the best video system developed to that point.
By 1993, the Mac program had multipoint capability, and in 1994, CU-SeeMe Mac was true video conferencing with audio. Later, considering the limitations of Mac software in a Windows world, developers worked hard to to roll out the April 1994 CU-SeeME for Windows (no audio), followed closely by the audio version, CU-SeeMe v0.66b1 for Windows in August of 1995.
In 1992, AT&T introduced their own $1,500 video phone. That same year, the world’s first MBone audio/video broadcast took place and in July INRIA’s video conferencing system was introduced. This is the year that saw the first real explosion in video conferencing for businesses around the globe and
eventually led to the standards developed by the ITU.
The International Telecommunications Union (ITU) began developing standards for video conferencing coding in 1996, when they established Standard H.263 to reduce bandwidth for transmission for low bit rate communication. Other standards were developed, including H.323 for packet-based multi-media
ommunications. These are a variety of other telecommunications standards were revised and updated in 1998. In 1999, Standard MPEG-4 was developed by the Moving Picture Experts Group as an ISO standard for multimedia content. In 1993, VocalChat Novell IPX networks introduced their video conferencing system, but it was doomed from the start and didn’t last. Microsoft finally came on board the video conferencing bandwagon with NetMeeting, a descendent of PictureTel’s Liveshare Plus, in August of 1996 (although it didn’t have video in this release). By December of the same year, Microsoft NetMeeting v2.0b2 with video had been released. That same month, VocalTec’s Internet Phone v4.0 for Windows was introduced.

The history of video conferencing Part 1

Monday, April 28th, 2008

The history of video conferencing starts in 1960’s with introduction of AT&T’s Picturephone at the World’s Fair in New York. Sadly, it never became popular because it was too expensive to be practical for most consumers when it was offered for $160 in 1970.
Commercial potential of video conferencing was realized after Ericcson’s demonstration of the first trans-atlantic LME video telephone call. Soon after this other companies began refining video conferencing technologies, including such advancements as network video protocol (NVP) in 1976 and
packet video protocol (PVP) in 1981. However, none of this were put into commercial use and stayed in the laboratory or private company use.
In 1976 video conferencing (VC) between Osaka and Tokyo was established by Nippon Telegraph and Telephone. After that a VC running at 48000 bps was estalished between IBM Japan and Uinted States so that they could have weekly meetings.
In 1982 Compression Labs introduces their $250,000 VC system with lines for $1,000 an hour. This system was amazingly huge and used enormous recources capable of tripping 15 amp circiut breakers. But it was the only working VC system available until 1986, when PictureTel’s VC hit the market in 1986 with their substantially cheaper $80,000 system with $100 per hour lines.
In the time between the appearance of this two systems, there were other video conferencing systems developed that were never offered commercially. In 1984, Datapoint was using the Datapoint MINX system on their Texas campus, and had provided the system to the military.
In the late 1980’s, Mitsubishi began selling a still-piture phone that was basically a flop in the marketplace. In 1991 IBM introduced the first PC based video conferencing system - PicTel. The black and white system cost $20,000 with $30 per hour for the lines. In June, 1991, a transcontinental IP
network of over a dozen research sites in the United States and Great Britain using T1 trunks. Today, Dartnet has evolved into CAIRN system, which connects dozens of institutions.

Ethernet webcams

Friday, April 25th, 2008

Ethernet webcams are the most effective webcams for security purposes. Ethernet webcams have such features like tilt, zoom, night vision with the use of infrared lighting, and motion detection.
Most of the ethernet webcams offer an alert system option so that you can be notified when it is recording. You can be notified via e-mail, instant message, or text message. If there’s nothing going on then there will not be any images recorded. Most browsers will support the remote access of the
images your ethernet cameras have recorded. You won’t have to wait for the images to appear because the connection is almost immediate. They also take up very little bandwith.
Ethernet webcams technology allow them to transfer data faster then any other source. You are receiving a very clear audio and visual images. The technology of Ethernet is used in many technological areas besides cameras including radar systems for large aircrafts and many physics experiments. This should convey the power behind the technology to you!
While the technology that allows Ethernet cameras to function at the top of the class, using the technology is quite simple. Setting up an Ethernet camera is very simple and most models come with software that does all the work for you. All you have to do is actually install the cameras.
Ethernet webcams cabling system can be set up easily and that’ one of the reasons why schools and businesses opt for this type of camera security system. All ethernet webcams come in a variety of shapes and sizes so you can easily find one to fit the area you want to install it. Some of them are very small too so it is quite simple to hide them if you choose to do so.
There are a few disadvantages of Ethernet cameras that you need to be aware of as well. They are more expensive than other types of cameras, especially those models that are designed for outdoor use. You will also have to purchase additional software if you plan to view more than one camera.
Still, technology will continue to improve and I am sure Ethernet cameras with evolve as well. Consumers will be able to reap the benefits with less and less disadvantages as time goes by. As they become more integrated into our society to cost will surely be reduced as well.
Ethernet cameras offer the best services and latest technology so you can get the most benefits from your camera. They are mainly used for security purposes of homes, businesses, schools, and college dorms.

USB webcams

Friday, April 25th, 2008

USB webcams are the most widespread webcams. They are able to record images that you can view with your computer. USB webcams can provide you with quality pictures as well as audio. If you are interested in an inexpensive webcam for interaction online beyond e-amil and instant messaging - USB
webcam is your choice.
Many individuals who access online dating sites enjoy using a USB webcam to interact with some of the people they meet there. This is a common step when a relationship starts to develop but those involved are not yet ready to meet face to face. They are also used to share information when someone lives far away or a spouse is gone for military duty.
When PlayStation 2 was released it had introduced the use of webcams for various video games. With this feature enabled you can see people who you are competing against. This is because of the options that allow players to not only play against those in the same room as them but against individuals all
over the world from their own home. This is called Sony EyeToy and it’s popularity growing every week among teenagers and younger adults who are into video games.
Also, USB webcams are used as security measure as long as they can be connected to a power source. Most of models offered by different manufacturers allow you to view the images being taken in live time from your computer or laptop.
There are also webcams wich offer you an option of image recording only if there is motion or activity taking place. You can also get alerts sent to you informing you when recording is taking place.
USB webcams are being used by many businesses around the world for holding teleconferences, seminars, and trainings. Providing such services can help reduce expenses for your business relating to travel, meals, and lodging.
Since so many businesses do transactions with those in other countries this is an excellent option.
As always, the price depends on the brand and model as well as the features you want. You can easily find webcams which interest you most on the internet. USB webcams work very well and they cost less than wireless webcams.
Investing in a USB webcam can assist you with a convenient and fun way to view images. You can use it for work, home security, or for interacting with others on the internet. There are many possibilities with a USB webcam set up.

Types of webcams

Thursday, April 24th, 2008

We have already discussed the use of webcams and the advantages of wireless webcam use. Today we’ll have a look at the cameras that can be used for a webcam.
* USB webcams. The most popular camera used for a webcam these days. They are commonly used to display people’s living environment or to chat live using differen Instant Messaging software. There are Creative, Microsoft, Logitech and others among the manufacturers of these devices.
* Wireless webcams. This technology constantly raises in popularity. Wireless webcams are irreplaceable when traditional wired ethernet network is not accessible. The biggest manufacturers of wireless webcams are Panasonic, Axis and Sony.
* Network/Ethernet webcams. These are used mainly for business with security requirements, yet they are also popular for highly visited scenic websites. The biggest manufacturers of these webcams are Panasonic, Sony and Axis.
* Digital Video Cameras (Camcorders). Can to be connected to your PC via Firewire (or i.Link and IEEE-1394). Software like WebcamXP is being used for capturing images from DV camcorders. Different instant messaging programs work with DV camcorders inluding Windows Live Messenger. In compare with USB connected webcams DV cameras offer superior image and sound quality.
* Analog Video Cameras (including Camcorders). These are used together with a video capture and webcam software. All-in-one solutions are provided by X10.
Hopefully, after reding this article you have a fair idea on what webcam solution will suit you best. If you’ll dig deeper into webcams manufacturers you will surely find additional information on the products that interest you the most, and webcams in common.

Wireless webcams

Wednesday, April 23rd, 2008

Wireless webcams are perfect for using either indoors and outdoors. Wireless webcams offer you the perfect solution for monitoring any activity you are interested in (legal ones, of course). They are absolutely like traditional webcams except there is no cable.
Wireless webcams are highly durable and can even stand up to the elements including wind, rain, and snow. Some of the models can be hidden easily due to their size while others are larger and can be seen, which often scares away anyone thinking of breaking into your house or office or vandalizing
your property.
You can set up lots of wireless webcams but view the information in one simple system. It’s a great way to cover two or more major areas. It can also be of a great use when one of the webcams stops working and you need a backup.
With wireless webcam you have much more options as to where you are able to access the images. They are also more adoptable than other types of webcams. Considering that there is no cable to worry about you can install it in almost any location.
Wireless webcams are very easy and convenient to use. Businessmen choose them for business teleconferencing and other business interactions. They are very useful for security monitoring because most of them have a motion detection system. They work if there is any activity taking place. Many of the newer wireless webcams offer the ability to notify you when some activity has been recorded either by e-mail or text messaging.
You’ll get everything from a wireless webcam if you have a high speed internet connection. This becomes very handy when the system is being used for something with a high priority inluding business deals.
As a traditional webcam, wireless webcam offers you images of your family enjoying activities outside together including sports and barbecues. There’s nothing more simple than recording of this images or saving them in order to send to friends or relatives.
With wireless webcam you will gain ability to access the images from your computer, PDA, or laptop no amtter where you happen to be. Wireless webcams are offered by all the major manufacturers including Sony, Toshiba, and Panasonic. You can purchase them from your local electronics store or online.

Webcams today

Wednesday, April 23rd, 2008

The basic function of webcam is an image transfer over a computer. Live webcams show the images in real time. Webcams were introduced in 1991 and have become a very popular device. Webcams are commonly used for resources, entertainment and work.
Webcam popularity had grown because of the many factors. First of all, today, having a computer at home is as natural as having a TV. Second, they are much more affordable these days, and third they are easy-to-use.
Now those parents who rely on a caregiver for their children can say that webcams are irreplaceable! Having webcam they can easily use their computer at worl to monitor what is going on at home. And it’s a perfect way to stay connected with their children throughout the day as well.
Now parents who have to work all the time wouldn’t miss out on important stages in life of their cheldren, especially of those who are younger. These stages include learning to crawl and taking their first steps. Lots of daycare centers made webcams obligatory device for every day use to allow parents the same benefits as if they had a webcam set up at home.
Schools all over the United States have added webcams to help monitor the activities of students in the hallways and work centers. Those webcams significantly helped to reduce the amount of vandalism, bullying, and gang activity because students now that they are being monitored every minute. They have also served a great service in offering information in the event ofa school shooting or other violent act.
Your home or office security can be enhanced in the same way. You have an options of setting up a continuous feed or one that onlt turns on where os activity in the area. We hope no one will ever break into your house or vandalize, but it’s very helpful to capture those responsible.
With the World Wide Web many businesses have the possibility to work with other businesses in far away countries. In such conditions travelling for meetings inconvenient and expensive. With help of a webcam an online teleconfereces became an irreplaceable business tool.
A one more use of webcams is an entertainment. Many websites have webcams set up on their sites so you can see different activities. For exmaple, you can’t always go to the zoo with your kids but you can go online and watch the webcam of them with your kids.
In recent years online dating amazingly grown in popularity. Most communications take place via e-amil and instant messaging. Still, more and more users every day realize the benefits of using a webcam to communicate with those they are very interested in. And, of course, there are a lot of chat rooms divided by interests, which allow to use a webcam.
As you can see webcams showed themselves as a necessary device at home or at the office as a business toll or for personal entertainment. They are easy to install and use and a good investment. You can purchase a webcam from any electronics store or online. There are many different ones to choose from so take some time to research the various features. You also need to make sure the model is compatible with your computer system, but once you’ve done it - sit back and relax!