Amateur home video producers alike will truly love the high quality of HD.  With HDV (high definition video), you can record superb high definition video onto a digital video tape.

Benefits of HDV
You don’t really need to understand how HDV works to truly appreciate the benefits.  All you need to do is spend a few minutes watching a video recorded on a Sony HDV video camera and you’ll see  everything you need to know.

If you already know about HDV, there are many more reasons as to why you should pick HDV video cameras:
1.  The amazing picture quality of HD is no longer limited to Hollywood and professionals.  You too can now use HDV technology to capture the  important memories of your life with life like color, vivid contrast, and amazing HD video.

2.  HDV recording offers low noise, high accuracy, rich, and very vivid color.

3.  The sound tracks for HDV use MPEG 1 audio layer 2 digital encoding to give your videos the sound quality of CDs at a much lower bitrate.

4.  HDV uses the same tapes that are already popular for DV recording, with the recording time being the same as well.

5.  HDV also uses MPEG 2 compression, which is used in digital broadcasts and also DVDs.

6.  HDV uses a higher compression rate than DV, making it more reliable and less subjectible to errors.
Technology behind HDV
The HDV format handles the same bitrate as the DV format, although HDV records a high definition signal.  This will allow you to record HD video on the same tapes used for DV recordings.  A signal with HDV  has 4.5 times as much data as a DV signal used with NTSC.  HDV also includes CD quality sound,  MPEG 2 compression, real time encoding, and so much more.

When compared to other HD formats, HDV is one of the best, if not the best.  Sony has always been known for quality, which makes HDV no exception to the rule.  This format has been years in the making, which helps to make it what it is today.

If you’ve been looking for the perfect type of  video camera, rest assured that HDV is it.  If you buy a Sony HDV type camera, you’ll know that your precious memories will be perfect HD quality – each and  every time.

The film industries have been around for the last century.  The magic of movie making leaves us all in awe.  Today there are a number of schools you can attend to better your chances of penetrating the Hollywood wall, but be ready for some competition.  If you take a look at L.A., you may wonder why so many young people are flocking there.  They all want that big break in the film industry.  They want to be stars.  A close friend of mine headed to L.A. just for that reason.  When he called me a few months later, he said that everyone he would encounter that bartended or waited tables, was there for the same reason.  The competition is unbelievable.  Although this is the case, the film industries always have room for more talent.  Granted, if you have family in the business, you are certainly better off.  Hollywood is a connections game.  Who you know, can make your career.  When I say this, I don’t mean that you do not need talent.  I simply mean that your talent can be more easily recognized with the right connections.

Film schools are located all over the U.S., just waiting for that new talent to come through.  We all have to start somewhere.  If film is your forte, try attending a film school or getting a film minor from your University, if offered.  This way you can get a better grasp of the film industry before tackling it in the real world.  When I decided I wanted to write movies, my first thought was to learn how.  Achieve that necessary talent in order to vi with the many other aspiring screenwriters.  This is no easy business.  There is competition galore.  I recall the reality check I got in my first screenwriting course.  My professor told us that 100,000 screenplays are written every year.  Wow, what a downer!  Regardless, you must move on and strive for your place in the film industry.  You will never know if you don’t try.  With the information and schooling available at your fingertips, you can easily hop online and get started.

Imagine, you’re headed across the country with your family to visit the in-laws in Omaha, and your kids are driving you nuts.  A car DVD system allows you to pop in one of their favorite movies and have them entertained for hours while on the road.

There are two main types of in car DVD systems: portable and in-dash.  Portable systems, though not as sleek or worry-free as the in-dash systems, are considerably cheaper and more versatile.  They are usually powered by your car’s 12-volt power adapter but can be converted to run from your home’s power supply, allowing you to take the DVD player and monitor into your in-laws house when your happy family arrives.

In-dash car DVD systems are hardwired into your vehicle’s entertainment system.  They display movies either on a screen in the center-console, on a screen that descends from the roof of the vehicle, or on a screen which flips up from the dashboard.  Though these systems aren’t portable outside the vehicle, once installed they don’t require any extra cords or setup: you can load in your movies and drive away.  Screens located either on the center console or which flip up from the dashboard can double as displays for in-car GPS or navigation software, but they can be distracting to drivers.  The flip-down screens avoid driver distraction, but they are usually only convenient for back-seat viewing, leaving a front seat passenger to count license plates or play I-Spy with the driver.

In car DVD systems are perhaps the biggest boon to the long family road trip since Car Bingo, and as the technology improves you can expect the systems to get smaller, lighter, and cheaper.  Though portable systems are still the choice for families on the go since they require no expensive installation or conversion, more and more auto manufacturers have plans to include built-in systems in their vehicles, especially upscale and family autos.  It may be tough to find a driver for your next road trip, as the entire family will be stretched out in the back seat, munching on popcorn and watching a film.

Are you an avid Blockbuster video store nut? If you’re not, who are all those people I constantly witness heading in and out of that place? I would say that any Blockbuster video store has to pull in a good sum of cash each and every day. Of course much more on the weekends. There’s just something about movies. None of us can ever seem to get enough of them. We watch and we watch and we watch. Then when we’re finished with all that watching, we plop down on the sofa and watch a little more. You know, to wind down from all the watching. The great thing about renting movies these days is the new-age access. We can almost say goodbye to the classic Blockbuster video store, and say hello to cyberspace. As I’m sure you’ve encountered at one point or another, you can literally rent movies from your laptop now days. I’m talking about a Blockbuster video store on the World-Wide-Web. Not to mention its competitors. I guess it was bound to happen sooner or later. Convenience is our middle name. I’m referring too human beings of course.

Are you searching for a local Blockbuster video store, but coming up short? Hey, don’t worry about it. You can find a Blockbuster video store closer than you thought. Get online now and check out the infinite movie rentals at your disposal. In today’s world of entertainment, you can have your cake and eat it too. Or should I say popcorn?

Data pits and lasers

A disc has microscopic grooves that will move along in a spiral around the disc.  CDs and DVDs both have these grooves, with laser breams applied to scan these very grooves.

As you may know, digital information is represented in ones and zeroes.  Inside of these discs, very tiny reflective bumps known as lands and non reflective holes known as pits, which can be found beside the grooves, reflect both the ones and the zeroes of digital information.

By reducing the wave length of the laser to 625mm or more infrared light, DVD technology has managed to write in smaller pits when compared to the standard technology of CD.  This will allow for a greater amount of data per track on the DVD.  The minimum length allowed for a pit in a single layer DVD-R is .4 micron, which is obviously more than the .0834 micron that a CD offers.

The tracks of a DVD are narrower as well, which allows for more tracks per disc, which also translates into more capacity than a CD.  The avaerage single layer DVD holds 4.5 GB of data, while a CD holds a mere 700 MB.

Layers
As stated above, a DVD has smaller pits and the lasers need to focus on them.  This is actually achieved by using a thinner plastic substrate than in a CD, which means that the laser needs to pass through a thinner layer, with less depth to reach the pits.  It’s this reduction in thickness that’s responsible for the discs  that were only 0.6mm thickness – which is half that of a CD.

Data access speed
DVDs will access data at a much faster rate than a CD can.  The average 32X CD-ROM drive reads data at 4MB a second, while a 1X DVD drive reads at 1.38MB a second.  This is even faster than an 8X CD drive.

Universal data format
The recording formats of CDs and DVDs are quite different, as DVDs use UDF, or the Universal Data Format.  This format allows data, video, audio, or even a combination of all three to be stored in a single file  structure.  The  advantage to this is any file can be accessed by any drive, computer, or even consumer video. CDs on the other hand aren’t compatible with this format.

It’s tough to go to the movies for $2 anymore.  Though if you look you can still find a few budget theatres, they’re few and far between.  When I got to college I couldn’t afford going to the movies every weekend, so I started watching movies at home.  DVD rental stores are more popular than ever, and their selections are better than most of the films showing in the theatre these days anyway.  They’re also a lot cheaper, a blessing for a poor college student.

Netflix, a by-mail DVD rental company, will send you as many DVDs you can watch in a month.  They are the pioneers of DVD rental by mail, and for a $20/month subscription fee you can compile a list of DVDs you want sent to your home.  They’ll send them in batches, and when you’re done watching the DVDs you can mail them back in the supplied envelopes.  When Netflix receives your DVDs they’ll send out the next few on your list, letting you order the DVDs by phone or online.  Blockbuster, a longtime leader in both VHS and DVD rental, picked up on Netflix’s lead and now offers a similar program, allowing you to either order their DVDs through the mail or to pick them up in their brick and mortar stores; as many as you want for a monthly fee.

Though I miss my local movie theatre, it’s tough to beat the current DVD rental options.  I can watch more movies for less money than the cheap seats, and I can even have the movies delivered to my home.  If only I had a bigger TV and a stickier floor I could edge out the local theatre in every respect.

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