Table of Contents
What are the three ways that data on a DVD can be decoded?
TS132 Final – Chapter 9 Study Guide
| Question | Answer |
|---|---|
| What are the three ways that data on a DVD can be decoded? | •Decoder software is installed on the hard drive. •A decoder card is installed in an expansion slot. •A decoder is part of the firmware on a video capture card. |
How are DVDs encoded?
When movies are put onto DVDs, they are encoded in MPEG-2 format and then stored on the disc. This compression format is a widely accepted international standard. Your DVD player contains an MPEG-2 decoder, which can uncompress this data as quickly as you can watch it.
How do you write data on a DVD?
To write files to a CD or DVD:
- Place an empty disc into your CD/DVD writable drive.
- In the Blank CD/DVD-R Disc notification that pops up at the bottom of the screen, select Open with CD/DVD Creator.
- In the Disc Name field, type a name for the disc.
- Drag or copy the desired files into the window.
- Click Write to Disc.
What are the three types of DVD?
There are 3 common types of DVDs: DVD-5, DVD-9, and DVD-10. A DVD-5 is a single layer DVD that holds up to 4.7GB of data (around 120-133 minutes of video depending on compression).
What format is DVD?
MPEG-2 format
Most DVDs store movies in the standard MPEG-2 format (aka H. 262) defined by the Motion Pictures Expert Group, though MPEG-1 is also supported. The video is held in VOB (Video Object) files. The video is interlaced for display on ordinary TV sets.
Which disk is like a DVD and used for storing full length movies?
CD-ROM STAMPER. DVD (digital video disc) is a technology based on optical data storage similar to compact disc (CD). Optical data storage is a method of storing digital information (1’s and 0’s) by using light to read the information.
Can I make my DVD player region free?
To make your DVD player region free or multi-region, you can hack it. Sony, Samsung, and Philips are easy to handle, but some of them require extra steps, such as a firmware update for playing any region DVD without changing region code on DVD players, or burning a CD image to a disk.
How are DVDs better than CDS?
The CD and DVD are the optical recording medium where CD was devised as an audio storage format while DVD is used as the universal storage format. The latter technology DVD can hold data about 7 times more than CD and its format efficiency is also 32% greater than a CD.
What does +R mean on a DVD?
Stands for “Digital Versatile Disc Recordable.” A DVD-R looks the same as a regular DVD, but like a CD-R, it can be used to record data. Once a DVD-R has been “burned,” or written to, it cannot be written to again. A basic single-sided, single-layer DVD-R disc can store 4.7GB of data.
Where is the data stored on a DVD?
Like a CD, the data on a DVD is encoded in the form of small pits and bumps in the track of the disc. A DVD is composed of several layers of plastic, totaling about 1.2 millimeters thick. Each layer is created by injection molding polycarbonate plastic.
Is a DVD +R rewritable?
DVD recordable and DVD rewritable are optical disc recording technologies. Both terms describe DVD optical discs that can be written to by a DVD recorder, whereas only ‘rewritable’ discs are able to erase and rewrite data. Like CD-Rs, DVD recordable uses dye to store the data.
How many minutes fit on a DVD?
This means that a DVD-5, DVD-R, or DVD+R can hold up to about 120 minutes of video with standard bit-rate and a 48kHz audio stream. However, we have found that to maximize quality, we recommend no more than 85 minutes on a DVD-5. DVD-9s will hold about 4 hours of video (less than 3 at the optimal quality).