Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Difference Between DVD-R and DVD+R
DVD stands for Digital Versatile Disk. DVD is a type of optical storage device used to store digital information. DVD uses red laser to read and write on the disk. DVD is a cheap method of storing and transferring of data in computers. Based on the nature, DVDs come in several formats such as,
DVD-ROM
DVD-RAM
DVD-R
DVD+R
DVD-RW
DVD+RW
In this article, we will talk about DVD-R and DVD+R, and the important differences between DVD-R and DVD+R.
What is DVD-R?
DVD-R stands for Digital Versatile Disk Recordable. DVD-R is pronounced as DVD Dash R. DVD-R is a type of DVD which is an optical storage device used to store information on digital systems like computers, etc. Physically, DVD-R is a circular disk whose standard diameter is 120 mm and thickness is 1.2 mm. Most DVD drives/players support DVD R.
The most important feature of the DVD-R is that we can write it once and read many times. Therefore, DVD-R is a type of WORM disk, i.e. Write Once Read Many Disk. It is generally used to store non-volatile information such as music, videos, photos, etc. However, once data is stored on a DVD-R, it cannot be altered or deleted.
A DVD-R comprises of two polycarbonate substrates each of thickness 0.6 mm. The DVD R format of DVD was first developed by Pioneer Corporation in the year of 1997. This format of DVD was then approved by the DVD forum. DVD-R format of DVD is mainly used to store digital data and information for long period.
What is DVD+R?
DVD+R is also a recordable DVD, which is pronounced as DVD Plus R. Physically, DVD-R and DVD+R looks similar as they both have 120 mm circular diameter and 1.2 mm thickness and comprising of two 0.6 mm poly-carbonate substrates.
DVD+R format of DVD was developed by Sony and Phillips in the year of 2002. DVD+R format uses “wobble frequency” as the technique to determine the location of data on the disc. DVD+R format checks the data during recording process. Also, it allows uses to format and record the data at the same time. These advanced features make DVD+R relatively more expensive than DVD-R.
After getting insights into the basics of DVD-R and DVD+R, let us now discuss the important differences between them.
Difference between DVD-R and DVD+R
The important differences between DVD-R and DVD+R are listed in the following table −
Parameter |
DVD-R |
DVD+R |
|---|---|---|
Pronunciation |
DVD-R is pronounced as “DVD dash R”. |
DVD+R is pronounced as “DVD+R”. |
Developed by |
DVD-R was developed by Pioneer Corporation. |
DVD+R format was developed by a coalition of corporations, Sony & Philips. |
Release year |
DVD-R was released in 1997. |
DVD+R format was released in 2002. |
Location determination technique |
DVD-R format uses land pre pits technique to determine the location of data on the disc. |
DVD+R format uses wobble frequency technique to determine the location of data on the disc. |
Drag & Drop Feature |
DVD-R format does not support drag and drop feature. |
DVD+R format supports drag and drop feature. |
Laser guide system |
DVD-R uses LPP (Land Pre Pit) system is used to determine how the laser is guided on the disk. |
DVD+R uses ADIP (Address in Pregroove) system to determine how the laser is guided on the disk. |
Cost |
DVD-R disks are less expensive than DVD+R disks. |
DVD+R disks are relatively expensive. |
Error checking feature |
DVD-R does not have functionality to check the disk for errors during recording. |
DVD+R checks for errors during recording. |
Susceptibility to interference |
DVD-R is comparatively more susceptible to interference. |
DVD+R is less susceptible to interference. |
Simultaneous formatting & recording |
DVD-R does not have feature of formatting and recording data at the same time. |
DVD+R has a feature that allows users to format and record data at the same time.1 |
Conclusion
Basically, both DVD-R and DVD+R are the formats of recordable DVDs having the key difference between their data accessing process. That is, DVD-R uses land prepits to process data on the dick, while DVD+R uses wobble frequency to process data on the disk. However, both formats look similar on the outside and store same about of data.
3K+ Views
