A DVD decoder is a tool to undo the encoding of any information.
This is a simple process to get back your original data. You encode necessary data or information into your PC to have the necessary back up of essential inputs. With DVD decoder, you can reverse the process and regain the original information. However, you need to conduct specific digital processes for the final conversion to take place.
DVD decoder is essentially a multiple-input and multiple-output logic circuit. It converts coded inputs into coded outputs but with different input and output codes as present in BCD and n-to-2n decoders. You need inputs to be on the decoder for proper functioning. Otherwise, the decoder assumes a single disabled output code word. 7 segment display, data multiplexing, and memory address decoding are common applications needing decoding of data.
Installation of DVD player on your PC necessitates installation of DVD decoder too. Normally, DVD movies are in MPEG-2 format. MPEG-2 is a technology to compress the video. However, you need to decode the available format to view the contents easily. This is where the decoder performs its function by taking the MPEG-2 movie from the disk and allowing you to view it on a monitor or a television screen.
Types of Decoders
There are two types of DVD decoder: Hardware and Software decoders. You can use either of them according to their suitability to your system. Hardware decoder is in the form of a card. You can install this card into your PCI slot. Thereafter, all decoding processes occur on the card instead of your CPU. Common among such decoders are Sigma Designs, Video Logic, and Creative Labs.
A simple DVD decoder circuit has an AND gate to comply with all the ‘High’ inputs and its own output. The n-to-2n type binary decoders present many complexities. These decoders have combinational circuits to convert binary information from n coded inputs to a maximum of 2n unique outputs. Such similar decoders are 4-to-16 decoder, 3-to-8 decoder, or 2-to-4 decoder.
Normally, computers with Windows XP do not have any default settings of DVD decoder. You can check if your computer supports such Windows XP-compatible DVD decoder software. Select Run on the start menu, enter cmd in the open box, and click OK. Type dvdupgrd /detect and press Enter. If you have such decoder in your PC, it will display relevant information of the software on the dialog box. However, without any relevant software, the box displays ‘No decoders’.
DVD decoder also helps in the use of Windows Media Player. Such installation of a decoder is simpler if you already have a DVD player on your PC. Then you just need a media player plug-in. You can get such decoders from the regular vendors of DVD playback and authoring software. Such decoder is compatible on laptops and PCs with Windows XP.
Note: The DVD Copying software we review is for personal backups only. If you don't own the disc that you are backing up, copying them is illegal, we do not condone such activities.