Knowledgebase - FAQ
CD Replication, DVD Replication, Duplication Experts - Questions and Knowledge Base - Software Manufacturing
Following are our frequently asked questions, organized by category. If we haven't answered your question below, please contact us, so that we can help you.
Audio/Visual (A/V) Questions
What is a Codec?
A CODEC is a program that COmpresses and DECompresses information. Different Codecs have different purposes. A Codec can be used to compress video for web distribution. But you would want a different Codec for video to be distributed on a DVD.
What does MPEG mean?Movie Pictures Expert Group. MPEG is a working group within ISO (International Standards Organization) responsible for developing standards that are interoperable.
What is MPEG-1 for?MPEG-1 is an industry standard developed in about 1993 for the compression of audio / video files. The compression is in part developed around removing material that cannot normally be sensed by humans.
What is MPEG-2 for?MPEG-2 is an industry standard provides audio / video files that are extremely high quality. This is often used for broadcasts and is the default format for video DVDs.
What is MPEG-4 for?MPEG-4 is an open industry standard that provides audio / video files that are small, but retain very high quality playback.
What is NTSC?National Television Systems Committee. NTSC is the standard for televisions in the United States. The standard for Europe is PAL. The NTSC standard is basically a composite video signal with a refresh rate of 60 half-frames (interlaced) with each frame containing 525 lines. This signal is capable of containing 16 million colors.