Standard Definition refers to video, or sometimes audio, encoded for use with legacy systems like analog TV andCD Audio (CD-DA).

Video
In the case of video it refers toSDTV resolutions, as defined in theITU-R BT.601 specification. It may also refer to the actual analog video signals associated with digital SDTV.Widescreen video encoded anamorphically forDVD is also Standard Definition as its "sqeezed" into a Standard DefinitionFrame. Besides DVD, other video sources considered Standard Definition areVCD,SVCD,DV (from SD camcorders), and the various non-standard resolutions used forMPEG-4 ASP (DivX,XviD,3ivX, etc, ...) encoding. Digital TV may also be broadcast in Standard Definition as the standard broadcast formats -ATSC andDVB, allow for both Standard Definition and High Definition.

Audio
For audio the definition is somewhat less clear, although it generally refers to audio with aSamplerate no higher than 48kHz (48,000 samples per second) and sample depth of no more than 16 bits. This includes Audio CDs and the standard audio used forDVD-Video.

Glossary

Select a term to see the explanation

File extensions

Select a file extension to see its definition

Sections:

• Tech News
• Guides and Tutorials
• Software Downloads
• Top Downloads
• Forums
• Glossary

Follow us:

• Facebook
• Twitter
• YouTube
• Instagram
• RSS Feeds:
  • Latest News
  • Software Updates