B-Frame

Short for bi-directional frame, or bi-directional predictive frame, a video compression method used by the MPEG standard. In a motion sequence, individual frames of pictures are grouped together (called a group of pictures, or GOP) and played back so that the viewer registers the video s spatial motion. As the name suggests, B-frames rely on the frames preceding and following them. B-frames contain only the data that have changed from the preceding frame or are different from the data in the very next frame.

P-frames and B-frames are also referred to as delta frames.

Also see P-frame and I-frame.

Webopedia Staff
Webopedia Staff
Since 1995, more than 100 tech experts and researchers have kept Webopedia’s definitions, articles, and study guides up to date. For more information on current editorial staff, please visit our About page.

Related Articles

Special Character

A special character is one that is not considered a number or letter. Symbols, accent marks, and punctuation marks are considered special characters. Similarly,...

Software

Table of contents What is Software? History of Software Software vs. Hardware Software vs. Hardware Comparison Chart What Types of Software Exist? Saas vs....

Email Address

What is an Email Address? An email address is a designation for an electronic mailbox that sends and receives messages, known as email, on a...

Information Technology (IT) Architect

The information technology architect applies IT resources to meet specific business requirements. The role requires a high degree of technical expertise as well as...

Geotargeting

Geotargeting is a method of delivering data or content to users based on...

Agile Project Management

Agile project management enables business teams to approach their projects and tasks with...

Private 5G Network

A private 5G network is a private local area network (LAN) that utilizes...