What is 1080p?
1080p is a progressive-scan high-definition video format with 1,080 vertical pixels. It typically uses a 1920x1080 frame with a 16:9 aspect ratio and is also called Full HD.
How 1080p works
A 1080p signal carries each picture as a full progressive frame with 1,080 sampled lines. The familiar 1920×1080 square-pixel raster is only part of its delivery description; frame rate, codec, bitrate, colorimetry, dynamic range, and chroma format remain independent. It occupies a common middle tier in acquisition, editing, mezzanine, and streaming pipelines because it balances detail with manageable processing and transfer requirements.
Key facts
- The “p” distinguishes progressive frames from 1080i fields, but it does not identify a frame rate; several acquisition and delivery rates can use the same label.
- A 1920×1080 raster has a 16:9 square-pixel shape, whereas anamorphic 1080 formats can store fewer horizontal samples and signal a wider presentation.
- Calling media Full HD does not guarantee BT.709 colorimetry, SDR transfer characteristics, or a particular codec profile; those properties require separate metadata checks.
When 1080p matters
Include 1080p when viewers need a detailed HD rendition without the cost of 4K delivery. Match its bitrate and codec to the content, network budget, and decoding capabilities of target devices.