# What is 480p?

480p identifies a family of progressive-scan video formats with 480 vertical pixels. Common frame sizes include 640x480 for 4:3 content and approximately 854x480 for 16:9 content.

Video + audio tracks

Video processing

Playable derivative

Video processing decodes timed tracks, transforms them, and encodes a deliverable for a target player. This diagram shows video broadly, not specifically 480p.

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## How 480p works

A 480p asset contains complete progressive frames with 480 sampled lines of height. Its width follows the intended geometry and encoder constraints, so the term covers both traditional 4:3 imagery and widescreen renditions rather than one exact raster. It sits near the standard-definition end of modern delivery ladders, where correct deinterlacing, aspect signaling, and downscaling often matter more than adding aggressive sharpening.

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## Key facts

1. 1For square pixels, 640×480 represents 4:3, while 854×480 closely represents 16:9; some encoders use 848×480 to satisfy block-alignment constraints.
2. 2480p must not be conflated with 480i: both reference 480 visible lines, but one carries progressive frames and the other represents alternating fields.
3. 3Deinterlacing 480i into 480p requires a motion-aware or otherwise deliberate method; simply combining mismatched fields can create combing around moving edges.

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## When 480p matters

Offer 480p when reduced data consumption matters more than fine detail, especially on small screens. Do not assume one fixed width; preserve the source ratio and meet any encoder alignment requirement.

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## Common use cases for video

These examples cover video broadly, not specifically 480p.

* Preparing uploaded video for web, mobile, connected-TV, social, or editorial playback.
* Creating clips, thumbnails, captions, alternate aspect ratios, and adaptive renditions.
* Normalizing camera, screen-recording, and user-generated files into predictable outputs.

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## Working with video

This guidance covers video broadly, not just 480p.

A demuxer separates tracks from the container, decoders turn compressed streams into frames or samples, and filters apply spatial or temporal changes. Encoders compress the transformed tracks before a muxer writes the chosen output container.

Video compatibility is the product of codec, container, profile, level, frame rate, color, audio, and subtitles. Validate the complete output on target devices because a playable file on one decoder may fail or look different on another.

### What you gain

* Standardized derivatives make diverse source files playable on target devices.
* A retained master can feed many resolutions, aspect ratios, codecs, and channels.
* Automated inspection and transformation make large upload volumes consistent.

### What it costs

* More efficient codecs can lower bitrate at similar quality but usually cost more compute and may have narrower support.
* Higher resolutions and frame rates preserve more detail and motion while increasing processing and delivery requirements.
* Fast encoding settings improve throughput but can produce larger files or lower quality than slower analysis.

### Before production

1. 1Inspect codec, container, dimensions, frame rate, color, audio, and subtitle tracks.
2. 2Test visual quality and playback support across the slowest and oldest target devices.
3. 3Preserve a suitable master before applying lossy, destructive, or delivery-specific changes.

[← 360p](/glossary/360p.md)[640x480 →](/glossary/640x480.md)

More in video

* [16:9](/glossary/16-9.md)
* [360-Degree Video](/glossary/360-degree-video.md)
* [360p](/glossary/360p.md)
* [640x480](/glossary/640x480.md)
* [720x480](/glossary/720x480.md)
* [1080p](/glossary/1080p.md)

[All 505 terms](/glossary.md)

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