Resolution and aspect ratio are terms used to describe the format and image you see on your television screen. In a television, these two values are related and one affects the other.
Resolution
Resolution defines the number of pixels (dots) that make up the picture on your television. For any given screen size, the more dots in the picture, the higher the resolution and the higher the overall quality of the picture.
TV resolution is often stated as the number of pixels or dots contained vertically in the picture. Each of these resolutions also has a name associated with it.
[A] Resolution(# of vertical dots)
Aspect Ratio
Closely tied to resolution is Aspect Ratio. This is the ratio of width to height of the TV screen. Certain aspect ratios are designed to handle certain resolutions without any stretching or distortion of the picture and without any blank space around the picture.
[A] Height
[B]Width
Common examples for TVs
Resolution | Description | Aspect Ratio | Width (in pixels) | Height (in pixels) |
480i or 480p | Standard Definition (SD) | 4:3 | 640 | 480 |
720p | High Definition (HD) | 16:9 | 1280 | 720 |
1080i or 1080p | High Definition (HD) | 16:9 | 1920 | 1080 |
2160p | Ultra High Definition (UHD) or 4K | 16:9 | 3840 | 2160 |
Video formats
The animations and videos can be downloaded in different sizes and qualities:
| Format | Dimensions SD [pixels] (4:3) | Dimensions HD [pixels] (16:9) | Field/Frame Rate [fps] | File type | Encoded today | Bitrate (kbit/s) | Directory | Other info | |
| Small | Small Flash | 320 x 240 | 320 x 180 | 25 | .flv | small_flash | Flash 8 encoded low quality small preview file. | ||
| Small QT | 320 x 240 | 320 x 180 | 25 | .mov | small_qt | QuickTime H.264. Fast start. | |||
| Medium | Video Podcast | 640 x 480 | 640 x 360 | SD:25, HD:50 | .m4v | * | 1500 | medium_podcast | QuickTime H.264 encoded. It can be watched with any hardware, Apple iPod included, or in any program that reads files in .m4v format. |
| Medium MPEG-1 | 640 x 480 | 640 x 360 | 25 | .mpeg | * | 3000 | medium_mpeg1 | MPEG-1 encoded, good quality, medium file for download (suitable for PowerPoint). | |
| Medium Flash | 640 x 480 | 640 x 360 | 25 | .flv | * | 1500 | medium_flash | Flash 8 encoded | |
| Large | Large QT | 768 x 576 | 720 x 405 | 25 | .mov | * | 2000 | large_qt | QuickTime, H.264. Fast start. |
| Broadcast SD | 768 x 576, 4:3 interlaced | 720 x 576, 16:9 Anamorphic (plays full screen on a 16:9 display | 25 | .mxf, .avi | * | 30 000 | broadcast_sd | MXF-HD source, DV Type 2 SD-Source | |
| HD | HD & Apple TV Preview | N/A | 1280 x 720 | 25 | .m4v | * | 5000 | hd_and_apple | MPEG4 H.264. Suitable for Apple TV. Fast start, .m4v |
| Full HD Preview 1080p | N/A | 1920 x 1080 | 25 | .mp4 | * | 7000 | hd_1080p25_screen | MPEG 4 h264 | |
| Full HD Broadcast 1080p | N/A | 1440 x 1080, 1920 x 1080 | 25 | .avi, .mxf, .mov | * | 7200 000 | hd_1080p25_broadcast | Grass Valley HQX codec in an AVI wrapper. This file format is for broadcasters and the files can be imported by non-linear editing systems and edited. | |
| Ultra HD | 4K Ultra HD Preview H.264 | N/A | 3840 x 2160 | 25 | .mp4 | * | 20 000 | ultra_hd | MPEG4 H.264 |
| 4K Ultra HD Preview H.265 | N/A | 3840 x 2160 | 25 | .mp4 | * | 30 000 | ultra_hd_h265 | MPEG4 H.265, high quality (only offered in special cases, playable in latest DivX player) | |
| 4K Ultra HD Broadcast | N/A | 3840 x 2160 | 25 | .avi | * | 7200 000 | ultra_hd_broadcast | Grass Valley HQX codec in an AVI wrapper | |
| Dome | Fulldome Preview | N/A | 1024 x 1024 | 30 | .mp4 | * | 12 000 | dome_preview | MPEG4 H.264 |
| Fulldome 1.5k mov | N/A | 1536 x 1536 | 30 | .mov | * | 15 000 | dome_mov | QuickTime, H.264 | |
| Fulldome 2k Master | N/A | 2048 x 2048 | 30 | .jpgs. Zipped with Winzip | * | ~230 000 | dome_2kmaster | For planetarium use only (lightly compressed zipped single frames). The dome masters can be downloaded and sliced into the configuration that suits the individual planetarium. Only supplied for long clips or shows. Note: 1. Do not use Windows' built-in unzipper as it produces random frames (due to its default security settings). 2. As no network or browser is 100% stable, we strongly recommend using a download manager (like Free Download Manager1 or the command-line tool aria2). | |
| Fulldome 4k Master | N/A | 4096 x 4096 (or best available) | 30 (sometimes 25) | .jpgs. Zipped with Winzip | * | ~1 000 000 | dome_4kmaster | For planetarium use only (lightly compressed zipped single frames). The dome masters can be downloaded and sliced into the configuration that suits the individual planetarium. Only supplied for long clips or shows. Note: 1. Do not use Windows' built-in unzipper as it produces random frames (due to its default security settings). 2. As no network or browser is 100% stable, we strongly recommend using a download manager (like Free Download Manager1 or the command-line tool aria2). | |
| Fulldome 8k Master | N/A | 8192 x 8192 | 30 | .jpgs. Zipped with Winzip. | * | ~1000 000 | dome_8kmaster | For planetarium use only (lightly compressed single frames), Produced with a 180 degrees fish-eye camera, or a standard 5 camera rig stitched together to a dome master. The dome masters can be downloaded and sliced into the configuration that suits the individual planetarium. | |
1 In Free Download Manager we recommend setting: Options -> Settings -> Downloads -> New Download -> Advanced -> Connection: unclick "Maximum number of attempts" (to have infinite numbers of reconnection attempts). And please double-check that you have enough free disk space where you're saving. With this solution, we believe that even up to 400 GB large files can be taken down on a personal DSL16000 line (at 1.8 MB/s) over a weekend in Europe. We are working on solving the slower delivery to more distant locations.
On these pages, you find overviews of some of Hubble's video clips produced by the ESA/Hubble.
The animations can be downloaded in different sizes and qualities.
Note
Visit Always “irfanhossen.info” for gain knowledge
Comparison chart
Below you can compare the relation between the different provided video formats. The "4K" (i.e. "Ultra HD"), is equivalent to a horizontal resolution on the order of 4000 pixels.
