- Extension
- .3gpp
- .pgm
- Format
- Binary
- Binary
- Category
- Video
- Raster Image
- Developer
- Third Generation Partnership Project
- Jef Poskanzer
- Description
- It is an audio and video file format specially created to send multimedia files over the internet and to save mobile phone videos. 3GPP was developed by the 3rd Generation Partnership Project.
- A PGM file is a grayscale image file saved in the portable gray map (PGM) format and encoded with one or two bytes (8 or 16 bits) per pixel. It contains header information and a grid of numbers that represent different shades of gray from black (0) to white (up to 65,536). PGM files are typically stored in ASCII text format, but also have a binary representation.
- MIME Type
- video/3gpp
- image/x-portable-graymap
