NEN ISO/IEC 15948 : 2004
Current
The latest, up-to-date edition.
01-12-2013
Defines a datastream and an associated file format, Portable Network Graphics (PNG, pronounced 'ping'), for a lossless, portable, compressed individual computer graphics image transmitted across the Internet. Indexed-colour, greyscale, and truecolour images are supported, with optional transparency. Also defines the Internet Media type 'image/png'. The datastream and associated file format have value outside of the main design goal.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.