Koodekkiä
Koodekkiä, the Finnish term for codec, refers to a device or software that compresses and decompresses digital media streams. Codes are used to reduce the amount of data required to store or transmit audio or video, while preserving as much quality as possible within the chosen trade-off.
In practice, codecs are categorized by media type (video, audio, or data) and by whether they are
Common video codecs include H.264/AVC, H.265/HEVC, VP9, and AV1. Common audio codecs include MP3, AAC, Opus, and
Licensing is a consideration: many codecs are patented and require licenses for commercial use. Some codecs,
The concept emerged during the rise of digital audiovisual standards in the 1990s with MPEG and others;