| Subject | English | Danish |
| IT | encoder/decoder | koder/dekoder |
| comp., MS | image encoder/decoder | billedkoder/-dekoder (Software or an algorithm that converts images to a specified file format (encoder) or from file format to displayed image (decoder)) |
| el. | PCM encoder-decoder | PCM codec |
| IT, earth.sc. | serial encoder/decoder | seriel koder/dekoder |
| IT, earth.sc. | stereo encoder/decoder | stereo koder/dekoder |