| Subject | Polish | English |
| comp., MS | kodek obrazu | image encoder/decoder (Software or an algorithm that converts images to a specified file format (encoder) or from file format to displayed image (decoder)) |
| comp., MS | kodek obrazu | image codec (Software or an algorithm that converts images to a specified file format (encoder) or from file format to displayed image (decoder)) |
| pwr.lines. | kodek PCM | PCM encoder-decoder |
| pwr.lines. | kodek PCM | PCM codec |