| Subject | Polish | English |
| comp., MS | koder-dekoder | codec (Software that is used to compress or decompress a digital media file) |
| comp., MS | koder-dekoder audio | audio codec (The digital encoding used to represent audio data) |
| comp., MS | koder-dekoder ekranowy Windows Media | Windows Media Screen codec (A codec used to compress and decompress sequences of screen images) |
| comp., MS | koder-dekoder mowy Windows Media | Windows Media Speech codec (A codec used to compress and decompress audio streams with an emphasis on speech) |
| pwr.lines. | koder-dekoder PCM | PCM encoder-decoder |
| pwr.lines. | koder-dekoder PCM | PCM codec |
| comp., MS | koder-dekoder Windows Media Audio | Windows Media Audio codec (A codec used to compress and decompress audio streams) |
| comp., MS | koder-dekoder Windows Media Video | Windows Media Video codec (A codec used to compress and decompress video streams) |