| Subject | English | Czech |
| comp., MS | audio codec | zvukový kodek (The digital encoding used to represent audio data) |
| comp., MS | image codec | obrazový kodek (Software or an algorithm that converts images to a specified file format (encoder) or from file format to displayed image (decoder)) |
| comp., MS | Windows Media Audio codec | kodek Windows Media Audio (A codec used to compress and decompress audio streams) |
| comp., MS | Windows Media Screen codec | kodek Windows Media Screen (A codec used to compress and decompress sequences of screen images) |
| comp., MS | Windows Media Speech codec | kodek Windows Media Speech (A codec used to compress and decompress audio streams with an emphasis on speech) |
| comp., MS | Windows Media Video codec | kodek Windows Media Video (A codec used to compress and decompress video streams) |