| Subject | English | Welsh |
| comp., MS | sound board | bwrdd sain (A type of expansion board on PC-compatible computers that allows the playback and recording of sound, such as from a WAV or MIDI file or a music CD-ROM. Most PCs sold at retail include a sound card) |
| comp., MS | sound card | cerdyn sain (A type of expansion board on PC-compatible computers that allows the playback and recording of sound, such as from a WAV or MIDI file or a music CD-ROM. Most PCs sold at retail include a sound card) |
| comp., MS | Sound Recorder | Recordiwr Sain (The app that facilitates recording voice from a microphone, as well as saving, editing, playing and sharing recorded audio clips) |
