| Subject | English | Korean |
| comp., MS | audio codec | 오디오 코덱 (The digital encoding used to represent audio data) |
| comp., MS | narrowband audio codec | 협대역 오디오 코덱 (An audio codec that provides voice by using a sampling rate of 8 kHz) |
| comp., MS | wideband audio codec | 광대역 오디오 코덱 (An audio codec that provides high-quality voice by using a sampling rate of 16 kHz) |