| Subject | English | Spanish |
| comp., MS | audio codec | códec de audio (The digital encoding used to represent audio data) |
| comp., MS | narrowband audio codec | códec de audio de banda estrecha (An audio codec that provides voice by using a sampling rate of 8 kHz) |
| comp., MS | wideband audio codec | códec de audio de banda ancha (An audio codec that provides high-quality voice by using a sampling rate of 16 kHz) |
| comp., MS | Windows Media Audio codec | códec de audio de Windows Media (A codec used to compress and decompress audio streams) |