| Subject | English | Japanese |
| comp., MS | audio codec | オーディオ コーデック (The digital encoding used to represent audio data) |
| comp., MS | image codec | イメージ コーデック (Software or an algorithm that converts images to a specified file format (encoder) or from file format to displayed image (decoder)) |
| comp., MS | narrowband audio codec | 狭帯域オーディオ コーデック (An audio codec that provides voice by using a sampling rate of 8 kHz) |
| comp., MS | narrowband codec | 狭帯域コーデック (An audio codec that provides voice by using a sampling rate of 8 kHz) |
| pwr.lines. | PCM codec | PCMコーデック |
| comp., MS | video codec | ビデオ コーデック (An algorithm used to compress and decompress video data. Video codec can be implemented in hardware or software or both. Commonly used video codecs include audio/video interleaved (AVI) and Moving Pictures Expert Group (MPEG)) |
| comp. | n video codec | 動画コーデック |
| comp. | n voice codec | ボイス・コーデック |
| comp. | n voice codec | ボイスコーデック |
| comp., MS | wideband audio codec | 広帯域オーディオ コーデック (An audio codec that provides high-quality voice by using a sampling rate of 16 kHz) |
| comp., MS | wideband codec | 広帯域コーデック (An audio codec that provides high-quality voice by using a sampling rate of 16 kHz) |
| comp., MS | Windows Media Audio codec | Windows Media オーディオ コーデック (A codec used to compress and decompress audio streams) |
| comp., MS | Windows Media Screen codec | Windows Media 画面コーデック (A codec used to compress and decompress sequences of screen images) |
| comp., MS | Windows Media Speech codec | Windows Media スピーチ コーデック (A codec used to compress and decompress audio streams with an emphasis on speech) |
| comp., MS | Windows Media Video codec | Windows Media ビデオ コーデック (A codec used to compress and decompress video streams) |