MPEG-4 Part 14의 약칭으로, 비디오와 오디오 데이터를 저장하고 스트리밍하는 데 널리 쓰이는 표준 디지털 미디어 컨테이너 형식.
A digital multimedia container format most commonly used to store video and audio, but it can also be used to store other data such as subtitles and still images.
예문:
"The wedding video was saved in MP4 format for easy sharing."
"Please upload the presentation as an MP4 file to the server."
"Most modern devices are compatible with the MP4 standard."