Original sentence: MPEG-1: The first compression standard for audio and video.MPEG-2: Transport, video and audio standards for broadcast-quality television.MPEG-4: MPEG-4 uses further coding tools with additional complexity to achieve higher compression factors than MPEG-2
Edited sentence: MPEG-1 (1993): The first compression standard for audio and video.MPEG-2 (1995): Transport, video and audio standards for broadcast-quality television.MPEG-4 (1998): MPEG-4 uses further coding tools with additional complexity to achieve higher compression factors than MPEG-2