M2T (MPEG-2 Transport Stream) is a video file format mainly used in digital video broadcasts (DVBs) and Advanced Television Systems Committee (ATSC) standards. Initially, it was developed for satellite and terrestrial broadcasts. Today, it’s common in most HD camcorders, and the video is stored in DV and MiniDV tapes. It supports resolutions of up to 1080x720.
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3GP is a digital media container format developed by the Third Generation Partnership Project (3GPP). It stores both audio and video streams that are transmitted via 4G, 3G, and 2G mobiles phones. Here, the video format is saved in H.264/H.253 codec, while audio is streamed in AAC-LC, HE-AAC v1, AMR-NB, AMR-WB, AMR-WB+, or Enhanced aacPlus.
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