FLAC (Free Lossless Audio Codec) is a free lossless digital audio format developed by Xiph.Org. A compressed FLAC file can be reduced by between 50-70% of the original size and decompress back to the original sound data. This file format supports metadata like ID3 tags, cover art, and album title.
TS (Transport Stream) is a digital video format for saving video data on a DVD. It uses MPEG-2 compression on its video data, and the files come with a VIDE0_TS directory. TS files are straightforward on most computer video editing programs and media players.
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