lossless compression

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lossless compression

Telemedicine A data compression format that allows both efficient transmission and accurate decompression/expansion at the receiving end. See Data compression, Telemedicine; Cf Codec, Lossy compression, Modem, T-1.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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So I produced the test file from seven different HDV-source scenes, edited together in Premiere Pro and exported in HDV parameters (1440x1080i) using the Lagarith YUV 12 lossless codec, which was as close as I could come to the original HDV format without imposing another layer of MPEG-2 compression by rendering back to HDV after editing.
All major codecs, including MP3, MP3 Surround, AAC-LC and HE-AAC are supported, as are lossless codecs such as MP3-HD and HD-AAC.
Lossless codecs typically produce around 2:1 compression for color images with moderately complex scenes.