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Published on Jun 29, 2011
they change the command, so use the new one instead: $ ecm-uncompress
What is ECM, and why should I use it?
ECM (Error Code Modeler) lets you prepare CD image files (such as BIN, CDI, NRG, CCD, or similar) so that they'll compress far better in programs such as WinRAR. Here's how to use it:
Run the CD image file (i.e. filename.bin) through ECM to create an ECM file (i.e. filename.bin.ecm). Compress the ECM file (i.e. filename.bin.ecm) using your favorite compression program. Back up, transmit via Internet, or whatever you normally do with CD images! When you want to burn the CD again, extract the original CD image from the ECM file.
Description: prepares CD image files so they compress better The ECM format allows you to reduce the size of a typical CD image file (BIN, CDI, NRG, CCD, or any other format that uses raw sectors). It works by eliminating the Error Correction/Detection Codes (ECC/EDC) from each sector whenever possible. The encoder automatically adjusts to different sector types and automatically skips any headers it encounters. Since the data skipped is nearly impossible to compress with traditionnal tools, the resulting ECM file will compress far better than the raw CD image. Homepage: http://www.neillcorlett.com/ecm/