MP3nema An MP3 analysis, data capturing, and data hiding utility
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mp3 analyzer mp3 analyzer data capturing data hiding capturing

MP3nema Description

An MP3 analysis, data capturing, and data hiding utility MP3nema is a tool aimed at analyzing and capturing data that is hidden between frames in an MP3 file or stream, otherwise noted as "out of band" data. This tool is under the GNU GPLv3 license. So have at it!Thanks to Tele, skhisma, and the rest of the labs!Building:From the top-level directory of mp3nema run: ./configure makeDebugging mode can be enabled when configuring by using the following option: ./configure --enable-debugThe resulting binary can be placed anywhere, as there is no "install" target in the makefile.Usage:There are four main uses for mp3enema.0 - Analyzing files or streaming audio to find data hidden between audio frames.1 - Capturing streaming audio to a file.2 - Extracting out of band data to a file.3 - Inserting data between frames.When inserting data between frames, the destination can be a single MP3 file, or a directory of MP3s. To be more covert, larger files should probably be spanned across multiple MP3s. In such a case a directory of MP3 files can be specified. The resulting files, with the injected data, will be numbered so that they can be extracted in proper order. It is suggested that an ASCII-based encoding (e.g. uuencode) be used to encode the data that is to be stashed between frames. This avoids the possibility of replicating an MP3 sync-frame, which would signify the potential start of audio data, and confuse the data-extraction process or audio-playback. Likewise, the case of an ASCII character sequence of "ID3" in the data might also create confusion.The help menu, when running mp3nema without any arguments, designates how to operate in one of the aforementioned modes.The files produced are automatically named based on the source MP3 file or stream that is being analyzed. In the case of duplicate file names, a sequential number is added to the end of the resulting file, before the extension. What's New in This Release: · Version 0.3 and now 0.4 have just been released. Special thanks to Sherard Hall for sending me his output. I was able to make some changes so that builds are more sane now (and slightly more portable). This is not a feature release, but a bug fix/portability release. This also updates the GPL copyright date used.

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