AudioMark is a software package designed for casting "inaudible" watermarks on digital audio and detecting them in case of controversial ownership. Therefore, the primary usage of AudioMark is copyright protection and supply of ownership evidence for digital audio. A copyright owner uses a unique key to create an "inaudible" watermark on its audio files. Later on, he can examine whether a given audio file, which is suspected for being illegally copied, contains his own watermark and use it as legal proof.

  AudioMark is implemented as a user-friendly Microsoft Windows 2000 application that can perform watermark casting and detection of Wav and Raw format audio files. In case of suspicion of digital audio theft, exhaustive search of the original in the copyright owner's audio database is often an inefficient task. AudioMark generates an imperceptible watermark, based on the owner's copyright key, and casts it on the body of the audio. The watermark can be easily detected by the copyright owner by providing the valid watermark key to AudioMark without any knowledge of the original audio file. Thus, he can have a proof of ownership, in case of theft, based on his unique watermark key. Detection results can be processed and stored in data files for further investigation. Plot routines are also provided for a visual, thus more comprehensive study of the detection output. Batch processing of a set of audio files is a further feature of AudioMark.

  A sample piece of music without watermark (From Vivaldi's work "Four Seasons")

  The same sample having a watermark

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Platform Availability
	Microsoft Windows 95/98/Me/NT 4.0/2000/XP

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