<![CDATA[Digitally recorded especially for audio give us many advantage in data processing or manipulation. Howeverdigitally recorded also avoid violation of data royalty like illegally duplicating, cropping half or all of data anddisttributing without permission from owner of audio data. Based on that problem, there are need one provingsystem for digital media, and watermarking technique can be applied for that purpose.The model design conducted with sets of system model method and watermarking method will apllied is EchoHiding Technique.Analysis is by testing emmbedding and extracting watermark testing, capacity embedding testingand robustnes of watermark attack test.Analysys test for watermarking technique showing degradation of perceptual quality of audio file afterwatermarked. In extraction test , Echo Hiding technique, watermark recovery rate depend on initial amplitude. Thereis no change in size of audio file before and after watermarking process. In robustness test result that Echo hidingTechnique have highly robustness.]]>
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