The Analysis of VLC-Coded Efficiency Based on MPEG-I Layer III Audio

Tan, Jiaqiang; Wang, Rangding

doi:10.1109/cw.2008.26

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Codebook Distribution Of Single Compressed Audios1

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Cited by 4 publications

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“…But the distribution of Huffman codebook indexes would be different for the AAC audio encoded by different bitrates [18]. The index distribution complies with the following rules as shown in Fig.…”

Section: Codebook Distribution Of Single Compressed Audiosmentioning

confidence: 91%

An efficient algorithm for double compressed AAC audio detection

Jin

Wang

Yan

et al. 2015

Multimed Tools Appl

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As a new generation of compression encoding standard, MPEG-2/4 Advanced Audio Coding (AAC) would be a widely-used audio format in the near future. However, these AAC audios often be forged by audio forgers for their own benefits in some significant events, which will cause double AAC compression. In this paper, the probability values and Markov features based on the Huffman codebook indexes of AAC audio were constructed and an efficient algorithm is proposed to detect double compression. Experimental results demonstrate that our method has high detection accuracy and low computational complexity. To the best of our knowledge, it is the first time to apply double compression detection to AAC audio forensics.

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Section: Codebook Distribution Of Single Compressed Audiosmentioning

confidence: 91%