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Title: Methods for Identifying Traces of Compression in Audio
Authors: Hiçsönmez, Samet
Uzun, Erkam
Sencar, Hüsrev Taha
Keywords: [No Keywords]
Issue Date: 2013
Publisher: IEEE
Source: 1st International Conference on Communications, Signal Processing, and their Applications (ICCSPA) -- FEB 12-14, 2013 -- Amer Univ Sharjah, Sharjah, U ARAB EMIRATES
Series/Report no.: International Conference on Communications Signal Processing and their Applications ICCSPA
Abstract: Compression history of an audio may reveal very useful information when traces of tampering has to be investigated or quality of an audio has to be evaluated. Motivated by this, we introduce two methods that can discriminate between single and double compressed audio and can identify compression codec and bit rate of an audio. The first method utilizes audio quality measures to realize this and operates on decoded audio. The second method, alternatively, works on coded audio, effectively the audio bit stream, and characterizes randomness and chaotic properties of the bit stream to achieve these tasks. Unlike the existing work in the literature, which are proposed mainly for MP3 encoded audio, both methods can be applied to all encoding formats. Extensive tests have been performed to test the performance of both methods under various settings. Results show that both methods can be very reliably used to obtain information on compression history of an audio.
ISBN: 978-1-4673-2821-0; 978-1-4673-2820-3
ISSN: 2377-682X
Appears in Collections:Bilgisayar Mühendisliği Bölümü / Department of Computer Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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