Cryptography – Video cryptography – Video electric signal modification
Reexamination Certificate
2011-07-12
2011-07-12
Zand, Kambiz (Department: 2434)
Cryptography
Video cryptography
Video electric signal modification
Reexamination Certificate
active
07978853
ABSTRACT:
Techniques for protecting information in an audio file are provided. The techniques include obtaining an audio file, detecting information beating one or more segments in a speech signal, wherein the information comprises information sought for protection, encrypting the information sought for protection by scrambling the one or more segments using a scrambling filter, and selectively decrypting an amount of the encrypted information, wherein the amount of the encrypted information to be decrypted depends on user access privilege, and wherein selectively decrypting the amount of the encrypted information protects said amount of the encrypted information. Techniques are also provided for protecting information in an audio file.
REFERENCES:
patent: 5058159 (1991-10-01), Quan
patent: 5796829 (1998-08-01), Newby et al.
patent: 6058363 (2000-05-01), Ramalingam
patent: 6081784 (2000-06-01), Tsutsui
patent: 6226612 (2001-05-01), Srenger et al.
patent: 6505156 (2003-01-01), Junkawitsch et al.
patent: 6574338 (2003-06-01), Sachdev
patent: 6862343 (2005-03-01), Vacek et al.
patent: 6868403 (2005-03-01), Wiser et al.
patent: 6988205 (2006-01-01), Walker et al.
patent: 7120255 (2006-10-01), Cross
patent: 7130436 (2006-10-01), Tabata et al.
patent: 7146008 (2006-12-01), Hannah et al.
patent: 7673315 (2010-03-01), Wong et al.
patent: 2001/0036271 (2001-11-01), Javed
patent: 2002/0146122 (2002-10-01), Vestergaard et al.
patent: 2003/0169878 (2003-09-01), Miles
patent: 2006/0184790 (2006-08-01), Oliveira et al.
patent: 2006/0274856 (2006-12-01), Dunn et al.
patent: 2007/0160208 (2007-07-01), MacLean et al.
patent: 2008/0226067 (2008-09-01), De Haan et al.
“AES encryption scheme,” http://www.nist.gov/CryptoToolkit, downloaded on Jan. 10, 2008.
“Secure Real Time transport protocol,” http://tools ietf org/html/rfc3711, downloaded on Jan. 10, 2008.
Servetti, et al., “Perception based partial encryption of compressed speech,” IEEE Transcations on Speech and Audio Processing, vol. 1, No. 8, 2002.
Servetti et al., “Frequency-selective partial encryption of compressed audio,” IEEE ICASSP, 2003.
Silaghi, M, “Spotting subsequences matching a HMM using the average observation probability criterion with application to keyword spotting,” AAAI, 2005.
Faruquie Tanveer A.
Krishnapuram Raghuram
Mahajan Nandita J.
Subramaniam L. Venkat
Tyagi Vivek
Hailu Teshome
International Business Machines - Corporation
Ryan & Mason & Lewis, LLP
Zand Kambiz
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