Bassia, P., Pitas, I., Nikolaidis, N.: Robust audio watermarking in the time domain. IEEE Transactions on Multimedia 3 (2001) 232--241  Home/Search   Document Details and Download   Summary   Related Articles   Check

....different time slices the necessary precondition for reading the watermark is an exact synchronisation. To improve the detection speed in case of cropping a synchronisation watermark can be used in a pre processing step. Another possibility to improve the detection speed is to use the time domain [2] for embedding the test statistic in order to avoid the time consuming DFT in the detection process. 9. Conclusion This paper presented a statisitcal audio watermarking algorithm and its extension to a so called public watermarking method. The simultaneous embedding of multiple watermarks in ....

P. Bassia and I. Pitas. Robust audio watermarking in the time domain. In S. Theodoridis et al., editors, Signal processing IX, theories and applications: proceedings of Eusipco98, Ninth European Signal Processing Conference, Rhodes, Greece, 8--11 September 1998.

....hiding Manuscript received December 1, 2002; revised December 2, 2002. The authors are with Microsoft Research, One Microsoft Way, Redmond, WA 98052, USA. E ml: darkok, malvar microsoft. corn techniques explore the fact that the HAS is insensitive to small amplitude changes, either in the time [4] or frequency [5] 6] 7] domains, as well as insertion of low amplitude timedomain echoes [8] Information modulation is usually carried out using: SS [9] or quantization index modulation (QIM) 10] The main advantage of both SS and QIM is that WM detection does not require the original ....

P. Bassia and I. Pitas, "Robust audio watermarking in the time domain," in Proc. EUSIPCO, vol. 1, Rodos, Greece, Sept. 1998, pp. 25 28.

....is determined to carry out such a task [21] Watermarking Technologies. Audio watermarking schemes rely on the imperfections of the human auditory system (HAS) 11] Numerous data hiding techniques explore the fact that the HAS is insensitive to small amplitude changes, either in the time [2] or frequency [5] 19] 23] domains, as well as insertion of low amplitude time domain echoes [7] Information modulation is usually carried out using: direct sequence spread spectrum (SS) 24] or quantization index modulation (QIM) 4] The main advantage of both SS and QIM is that WM detection ....

Bassia, P., Pitas, I.: Robust audio watermarking in the time domain. EUSIPCO, vol. 1. Rodos, Greece, IEEE (1998).

....be less than 80 bytes. It is difficult to properly embed and detect a watermark signal into such a small amount of host data. Watermark signals embedded as pseudo random noise in the time or the frequency domain are statistically undetectable without prior knowledge of the watermark sequence [1, 8]. Thus, hackers are not able to detect and restore the watermark after modifying the speech signal. In following sections, we will propose a fragile speech watermarking scheme that uses pseudo random noise as the watermark. 3. SELECTION OF SPEECH SIGNAL DOMAIN TO EMBED FRAGILE WATERMARKS In ....

I. Pitas and P. Bassia. Robust audio watermarking in the time domain. In EUSIPCO'98, pages 25--28, 1998.

....a serial number to the musical pieces can be obtained by using watermarking techniques. In this paper we propose a technique for embedding digital watermark into audio signal. This embedded information is useful to fill out, in an automatic way, the Cue Sheet for the SIAE. The audio watermark [1], 4] 5] should: be inaudible; have similar compression characteristics as the original signal to survive compression decompression operations; be robust to standard signal manipulation and processing operations like compression, cropping, A DD A conversions etc; be embedded directly in the ....

P. Bassia and I Pitas, Robust audio watermarking in the time-domain, Proceedings of EUSIPCO, pp.19-24, 1998

....order to successfully remove a direct sequence SS watermark. 1. INTRODUCTION Audio watermarking schemes rely on the imperfections of the human auditory system (HAS) Numerous secret hiding techniques explore the fact that the HAS is insensitive to small amplitude changes, either in the time [2] or frequency [4] 9] domain. Information modulation is usually carried out using: SS [4] or quantization index modulation (QIM) 3] It is important to review the disadvantages that both methods exhibit: the marked signal and the watermark (WM) have to be perfectly synchronized at WM ....

Bassia, P., Pitas, I.: Robust audio watermarking in the time domain. Proc. EUSIPCO, Vol. 1. Rodos, Greece. IEE (1998) 25-28.

....can carry a covert message that can be used for track and other identification purposes. Watermarking schemes rely on the imperfections of the human auditory system (HAS) Numerous secret hiding techniques explore the fact that the HAS is insensitive to small amplitude changes, either in the time [2] or frequency [3] 5] domains, as well as insertion of low amplitude time domain echoes [6] Information modulation is usually carried out using: spread spectrum (SS) or quantization index modulation (QIM) QIM hides data by quantizing a signal using interleaved quantizers, where each of the ....

Bassia, P., Pitas, I.: Robust audio watermarking in the time domain. In: Proc. EUSIPCO 98, vol. 1. Rodos, Greece. IEE (1998) 25--28.

....working in the fourier domain. It embeds a 1 bit watermark in every time slice of about 1.2 seconds and doesn t nead the original audio stream or additional data to read the watermark. The algorithms were motivated by the Patchwork approach [2] Similiar methods are working in the time domain [1]. Our audio watermarking method has been adapted to the frequency domain and does not require the original in order to detect the watermark in contrast to other approaches [3, 5] Let us assume a dataset containing values (in our method frequency coefficients of the Fourier domain) ....

P. Bassia and I. Pitas, Robust audio watermarking in the time domain, Signal processing IX, theories and applications: proceedings of Eusipco-98, Ninth European Signal Processing Conference, Rhodes, Greece, 8--11 September 1998 (Patras, Greece) (S. Theodoridis et al., eds.), Typorama Editions, 1998, pp. 25--28.

....2 This often makes it di#cult to keep up with the state ofthe art in audio data embedding schemes. In this section, we summarize some of the available audio data embedding literature and comment on it. One of the first data embedding techniques used was least significant bit replacement [4, 5]. Such techniques lead to problems as the precision of the host signal decreases toward 1 bit sample. Other techniques have been devised based on a phase coding approach [6] In these algorithms, the phase of the Fourier transform coe#cients of a frame of the host signal is altered in a meaningful ....

P. Bassia and I. Pitas, "Robust Audio Watermarking in the Time Domain," Proc. IX Euro. Sig. Proc. Conf., Vol. I, pp. 25--28, Sept. 1998.

....A basic approach to watermarking is to encode the information into the least significant bits of the audio data. There are two basic classes of ways to do this: you can replace the lower order bits completely with a PN sequence, or you can embed a PN sequence into the existing low order bitstream [6]. This technique works in the time domain by changing the amplitude of the audio data in a way that can be recovered given the PN sequence. Varations on this approach include adaptively attenuating the amplitude of the embedded sequence to match the sound level of the current sound passage, and ....

BASSIA, P., AND PITAS, I. Robust Audio Watermarking in the Time Domain. Proceedings of ICASSP (1999).

....Watermarking has been applied successfully to many multimedia modalities. A large portion of the watermarking literature deals with the copyright protection of still digital images (e.g. 18, 19, 20, 21, 22, 23, 24] Watermarking algorithms for digital video [25, 26] and digital 3 audio [27, 28, 29] have been developed as well. The proposed watermarking framework is general and abstract and can cover all the above mentioned modalities. The structure of this paper is the following. In the next section we introduce the general watermarking framework and its basic properties. Section 3 ....

P.Bassia and I.Pitas. Robust audio watermarking in the time domain. In Proceedings of EUSIPCO'98, volume 1, pages 25--28, Rodos, Greece, September 1998.

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Bassia, P., Pitas, I., Nikolaidis, N.: Robust audio watermarking in the time domain. IEEE Transactions on Multimedia 3 (2001) 232--241

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P. Bassia and I. Pitas, `Robust audio watermarking in the time domain,' Proc. EUSIPCO 98, vol. 1, pp. 25--28, Rodos, Greece, Sept. 1998.

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P. Bassia, I. Pitas. "Robust audio watermarking in the time domain", IEEE Transactions on Multimedia, Vol.3, No 2., pp. 232-241, June 2001.

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P. Bassia, I. Pitas. "Robust audio watermarking in the time domain", IEEE Transactions on Multimedia, Vol.3, No 2., pp. 232-241, June 2001.

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P. Bassia, I. Pitas, and N. Nikolaidis,"Robust audio watermarking in the time domain", IEEE Transactions on Multimedia, Vol. 3, June 2001, pp. 232-241.

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P. Bassia and I. Pitas, "Robust audio watermarking in the time domain," Proc. EUSIPCO 98, vol. 1, pp. 25--28, Rodos, Greece, Sept. 1998.

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P. Bassia and I. Pitas, "Robust audio watermarking in the time domain," in Proc. European Signal Processing Conf. (EUSIPCO 98), Rhodes, Greece, Sept. 1998.

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P. Bassia and I. Pitas, "Robust audio watermarking in the time domain," in Signal processing IX, theories and applications: proceedings of Eusipco-98, Ninth European Signal Processing Conference, Rhodes, Greece, 8--11 September 1998, S. Theodoridis et al., eds., pp. 25--28, Typorama Editions, (Patras, Greece), 1998.

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P.Bassia and I.Pitas, "Robust Audio Watermarking in Time Domain", Proc. of the 9th European Signal Processing Conference, EUSIPCO-98, 8-11 Sep 1998.

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P. Bassia, and I. Pitas, "Robust audio watermarking in the time domain," EUSIPCO 98, Rhodes, Greece, Sept. 1998.

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I. Pitas and P. Bassia, "Robust audio watermarking in the time domain," EUSIPCO'98, pp. 25--28, 1998.

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I. Pitas and P. Bassia, "Robust audio watermarking in the time domain," in EUSIPCO'98, pp. 25 28, 1998.

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I. Pitas and P. Bassia, "Robust audio watermarking in the time domain," in EUSIPCO9$, pp. 25-28, 1998.

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