A comparison of some audio watermarking methods

The variety of properties of different audio signals crucially affects the selection of suitable watermarking technology for satisfying the various requirements of copyright protection applications. However, comparison of audio watermarking methods has been widely ignored in the literature. In this paper, we compare the performance of three different audio watermarking methods: echo hiding, cepstrum domain, and patchwork algorithms. We investigate the no-attack situations, as well as cases when common signal processing or intentional attacks are imposed on the watermarked signal. By using modified parameters for these methods, we propose better results with respect to some previous research studies.