Abstract
Audio oriented integrity protection should consider the characteristics of audio signals based on the combination of audio application scenarios. However, in the current popular network interaction environment, traditional verification based solutions can no longer work. A kind of integrity protection scheme for audio business should be redesigned in these new scenarios. In this context, a method of audio integrity protection based on relative phase (RP-AIP) is proposed. Through the design of integrity object (I.O.), the integrity of audio can be abstracted as the completeness and accuracy of it. The I.O. is bound to the audio signal in a uniformly and randomly embedded manner, and the embedding rules are controlled by the relative phase characteristic of the audio itself. The model and strategy of RP-AIP are illustrated, and the corresponding process and algorithm are demonstrated as well. Simulation experiments illustrate the feasibility of the proposed solution and indicate the superiority of its performance.
Highlights
The rapid development of digital multimedia and Internet technology has facilitated the interaction of various multimedia services based on images, videos, and audio
Due to real-time constraints of interaction scenarios, this kind of audio protection needs to reconsider some new characteristics, such as streaming characteristic, imperceptibility, self-detectability, and distortion tolerance, which are not covered by the traditional programs
A method of audio integrity protection based on relative phase (RP-AIP) is proposed in this work
Summary
The rapid development of digital multimedia and Internet technology has facilitated the interaction of various multimedia services based on images, videos, and audio. The issue of audio integrity protection for network interaction scenarios is rarely studied When it comes to this kind of audio class business, it has some special features, such as the following. Compared to static texts and images, the streaming media characteristic of audio determines that the media should always accompany the process of integrity protection. This is because our fundamental goal of audio integrity protection is to ensure the correctness and credibility of the audio information (e.g., the speaker’s intention), rather than the audio signal medium itself For these reasons, a new method of audio integrity protection based on relative phase (RP-AIP) is proposed in this paper, which is used for protecting audio from being maliciously cut or tampered and ensuring the audio information can be correctly conveyed.
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