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- Title
High-Capacity Data-Hiding Scheme on Synthesized Pitches Using Amplitude Enhancement—A New Vision of Non-Blind Audio Steganography.
- Authors
Hung-Jr. Shiu; Bor-Shing Lin; Chia-Wei Cheng; Chien-Hung Huang; Chin-Laung Lei
- Abstract
This work proposes a new and non-blind steganographic scheme for synthesized pitches. Synthesized music is popularly used to demonstrate early versions of compositions conveniently and at low-cost. They can also be utilized to pass secrets or obtain digital rights. The method consists of two procedures, of which the first is the realistic simulation of synthesized pitches using a computer and the second is the hiding of secrets during the generated simulated pitches. The first part of this paper reviews attempts to discover the fundamental patterns of synthesized pitches and to develop a strategy for generating approximate pitches using a computer. The component frequencies are used to generate a pitch in which to hide secrets. Legal receivers receive the referenced composition and frequencies, enabling them to generate the synthesized pitches according to the main frequencies of the referenced composition. Finally, the generated and received pitches are compared to identify the secret bits. As more frequencies are used to hide secret bits, more secret bits can be embedded in the synthesized pitches. The use of more frequencies makes synthesized pitches more realistic compared to real ones. The performance of the proposed method is also compared with that of competing methods and under common attacks.
- Subjects
CRYPTOGRAPHY; DIGITAL rights management; SIMULATION methods &; models; COPYRIGHT of digital media; APPROXIMATION theory
- Publication
Symmetry (20738994), 2017, Vol 9, Issue 6, p92
- ISSN
2073-8994
- Publication type
Article
- DOI
10.3390/sym9060092