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- W2026918955 abstract "Common least significant bit (LSB) relevant steganography methods in speech frames often base on bits evaluation by certain speech quality evaluation criterion and together with some coding and embedding strategies to enhance imperceptibility and efficiency. However, some embedding capabilities and security strategy are neglected. This paper proposes a state-based steganography method which fully investigates speech frame features in order to expand embedding capabilities and enhance steganography security. In the proposed method, embedding capabilities are measured by available numbers of states relative to current frame parameters rather than information bits. And secret information embedding procedure is performed by the chosen states mapped operations. This is a basic fine-grained steganography solution which is useful for other algorithms based on it. The experimental results have demonstrated that statebased method outperforms traditional LSB substitution in overall performance and introduces limited latency, which meets the realtime requirement in covert communications." @default.
- W2026918955 created "2016-06-24" @default.
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- W2026918955 date "2012-10-29" @default.
- W2026918955 modified "2023-09-24" @default.
- W2026918955 title "State-based steganography in low bit rate speech" @default.
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- W2026918955 doi "https://doi.org/10.1145/2393347.2396395" @default.
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