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Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
Published on: September 27, 2024
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Synchronization of Acoustic Signals for Steganographic Transmission
Jarosław Wojtuń1, Zbigniew Piotrowski1
1Faculty of Electronics, Military University of Technology, 00-908 Warsaw, Poland.
Sensors (Basel, Switzerland)
|June 2, 2021
Summary
This study introduces four novel synchronization mechanisms for speech steganography, enhancing data hiding effectiveness. These methods ensure reliable information retrieval in digital communication channels.
Area of Science:
- Computer Science
- Information Security
- Digital Signal Processing
Background:
- Steganography enables embedding secret data within cover media.
- Speech signals are a common medium for steganographic data embedding.
- Synchronization is a critical challenge in steganographic systems, affecting data integrity.
Purpose of the Study:
- To develop and evaluate novel synchronization mechanisms for speech steganography.
- To address the challenge of maintaining synchronization in steganographic communication.
- To assess the impact of new synchronization methods on signal quality and data transmission effectiveness.
Main Methods:
- Developed four new synchronization mechanisms for speech steganography.
- Three methods operate directly on the acoustic signal.
- One method analyzes the decoded steganographic data stream structure.
Main Results:
- Presented detailed research results on signal quality and synchronization effectiveness.
- Signal quality was evaluated using both objective and subjective measures.
- Confirmed the effectiveness of the developed synchronization methods in VHF radio links and VoIP channels.
Conclusions:
- The proposed synchronization mechanisms are effective for speech steganography.
- The methods ensure reliable data retrieval in challenging communication environments.
- This research contributes to more robust and secure steganographic systems.
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