A CELP-Speech Information Hiding Algorithm Based on Vector Quantization


This paper presents a speech information-hiding scheme that is integrated with the CELP (Coded Exited Linear Prediction) speech coding method. The G.729 codec (CS-ACELP) is used to test the efficiency of this scheme. The index-constrained method is applied for the secret information embedding. The selected bits of first-stage and residual vector indices… (More)
DOI: 10.1109/IAS.2009.60


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