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Efficiently Synchronized Spread-Spectrum Audio Watermarking with Improved Psychoacoustic Model
Efficiently Synchronized Spread-Spectrum Audio Watermarking Psychoacoustic Model
2009/9/4
This paper presents an audio watermarking scheme which is based on an efficiently synchronized spread-spectrum technique and a new psychoacoustic model computed using the discrete wavelet packet trans...
Influence of Asymmetric Pulses in Spread Spectrum Systems
Asymmetric pulses Spread spectrum systems M-sequences Autocorrelation function
2010/12/8
This paper examines the impact of asymmetric pulses in NRZ waveforms generated by maximum-length sequences and used in spread spectrum systems. The data asymmetry phenomenon is produced by differentia...