In This Section
Perceptual Effects of Dynamic Range Compression in Popular Music Recordings - January 2014
Accurate Calculation of Radiation and Diffraction from Loudspeaker Enclosures at Low Frequency - June 2013
New Measurement Techniques for Portable Listening Devices: Technical Report - October 2013
AES Journal Forum
A Robust Audio Watermarking System for Acoustic Channels
Digital audio watermarking has become a popular technique in recent years to reduce illegal file sharing of music and to identify listener broadcast preferences. The added watermarking signal is made inaudible by exploiting the frequency and temporal masking effects of the human auditory system. Watermarking codes are embedded in the time-frequency domain using a sparse multicarrier approach. Because the watermarking is often decoded in an enclosed environment, it must be robust against such impairments as reverberation, microphone self-noise, movement, and interferences from extraneous sound sources. Subjective and objective testing showed that both robustness and inaudibility can be obtained.
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