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Virtual Localization by Blind Persons - July 2012
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Effect of Spatial Location and Presentation Rate on the Reaction to Auditory Displays - July 2012
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Watermark-Aided Pre-Echo Reduction in Low Bit-Rate Audio Coding - June 2012
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Lock-In Voltmeter Capabilities for Very Low-Level Measurements
Synchronous detection techniques are used when the background noise disturbs the amplitude or phase measurements of AC low-level signals. The Lock-in Voltmeter is based on the correlation between the noisy signal and a reference free of noise; it allows to retrieve sinusoidal signals and displays magnitude and phase angle or real and imaginary components. The applications are the same as those of Voltmeters and Phasemeters, but for signals in extremely noisy environments.
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