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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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General Purpose Direct Form 1 IIR Filter Structure for Digital Audio Applications
The DF1 IIR filter structure is the most common structure employed in audio applications. A limiting factor associated with the DF1 structure is the non-linear distribution of the pole/zero locations in the 'z' domain after coefficient quantization. This paper proposes the application of dither to double precision coefficients which permits double precision performance to be achieved with single precision arithmetic. This realization provides a versatile wide band DF1 realization suitable for most audio applications.
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