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ICASSP
2011
IEEE
14 years 2 months ago
Simulating room impulse responses for spherical microphone arrays
A method is proposed for simulating the sound pressure signals on a spherical microphone array in a reverberant enclosure. The method employs spherical harmonic decomposition and ...
Daniel P. Jarrett, Emanuel A. P. Habets, Mark R. P...
ICASSP
2011
IEEE
14 years 2 months ago
Direct processing of mpeg audio using companding and BFP techniques
We present techniques for processing MPEG-audio encoded signals during the decoding process, using efficient fixed-point arithmetic operations. A large signal-to-quantization-no...
Christos Vezyrtzis, Aaron E. Klein, Dan Ellis, Yan...
ICASSP
2011
IEEE
14 years 2 months ago
Least squares approximation and polyphase decomposition for pipelining recursive filters
Current techniques used in pipelining recursive filters require significant hardware complexity. These techniques attempt to preserve the exact frequency response of the origina...
Aditya Gupta, Andrew C. Singer, Naresh R. Shanbhag
ICASSP
2011
IEEE
14 years 2 months ago
A passive coupling matrix design for improved resolution small aperture direction finding
In this paper, we present an approach to design passive coupling matrix to overcome the performance limitation of direction finding using small aperture array. This approach is i...
Guohua Wang, Joni Polili Lie, Chong Meng Samson Se...
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ICASSP
2011
IEEE
14 years 2 months ago
A multiwindow time-frequency approach based on the concepts of robust estimate theory
An approach to multiwindow time-frequency analysis that provides robust performance in noisy environment is proposed. The concept of robust estimates of instantaneous frequency is...
Irena Orovic, Nikola Zaric, Srdjan Stankovic, Moen...