Objective
The basic acoustic echo cancellation scheme models the echo path with an adaptive filter. A linear FIR filter trained by ( a variant of ) LMS is the most popular choice for the implementation of an acoustic echo canceller. However, the large number of parameters to be updated may make the real time implementation of even this low-complexity scheme prohibitively slow. The aim of this project is the application of efficient, inherently stable, lattice-based adaptive IIR algorithms in the acoustic echo cancellation context and the investigation of their properties in under-modeled cases.
The update of a modest number of parameters, combined with the inherent stability of the normalized lattice filter, leads to reduced complexity and facilitates real-time implementation of these algorithms. Furthermore, the modular structure of the normalized lattice filter is perfectly suited to VLSI CORDIC implementation, leading to high processing rates and reliable numerical properties.
The investigation of the behaviour of these algorithms in undermodeled cases is very important from a System Identification point of view, since it will provide a priori bounds on their performance.
Fields of science (EuroSciVoc)
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
91011 Evry
France
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.