Spatial signal conversion
AssigneeKoninklijke Philips Electronics N.V.
InventorGerard De Haan
Life of this patent
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Abstract
A spatial filter unit (200) for converting a first input signal (U) comprising input samples, into an output signal comprising output samples, is disclosed. The spatial filter unit (200) comprises: a coefficient-determining means (106) for determining a first filter coefficient; and an adaptive filtering means (104) for computing a first one of the output samples on basis of a first one of the input samples and the first filter coefficient. The coefficient-determining means (106) are arranged to determine the first filter coefficient on basis of a second input signal (Y) being correlated to the first input signal (U).
Claims15
A spatial filter unit for converting an input signal comprising input samples, into an output signal comprising output samples, the spatial filter unit comprising:
- coefficient-determining means for determining a first filter coefficient;
- and
- adaptive filtering means for computing a first one of the output samples on basis of a first one of the input samples and the first filter coefficient,
- characterized in that the coefficient-determining means determines the first filter coefficient on basis of a further input signal, said further input signal being correlated to the input signal, wherein said first input signal is a first signal type and the further input signal is a second signal type, said second signal type being different from said first signal type.
A method of converting an input signal comprising input samples, into an output signal comprising output samples, the method comprising:
- determining, using coefficient-determining means, a first filter coefficient;
- and
- computing, using adaptive filtering unit, a first one of the output samples on basis of a first one of the input samples and the first filter coefficient,
- characterized in that said step of determining the first filter coefficient is performed on the basis of a further input signal, said further input signal being correlated to the input signal, wherein said first input signal is a first signal type and the further input signal is a second signal type, said second signal type being different from said first signal type.
A computer-readable storage medium having stored thereon a computer program product to be loaded into a computer arrangement, said computer program product comprising instructions for causing the computer arrangement to convert an input signal comprising input samples, into an output signal comprising output samples, the computer arrangement comprising processing means and a memory, the computer program product, after being loaded, providing said processing means with the capability to carry out:
- determining a first filter coefficient;
- and
- computing a first one of the output samples on basis of a first one of the input samples and the first filter coefficient,
- characterized in that the determining of the first filter coefficient is on the basis of a further input signal, said further input signal being correlated to the input signal, wherein said first input signal is a first signal type and the further input signal is a second signal type, said second signal type being different from said first signal type.
Dependencies are inferred from the claim text.