Abstract: A method of processing audio signals acquired by at least one microphone to locate a sound source in a space having a wall. The method includes applying a time-frequency transform to the acquired signals and expressing a general complex velocity vector with a real part and an imaginary part in the frequency domain. The vector has a denominator with a component other than an omnidirectional component and characterizes a composition between: a first acoustic path, direct between the source and the microphone, represented by a first vector, and a second acoustic path resulting from a reflection on the wall and represented by a second vector. The second path has a delay relative to the direct path. A direction of the direct path, a distance from the source to the microphone, and/or a distance from the source to the wall is determined as a function of the delay and the vectors.

Abstract: Processing sound signals acquired by a microphone, for example an ambisonic type, to locate a sound source in a space including at least one wall. A time-frequency transform is applied to the acquired signals, and, from the acquired signals, a velocity vector, complex with real and imaginary parts, is expressed in the frequency domain, wherein the velocity vector characterizes a composition between: a first acoustic path, direct between the source and the microphone, represented by a first vector; and a second acoustic path resulting from a reflection on the wall and represented by a second vector. The second path has a first delay with respect to the direct path. Depending on the first delay and the first and second vectors, a parameter is determined from among a direction of the direct path, a distance from the source to the microphone, and a distance from the source to said wall.

Abstract: A method of processing audio signals acquired by at least one microphone to locate a sound source in a space having a wall. The method includes applying a time-frequency transform to the acquired signals and expressing a general complex velocity vector with a real part and an imaginary part in the frequency domain. The vector has a denominator with a component other than an omnidirectional component and characterizes a composition between: a first acoustic path, direct between the source and the microphone, represented by a first vector, and a second acoustic path resulting from a reflection on the wall and represented by a second vector. The second path has a delay relative to the direct path. A direction of the direct path, a distance from the source to the microphone, and/or a distance from the source to the wall is determined as a function of the delay and the vectors.

Abstract: Processing sound signals acquired by a microphone, for example an ambisonic type, to locate a sound source in a space including at least one wall. A time-frequency transform is applied to the acquired signals, and, from the acquired signals, a velocity vector, complex with real and imaginary parts, is expressed in the frequency domain, wherein the velocity vector characterizes a composition between: a first acoustic path, direct between the source and the microphone, represented by a first vector; and a second acoustic path resulting from a reflection on the wall and represented by a second vector. The second path has a first delay with respect to the direct path. Depending on the first delay and the first and second vectors, a parameter is determined from among a direction of the direct path, a distance from the source to the microphone, and a distance from the source to said wall.

Abstract: An interface module between a communication module and a number of instances of business logic modules of a software engine comprises first and second functional elements. The first functional element receives incoming data from the communications module and selects which of the instances of business logic modules to forward the incoming data based upon a rule set held within a data structure at the first functional element. The incoming data passes to the selected logic module instance via the second functional element. The second functional element determines either a single shot or a multiple shot mode of operation. If a multiple shot mode of operation is selected incoming data passes to the selected logic module instance sequentially. Alternatively, if a single shot mode of operation is selected a summary data record corresponding summary of incoming data received at the first function element passes to the selected logic module instance.