Abstract: The improved beamforming devices for communication systems operating in the mm-wave spectrum are particularly designed for antenna architectures consisting of antenna arrays, comprising multiple antenna array elements. The disclosed approaches comprise intelligent two stage searches, wherein information from the first stage is used in the second stage. This significantly reduces the computational complexity compared to the known approaches, with minimal loss in performance.

Abstract: The improved beamforming devices for communication systems operating in the mm-wave spectrum are particularly designed for antenna architectures consisting of antenna arrays, comprising multiple antenna array elements. The disclosed approaches comprise intelligent two stage searches, wherein information from the first stage is used in the second stage. This significantly reduces the computational complexity compared to the known approaches, with minimal loss in performance.

Abstract: An apparatus comprising circuitry configured to generate one or more focused sound sources as virtual loudspeakers of an announcement system.

Abstract: A loudspeaker system comprising a diaphragm (101) and an electrostatic foil (108) mounted on top of the diaphragm (101).

Abstract: To reduce processing load of an operation and to realize learning with higher accuracy. There is provided an information processing device including a learning unit that optimizes parameters that determine a dynamic range by an error back propagation and a stochastic gradient descent in a quantization function of a neural network in which the parameters that determine the dynamic range are arguments. There is provided an information processing method, by a processor, including optimizing parameters that determine a dynamic range by an error back propagation and a stochastic gradient descent in a quantization function of a neural network in which the parameters that determine the dynamic range are arguments.

Abstract: Provided is a sound source separation device that includes a combining unit that combines a first sound source separation signal of a predetermined sound source, the first sound source separation signal being separated from a mixed sound signal by a first sound source separation system, with a second sound source separation signal of the sound source, the second sound source separation signal being separated from the mixed sound signal by a second sound source separation system that differs in separation performance from the first sound source separation system in predetermined units of time, and that outputs a sound source separation signal obtained by the combination.

Abstract: An electronic device for a vehicle comprising circuitry configured to obtain information about a planned maneuver of the vehicle; and circuitry configured to determine the position and/or orientation of a sound field based on the information about the planned maneuver of the vehicle.

Abstract: An electronic device comprising circuitry configured to obtain an audio signal of a first passenger of a vehicle and to control a loudspeaker array to generate at least one virtual sound source that reproduces the audio signal obtained from the first passenger, the virtual sound source being provided for a second passenger.

Abstract: The improved beamforming devices for communication systems operating in the mm-wave spectrum are particularly designed for antenna architectures consisting of antenna arrays, comprising multiple antenna array elements. The disclosed approaches comprise intelligent two stage searches, wherein information from the first stage is used in the second stage. This significantly reduces the computational complexity compared to the known approaches, with minimal loss in performance.

Abstract: A device for room geometry analysis comprising: a plurality of segments (101-106) built of acoustic metamaterials, each segment (?, ?) acting as a waveguide with a unique transfer function (B(?, ?, ?)); and a processor configured to calculate delays (?(?, ?)) and respective directions (c(?, ?)) of mirror sound sources (721-725) by decomposing a sound signal (?) obtained from a microphone (110) based on the transfer functions (B(?, ?, ?)) of the segments (101-106) and based on a calibration signal (tsp(t)) emitted by a speaker (420).

Abstract: An apparatus comprising circuitry configured to generate artificial sound for an electric vehicle, the artificial sound being configured for being easily cancellable, reducible and/or modifiable.

Abstract: An electronic device has a display and a circuitry. The circuitry is configured to obtain location information of a specific item of multiple items located in an environment, wherein the location information of the specific item is obtained based on a correlation between location tracking information of electronic devices moving in the environment and item list data representing items of the multiple items being purchased by users of the electronic devices for which the location tracking information has been provided; and display an indication of the location of the specific item on the display.

Abstract: It is disclosed a method comprising obtaining a target spectrum, obtaining a set of non-target spectra, the set of non-target spectra comprising one or more non-target spectra, summing the target spectrum and the set of non-target spectra to obtain a mixture spectrum, and training an artificial neural network by using the mixture spectrum as input of the neural network and by using a spectrum which is based on the target spectrum as desired output of the artificial neural network.

Abstract: A method including decomposing a magnitude part of a signal spectrum of a mixture signal into spectral components, each spectral component including a frequency part and a time activation part; and clustering the spectral components to obtain one or more clusters of spectral components, wherein the clustering of the spectral components is computed in the time domain.

Abstract: A device for active noise control inside a vehicle, the device comprising a processor (7610) configured to determine a noise wavefield within the vehicle based on noise signals captured by a microphone array (M1-M10); determine the position of the ears of a passenger (P1) based on information obtained from a head tracking sensor (HTU1); capture a noise field inside the vehicle based on information obtained by the microphone array; obtain a noise level at the ears of the passenger (P1) from the noise field; and determine an anti-noise field based on the noise level at the position of the ears of the passenger.

Abstract: An apparatus comprising circuitry configured to generate one or more focused sound sources as virtual loudspeakers of an announcement system.

Abstract: In method the following is performed: receiving input audio content representing mixed audio sources; separating the mixed audio sources, thereby obtaining separated audio source signals and a residual signal; and generating output audio content by mixing the separated audio source signals and the residual signal.

Abstract: It is disclosed a method comprising obtaining a target spectrum, obtaining a set of non-target spectra, the set of non-target spectra comprising one or more non-target spectra, summing the target spectrum and the set of non-target spectra to obtain a mixture spectrum, and training an artificial neural network by using the mixture spectrum as input of the neural network and by using a spectrum which is based on the target spectrum as desired output of the artificial neural network.

Abstract: A loudspeaker system comprising a diaphragm (101) and an electrostatic foil (108) mounted on top of the diaphragm (101)

Abstract: A device for active noise control inside a vehicle, the device comprising a processor (7610) configured to determine a noise wavefield within the vehicle based on noise signals captured by a microphone array (M1-M10); determine the position of the ears of a passenger (P1) based on information obtained from a head tracking sensor (HTU1); capture a noise field inside the vehicle based on information obtained by the microphone array; obtain a noise level at the ears of the passenger (P1) from the noise field; and determine an anti-noise field based on the noise level at the position of the ears of the passenger.