Abstract: A measurement method for measuring video latency induced by a piece of video playback equipment that is connected to a piece of decoder equipment having a photosensitive sensor incorporated therein, the method including the steps of: causing a screen of the video playback equipment to generate emitted light test signals; using the photosensitive sensor to acquire captured light signals including received light test signals resulting from the emitted light test signals being reflected on at least one surface of surroundings of the video playback equipment; acquiring measurement signals produced by the photosensitive sensor from the captured light signals, and analyzing the measurement signals in order to obtain a video latency measurement.

Abstract: A voice assistant includes an electronic processor unit connected to at least one microphone and to remote equipment. The electronic processor unit includes both single detection modules for detecting respective single keywords from an audio signal supplied by the microphone, and also a control unit connected to the single detection modules to select predetermined actions as a function of the detected keywords and to perform those actions. The control module is also arranged to detect whether actions are doable and to activate or deactivate the single detection modules as a function of the doability of the actions.

Abstract: A processor device for processing an incoming audio stream, the device including: a configuration element arranged to acquire input parameters having both first characteristics of the incoming audio stream and also second characteristics of the audio playback devices, and to produce configuration parameters on the basis of the input parameters; a master element arranged to define processing sequences from the configuration parameters, each processing sequence being associated with and adapted to a respective playback channel, to apply the processing sequences to the incoming audio stream so as to produce processed audio streams, each adapted to a respective one of the playback channels, and to transmit to each piece of equipment including an audio playback device the processed audio stream is adapted to the playback channel associated with the audio playback device.

Abstract: A method of managing an audio stream that is read by audio playback equipment in a manner that is synchronized on a reference clock is provided. The method includes the following steps implemented in said piece of audio playback equipment: receiving the audio stream, the audio stream being in the form of packets, each packet comprising a succession of audio samples associated with identification information characteristic of a timestamp of said packet; playing the audio samples contained in each packet and storing a time given by the reference clock that is characteristic of the moment at which a predetermined sample of at least one of the packets is played; and sending a message including correspondence information concerning the correspondence between the identification information characteristic of a timestamp of said packet and the time stored in the preceding step.

Abstract: A method of managing at least one audio playback equipment group including at least one piece of audio playback equipment is provided with a light-emitting identification interface. The method includes the steps of: using the light-emitting identification interface of the piece of audio playback equipment to display a light pattern characteristic at least of the group to which said piece of equipment belongs and/or characteristic of the role of the piece of equipment within said group in the event of at least one of the pieces of audio playback equipment being selected, and performing an action relating to the associated piece of audio playback equipment.

Abstract: A method for selecting portions of images from a video stream including a representation of a subject, the method including the steps of determining a first portion of an image including the subject, determining a target zoom factor among a plurality of zoom factors from the limits determined, a current zoom factor and at least one maximum image resolution and determining target coordinates of the first portion of an image reframed according to the target zoom factor determined and a maximum image resolution.

Abstract: Audio playback equipment includes a loudspeaker, a photosensitive sensor and a processing unit arranged to: acquire or estimate, by using at least one measurement produced by the photosensitive sensor, at least one light parameter representative of a light illuminating an environment of the audio playback equipment; select, according to the light parameter, current values of audio parameters; apply the current values of audio parameters on a primary audio signal (Sap) to produce a secondary audio signal (Sas); playback the secondary audio signal via the internal loudspeaker.

Abstract: A method for managing an audio stream read by an audio playback equipment unit, said unit being arranged in a given place, includes the steps of: detecting on at least one image, the user(s) present on the image and deducing from this, for each of said users, at least one piece of information characteristic of the position of the user in question in said image; determining at least from the different characteristic information, an optimal bearing angle (?opt); and providing mixing means distributing the audio stream between the different audio playback equipment of the unit, a magnitude characteristic of the optimal bearing angle, such that the mixing means distribute the audio stream at least according to said value.

Abstract: Electrical equipment includes a housing having a hole formed therein; a microphone positioned inside the housing and in the proximity of the hole; a loudspeaker; emitter means arranged to emit an emitted detection sound signal via the loudspeaker; and processor means arranged to acquire a received detection sound signal via the microphone, to detect in real time from the received detection sound signal whether a user's finger is or is not positioned on or in the immediate proximity of the hole, and if a finger is positioned on or in the immediate proximity of the hole to cause a predetermined action to be performed.

Abstract: A method of decoding an incoming audio/video stream received by a decoder box that is connected to audio playback equipment and to video playback equipment, the method comprising the steps of evaluating an audio latency and a video latency; if the audio (or respectively video) latency is greater than the video (or resp. audio) latency, testing a first condition to ensure that the time difference (?t_a, ?t_v) between the presentation time stamp of the audio (or resp. video) samples and the reference clock signal is sufficient, and if the first condition is satisfied, acting, when decoding the audio (or resp. video), to decrease the presentation time stamp of the audio (or resp. video) samples in order to advance playback of the audio (or resp. video) samples, thereby compensating at least in part the latency difference between the audio (or resp. video) latency and the video (or resp. audio) latency.

Abstract: Roaming equipment including: communication means (10) comprising a client module (14) and a repeater module (15) or an extender module, the communication means being configurable in a first mode in which the client module is activated and the repeater module or the extender module is deactivated, such that the roaming equipment is arranged to perform a client function, and in a second mode in which the client module is activated and the repeater module or the extender module is also activated, such that the roaming equipment is arranged to perform both the client function and a repeater function or an extender function; configuration means (16, 43, 44) arranged to configure the communication means in the first mode while the roaming equipment is not receiving the external supply of power, and in a second mode while the roaming equipment is receiving the external supply of power via the power supply base.

Abstract: A voice assistant includes an electronic processor unit connected to at least one microphone and to remote equipment. The electronic processor unit includes both single detection modules for detecting respective single keywords from an audio signal supplied by the microphone, and also a control unit connected to the single detection modules to select predetermined actions as a function of the detected keywords and to perform those actions. The control module is also arranged to detect whether actions are doable and to activate or deactivate the single detection modules as a function of the doability of the actions.

Abstract: Roaming equipment including: communication means (10) comprising a client module (14) and a repeater module (15) or an extender module, the communication means being configurable in a first mode in which the client module is activated and the repeater module or the extender module is deactivated, such that the roaming equipment is arranged to perform a client function, and in a second mode in which the client module is activated and the repeater module or the extender module is also activated, such that the roaming equipment is arranged to perform both the client function and a repeater function or an extender function; configuration means (16, 43, 44) arranged to configure the communication means in the first mode while the roaming equipment is not receiving the external supply of power, and in a second mode while the roaming equipment is receiving the external supply of power via the power supply base.

Abstract: A self-diagnosis method performed in audio playback equipment including an audio playback unit having at least one loudspeaker and an audio capture unit having at least one microphone includes the steps of acquiring or producing emission audio test signals and outputting them via the loudspeaker(s), thereby producing sound test signals; acquiring reception audio test signals produced by the microphone(s) as a result of the microphones receiving the sound test signals; and analyzing the reception audio test signals in order to establish a first diagnosis of the audio playback unit and a second diagnosis of the audio capture unit.

Abstract: A selection method is implemented in electronic equipment and includes steps consisting of: acquiring and memorizing, for each microphone of the equipment, a first reference audio signal produced by said microphone from a reception by the set of microphones of a first reference sound signal; analyzing the first reference audio signals to produce at least one directional parameter representative of a direction of arrival of the first reference sound signal; selecting, according to the directional parameters from among the set of microphones, the first microphones which make it possible to maximize an effectiveness of a first voice recognition method.

Abstract: A processor device for processing an incoming audio stream, the device including: a configuration element arranged to acquire input parameters having both first characteristics of the incoming audio stream and also second characteristics of the audio playback devices, and to produce configuration parameters on the basis of the input parameters; a master element arranged to define processing sequences from the configuration parameters, each processing sequence being associated with and adapted to a respective playback channel, to apply the processing sequences to the incoming audio stream so as to produce processed audio streams, each adapted to a respective one of the playback channels, and to transmit to each piece of equipment including an audio playback device the processed audio stream is adapted to the playback channel associated with the audio playback device.

Abstract: A method for changing service within a digital television decoder, the digital decoder including a plurality of tuners, each tuner being capable of receiving a stream of signals including data relating to television services, the method including configuring each tuner for receiving a particular service; restoring, on a screen, a first service corresponding to the service for the reception of which a first tuner has been configured; receiving, via the decoder, a first change of service command with a view to displaying a second service for the reception of which a second tuner has been configured; receiving, via the decoder, a second change of service command with a view to displaying a third service for the reception of which a third tuner has been configured; applying a forced delay before displaying the second service and/or the third service.

Abstract: A method including a device of an installation performing steps to determine whether an audio stream is played back in the installation by only one piece of audio playback equipment or by a group of at least two pieces of audio playback equipment (11a, 11b); if the device detects that the audio stream is played back by a single piece of audio playback equipment, then the device generates an order for said piece of equipment to apply a given set of equalization parameters; and if the device detects that the audio stream is played back by a group of at least two pieces of audio playback equipment, then the device determines the equalization parameters to be applied by each piece of audio playback equipment of said group, and generates a respective order for each piece of audio playback equipment of said group to apply a respective given set of equalization parameters.

Abstract: A method of managing an audio stream that is read by audio playback equipment in a manner that is synchronized on a reference clock is provided. The method includes the following steps implemented in said piece of audio playback equipment: receiving the audio stream, the audio stream being in the form of packets, each packet comprising a succession of audio samples associated with identification information characteristic of a timestamp of said packet; playing the audio samples contained in each packet and storing a time given by the reference clock that is characteristic of the moment at which a predetermined sample of at least one of the packets is played; and sending a message including correspondence information concerning the correspondence between the identification information characteristic of a timestamp of said packet and the time stored in the preceding step.

Abstract: A method of managing at least one audio playback equipment group including at least one piece of audio playback equipment is provided with a light-emitting identification interface. The method includes the steps of: using the light-emitting identification interface of the piece of audio playback equipment to display a light pattern characteristic at least of the group to which said piece of equipment belongs and/or characteristic of the role of the piece of equipment within said group in the event of at least one of the pieces of audio playback equipment being selected, and performing an action relating to the associated piece of audio playback equipment.