H04B3/00

Distributed audio system
09800972 · 2017-10-24 ·

Various embodiments manage a distributed audio system is disclosed. In one embodiment, an audio stream is received from each electronic device in a plurality of electronic devices. The audio stream is captured by at least one audio input module of the electronic device. Two or more of the audio streams are aggregated into a single audio stream. The single audio stream is outputted via at least one audio output module.

Wireless microphone locator light

An apparatus for identifying associated channel assignments for wireless microphones, the apparatus may include a wireless microphone configured to communicate with an audio mixing console. The microphone includes a processor and a display. The processor may be configured to receive a microphone identifier command including a channel indicator for indicating a mixing console channel and an illumination color corresponding to the channel indicator, determine whether the wireless microphone is associated with the mixing console channel. The processor may be further configured to illuminate, in response to the wireless microphone being associated with the mixing console channel, the display according to the illumination color.

Device and method for biometric authentication
09792420 · 2017-10-17 · ·

A biometric authentication device includes: a storage unit to store a first enrolled template and first information including a parameter representing an input environment of the first enrolled template; a receiving unit to receive biometric information from the terminal device, a second enrolled template stored in the terminal device, and second information including a parameter representing an input environment of the second enrolled template; an authentication unit to perform authentication by matching the received biometric information and the first enrolled template; a selecting unit to select the first enrolled template or the second enrolled template, based on the first and second information, when the biometric information is accepted; and an updating unit to update the first enrolled template stored in the storage unit to the second enrolled template when the second enrolled template is selected.

Audio processing device and method and electro-acoustic converting device and method

The present invention relates to an audio processing device and method, and an electro-acoustic converting device and method. The audio processing device comprises: a first receiving module, configured to receive a first audio signal; a second receiving module, configured to receive a second audio signal; an audio synthesizing module, configured to synthesize the first audio signal and the second audio signal to obtain a third audio signal; and an audio outputting module, configured to output the third audio signal. According to the present invention, when enjoying songs or music or learning languages by using an audio processing device or an audio playing device, a user is capable of hearing his or her own voice while singing or reading, which greatly improves the effects of self-entertainment and language learning.

Methods, systems, and apparatus for the monitoring, controlling, and communicating of electronic devices
09793952 · 2017-10-17 · ·

Methods, systems, and apparatus for monitoring and controlling electronic devices through the use of wired and wireless protocols. The systems and apparatuses may monitor their environment for signals from electronic devices. They may then take and disambiguate the signals that are received from the devices in their environment in order to identify said devices and associate control signals with them. The systems and apparatuses may then use communication means to send control signals to the identified electronic devices. Input and output transmission means for the systems and apparatuses may include, but are not limited to, powerline communication, Wi-Fi, Bluetooth, ZigBee, and 6LoWPAN. Signal processing and device identification may be done onboard the device, or may be done at a remote location. Multiple apparatuses or systems may be connected together into networks, including mesh networks, in order to make for a more robust architecture.

Antenna diversity implementation for wireless locks

An electronic lock system including an access control device configured to provide system instructions, an interface module electrically coupled to the access control device and configured to transmit RF signals in response to system instructions received from the access control device, and a plurality of wireless electronic door locks each configured to wirelessly communicate with the interface module. Each of the wireless electronic door locks includes a controller and a wireless receiver operatively connected to the controller, the wireless receiver including a first antenna defined as a circuit board trace and a second antenna, spaced from the first antenna and defined as a circuit board trace. Each of the first antenna and the second antenna include one of a monopole antenna and a fractal antenna. The controller is configured to switch between the first antenna and the second antenna to receive a wireless signal having a greater signal strength.

Integrated audio amplification circuit with multi-functional external terminals
09787267 · 2017-10-10 · ·

The present invention relates in one aspect to an audio amplification circuit comprising an input terminal for receipt of an input signal from a transducer. A signal processor is operatively coupled to the input terminal for receipt and processing of the input signal to generate a processed digital audio signal in accordance with a programmable configuration setting of the signal processor. A serial data transmission interface is configured for receipt of the processed digital audio signal and supply of a corresponding digital audio stream at an output terminal of the integrated audio amplification circuit. A serial data receipt interface is operatively coupled to an externally accessible configuration terminal of the integrated audio amplification circuit and a controller is configured to adjust one of the programmable configuration setting of the signal processor and a format of a digital audio stream in accordance with first configuration data received through the serial data receipt interface. The controller is in a first state is responsive to a logic state of the externally accessible configuration terminal to control the format of the digital audio stream or the programmable configuration setting. In a second state, the controller is configured for receipt and reading of the first configuration data through the externally accessible configuration terminal and the serial data receipt interface.

Methods and systems for skew tolerance in and advanced detectors for vector signaling codes for chip-to-chip communication

Advanced detectors for vector signaling codes are disclosed which utilize multi-input comparators, generalized on-level slicing, reference generation based on maximum swing, and reference generation based on recent values. Vector signaling codes communicate information as groups of symbols which, when transmitted over multiple communications channels, may be received as mixed sets of symbols from different transmission groups due to propagation time variations between channels. Systems and methods are disclosed which compensate receivers and transmitters for these effects and/or utilize codes having increased immunity to such variations, and circuits are described that efficiently implement their component functions.

Methods and systems for skew tolerance in and advanced detectors for vector signaling codes for chip-to-chip communication

Advanced detectors for vector signaling codes are disclosed which utilize multi-input comparators, generalized on-level slicing, reference generation based on maximum swing, and reference generation based on recent values. Vector signaling codes communicate information as groups of symbols which, when transmitted over multiple communications channels, may be received as mixed sets of symbols from different transmission groups due to propagation time variations between channels. Systems and methods are disclosed which compensate receivers and transmitters for these effects and/or utilize codes having increased immunity to such variations, and circuits are described that efficiently implement their component functions.

Addressable electrical outlets

Smart Appliances are defined that assist in reducing energy consumption or cost. The Smart Appliances communicate with Smart Energy sources via the power lines and in particular by injecting communications signals between the live plus neutral power lines on the one hand and the ground line on the other hand, the communications protocol allowing a power source to identify the electrical circuit to which an appliance is connected and thereby to route a selected type of power to the appliance on the correct electrical circuit for that appliance. An addressable electrical outlet is also disclosed as one form of Smart Appliance.