501results about "Substation speech amplifiers" patented technology

A multi-functional module system for a mobile device includes a docketing station and housing attachable to the mobile device. The housing includes an integrated wireless charging coil, and a plug head integrally formed with or attached to the housing. The plug head establishes a direct electrical / data connection between the housing and a port of the mobile device. The charging coil aligns with and charges a wireless-enabled accessory placed adjacent to the housing. The docking station includes an electrical connection interface to transmit power and / or data between the housing, the mobile device and a removable electronic module (REM) connected to the docking station. At least one port of the housing transfers power / data between an external device plugged into the port and the housing and / or the mobile device and / or the connected REM. The docking station provides a docking interface between the REM and housing via a magnetic coupling.

A vehicle communication system facilitates hands-free interaction with a mobile device m a vehicle or elsewhere. Users interact with the system by speaking to it. The system processes text and processes commands. The system supports Bluetooth wireless technology for hands-free use. The system handles telephone calls, email, and SMS text messages. The user can customize the device via a user profile stored on an Internet web server.

A vehicle communication system facilitates hands-free interaction with a mobile device in a vehicle or elsewhere. Users interact with the system by speaking to it. The system processes text and processes commands. The system supports Bluetooth wireless technology for hands-free use. The system handles telephone calls, email, and SMS text messages. The user can customize the device via a user profile stored on an Internet web server.

The invention discloses a call recording method based on dynamic sampling rate adjustment and a Bluetooth earphone, and aims to improve the quality and stability of call recording in a wireless transmission environment. According to the method, uplink audio data and downlink audio data are collected at the same time through the Bluetooth headset, and the transmission rate of a downlink data packet is monitored in real time. When the rate is lower than the preset threshold value, the audio sampling rate is automatically reduced from 16 kHz to 8 kHz to adapt to bandwidth limitation, and recording interruption or tone quality reduction is avoided. The adjusted audio data is cached through a double-layer cache mechanism after being coded and compressed, the first cache temporarily stores the adjusted audio data, and the second cache manages data packets to be sent and retransmitted, so that the continuity and integrity of data transmission are ensured. The method is suitable for wireless audio equipment such as a Bluetooth earphone, and the reliability, adaptability and user experience of call recording are effectively improved.

A method performed by a first electronic device that is communicatively coupled to a wireless headset, the method includes, while engaged in a call with a second electronic device, communicating with the wireless headset via a bi-directional wireless audio connection; determining that a joint media playback session has been initiated in which the first and second electronic devices are to independently stream media content for separate playback by both of the first and second electronic devices while engaging in the call; and switching to communicate with the wireless headset via a uni-directional wireless audio connection based on a determination of one or more capabilities of the wireless headset, wherein a mix of 1) one or more signals associated with the call and 2) an audio signal of the media content is transmitted to the wireless headset over the uni-directional wireless audio connection.

An electronic device, while in wireless communication with a wireless accessory, and while displaying a system user interface, detects that the wireless accessory is charging, and in response to detecting that the wireless accessory is charging, displays a charging alert that indicates that the wireless accessory is charging.

A charging apparatus for a handheld electronic device includes a housing configured to removably attach to the handheld electronic device. The housing includes at least one electronic logic board, and an accessory station configured to store and charge at least one accessory item of the handheld electronic device. The electronic logic board includes a coil configured to wirelessly provide or accept power to and from the handheld electronic device. A software installed on the electronic logic board is configured to control a power transfer between at least two of the following: the accessory item, the accessory station, the housing, and the handheld electronic device. The housing includes a magnetic material configured to removably attach to a corresponding magnetic material of the handheld electronic device.

This application provides a wearable device management method, a related apparatus, and a communication system. The method may be applied to a wearable device that integrates a smartwatch and earphones. The smartwatch may be used as a control and management device of the earphones. A user may perform an operation on the smartwatch, to manage the smartwatch and the earphones. The user may further perform an operation on an electronic device connected to the smartwatch, to manage the smartwatch and the earphones. The foregoing method can improve use experience of the user using the wearable device, so that life convenience of the user can be improved through the wearable device.

Embodiments provide for a system and method that address challenges associated with audio routing of an incoming call between two devices operatively coupled via a short-range wireless connection. Ultrasonic watermark signals are generated and sent between the two devices. Detection and non-detection of the ultrasonic watermark signals controls the audio routing. The ultrasonic watermark signals can be modified based on a predetermined operational characteristic known only to the two devices for increased robustness to the system.

A power and data coupling system for a handheld electronic device includes accessory housing configured to operatively couple with the electronic device. An accessory station is integrated with the accessory housing to store and charge at least one accessory item of the electronic device. The housing includes at least one electronic logic board configured to provide or accept power or data to and from the handheld electronic device when the accessory housing is within an effective range of a power and data transfer component of the electronic device. A software installed on the electronic logic board is configured to control a power transfer between at least two of the following: the accessory housing, the accessory station, the at least one accessory item, and the handheld electronic device.

A communication device includes: a first adder that adds a reproduction sound to a communication sound of a remote utterer and outputs the communication sound additionally including the reproduction sound to a speaker; and an acoustic echo canceler that cancels, on the basis of the communication sound to serve as a reference signal, an echo component of the communication sound contained in an input signal acquired by a microphone configured to collect a sound in a vicinity.

The invention relates to a Bluetooth pair earphone and a method for connecting the Bluetooth pair earphone with intelligent equipment. Any one of the Bluetooth pair earphones is used as a master earphone, the other earphone is used as a slave earphone, and a first wireless link is arranged between the pair of earphones. Under the condition that the Bluetooth pair earphone needs to be connected with a single target intelligent device, the master earphone and the slave earphone negotiate through a first wireless link to determine a plurality of candidate intelligent devices which start a paging time slot and are sequenced according to priorities and can attempt to be connected; synchronously initiating paging of the first intelligent equipment with the highest priority by the master earphone and the slave earphone in the paging starting time slot; and under the condition that any one of the master earphone and the slave earphone successfully establishes the first Bluetooth connection with the first intelligent equipment, the first intelligent equipment is used as the single target intelligent equipment, and the other earphone stops paging the first intelligent equipment. According to the method provided by the invention, the probability of successfully reconnecting the pair of earphones to the intelligent equipment is higher, the reconnection speed is higher, and the user experience is better.

The present invention relates to a smartphone recorder. The smartphone recorder according to an embodiment of the present invention comprises: a case body comprising a front cover attachable to / detachable from the rear surface of a smartphone and a rear case which is coupled to the rear portion of the front cover and has an accommodation space therein; a magnet which attaches the front cover to the rear surface of the smartphone by using magnetism; an input unit which receives an input of speech information during making a call via the smartphone; and a recording portion which records the speech information input to the input unit.

A display device includes a display, a speaker; a communication interface; memory storing instructions; and at least one processor, wherein the instructions, when executed, cause the display device to determine whether an external audio device is connected via the communication interface; based on the external audio device not being connected, operate in a first mode that displays a first image corresponding to content and outputs, via the speaker, a first sound corresponding to the content; based on the external audio device being connected, operate in a second mode that displays the first image and outputs the first sound from the external audio device via the communication interface; and based on operating in the second mode, in response to receiving a first control signal to stop outputting the first sound, display the first image, stop outputting the first sound via the communication interface, and mute the first sound.

The disclosure herein provides a wearable personal wireless media station including a wearable base station and a wireless earbud. The wearable personal wireless media station may detect that the wireless earbud is docked to the wearable base station, play audio through a speaker of the wearable base station while the wireless earbud is docked to the wearable base station, detect that the wireless earbud is undocked from the wearable base station, cease to play sound through the speaker of the wearable base station in response to detecting that the wireless earbud is undocked from the wearable base station, and begin playing audio through the wireless earbud while the wireless earbud is undocked from the wearable base station.

A headset theme adaptation method is provided to automatically obtain related information such as a device model and a device identifier of a headset case protective cover through multi-end linkage between a mobile phone, a headset, the headset case protective cover, and a cloud server (for example, a server of a cloud theme market). A headset theme adapted to the protective cover is downloaded and applied based on the related information, to implement personalized experience of headset theme adaptation.

Embodiments of this application provide a Bluetooth connection method, a device, and a system, and relate to the field of wireless communications technologies, so that a Bluetooth headset can automatically switch, through a virtual connection, between audio services of a plurality of electronic devices for processing, and power consumption of the Bluetooth headset and the electronic devices can be reduced. The solution is as follows: A communications system includes a Bluetooth headset, and a first electronic device and a second electronic device that have been paired with the Bluetooth headset. The Bluetooth headset is configured to establish a first connection to the first electronic device, where the first connection includes an ACL connection.

A video headset comprises a left earphone assembly, a right earphone assembly, and a headband assembly having a headband frame. The headband frame comprises a left end portion movably coupled to the left earphone assembly and a right end portion movably coupled to the right earphone assembly. The headset comprises a video screen module connected to each earphone assembly via a boom module. The video screen module comprises video screens including a first video screen and a second video screen pivotally connected to a second video screen. The second video screen faces in an opposite direction from the first video screen. The headset enables to stream both audio and video data at the video screen module. The headset is further configured to connect with external devices and stream data from different external devices on different video screens. The headset has multiple cameras on the headset to enable 360 degree viewing.

An in-ear listening device having a device housing including a speaker housing and an elongated tube protruding away from the speaker housing, an audio port formed through the speaker housing, a speaker disposed in the speaker housing and aligned to emit sound through the audio port, a microphone port formed through the elongated tube, a microphone disposed in the elongated tube and operatively coupled to receive sound through the microphone port, a rechargeable battery and a wireless antenna disposed within the device housing, wireless circuitry coupled to the wireless antenna and configured to input and output radio frequency signals for wireless communications, a user-interface touch control disposed on the device housing and operable to control a function of the earbud, and battery charging circuitry coupled to the rechargeable battery and positioned within the device housing and operable to charge the rechargeable battery when coupled to receive power from an external power source.

A system and method for applying a low strength, low frequency magnetic field therapy to biological tissues. A coil is excited with a low frequency oscillating current, e.g., 10-1000 Hz. The coil is, e.g., 5-200 turns, having a diameter of 2-20 mm, and produces a magnetic field strength of about 0.01-5 mTelsa at a distance of 1 cm from the coil, or a cover over the coil, into the tissue. The current is preferably controlled by a smartphone or other programmable device controlled by a downloadable app in accordance with a PEMF program which may be separately downloaded or updated, and provided through an audio jack. Alternately, a digital interface and / or wireless interface may control the current. An app on the smartphone may be used to control the frequency, amplitude / envelope modulation, waveform, duration, etc. of the oscillation. The coil may be in mineral housing with a simple filter, and TRRS-type audio jack.

hands-free vehicle system - with a radio interface designed to connect at least one first mobile phone and one second mobile phone to the vehicle hands-free device, in particular in parallel or simultaneously, and - with a control device that is set up in such a way, - that mobile phone address book entries from the first mobile phone and mobile phone address book entries from the second mobile phone are transferred to the vehicle hands-free system via the radio interface, that a common vehicle hands-free system address book is generated based on the mobile phone address book entries of the first mobile phone and the mobile phone address book entries of the second mobile phone, - that, in addition to mobile phone address book entries, messages, calendar entries, tasks and / or notes are transferred from the mobile phones to the vehicle hands-free system via the radio interface, - that based on the transferred messages, calendar entries, tasks and / or notes, a shared message list, a shared calendar, a shared task list and / or a shared notes list is generated, and that, triggered by the user, a speaker device and a microphone device of the vehicle hands-free system are switched from a communication connection established via the first mobile phone to a communication connection established via the second mobile phone and vice versa.

The invention discloses a WeChat telephone answering switching method based on vehicle-mounted Bluetooth. The method comprises the following steps: respectively carrying out first matching on a mobile terminal and a vehicle-mounted terminal and carrying out second matching on the mobile terminal and a Bluetooth earphone; when the mobile terminal and the vehicle-mounted terminal are in first matching and the vehicle-mounted terminal obtains a first gesture instruction, obtaining a touch answer key position instruction and a switching matching instruction; and answering the WeChat call according to the touch answer key position instruction, switching the first matching to the second matching according to the switching matching instruction, and carrying out voice communication through the Bluetooth earphone. Under the condition that a vehicle owner normally drives the vehicle and looks at the screen without distracting, the vehicle owner can answer the WeChat call and switch to the Bluetooth earphone to answer the WeChat call by making a gesture on the vehicle-mounted screen, so that the potential safety hazard is greatly reduced, and the personal privacy is protected.

The present application discloses a method, electronic device, and storage medium for processing audio in a real-time call. The method includes: in response to the completion of initialization of a network receiving module and a sound card, discarding the audio buffered in the network receiving module; controlling the network receiving module to receive the user's audio and transmit the user's audio to an audio buffer; obtaining a preset length of the audio sample when the sound card periodically reads the audio buffer; and adaptively adjusting the length of the audio buffer based on the relationship between the preset length and the length of the audio sample in the current audio buffer, so that the sound card reads the audio sample from the audio buffer with the preset length. In this way, the present application can reduce the audio delay of real-time calls and improve the audio quality of real-time calls.

The invention belongs to the field of interphones, and provides a mobile phone auxiliary type intelligent interphone and an implementation method thereof, and the mobile phone auxiliary type intelligent interphone comprises a mobile phone end assembly which comprises a central processing unit, an audio processing chip, a first connection module, a loudspeaker and a microphone; the interphone end assembly comprises a main control chip, a wireless communication module, a second connection module and a power management module; a radio frequency transceiver chip is arranged in the wireless communication module, data transmission is carried out between the second connection module and the first connection module, and the audio processing chip adopts a CNN noise reduction model to process digital audio signals; according to the method, the digital audio signals are processed through the CNN noise reduction model, various complex background noises can be accurately identified and removed, clear voice signals can be restored, the voice definition and intelligibility are greatly improved, it is ensured that both communication parties can accurately transmit information in a noisy environment, and the user experience is improved. The problem of poor voice quality caused by noise interference in a traditional matching mode is effectively solved.

This application discloses a Bluetooth reconnection method, and relates to the field of short-range wireless communications technologies. The method includes: When a charging case is closed, a first earbud breaks a Bluetooth connection, where the first earbud stores a Bluetooth address of a terminal and a Bluetooth address of a second earbud. When the charging case is opened, the charging case accommodates only the first earbud, and a first preset condition is met, the first earbud sends a first paging request to the second earbud based on the Bluetooth address of the second earbud. The first preset condition is that the Bluetooth connection includes a Bluetooth connection between the first earbud and the second earbud. In this way, reconnection duration of the first earbud when the charging case is opened can be reduced.

Embodiments of this application provide a frequency response consistency calibration method and an electronic device, to solve a problem that when a screen sound production component of an electronic device plays a sound signal, a frequency response curve of the sound signal greatly fluctuates. The frequency response consistency calibration method includes: An electronic device plays a test audio signal. The electronic device stores a calibration parameter. The calibration parameter is a running parameter of an equalizer calibration module. The calibration parameter is determined based on a frequency response of a first audio signal and a standard frequency response of the test audio signal. The first audio signal is obtained by a calibration device by acquiring the test audio signal played by the electronic device. The calibration parameter is used to adjust, through the equalizer calibration module when the electronic device plays a second audio signal, a frequency response of the second audio signal played by the electronic device.

The embodiment of the present invention provides a method, device, call device and storage medium for adjusting call volume, wherein the method comprises: upon receiving a communication request for a first call device to establish a communication connection with a target call device, outputting a first audio of a target frequency in a target cable connecting a switch and the target call device; during the transmission of the first audio in the target cable, collecting the audio in the target cable to obtain a second audio; determining a volume gain level of the target call device based on a target amplitude of the second audio; and sending the volume gain level to the target call device to instruct the target call device to adjust the call volume between the target call device and the first call device according to the volume gain level. Through the present invention, the problem of low audio quality existing in the related art is solved, thereby achieving the effect of audio gain compensation.

A vehicle is provided that can mitigate the effects of high ambient noise levels. Using image data and / or other sensor data, the vehicle can determine when the convertible top is in use. The vehicle also determines when the ambient noise level inside the vehicle exceeds a predefined threshold. The vehicle then switches its operating mode to clearly receive and interpret audio input. The vehicle can activate a lip-reading mode and / or a gesture and facial expression recognition mode to identify words spoken by a user. The vehicle can also store mapping information between a gesture and a corresponding verbal command associated with the vehicle. In noisy environments, the vehicle may suggest using gestures / facial expressions instead of verbal commands.

There is disclosed a mobile terminal comprising a body; a display unit disposed on a front surface of the body and having elasticity; a vibration receiver attached to a rear surface of the display unit; a speaker having a higher output than the vibration receiver and configured to transmit sound to a distant location; and a controller configured to vibrate the display unit by driving the vibration receiver according to an audio signal.