21results about "Broadcast system receiving" patented technology

The invention relates to a wireless broadcast connection system and method and a method for automatically configuring an emergency alarm area. The system comprises a wireless broadcast receiving device and an intelligent terminal, the wireless broadcast receiving device is configured to be used for receiving broadcast signals and wirelessly transmitting broadcast audio streams to the intelligent terminal, and the wireless broadcast receiving device comprises a broadcast receiving processing unit, a wireless communication module and a digital signal processing unit. The digital signal processing unit is connected with the broadcast receiving and processing unit and the wireless communication module, and is used for encoding the digital audio signal into an audio stream in a compressed format and carrying out transmission buffer management on the audio stream; wherein the digital signal processing unit is provided with a self-adaptive transmission control module, and the self-adaptive transmission control module has a bidirectional communication capability and is used for receiving a playing buffer area state feedback signal from the intelligent terminal and dynamically adjusting the transmission rate of sending the compressed audio stream to the intelligent terminal according to the feedback signal; therefore, synchronous control of buffer areas of a sending end and a receiving end is realized.

System for a real-time radio receiver network, wherein the system comprises: a remote digital antenna digital receiver (“RDADR”) with a processor; a first remote digital antenna (“RDA”) comprising a processor, at least one receiver and at least one antenna; a second RDA with a processor, at least one receiver and at least one antenna, an audio source that is coupled to the transmitter; and an audio output device coupled with the RDADR, where the RDADR, the first RDA and the second RDA are coupled to each other via a digital bus, wherein the first RDA and the second RDA attempt to receive one or more digital signals from a transmitter, and if the one or more digital signals are received without error by the first RDA or the second RDA, the RDA that has received the one or more error-free digital signals transmits the one or more error-free digital signals via the digital bus to the RDADR, where the audio source generates one or more digital signals, and where the audio source is at least a microphone or a musical instrument.

Aspects of the present invention relate to an outdoor emergency broadcasting device, an outdoor emergency broadcasting system, and a computer-implemented outdoor emergency broadcasting method. The outdoor emergency broadcasting device comprises: one or more speakers configured to provide an audible emergency message; a wireless receiver configured to receive an emergency alert from an external device; a controller; one or more batteries for providing power to the one or more speakers, wireless receiver and controller; and a device housing substantially enclosing the controller and the one or more batteries; wherein the controller is configured to: receive, from the external device via the wireless receiver, the emergency alert; determine audio output data in dependence on receiving the emergency alert; and transmit the audio output data to the one or more speakers for providing the audible emergency message.

The utility model discloses a novel vehicle-mounted Bluetooth radio for an electric vehicle, which comprises a mounting frame, two positioning frames are fixedly connected to the inner side wall of the mounting frame, a mounting plate is arranged in front of the mounting frame, a Bluetooth radio body is fixedly connected to the back surface of the mounting plate, and two T-shaped sliding grooves are formed in the back surface of the mounting plate. Through the arrangement of the mounting frame, the positioning frame, the mounting plate, the Bluetooth radio body, the T-shaped sliding groove, the fixing plate, the conical spiral sliding groove, the positioning block and the positioning hook, the conical spiral sliding groove is in sliding connection with the positioning block through the sliding connection of the sliding rod and the T-shaped sliding groove and the resilience force of the telescopic spring, and the positioning hook is matched with the positioning frame. The diameter value of the inner ring of the mounting frame is smaller than the diameter value of the outer ring of the mounting plate, so that the Bluetooth radio body and the mounting frame can be conveniently and quickly mounted, the Bluetooth radio body and the mounting frame can be conveniently dismounted, and the efficiency of replacing the Bluetooth radio body in the later period is greatly improved.

The utility model discloses a broadcast prompt system which comprises a broadcast console, a networked power amplifier module, a broadcast loudspeaker and a wearable intelligent device. The broadcast console is used for sending audio signals, the network audio decoding module with the MCU chip generates superaudio signals when receiving the audio signals, the superaudio signals and the audio signals are mixed and output to the post-stage power amplifier module, and the post-stage power amplifier module amplifies the received signals and then sends the signals to the broadcast loudspeaker for playing. The pickup microphone of the wearable intelligent device carries out pickup on environmental audio, and when superaudio signals are detected to exist in the environment, the controller controls the vibration module to vibrate, so that broadcast alarm prompt is carried out on personnel in a tactile mode, dependence on the vision of the personnel is not needed, and the working efficiency is improved. The defect that the mode of receiving the alarm prompt depending on vision is limited by the installation position of the indicator lamp is avoided, and the technical problem that broadcast alarm prompt equipment adopted in an existing broadcast system is not high in reliability is solved.

One embodiment of the present disclosure provides a wireless audio output device for outputting audio content, comprising: an audio output unit; a communication unit for receiving audio broadcast signals; and a processor for generating a broadcast channel list including one or more output candidate channels from among received broadcast channels corresponding to the audio broadcast signals, outputting the broadcast channel list through the audio output unit, selecting one output channel from the broadcast channel list on the basis of a user input, and outputting audio content corresponding to the output channel through the audio output unit.

The utility model provides a kind of sound mixing device of bluetooth FM radio function, including signal input unit, sound mixing processing unit, front-stage amplification unit, filter circuit unit, rear-stage power amplification unit, audio playback unit;At least one signal input unit input digital audio signal is mixed sound after being handled by sound mixing processing unit, amplifies by front-stage amplification unit, then is filtered by filter circuit unit, amplifies by rear-stage power amplification unit after entering audio playback unit and plays;The input unit includes bluetooth receiving module, digital FM radio unit and at least one microphone.The utility model uses digitization, high intelligentization, integrated chip, product volume is small, electrical performance is good.

The invention provides a program playing method, system and device of a vehicle-mounted radio and a medium, and belongs to the technical field of radios, and the program playing method comprises the following steps: starting a second tuner to search a radio station in response to a radio station search request of a user side received in the process of playing a first program by a first tuner; and keeping the first tuner to play the first program in the radio station searching process of the second tuner. According to the invention, the listening of the program is not interrupted when the user searches the radio station, and the listening experience of the vehicle-mounted digital radio can be effectively prevented from being reduced due to long-time search waiting of the user.

The utility model relates to wireless early warning broadcast technical field, concretely relates to a wireless early warning broadcast equipment with protection structure, its core includes connecting screw cylinder and inside fixed insulating metal clamping piece, is used for clamping wire conductor to guarantee conduction, two groups of protection screw cylinders are installed through the thread outside connecting screw cylinder, and the sealing washer of screwing place is pressed to form axial seal, the front end of protection screw cylinder is fixed and sets up the insertion cylinder, and the adjacent position coaxially fixed outer screw clamping cylinder, its outside assembly locking screw cylinder, wire outer sheath inserts insertion cylinder and extends to the annular gap of insertion cylinder and outer screw clamping cylinder, and the locking screw cylinder is driven outer screw clamping cylinder radial elastic contraction clamping sheath, the utility model constructs the anti -tension frame through metal thread engagement, and sealing washer blocks axial invasion, and elastic clamping eliminates radial gap, and the persistent sealing of connecting point is realized, and the anti -tension reinforcement and non -destructive dismounting are strengthened, and the leakage and fracture defects of outdoor wire joint are radically cured.

The present disclosure relates to a broadcast receiving apparatus. The broadcast receiving apparatus according to an embodiment of the present disclosure includes an impedance matching circuit configured to adjust an input impedance value of the broadcast receiving apparatus; and a controller, wherein, the controller controls the impedance matching circuit so that the input impedance value is adjusted to a certain reference impedance value, when a mode of the broadcast receiving apparatus is a mode of receiving a broadcast signal through a cable, and controls the impedance matching circuit so that the input impedance value is adjusted to be less than the certain reference impedance value, when the mode of the broadcast receiving apparatus is not the mode of receiving the broadcast signal through the cable. Accordingly, it is possible to appropriately amplify a broadcast signal while satisfying a reference related to return loss, thereby reducing network management cost of a network operator and providing a broadcast image of better quality to a user. In addition, various embodiments are possible.

A development environment device comprises a software-defined radio that processes data from a target device and a device control unit that controls the operation of the target device based on an output from the software-defined radio. The software-defined radio is configured to decode data corresponding to an output signal from the tuner, transmitted by the device environment over the communication network, and to output the decoded data to the device control unit. The device control unit is configured to determine, based on the data transmission rate in the communication network, whether the output of data corresponding to an output signal from at least one of the multiple tuners should be stopped, and if it is determined that the output of data corresponding to an output signal from at least one of the multiple tuners should be stopped, to send a stop command to the device environment.

The utility model discloses an intelligent radio with a clock display screen, and relates to the technical field of radios. The radio comprises a radio body, an LED nixie tube display screen for displaying time is fixed at the side end of the radio body, a nickel-metal hydride battery electrically connected with the LED nixie tube display screen is arranged in the radio body, and a charging port for charging the nickel-metal hydride battery is arranged in the radio body; furthermore, in order to save resources, a containing groove is formed in the top end of the radio body, a photovoltaic panel used for charging the nickel-metal hydride battery is fixed in the containing groove, the photovoltaic panel is electrically connected with the nickel-metal hydride battery, and a cover plate used for protecting the photovoltaic panel is rotationally arranged in the containing groove; through the design of the positioning assembly and the extrusion assembly, the cover plate can be stably fixed in the containing groove, a user can conveniently open the cover plate by pressing the pressing plate on the handle, and operation is easy and convenient.

An outdoor emergency broadcasting device 300 comprises: one or more speakers 304 to provide an audible emergency message; wireless receiver 302 to receive an emergency alert from an external device; a

The utility model relates to the technical field of emergency radios, and discloses an emergency radio with a lighting structure, which comprises a radio main body, a solar panel is arranged in the radio main body, the back of the radio main body is rotatably connected with a hand-cranking power generation handle, and an interface is arranged in the radio main body. A storage assembly is arranged in the radio main body, an illumination assembly is arranged on the upper surface of the radio main body, the storage assembly comprises a collection box, the side wall of the collection box is slidably connected to the interior of the radio main body, a fixing hook is fixedly connected to the lower surface of the collection box, and a mounting block is fixedly connected to the interior of the radio main body. According to the utility model, the collection box is arranged in the radio main body, so that emergency articles or tools can be conveniently stored in the radio main body, the collection box is extruded, the push rod extrudes the sliding block to rotate the rotating strip, so that the clamping hook is separated from the fixed hook, the collection box is conveniently removed to take the articles, and the practicability of the equipment is improved through the structure.

The invention relates to the technical field of vehicle-mounted electronic equipment, in particular to a DAB digital radio and host synchronous starting method, device and equipment, a storage medium and a computer program product. According to the method, when a whole vehicle is powered on, power is supplied to a DAB digital radio and a host at the same time, and the DAB digital radio is set to be in a standby state; when a vehicle ACC power-on signal is received, a CAN signal is provided for the host to trigger the host to start; when the host is started, a Vbus electric signal is sent out, and the Vbus electric signal is transmitted to the DAB digital radio through a preset data connecting line; and the DAB digital radio is controlled to be synchronously started after receiving the Vbus electric signal, so that the stability of the broadcasting function of the DAB digital radio is improved.

The utility model discloses an emergency broadcast signal receiving device comprising a signal receiving unit, the bottom of the signal receiving unit is connected with a first rotation adjusting unit, the bottom of the first rotation adjusting unit is connected with a second rotation unit, and the bottom of the second rotation unit is connected with a cylinder telescoping unit. The bottom of the air cylinder telescopic unit is connected with a clamping unit. The emergency broadcast signal receiving device provided by the utility model solves the problem that a traditional signal receiver in the prior art cannot be flexibly adjusted.

The invention discloses a three-tuner multi-mode cooperative control method, a radio system and an automobile, the method is applied to a multi-system radio system, the multi-system radio system comprises a first tuner, a second tuner and a third tuner, the first tuner is a special DAB tuner, the second tuner is an FM / AM tuner, and the third tuner is an FM / AM tuner. The third tuner is a multi-standard scanning tuner; the method comprises the following steps: dynamically allocating working modes of a first tuner, a second tuner and a third tuner based on a playing system scene; and controlling the first tuner, the second tuner and the third tuner to work cooperatively based on a time slice rotation strategy. Playing and searching of DAB and FM / AM can be achieved through the three tuners, and the area of a radio chip and the hardware cost are reduced. Moreover, the first tuner, the second tuner and the third tuner are controlled to work cooperatively based on a round-robin strategy, so that time division multiplexing of the three is realized, and the idle period is shortened.

An electronic device may include an interface unit, and a processor for storing information related to a plurality of broadcast channels that can be received through the interface unit, receiving a user input for selecting a channel number, identifying, on the basis of the stored information related to the plurality of broadcast channels, a broadcast standard corresponding to the selected channel number if a broadcast signal of a channel corresponding to the channel number selected according to the user input is not received, processing the frequency band of the broadcast signal corresponding to the selected channel number according to the identified broadcast standard, and controlling so that the stored information related to the plurality of broadcast channels is updated according to a processing result.

The invention relates to the technical field of radio broadcasting, in particular to a radio broadcasting signal receiving device which comprises a receiver and a protection box, an interface is arranged on the back face of the receiver, a receiving antenna is installed on the back face of the receiver, and a wire arrangement structure is arranged on the top of the receiver. The receiver is arranged at the top of the protection box, a storage groove is formed in the top of the protection box, a second sliding groove is formed in the bottom of the storage groove, a rotating handle is rotationally connected to the surface of the protection box, and a worm is fixedly connected to the surface of the rotating handle. According to the invention, the line arrangement structure is arranged, lines are separated from each other through the line arrangement groove, mutual winding interference of the lines is avoided, the line arrangement plate is rotated to the top of the receiver when not in use, the occupied space is reduced, storage is convenient, the protection box is arranged, impact force acts on the protection box when the receiver is collided, and direct collision between the receiver and the outside is avoided.

The invention discloses a vehicle-mounted radio receiving system, and belongs to the technical field of radio receiving systems. A radio chip in the radio receiver is directly connected with the antenna, namely the radio chip is arranged close to the antenna, so that radio signals can be demodulated nearby, the transmission distance of the radio signals is reduced, and meanwhile, the radio receiver can be far away from an interference source (a switching power supply) in the domain controller. A digital audio signal demodulated by the radio chip is packed by the first Serdes chip and then transmitted to the domain controller, the digital audio signal is unpacked and restored to the digital audio signal by the second Serdes chip in the domain controller, and then the digital audio signal is processed by the digital signal processing unit and the sound driving unit, so that the attenuation distortion of the radio signal in the transmission process can be reduced, and the transmission efficiency of the radio signal is improved. And the anti-interference capability of wireless signals is improved.