68results about How to "Improve the radio effect" patented technology

The invention discloses a microphone control device and method. The microphone control device comprises an image inputting unit, a brake unit and a microprocessor. The microprocessor comprises an image detecting module and an adjusting module; the image detecting module is used for receiving scene images shot by the image inputting unit, detecting and distinguishing the scene images by adopting a face detection method, judging whether the face image of the user is included in the scene image, and detecting the mouth position of the user according to the dimensional proportion of the face image and the scene image; and the adjusting module is used for computing the height, distance and angle of the microphone to be adjusted according to the mouth position of the user and the preset position of the microphone, and generating a control signal according to the computed height, distance and angle so as to drive the brake unit to adjust the microphone to the mouth position of the user. By use of the invention, the microphone can extract the clearest voice of the user without being manually adjusted by the user so that the microphone can achieve the best voice reception effect in real time.

The invention provides a microphone control system and a microphone control method. The microphone control system comprises a microphone, a time of flight (TOF) camera, a brake unit, a memory and a processor. The microphone is connected with the brake unit, and the TOF camera, the brake unit and the memory are respectively connected with the processor. The TOF camera continuously shoots a scene in front of the microphone to obtain a scene image. The processor analyzes the scene image to detect a three-dimensional (3D) human-face area, when the microphone is adjusted to a best sound receiving position which is previously stored, a first ratio of the 3D human-face area in the scene image is used for determining a second ratio of a mouth-part position of the 3D human-face area and position information of the mouth-part position in the 3D human-face in the scene image, the brake unit is controlled to automatically adjust a distance between the microphone and the user and a height of the microphone and to adjust the microphone to a best sound receiving position so as to realize the best sound receiving effect.

The embodiment of the invention discloses a recording method based on double microphones, and a terminal. The method is applied to the terminal equipped with the double microphones. A first microphone is arranged at the bottom of the terminal. A second microphone is arranged on the top of the terminal. The method comprises the steps of detecting a screen state of the terminal; collecting first audio data and second audio data by use of the first microphone and the second microphone at the same time when the screen state of the terminal is a transverse screen; and superimposing the first audio data and the second audio data, thereby synthesizing the recorded audios. According to the method and the terminal, the recording quality of the device with the double microphones can be improved.

The invention discloses a method for controlling an electronic device, and the electronic device. The electronic device comprises a first voice acquisition device, wherein M application programs are installed on the electronic device, and M is an integer of greater than or equal to 1. The method comprises the following steps of: during the starting of a first application program in the M application programs, judging whether the first voice acquisition device needs to be started when the first application program is in a working state; generating a first control instruction if the first voice acquisition device needs to be started when the first application program is in the working state; controlling the first voice acquisition device to be in the working state by executing the first control instruction, so that the first voice acquisition device can acquire at least two voice information including first voice information and second voice information, wherein the first voice source of the first voice information and the second voice source of the second voice information are different.

A calling method and communication terminal, the method comprising: after a communication terminal receives a trigger operation in a special calling mode, the sound output device of the communication terminal is set to be in a sound output state; and a first sound receiving device in the communication terminal for receiving sound produced by a user is set as a secondary sound receiving device, and a second sound receiving device for reducing noise is set as a primary sound receiving device, the primary sound receiving device being used to receive the sound produced by the user, and the secondary sound receiving device being used to reduce noise.

The invention relates to a portable electronic device, which comprises an FM (Frequency Modulation) chip, an earphone interface, a charger interface and a data interface, wherein the FM chip is used for selectively receiving an FM signal and converting the FM signal into an audio signal; the earphone interface, the charger interface and the data interface are respectively used for accessing an earphone, a charger and a transmission wire into the portable electronic device; and the earphone interface, the charger interface and the data interface are respectively connected to the FM chip. The portable electronic device has the capabilities of receiving the FM signal by simultaneously taking one or more of the earphone, the charge and the transmitting wire as an antenna and transmitting the received signal to the FM chip through the earphone interface, the charger interface and the data interface.

The invention relates to the field of communication devices and discloses a terminal device. The terminal device comprises a housing, a sound guiding groove, a circuit board, an electronic member and a noise-reducing microphone, wherein the housing has an opening; the electronic member is connected to the circuit board and is placed at a position facing the opening; the noise-reducing microphone is fixed to the circuit board; and the sound guiding groove is communicated with the opening and the noise-reducing microphone. Compared with similar products in the prior art, the terminal device has a reduced number of openings, so that dust, moisture, particles or the like from outside are prevented from going into the terminal device. The terminal device further matches user demands.

The related sound head structure of a microphone comprises: a base with a circuit board, a speech process unit combined on former board, a top cover combined with the base, and one or composite throughout sound holes on side of the cover to reduce dust or other impurity in the head structure. This invention can enhance radio-receiving effect, and increases durability of the sound head.

The invention provides an interference prevention device of a vehicle-mounted system charging a mobile terminal. The vehicle-mounted system comprises a main control unit, a radio module, a sound processing unit, a decoding system and a power module; the main control unit is connected with the radio module, the sound processing unit and the decoding system and further connected with the control end of the mobile terminal, the sound processing unit is connected with the sound output end of the mobile terminal, the power output end of the power module is connected with a power output control circuit, and the charging power output end of the power output control circuit is connected with the charging power input end of the mobile terminal; an anti-interference circuit is connected between the charging power output end of the power output control circuit and the charging power input end of the mobile terminal. The interference prevention device has the advantages of restraining ripple interference, improving the radio effect and the sound quality output effect, restraining interference in radio sound output caused by high-frequency signals, preventing interference of electromagnetic radiation, and providing a large electric current for the mobile terminal.

The invention discloses a system and method for improving vehicle-mounted radio performance. The system comprises an MPU, a first turner unit and a second turner unit, wherein the first turner unit and the second turner unit are connected with the MPU. The MPU is used for storing system software and is a main control unit of the system, the first turner unit is used for receiving radio station signals and outputting audios, and the second tuner unit is used for background frequency band scanning and RDS signal receiving. Software in the MPU achieves the functions of radio station searching, RDS signal analysis and TMC signal analysis through the second tuner unit. According to the system for improving the vehicle-mounted radio performance, radio affairs are handled independently by adding a Turner chip, and the vehicle-mounted radio performance can be improved greatly. In addition, through the operation that the Turner chip is directly connected with the MPU, a digital processor is omitted, hardware cost is reduced, and meanwhile codes of digital interfaces are simplified.

The invention provides a collecting method and a collecting device for voice signals, and a terminal device, suitable for the technical field of signal processing. The method comprises the following steps: through an intelligent necklace carrying an audio picker, colleting voice data within the target range, wherein the intelligent necklace is positioned on the neck of a target object; detecting and separating user voice signals and environment noise signals in the voice data; acquiring a scene type matched with the environment noise signals, and loading an event triggering condition corresponding to the scene type; and if the real-time parameter information of the intelligent necklace satisfies the event triggering condition, uploading the user voice signals to a remote terminal in communication connection with the intelligent necklace, so that the remote terminal collects the user voice signals. With the technical scheme, the collecting effect for the voice signals is promoted, the full-time collecting for the voice signals is realized, and thus the recognition accuracy and collecting efficiency for the user voice signals are improved; and through the preprocessing for the voicedata, the effectiveness of the voice signals collected by the terminal device is improved.

The invention discloses a micropore waterproof front chamber and electret capacitive microphone assembling apparatus. The apparatus comprises an ABS housing, a dustproof cloth, waterproof epoxy glue, a waterproof airtight chamber and a glue sleeve, wherein the ABS housing is arranged at the periphery of the apparatus, the intermediate position of the upper end of the ABS housing is provided with a sound receiving hole, the ABS housing is internally provided with the dustproof cloth, a microphone, the waterproof airtight chamber and the glue sleeve, the microphone is connected with the lower portion of the dustproof cloth, the upper portion of the dustproof cloth is provided with the waterproof airtight chamber, and the periphery of the waterproof airtight chamber is provided with the glue sleeve. The apparatus can be applied to a sound receiving portion of a waterproof electronic device and has the following advantages: a waterproof airtight chamber structure is employed, sound does not have to pass through a conventional waterproof membrane, the effect at a waterproof state is good, and the sensitivity of the microphone and the all-frequency-range sound receiving effect of the microphone are good; and in a normal environment, the waterproof airtight camber is unlocked, and since there is no blocking of the waterproof membrane, the sound receiving effect is better.

The invention discloses an intelligent voice system for a smart classroom. The intelligent voice system comprises a power amplifier, a speaker connected with the power amplifier, and a pickup connected with the speaker, and an operating system for controlling the sound playing category of the speaker is further connected between the speaker and the pickup. The operating system comprises an operating module, a database and a voice recognition module. The operating module is used for inputting, establishing and receiving information; the database is used for receiving the information of the operating module, and storing and calling voice teaching materials; and the voice recognition module is used for recognizing the voice collected by the pickup, finding the target sound according to keywords and filtering the non-target sound. The sound of a teacher is collected through the pickup, the operating system for controlling the sound playing category of the speaker is adopted, the target sound is found through the keywords of the teacher, and the non-target sound is filtered; and during sound pickup, noise except the teacher teaching sound is removed, teaching music is selected to be played when needed, microphone teaching is not needed, intelligent reception and noise removing are achieved, and better teaching effects and experiences are obtained.

The invention discloses a vehicle-mounted navigator with high interference resistance. The vehicle-mounted navigator comprises a panel, a case and a navigation control circuit board arranged in the case, wherein the panel comprises a panel rack, a display screen and a multimedia control circuit board; the case comprises a top plate, a bottom plate, a back plate and two side plates; a clapboard is vertically arranged between the navigation control circuit board and the panel and is fixedly connected with the top plate, the bottom plate and the two side plates of the case. The signal interference in the navigator can be reduced, so that the navigation is accurate; furthermore, the vehicle-mounted navigator is high in radio signal receiving capacity.

The invention discloses a windproof microporous waterproof type electret condenser microphone. The windproof microporous waterproof type electret condenser microphone comprises a sound reception hole and an ABS case, wherein the sound reception hole is arranged at a middle part of an upper end of the ABS case; a Mylar film is arranged inside the ABS case and below the sound reception hole; a waterproof airtight chamber is arranged below the Mylar film; a lower end of the waterproof airtight chamber is connected with dustcloth; a lower end of the dustcloth is adhered with the microphone; the lower part of the microphone is sealed by waterproof epoxy glue; and a welding spot of the microphone is connected with a wire rod. The windproof microporous waterproof type electret condenser microphone provided by the invention has the advantages of being ventilate and waterproof; a waterproof airtight chamber structure is adopted, sound does not need to travel through a traditional waterproof membrane, so that the effect is good, the microphone sensitivity and microphone full-band sound reception effect are good under a waterproof state; besides, under a normal environment, the waterproof airtight chamber is unblocked, since no blocking of the waterproof membrane exists, the sound reception effect is more ideal, and the waterproof airtight chamber has a windproof effect, so that the application is more diversified and convenient.

A speaker unit with microphone is provided. The speaker unit includes a housing, a cover, a vibration element and a microphone. The cover is assembled to the housing and forms a chamber with the housing. The cover has at least one audio hole. The vibration element is disposed in the chamber for generating sound toward the cover. The microphone is fixed on the cover and outside the chamber.

The embodiment of the invention discloses an electronic device, comprising a body; a display unit which is arranged on the body and at least is equipped with a first mode and a second mode, wherein when the display unit is in the first mode, all parts on the display unit are located in the same plane, and when the display unit is in the second mode, at least two parts on the display are not located in the same plane; a sound collection unit group which at least comprises a first sound collection unit and a second sound collection unit, wherein the first sound collection unit is arranged at a first end of the body, and the second sound collection unit is arranged at a second end of the body adjacent to the first end; a control unit which is used for determining whether the display unit is in the first mode or the second mode, wherein, when the display unit is in the first mode, controlling the first sound collection unit to work, and when the display unit is in the second mode, controlling the second sound collection unit to work. The embodiment of the invention also discloses a method for controlling the electronic device.

The invention discloses a video sound and picture adjustment method, a terminal and a computer readable storage medium, and the method comprises the steps: obtaining a position coordinate corresponding to a user who currently transmits a voice signal when the user is monitored to be in a video chat; determining a video sound playing direction and a video picture display direction according to theposition coordinates; and adjusting video sound playing and video picture display according to the direction. The technical problem of poor sound receiving effect and playing effect caused by positionchange and unadjusted video sound playing and video picture display of a user during video chatting is solved, the video sound playing and the video picture display are adjusted through the directionof the user, and the sound receiving effect and the playing effect are improved.

A throat-vibration-type sensor (A) and a communication hands-free device (B). The interior of a box body (1) of the throat-vibration-type sensor (A) is only provided with a ceramic sheet (2) and a copper sheet (3), wherein the ceramic sheet (2) and the copper sheet (3) are electrically connected to an amplification circuit (4) for voice communications. It has the advantages that the volume and thickness are reduced, the costs are reduced, the assembly is easy, and the reception effect is increased. The throat-vibration-type sensor (A) can be combined with the communication hands-free device (B) which is provided with a control circuit board (5), a sound amplification device (6) and a battery unit (7), and the throat-vibration-type sensor (A) can be used for relieving the interference of external noise. Compared with a communication hands-free device of an air-type microphone, the communication hands-free device (B) combined with the throat-vibration-type sensor (A) can avoid being unable to identify a voice signal because of a wind shear sound caused by a high moving speed of a wearer, so as to improve the overall utilization efficiency of the communication hands-free device (B).

The invention discloses an Internet of Things networking cabinet with high heat dissipation capability, and belongs to the technical field of Internet of Things networking cabinets. The cabinet comprises a cabinet body and a driving motor; a side groove is formed in the side wall of the cabinet body, a heat dissipation net is fixedly installed in the side groove, a cabinet door is installed outside the cabinet body through a hinge, and a temperature sensor and a data transceiving module are arranged in the cabinet door. According to the invention, a heat dissipation assembly and a transmission assembly are installed in the cabinet, when the cabinet works, a driving motor is automatically started, a moving sleeve drives a threaded rotating sleeve at the upper end of the moving sleeve to move through a transmission linkage process, and the threaded rotating sleeve drives a transmission bevel gear to rotate because the threaded rotating sleeve is in threaded connection with a screw rod; the heat dissipation assembly is driven to rotate in the transmission process, the whole heat dissipation assembly can achieve the effect of rotating heat dissipation while moving, and compared with a traditional fixed heat dissipation structure, the heat dissipation design has the more effective and comprehensive heat dissipation effect.

The invention provides an urban environment noise monitoring device based on big data, and relates to the technical field of noise monitoring. The urban environmental noise monitoring device based on big data includes a base, a support rod is fixedly installed on the top of the base, and a collar is slidably connected to the periphery of the support rod, and a collar is connected between the periphery of the collar and the top of the base. A solar panel is slidably connected between them, a control box is fixedly connected to the front end of the support rod, a lifting rod is slidably connected to the inside of the support rod, and a display screen is fixedly connected to the front end of the lifting rod. This kind of urban environmental noise monitoring equipment based on big data can blow the hot air generated in the heat-generating pipeline into the protective cover by using the wind force, so that the inside of the radio device can be kept dry, thereby improving the radio effect of the radio microphone, while using the baffle and the channel The design of the hole prevents rainwater from entering the protective cover from causing damage to the radio microphone, and improves the service life of the radio device.

The invention discloses an intelligent table lamp microphone storage and use method. The equipment comprises a table lamp provided with a tablelamp bracket, a base and a lamp tube, a microphone, a cavity base and a fixing module, wherein the cavity base is arranged on the base, the fixing module is arranged on the microphone, the lamp tube and the cavity base are both provided with electromagnets, and a permanent magnet is arranged in the fixing module. The storage method comprises the following steps that the fixing module is connected with the cavity base, and the permanent magnet is in magnetic connection with an electromagnet of the cavity base; the electromagnet is powered on through one of a physical button, sound control and gesture sliding, and the fixing module pops out of the cavity base; and the fixing module is connected with the outer side edge of the lamp tube, and the permanent magnet is in magnetic connection with the electromagnet of the lamp tube. According to the invention, the sound receiving function of the intelligent table lamp is perfected, the microphone can be conveniently stored and used, the sound receiving effect is enhanced, and the user experience is improved.

The invention discloses an electronic product capable of attenuating microphone noise. The electronic product comprises a microphone and a shell, wherein the shell is provided with a plurality of sound inlet holes; one independent audio transmission channel is formed between each sound inlet hole and the microphone respectively; the length of each audio transmission channel is larger than a vertical distance between the microphone and the shell; the audio transmission channels construct a front cavity of the microphone together; the equivalent acoustic capacitance Ca of the front cavity is less than or equal to Co; and Co is acoustic capacitance being equivalent to the volume of the front cavity determined according to the requirements of the high frequency cut-off frequency of a microphone monomer and the application scenario of the electronic product on high frequency cut-off frequency. Through special design of the front cavity of the microphone, the noise protection performance ofthe electronic product is improved on the premise of ensuring high-frequency response performance of the microphone.

The invention provides urban environmental noise monitoring equipment based on big data, and relates to the technical field of noise monitoring. The urban environmental noise monitoring equipment based on big data comprises a base, wherein a supporting rod is fixedly installed at the top end of the base; a lantern ring is slidably connected to the periphery of the supporting rod; a solar panel isslidably connected between the periphery of the lantern ring and the top of the base; a control box is fixedly connected to the front end of the supporting rod; a lifting rod is slidably connected tothe inside of the supporting rod; and a display screen is fixedly connected to the front end of the lifting rod. According to the urban environmental noise monitoring device based on big data, hot gasgenerated in a heat generation pipeline can be blown into a protective cover by utilizing wind force, so that the inside of a sound receiving device is kept dry, and the sound receiving effect of a sound receiving microphone is improved; and due to the design of a baffle and a through hole, damage to the sound receiving microphone caused by rainwater entering the protective cover is avoided, andthe service life of the sound receiving device is prolonged.

The invention discloses a one-way sound-absorbing wall filling material, which belongs to the field of noise reduction and environmental protection. The one-way sound-absorbing wall filling material can be arranged by a plurality of conch-shaped two-way sound tubes, and the sound can be reduced from the inside to the outside. It is conducted from the thick end to the thin end, and the inner diameter of the thin end is larger, which can play a better sound amplification effect. At the same time, from the outside to the inside, the sound is conducted from the thin end to the thick end, so that the sound passes through many times. The inner wall of the thin end and the thick end is reflected to achieve an effective noise reduction effect. At the same time, with the function of the semi-sound insulation board, it can achieve the effect of different sound insulation between indoor and outdoor, thereby effectively improving the application range of this sound insulation material, so that people in the room can be protected from the outside world. At the same time as the noise is disturbed, people outside can detect the movement in the room in time, thereby improving the rest quality of people indoors, and at the same time reducing certain safety hazards.

A system for anti-jamming vehicle radio integrates all key RF components, comprises a PLL tuning module, an intermediate frequency amplifier, an intermediate frequency filter, a squelch module, a bandwidth control module and an automatic gain control module, and provides a good weak signal processing function, the bandwidth of the FM can be dynamically controlled when the FM is received, and the radio reception performance of the automobile in the process of high-speed driving and driving between mountains is improved. All functions of the radio are controlled by connecting the main control chip through the I2C bus, realizing the functions of automatic / manual channel searching and automatic / manual channel storage, etc. The system has the advantages of good stability, strong anti-jamming ability and good sound quality under the vehicle-mounted mobile receiving conditions.

The invention relates to an English-Chinese machine translation method based on a language knowledge base. The English-Chinese machine translation method comprises the following specific operation steps: step 1, respectively establishing a Chinese character language knowledge base and an English language knowledge base; 2, inputting an original text to be translated through an inputting module; 3, performing recognition processing translation on the input original text; and 4, translating Chinese and English by an output module. The input voice sound and the external noise are distinguished through the voice purifying module, the noise part is divided and picked up through the noise picking-up module according to the sound frequency, then the noise part is matched with the noise model base, the sound frequency matched with the noise model base is extracted, a noise signal is obtained, and at the moment, the noise signal is picked up and deleted independently. Language sound is optimized and amplified through the signal amplification module, the influence of external noise can be eliminated to the maximum extent, and it is guaranteed that the voice input effect is good.

The invention discloses communication equipment with a noise reduction device. The communication equipment comprises a communication equipment main body, a fixing base is fixedly installed on one side of the communication equipment main body, a placing groove is formed in the side, away from the communication equipment main body, of the fixing base, a sound amplification cover is fixedly installed on the side, away from the communication equipment main body, of the fixing base, and a cavity is formed in the fixing base. According to the communication equipment, the design is reasonable, the practicability is good, the position of a microphone can be lowered while an earphone wire is pulled out of a reel, the noise reduction earphone is plugged into an ear so that a user can listen to the speaking of the opposite side more clearly in a noisy environment, the user can conveniently and effectively receive sound by using the microphone when holding the communication equipment main body for speaking, the user can keep the communication equipment main body at a comfortable position for use, the communication equipment is suitable for being used in a noisy environment, the earphone wire can be conveniently wound, and the noise reduction earphone can be conveniently stored in the placing groove for storage and protection.

A speaker unit with microphone is provided. The speaker unit includes a housing, a cover, a vibration element and a microphone. The cover is assembled to the housing and forms a chamber with the housing. The cover has at least one audio hole. The vibration element is disposed in the chamber for generating sound toward the cover. The microphone is fixed on the cover and outside the chamber.