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

The invention discloses a contextual model regulating method and device for intelligent household equipment. The method comprises the steps that audio information is acquired; if the fact that the audio information is determined to meet a triggering condition for performing model regulation is responded, the contextual model of the intelligent household equipment is regulated to a target contextual model corresponding to the audio information. According to the contextual model regulating method and device for the intelligent household equipment, the contextual model of the intelligent household equipment can be automatically regulated according to the audio information, manual control of a user is not needed, the contextual model regulation efficiency is improved, and convenience is brought to the user.

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 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 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 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 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.

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 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.