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36results about How to "Adjust the volume" patented technology
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Conference room intelligent control method based on voice recognition
InactiveCN103064379AHigh degree of intelligenceAdjust the volumeSpeech recognitionProgramme total factory controlRS-485Digital mixing console
Owner:INFORMATION & COMM COMPANY OF STATE GRID HEILONGJIANG ELECTRIC POWER COMPANY +1
Virtual engine sound system for vehicle and method for controlling the system
InactiveCN104670081AAdjust the volumeAchieve securityAcoustic signal devicesPedestrian/occupant safety arrangementSound sourcesNoise level
Owner:HYUNDAI MOTOR CO LTD
Touch method, electronic device and storage medium
PendingCN107678674AIn various waysRealize functional reuseDigital data processing detailsSubstation equipmentKey pressingHuman–computer interaction
Embodiments of the invention provide a touch method, an electronic device and a storage medium. In order to realize diversity of electronic device control modes, touch operation of a user can be obtained; and when a touch point of the touch operation belongs to a first display region, an operation instruction is determined based on a pressure parameter of the touch operation and a touch parameterof the touch operation. Through the touch method, the touch operation can be performed for different operation objects in a same display region; the function reuse for the same display region is realized; and for example, the control operation on the electronic device by pressing physical keys (such as startup and shutdown keys) can be replaced with the touch operation on a display screen, so thatthe diversity of the electronic device control modes is realized.
Owner:LENOVO (BEIJING) CO LTD
Touch controlled key module
InactiveCN101064222AReduce in quantityEasy to operateInput/output for user-computer interactionElectronic switchingComputer moduleEngineering
A type of touching-control key-press module is set on shell of hand-hold device, it includes several key-press pieces which are set by the side shell, several vertical protruding columns are set at the bottom; at least one touching-control inducing pieces are embedded on surface of the key-press pieces, when fingers slide on the touching-control inducing pieces, touching-control adjusting signal is generated; a circuit board is set below said key-press pieces, a touching-control circuit and several key-press switches are set on circuit board, the touching-control circuit is connected with the touching-control inducing pieces via a group of connecting lines to receive the touching-control adjusting signal, these key-press switches are configured under these vertical protruding columns, when any key-press piece is pressed, the vertical protruding column touches the key-press switch to activate the function of key-press.
Owner:米迪亚系统科技股份有限公司
Non-contact audio equipment volume controller and control method thereof
The invention provides a non-contact audio equipment volume controller and a control method thereof. The non-contact audio equipment volume controller comprises: an electronic volume control chip, a front end circuit and a follow-up circuit. The non-contact audio equipment volume controller also comprises: a photoelectric sensor and control module possessing at least two infrared sensors; a single chip microcomputer, which is used to receive a photoelectric sensor and control module signal, determine an infrared signal sequence received by the at least two infrared sensors and output a control coding signal. Ports of outputting two channel control coding signals of the single chip microcomputer are respectively connected with a SDA port and a SCL port of the electronic volume control chip. During a regulation and control process, a user can only move one part of the body in a control scope of to the infrared sensors of the audio playback equipment to adjust the volume. Therefore, the user who is inconvenient to operate can use the audio playback equipment conveniently.
Owner:武汉艾立卡电子有限公司
Communication device with automatic playback volume control function and method thereof
InactiveCN102761641AAdjust the volumeVolume dynamic adjustmentSubstation speech amplifiersComputer hardwareCommunication device
The invention discloses a communication device with an automatic playback volume control function and a method thereof. The communication device comprises at least two microphones, at least one megaphone and a processor, wherein the at least two microphones are used for receiving the voice of at least one user; the processor is used for judging at least one distance between the at least one user and the communication device according to the voice of the at least one user, which is received by the at least two microphones, and adjusting the volume of the at least one megaphone according to the at least one distance. Therefore, the volume of the megaphone can be dynamically adjusted according to the at least one distance between the at least one user and the communication device.
Owner:ACER INC
System and method for volume adjustment of communicator, and communicator
InactiveCN104683547AIntensity adjustmentAdjust the volumeTwo-way loud-speaking telephone systemsSubstation speech amplifiersCommunication unitSubject matter
The disclosed subject matter provides a communications device, a volume adjusting system and method. The communications device includes a loudspeaker, a microphone, and a communication unit. The communications device communicates with other communications devices via the communication unit. The communications device detects a first sound intensity of sound signals collected by the microphone, and detects a second sound intensity of sound signals received by the communication unit from the other communications devices. The communications device further adjusts the sound signals received by the communication unit according to a comparison result of the first sound intensity and the second sound intensity, and outputs the adjusted sound signals via the loudspeaker.
Owner:FU TAI HUA IND SHENZHEN +1
Volume adjusting method and intelligent device
ActiveCN106060255AAdjustable sizeAdjust the volumeCurrent supply arrangementsSubstation equipmentComputer scienceSmart device
Owner:YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
Electronic device and volume control system and method thereof
InactiveCN101630945AAdjust the volumeAvoid adjustmentManually-operated gain controlVolume compression/expansion in digital/coded amplifiersControl systemSignal extraction
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
Traditional Chinese medicine composition for conditioning vital energy and blood and preparation method of traditional Chinese medicine composition
ActiveCN104257813AYijing and aphrodisiacGood for nourishing the kidney and clearing the liverPowder deliverySexual disorderCynomorium songaricumCodonopsis pilosula
The invention relates to a traditional Chinese medicine composition for conditioning vital energy and blood and a preparation method of the traditional Chinese medicine composition. The traditional Chinese medicine composition is prepared from the following Chinese medicinal raw materials: ardisia punctata lindl, fructus rosae laevigatae, cynomorium songaricum, morinda officinalis, ligusticum wallichii, fructus broussonetiae, root of common peony and codonopsis pilosula. The traditional Chinese medicine composition disclosed by the invention has the effects of tonifying qi and promoting blood circulation, and replenishing vital essence and tonifying yang, and has a good rehabilitation effect on women patients with lumbar muscle degeneration, soreness and weakness of waist and knees, and irregular menstruation caused by deficiency of qi and blood.
Owner:张立
A content pushing method and a system based on speech recognition
InactiveCN109040211AImprove experienceImprove efficiencySpeech analysisTransmissionSpeech identificationDeep level
The invention provides a content pushing method and a system based on speech recognition. The method comprises the following steps: acquiring the voice information of a user and recognizing the characteristics of the user; and pushing the content to the user according to the characteristics of the user. The system includes: a speech acquisition module, a speech recognition module and a push module. The method of the invention avoids the steps of touching and clicking the screen with both hands of the user, reduces the user-defined setting for entering deeper operation, can recognize the gender, age range and mood of the user according to the voice, and intelligently pushes and adjusts the appropriate content and switches the use mode.
Owner:GREE ELECTRIC APPLIANCES INC
A data processing method and apparatus
PendingCN109271126AImprove experienceAdjust the volumeSound input/outputAudio frequencyData processing
The invention discloses a data processing method. The method comprises the following steps: comparing the collected first audio data with the second audio data in an audio library for audio characteristics; marking an audio attribute of a third audio data in the first audio data that reaches a preset threshold value according to an alignment result; adjusting a volume of a target audio attribute in the audio attribute according to a tag result. At the same time, the present application also discloses a data processing apparatus.
Owner:LENOVO (BEIJING) CO LTD
Method and device for controlling prompt tone playing, and movable carrier
ActiveCN111361499AReduce security threatsImprove securityAcoustic signal devicesElectric/fluid circuitNoiseEngineering
The embodiment of the invention provides a method and a device for controlling prompt tone playing, and a movable carrier. The method and the device are applied to the movable carrier. The movable carrier comprises a voice prompt device used for playing low-speed driving prompt tone. The method comprises the following steps: from multiple speed ranges, confirming the specific speed range to whichthe driving speed of the movable carrier belongs; and adjusting the low-speed driving prompt tone played by the sound prompt device according to the specific speed range. According to the technical scheme of the embodiment of the invention, the volume of the prompt tone of low-speed driving can be adjusted at least according to multiple speed ranges of low-speed driving, and the driving safety ofthe low-noise movable carrier is improved.
Owner:新石器智邺(安阳)智能科技有限公司
CD/MD/MP3/IPOD transducer
InactiveCN1770311AReasonable structureImprove the sound effectRecord information storageRecording signal processingPatch panelMagnetic tape
The invention discloses a converter for converting high-quality audio signals of CD / MD / MP3 / IPOD players to cassette tape recorder and other analog recorders. The inventive converter comprises cassette magnetic tape shell, magnetic head device, rotation gear and signal input components with earphone wire; wherein the magnetic head device being placed on contact point between shell and cassette; the magnetic head device being connected with signal input components and the rotation gear being placed on matching site of the shell and the cassette take-up spool axial. The converter is characterized in that on the earphone line being serially connected a private line controller, which comprises: line controller shell, patching panel and switch, wherein the patching panel being placed in the shell of line controller and the switch being installed on the shell of line controller.
Owner:浙江联龙电子电器有限公司
Adjustable distortion mouthpiece of saxophone
The invention discloses an adjustable distortion mouthpiece of a saxophone. The adjustable distortion mouthpiece comprises a mouthpiece body (1), wherein the mouthpiece body (1) is connected with a reed positioning mechanism, and the mouthpiece body (1) is provided with an inner cavity (17); the adjustable distortion mouthpiece is characterized in that the inner cavity (17) of the mouthpiece bodyis internally provided with a movable mounting seat (11), the mounting seat (11) is hinged with a toning piece (14), one end of the toning piece (14) abuts against the inner wall of the mouthpiece body, and the toning piece (14) can be driven to swing along with the movement of the mounting seat (11). The adjustable distortion mouthpiece of the saxophone has the advantages that the structure is simple, the operation is convenient, the tone and volume of the mouthpiece of the saxophone can be synchronously adjusted, and the practicability and the user experience can be further improved.
Owner:遵义中立精工制造有限公司
Advertisement display rack capable of intelligently interacting
ActiveCN222190183UImprove interactivityadjust the volumeStands/trestlesAudible advertisingcomputer scienceMechanical engineering
The utility model discloses an advertisement display rack capable of intelligent interaction, which belongs to the technical field of advertisement display racks and comprises a frame body, a rotating mechanism is arranged at the top of the frame body, a playing component is arranged on one side of the frame body, and a supporting component is arranged on one side of the frame body. A user can start an infrared sensor, when pedestrians stop to observe advertisements, the infrared sensor can capture actions of the pedestrians, and when the pedestrians deviate, the infrared sensor can transmit signals to a servo motor, so that the servo motor is started and drives a rotating column and a placing frame to rotate, the advertisements face the pedestrians all the time, and interactivity between the advertisements and the pedestrians is improved; by arranging the playing assembly, in the using process, the supporting plate can support the sound sensor, the player can play the content of the advertisement in the containing frame, and the sound sensor can detect the sound of the surrounding environment and correspondingly adjust the advertisement display volume.
Owner:XIAMEN FEIGONGKAI IND & TRADE CO LTD
Fire rescue identification lamp
PendingCN110838212AFree from damageEasy to operateClosed circuit television systemsTwo-way working systemsTransport engineeringElectric power
The invention relates to a fire rescue identification lamp which comprises a base, a shell, a warning device and a switch. The shell is arranged on the base, an adhesion device is arranged on a lowerportion of the base, an electric power storage device is installed on an upper portion of the base, the warning device is arranged on the shell, the electric power storage device is electrically connected with the warning device, and the switch is in control connection with the electric power storage device. The fire rescue identification lamp has an identification guiding effect, when a firefighter enters a strange environment for rescue and cannot see a surrounding situation clearly due to a large amount of smoke, rescue can be conveniently explored, fire rescue personnel can conveniently withdraw, the fire rescue identification lamp is convenient to use by the firefighter, and the fire rescue identification lamp has the advantages of being simple in structure, easy to manufacture and operate and the like.
Owner:ZHENGZHOU YONGWEI TECH TRADE
System and method for adjusting system volume through sliding in sidebar region with finger
The invention discloses a system and a method for adjusting a system volume through sliding in a sidebar region with a finger. The system comprises a touch receiving module, a data calculation module and an execution module, wherein the touch receiving module mainly completes a human-computer interaction function, acquires a touch coordinate point of the finger of a user from the system, saves a coordinate value of first touch and sends all coordinate data to the data calculation module; the data calculation module receives the coordinate point transmitted by the touch receiving module, calculates the relative sliding distance of the finger of the user, calculates a target volume value according to a value and scene data sent by a data observation module and the system volume sent by a volume observation module and sends the target volume value to the execution module; and the execution module sets the system volume according to the target volume value transmitted by the data calculation module, including data setting of a specified scene. Through the system and the method, the sliding speed and distance of the user can be controlled freely to quickly adjust the volume, and operation is convenient.
Owner:SHANGHAI JIACHE INFORMATION TECH CO LTD
An audio processing method and related device based on Bluetooth speaker interconnection
ActiveCN119071694BInternet security and stabilityGood sound experienceSound input/outputLoudspeaker signals distributionComputer hardwareBluetooth
The present invention discloses an audio processing method and related device based on the interconnection of Bluetooth speakers, and relates to the technical field of equipment communication. The method comprises: obtaining the comprehensive score of each Bluetooth speaker based on its performance test data to determine the master Bluetooth speaker; searching for slave Bluetooth speakers, sending a pairing request instruction to the slave Bluetooth speakers, generating an authentication key and sending it to the master Bluetooth speaker; authenticating the authentication key, and if the authentication is successful, sending a connection data packet to the slave Bluetooth speakers to form a Bluetooth speaker interconnection team system; calculating the power spectrum density function and the environmental coordination score of the audio to be transmitted to adjust the audio; establishing an audio transmission channel, and transmitting the adjusted audio to be transmitted to the system for playback based on the audio transmission channel; detecting the average real-time signal strength of several microphones connected to the system, and calculating the target average distance in combination with the attenuation factor to adjust the volume of the audio playback. The present invention enables the audio playback processing of the Bluetooth speaker to achieve a more ideal effect.
Owner:DONGGUAN JINWENHUA DIGITAL TECHNOLOGY CO LTD
Button structure and electronic device with the button structure
ActiveCN104576132BAdjust the volumeImprove operating experienceElectric switchesTelephone set constructionsKey pressingEngineering
The invention provides a button structure, which is applied to an electronic device, wherein the button structure comprises a button, a first switch and a second switch; the button is slidably arranged on the electronic device; the first switch is arranged in the electronic device and is located under the button, wherein the button is pressed to trigger the first switch, and the first switch generates a trigger signal to control the on-off state of the electronic device; and the second switch is arranged in the electronic device and is connected with the button, wherein the button drives the second switch to move, and the second switch is turned on and generates a pulse signal to adjust the volume of the electronic device. The invention further provides an electronic device. The button structure only needs one button to simultaneously adjust the volume of the electronic device and control the on / off operation of the electronic device, so that the structure is simple, the operation is convenient, the cost of materials is reduced, and the operation experience of users is increased.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Self-adaptive vehicle horn volume control method, device and system
ActiveCN113207067ASimple structureRealize automatic controlElectrical transducersSignal processingMagnet coilAdaptive control
The invention discloses a self-adaptive vehicle horn volume control device which comprises a diaphragm assembly, an armature piece, an outer shell, an electromagnetic coil and an adjusting resistor, the adjusting resistor comprises an annular frame, a plurality of resistors and a moving plate, the annular frame is provided with a plurality of contact holes and matching grooves, and the invention further discloses a system of the self-adaptive vehicle horn volume control device. The system comprises a control module, a sound receiving module, a setting module and an object confirmation module, the invention further discloses a method of the self-adaptive vehicle horn volume control device, the system of the self-adaptive vehicle horn volume control device is included, and the method further comprises the following steps that the object confirmation module is started; if the object exists, the control module is started to reduce the volume of the horn; if the object does not exist, the sound receiving module is started, on the basis of the prior art, by improving the horn structure, adjustment of the volume is achieved, the method is improved, and then self-adaption of the volume of the horn can be achieved.
Owner:江苏集结号机车科技有限公司
A method, device and removable carrier for controlling the play of prompt tone
ActiveCN111361499BReduce security threatsJudgment speedAcoustic signal devicesElectric/fluid circuitNoiseVocal cues
The embodiment of the present application provides a method, device and movable carrier for controlling the play of the prompt sound, which is applied to the movable carrier, and the movable carrier includes a sound prompt device for playing the prompt sound of low-speed driving, and the method is applied to A movable carrier, the movable carrier includes an audio prompt device for playing a low-speed driving prompt sound, and the method includes: confirming the specific speed range to which the traveling speed of the movable carrier belongs from a plurality of speed ranges; The low-speed driving prompt sound played by the sound prompt device is adjusted according to the specific speed range. Through the technical solutions of the embodiments of the present application, at least the volume of the prompt sound for low-speed driving can be adjusted according to multiple speed ranges of low-speed driving, and the safety of the low-noise movable carrier can be improved.
Owner:新石器智邺(安阳)智能科技有限公司
Method, device and system for adaptively controlling vehicle horn volume
ActiveCN113207067BSimple structureRealize automatic controlElectrical transducersSignal processingControl engineeringVehicle horn
The invention discloses a device for adaptively controlling vehicle horn volume, which includes a diaphragm assembly, an armature piece, an outer shell, an electromagnetic coil and an adjusting resistor. The adjusting resistor includes an annular frame provided with a plurality of contact holes and matching grooves, a plurality of resistors and a dynamic It also discloses a system for adaptively controlling the vehicle horn volume device as described above, including a control module, a sound receiving module, a setting module and an object confirmation module, and also discloses a system for adaptively controlling the vehicle horn volume device as described above The method includes the system for adaptively controlling the vehicle horn volume device, and further includes the following steps: starting the object confirmation module; if there is an object, then starting the control module to reduce the horn volume; if there is no object, then starting the sound receiving module. On the basis of technology, by improving the structure of the speaker, the volume can be adjusted, and the method is improved, so that the volume of the speaker can be self-adapted.
Owner:江苏集结号机车科技有限公司
Terminal controller for a smart pension platform
InactiveCN106357290AEasy to carryAdjustable lengthProgramme controlComputer controlCommunication effectsEngineering
The invention provides a terminal controller for a smart pension platform, which comprises a strap, a main body of the terminal controller, a ladder lock, a flashing warning lamp, an upper mounting plate, a cloth belt, a lower mounting plate, and a telescopic antenna. The lower end of the strap is connected to the main body of the terminal controller, the ladder lock is installed on the strap, and the strap connects left and right sides of the main body of the terminal controller through a spindle. The flashing warning lamp is installed on the upper end face of the main body of the terminal controller, the lower end of the upper mounting plate is fixed with the cloth belt, and the lower end of the cloth belt is fixed on the lower mounting plate. The rear end of the main body of the terminal controller is provided with a gap, and the telescopic antenna is connected to the main body of the terminal controller through a spindle. The terminal controller is easy to use, operate and carry, improves communication effects, and provides real-time monitoring information, good stability and high reliability.
Owner:ZHONGSHAN HOUYUAN ELECTRONICS TECH CO LTD
Hearing aid capable of rotatably adjusting volume and volume adjusting method
The invention is applicable to the technical field of hearing assistance. The invention provides a hearing aid capable of rotatably adjusting volume and a volume adjusting method. The hearing aid comprises an earphone. The earphone comprises a housing. An MCU and a potentiometer are arranged in the shell. The shell is provided with a knob fixing shell. The knob fixing shell is sleeved with a knobrotating shaft, the rotating shaft is provided with a cross-shaped protrusion. The cross-shaped protrusion is rotationally connected with a volume adjuster. The volume adjuster comprises a rotating part and a fixing part. The rotating part is connected with the cross-shaped protrusion in a matched mode. The fixing part is provided with a welding spot. One end of the welding spot is electrically connected with the potentiometer, and the other end of the welding spot is electrically connected with the rotating part. When the volume adjusting device is used, the knob is rotated, the knob drives the rotating part to rotate through the cross-shaped bulge on the rotating shaft, so that the resistance of the volume adjuster is changed, the potentiometer converts the resistance change into a voltage change signal, the voltage change signal is transmitted to the MCU, and the MCU adjusts the volume of the hearing aid according to the voltage change signal. The device is small in size, attractiveand convenient for old patients to operate.
Owner:常德沁音科技有限公司
Indicating assembly for sound receiving area of microphone
ActiveCN222366366UImprove the radio effectEasy to talkMouthpiece/microphone attachmentsSound sourcesElectric machinery
The utility model provides an indication assembly for a microphone sound receiving area, which comprises a mounting table and a microphone shell, wherein a controller and a motor are fixedly mounted at the top of the mounting table, a rotating table is fixedly mounted at the output end of the motor, a sound receiving head is fixedly arranged above the rotating table, a light source is fixedly arranged on the sound receiving head, and an optical filter is arranged in front of the light source; a plurality of sound sensors are fixedly arranged on the mounting table and located on the periphery of the rotating table. According to the utility model, invisible sound signals are displayed in the form of visible light, so that a sound receiving area can be seen more conveniently during use, a sound source is captured in real time by arranging the sound sensor, the decibel detector and the like, and the motor is controlled to rotate through the controller, so that the sound receiving effect is improved. Therefore, the microphone sound receiving head can be kept in the sound source direction all the time, the sound receiving effect of the sound receiving head is displayed, a user can better adjust the volume, and the sound receiving effect is better.
Owner:UNIVERSAL CHAMPION ELECTROACOUSTIC TECH CO
Sound production device splicing control system and method
InactiveCN111131962AIncrease sound pressureImprove soundPublic address systemsFrequency/directions obtaining arrangementsSound sourcesAudio power amplifier
The invention discloses a sound production device splicing control system and method. The system comprises a modulator which is used for receiving sound source signals and taking high-frequency signals generated by the modulator as carriers to be mixed with the received sound source signals to form modulation signals, signal amplifiers which are used for amplifying and outputting the modulation signals, and sound production devices which are used for receiving the modulation signals amplified by one signal amplifier and producing sound. The modulator is connected with the signal amplifier, and the signal amplifier is connected with a sound production device. According to the invention, the sound pressure can be effectively improved, so that a user can hear a better sound effect, more flexible sound field combination can be realized, the application requirements are met, and the cost is reduced, and the freight, the installation and the maintenance are convenient due to the splicing mode of a plurality of sound production devices.
Owner:杭州聚声科技有限公司
Method for processing information and electronic equipment
InactiveCN103886057AClose shortcutEasy to identifySpecial data processing applicationsWeb data browsing optimisationSound productionProcess information
The invention discloses a method for processing information and electronic equipment. The method comprises the steps of detecting whether audio data in the playing state exist in the page displayed by a browser or not; if the fact that the audio data in the playing state exist in the page is detected, determining that the page is a sound production page comprising the audio data; adding preset marks in tabs of the sound production page. The method has the advantages that the marks are added in the tabs, under the condition of opening a plurality of pages in the electronic equipment browser, which page contains the audio data in the playing state can be easily distinguished so that a user can conveniently, rapidly and accurately control the page containing the audio data in the playing state.
Owner:LENOVO (BEIJING) LTD
Sound production adjusting device of magnetic type buzzer for instrument equipment and adjusting method thereof
PendingCN113744710AAvoid misalignmentAdjust the volumeSound producing devicesEngineeringMechanical engineering
The invention discloses a sound production adjusting device of a magnetic type buzzer for instrument equipment and an adjusting method thereof. The sound production adjusting device comprises a device shell, a through hole and a connecting hole; and the upper surface of an electrifying sheet is provided with the through hole, and the upper surface of the device shell is provided with the connecting hole. The sound production adjusting device of the magnetic type buzzer for the instrument equipment is provided with connecting wires, the number of resistors on the connecting wires is different, and a rotating ring is connected with the electrifying piece; the rotating ring is rotated to enable the electrifying piece to be connected with different connecting wires, and therefore the purpose of adjusting the volume is achieved; a second limiting rod is arranged at the bottom of the device shell; a positioning block is arranged on the outer side face of the rotating ring, so that the electrifying piece can accurately move to the connecting position; a first limiting rod is arranged, and the first limiting rod can ascend and descend through a telescopic spring, so that circuit connection can be completed, the position of the rotating ring can be limited, and dislocation of the rotating ring is avoided; and the connecting plate is arranged, and the length of the connecting plate can be adjusted, so that the mounting distance of the device can be adjusted.
Owner:江苏鑫长隆机电有限公司
Bluetooth audio broadcasting system and multi-member Bluetooth device
PendingCN114648863AAdjust the volumeDetailed explanationMicrophonesTransmission systemsAudio frequencyLow power dissipation
The invention relates to a Bluetooth audio broadcasting system and a multi-member Bluetooth device. The present specification provides a Bluetooth audio broadcasting system, comprising: an audio broadcasting device capable of broadcasting a low-power Bluetooth audio packet; the first Bluetooth member device can analyze the low-power-consumption Bluetooth audio packet to obtain preset audio data and control a first audio playing circuit to play the preset audio data; and the second Bluetooth member device can analyze the low-power-consumption Bluetooth audio packet to obtain preset audio data and control a second audio playing circuit to play the preset audio data. The audio broadcasting device also transmits a volume adjustment instruction to the first Bluetooth member device and the second Bluetooth member device after the first Bluetooth member device sends a volume adjustment request. The first Bluetooth member device can adjust the volume of the first audio playing circuit according to the volume adjustment instruction. The second Bluetooth member device can adjust the volume of the second audio playing circuit according to the volume adjustment instruction.
Owner:REALTEK SEMICON CORP