[go: up one dir, main page]

CN107197402A - Baffle Box of Bluetooth and its control system - Google Patents

Baffle Box of Bluetooth and its control system Download PDF

Info

Publication number
CN107197402A
CN107197402A CN201710456949.6A CN201710456949A CN107197402A CN 107197402 A CN107197402 A CN 107197402A CN 201710456949 A CN201710456949 A CN 201710456949A CN 107197402 A CN107197402 A CN 107197402A
Authority
CN
China
Prior art keywords
bluetooth
baffle box
audio
control
terminal equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710456949.6A
Other languages
Chinese (zh)
Inventor
杨景尧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Bel Tech Electronics Co Ltd
Original Assignee
Suzhou Bel Tech Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Bel Tech Electronics Co Ltd filed Critical Suzhou Bel Tech Electronics Co Ltd
Priority to CN201710456949.6A priority Critical patent/CN107197402A/en
Publication of CN107197402A publication Critical patent/CN107197402A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16Sound input; Sound output
    • G06F3/165Management of the audio stream, e.g. setting of volume, audio stream path

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

The invention provides a kind of Baffle Box of Bluetooth and its control system, it can be based on Bluetooth Communication Technology transmission control instruction by Bluetooth terminal equipment and Baffle Box of Bluetooth is adjusted, using more convenient.A kind of Baffle Box of Bluetooth, including:Audio input unit, for obtaining audio-source;Control unit, is input audio signal and inputs for receiving the audio-source to audio-source progress decoding process;Power amplifier, connects the output end of described control unit, for being amplified processing to the input audio signal;Phonation unit, connects the output end of the power amplifier to drive sounding by the power amplifier;The Baffle Box of Bluetooth also includes:First bluetooth module, for receiving the control instruction from Bluetooth mobile terminal by Bluetooth Communication Technology;Described control unit, is connected with first bluetooth module, is additionally operable to receive the control instruction and is exported after the input audio signal is adjusted according to the control instruction.

Description

Baffle Box of Bluetooth and its control system
Technical field
The present invention relates to audio amplifier field, more particularly to a kind of Baffle Box of Bluetooth and its control system.
Background technology
With the development of science and technology, the improvement of people's living standards, requirement more and more higher of the people to cultural life, amusement Leisure is increasingly paid attention to by society, brings many business opportunities, home entertainment system is also received by many families
The main sound system still based on singing of present home entertainment system.Sound system has a variety of collocation, respectively Have 2.1,5.1,7.1 etc., sound box system be usually by multi-functional family expenses power amplifier plus matching audio amplifier we term it Main sound box, also has the auxiliary sound box woofer composition that can produce shock effect in addition.Present home sound is with skill The raising of art is also greatly improved, but also some shortcomings.
Family expenses power amplifier control operation now on the market is most or by operating the function button on power amplifier panel To realize, use very inconvenient, although the power amplifier with distant control function can solve the problem that this problem, but can also run into sometimes The remote control very time using cause remote control bad or battery without electricity situation, be thus not easy to our operation.Separately It is outer that make consumer's headache is exactly the woofer of auxiliary and the collocation regulation problem of main sound box, now woofer on the market Regulation be all to be realized by adjusting the function button or knob of bass power amplifier manually, this sample regulation get up it is very numb It is tired, it is difficult to adjust suitable position, match with main sound box, can not thus build a comfortable audio visual environment.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of Baffle Box of Bluetooth and its control system, it can pass through Bluetooth terminal equipment Control instruction is sent based on Bluetooth Communication Technology Baffle Box of Bluetooth is adjusted, using more convenient.
To reach above-mentioned purpose, on the one hand, the present invention is adopted the following technical scheme that:
A kind of Baffle Box of Bluetooth, including:
Audio input unit, for obtaining audio-source;
Control unit, is input audio signal and inputs for receiving the audio-source to audio-source progress decoding process;
Power amplifier, connects the output end of described control unit, for being amplified processing to the input audio signal;
Phonation unit, connects the output end of the power amplifier to drive sounding by the power amplifier;
The Baffle Box of Bluetooth also includes:
First bluetooth module, for receiving the control instruction from Bluetooth mobile terminal by Bluetooth Communication Technology;
Described control unit, is connected with first bluetooth module, is additionally operable to receive the control instruction and according to the control Instruction is exported after the input audio signal is adjusted.
Preferably, the audio input unit connects including the second bluetooth module, analog signal interface, USB interface, optical fiber One or more in mouth, coaxial digital interface;Wherein, second bluetooth module, for certainly blue by Bluetooth Communication Technology Tooth terminal device obtains audio-source.
Preferably, described control unit includes MCU, multimedia decoding chip, dsp chip and pattern switching control mould Block.
Preferably, the phonation unit includes woofer.
Preferably, the Baffle Box of Bluetooth also includes being used to show present mode and/or the display screen of volume.
On the other hand, the present invention is adopted the following technical scheme that:
A kind of control system of Baffle Box of Bluetooth, including:
Described Baffle Box of Bluetooth;
Bluetooth terminal equipment, for sending the control instruction to first bluetooth module by Bluetooth Communication Technology.
Preferably, the control system also includes:
Microphone, for receiving the output audio of the loudspeaker output and sending to the Bluetooth terminal equipment;
The Bluetooth terminal equipment, is additionally operable to generate the control instruction, the control according to the output audio received Instruction corresponds to the play mode and volume for switching the Baffle Box of Bluetooth.
Preferably, the Microphone, for receiving the output audio of woofer output and sending to the indigo plant Tooth terminal device.
It is highly preferred that the Bluetooth terminal equipment is smart bluetooth mobile phone, the Microphone is connected to the intelligence The ear port of bluetooth cellular phone.
Preferably, the Bluetooth terminal equipment, is additionally operable to the sound to the Baffle Box of Bluetooth by Bluetooth Communication Technology Frequency input block sends audio-source.
The present invention uses above scheme, has the following advantages that compared with prior art:
Baffle Box of Bluetooth has the first bluetooth module, and the control of Bluetooth terminal equipment transmission can be received based on Bluetooth Communication Technology Instruction, can pass through Bluetooth terminal equipment(Such as smart bluetooth mobile phone)Baffle Box of Bluetooth is controlled so that control is more square Just.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the accompanying drawing used required in being described below to embodiment It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Accompanying drawing 1 shows a kind of block diagram of the control system of Baffle Box of Bluetooth of the present invention;
Accompanying drawing 2-4 shows several control interfaces of smart bluetooth mobile phone.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy It is easier to be understood by the person skilled in the art.Herein it should be noted that the explanation for these embodiments is used to help Understand the present invention, but do not constitute limitation of the invention.In addition, involved in each embodiment of invention described below As long as and to technical characteristic do not constitute each other conflict can just be combined with each other.
The present embodiment provides a kind of Baffle Box of Bluetooth 1, referring to the drawings shown in 1, the Baffle Box of Bluetooth 1 that the present embodiment is provided, including:
Audio input unit 11, for obtaining audio-source by way of wirelessly or non-wirelessly;
Control unit 12, is input audio signal and defeated for receiving the audio-source to carry out the audio-source decoding process Enter;
Power amplifier 13, connects the output end of described control unit 12, for being amplified processing to the input audio signal;
Phonation unit, is loudspeaker 14, connects the output end of the power amplifier 13 to drive sounding, the present embodiment by the power amplifier 13 Include high pitch loudspeaker and woofer, or including high pitch loudspeaker, Squawker and woofer;
First bluetooth module 15, for Bluetooth mobile terminal equipment(Such as bluetooth cellular phone 2 in accompanying drawing 1)Pass through Bluetooth Communication Technology Match and receive the control instruction from Bluetooth mobile terminal;
Described control unit 12, is connected with first bluetooth module 15, is additionally operable to receive the control instruction and according to described Control instruction is exported after the input audio signal is adjusted.
The Baffle Box of Bluetooth 1 is obtained using wire transmission or by the way of being wirelessly transferred using multiple signal source input mode and waits to broadcast The audio-source put, thus the audio input unit 11 includes the second bluetooth module 111, analog signal interface(RCA interfaces 113), usb 1 14, optical fiber interface 115 and coaxial digital interface 112;Wherein, second bluetooth module 111, is used for Audio-source is obtained from Bluetooth terminal equipment by Bluetooth Communication Technology.In the present embodiment, the second bluetooth module 111 is audio input The necessary component of unit 11, audio-source is obtained by second bluetooth module 111 to described bluetooth equipment terminal, and is led to Cross the first bluetooth module 15 and receive the control instruction from described bluetooth equipment terminal.
Described control unit 12 includes MCU, multimedia decoding chip, dsp chip and pattern switching control module.The indigo plant Tooth audio amplifier 1 is controlled using MCU, carries USB multimedia decodings chip and dsp chip is handled the audio-source of acquisition, can use In a variety of audio-sources of processing.
The Baffle Box of Bluetooth 1 also includes being used for the display screen 16 for the present mode and/or volume for showing Baffle Box of Bluetooth 1.Display Screen 16 shows current device state in which, and user can be allowed to be clear from pattern and the volume that equipment is presently in.Control Unit 12 processed is mutually electrically connected with display screen 16, and sending the information comprising present mode and volume to display screen 16 is used to show.
Power amplifier 13, is the abbreviation of power amplifier, is constituted, can effectively carried using multiple power field effect pipe discrete components For the operating efficiency of equipment.
The Baffle Box of Bluetooth 1 also includes being used for the power supply to above-mentioned each unit and module for power supply, and power supply uses Switching Power Supply, had Effect improves the utilization ratio of power supply.
The Baffle Box of Bluetooth 1 also includes the shell for being used to cover above-mentioned each unit and module, and shell is provided with radiator.Electricity The FET of source and power amplifier 13 is set on a heat sink, and radiator is mainly used in the FET increase area of dissipations of power supply and power amplifier 13, keeps away Exempt from it to be burned when working loading.Isolated between FET and radiator by potsherd, prevent FET short circuits.
A kind of control system of above-mentioned Baffle Box of Bluetooth 1, including:
Described Baffle Box of Bluetooth 1;
Bluetooth terminal equipment, specially smart bluetooth mobile phone 2, for by Bluetooth Communication Technology to first bluetooth module 15 Send the control instruction;
Microphone 3, for receiving the output audio of the output of loudspeaker 14 and sending to smart bluetooth mobile phone 2;
The smart bluetooth mobile phone 2, is additionally operable to generate the control instruction, the control according to the output audio received Instruction corresponds to the play mode and volume for switching the Baffle Box of Bluetooth 1.
The Microphone 3, specifically for receiving the output audio of the output of woofer 14 and sending to intelligent indigo plant Tooth mobile phone 2.
The Microphone is connected to the ear port of the smart bluetooth mobile phone 2.
The smart bluetooth mobile phone 2, is additionally operable to second bluetooth to the Baffle Box of Bluetooth 1 by Bluetooth Communication Technology Module 111 sends audio-source.
In the control system, the APP softwares of control audio amplifier by mobile phone control Baffle Box of Bluetooth 1, can be installed on mobile phone, Audio amplifier can be controlled by Bluetooth Communication Technology, efficiently adjust the volume of audio amplifier, any switching laws with the play mode of bride, Handset earphone port connects a Microphone 3 can adjust outer by the AUTOBLEND inside mobile phone A PP softwares Woofer is connect, the sound effect that woofer and equipment match is automatically adjusted according to the size in room, pole can be createed AUTO Tuning Room control interfaces in good audio environment, the mobile phone as shown in accompanying drawing 2, accompanying drawing 3 is shown in mobile phone Volume and patten transformation control interface, other function control interfaces shown in accompanying drawing 4.
The step of mobile terminal device connects bluetooth and controls Baffle Box of Bluetooth:
The first bluetooth module that a, the mobile terminal device with Bluetooth function are sent on Bluetooth signal, main sound box receives signal Afterwards, mobile terminal device is connected to, the APP softwares for controlling Baffle Box of Bluetooth on mobile terminal is opened, enters above-mentioned APP control interfaces;
B, into behind interface, user can control the volume played, regulation according to different play mode are selected the need for use The functions such as the brightness of display screen;
C, these functions realize that the main upper bluetooth by mobile terminal device sends a signal to the first bluetooth mould of Baffle Box of Bluetooth Block, the first bluetooth module sends instructions to MCU, and MCU is received after instruction, and according to different instruction requirements, power amplifier is referred to Order distribution, realizes different functions.
Woofer output frequency automatically adjusts implementation steps
A, the receiver J-Horner end in mobile terminal device, insert Microphone;
B, opening bass power amplifier, the signal input that SUB OUT outputs are connected to bass power amplifier are used as signal source;
AUTOBLEND inside c, opening APP softwares, selection software, the Microphone that mobile terminal device is connected are close The loudspeaker of woofer, software can automatically regulate bass output frequency according to the loudspeaker size of audio amplifier, reach wanting for matching Ask.
The above embodiments merely illustrate the technical concept and features of the present invention, is a kind of preferred embodiment, and its purpose exists It can understand present disclosure in person skilled in the art and implement according to this, the protection of the present invention can not be limited with this Scope.It is all according to the equivalent transformation made of Spirit Essence of the present invention or modification, should all cover protection scope of the present invention it It is interior.

Claims (10)

1. a kind of Baffle Box of Bluetooth, including:
Audio input unit, for obtaining audio-source;
Control unit, is input audio signal and inputs for receiving the audio-source to audio-source progress decoding process;
Power amplifier, connects the output end of described control unit, for being amplified processing to the input audio signal;
Phonation unit, connects the output end of the power amplifier to drive sounding by the power amplifier;
Characterized in that, the Baffle Box of Bluetooth also includes:
First bluetooth module, for receiving the control instruction from Bluetooth mobile terminal by Bluetooth Communication Technology;
Described control unit, is connected with first bluetooth module, is additionally operable to receive the control instruction and according to the control Instruction is exported after the input audio signal is adjusted.
2. Baffle Box of Bluetooth according to claim 1, it is characterised in that the audio input unit includes the second bluetooth mould One or more in block, analog signal interface, USB interface, optical fiber interface, coaxial digital interface;Wherein, second bluetooth Module, for obtaining audio-source from Bluetooth terminal equipment by Bluetooth Communication Technology.
3. Baffle Box of Bluetooth according to claim 1, it is characterised in that described control unit includes MCU, multimedia decoding core Piece, dsp chip and pattern switching control module.
4. Baffle Box of Bluetooth according to claim 1, it is characterised in that the phonation unit includes woofer.
5. Baffle Box of Bluetooth according to claim 1, it is characterised in that the Baffle Box of Bluetooth also includes being used to show current mould The display screen of formula and/or volume.
6. a kind of control system of Baffle Box of Bluetooth, it is characterised in that including:
Baffle Box of Bluetooth as described in claim any one of 1-5;
Bluetooth terminal equipment, for sending the control instruction to first bluetooth module by Bluetooth Communication Technology.
7. the control system of Baffle Box of Bluetooth according to claim 6, it is characterised in that the control system also includes:
Microphone, for receiving the output audio of the phonation unit output and sending to the Bluetooth terminal equipment;
The Bluetooth terminal equipment, is additionally operable to generate the control instruction, the control according to the output audio received Instruction corresponds to the play mode and volume for switching the Baffle Box of Bluetooth.
8. the control system of Baffle Box of Bluetooth according to claim 7, it is characterised in that
The Microphone, for receiving the output audio of woofer output and sending to the Bluetooth terminal equipment.
9. the control system of Baffle Box of Bluetooth according to claim 7, it is characterised in that the Bluetooth terminal equipment is intelligence Bluetooth cellular phone, the Microphone is connected to the ear port of the smart bluetooth mobile phone.
10. the control system of Baffle Box of Bluetooth according to claim 6, it is characterised in that
The Bluetooth terminal equipment, is additionally operable to send out to the audio input unit of the Baffle Box of Bluetooth by Bluetooth Communication Technology Send audio-source.
CN201710456949.6A 2017-06-16 2017-06-16 Baffle Box of Bluetooth and its control system Pending CN107197402A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710456949.6A CN107197402A (en) 2017-06-16 2017-06-16 Baffle Box of Bluetooth and its control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710456949.6A CN107197402A (en) 2017-06-16 2017-06-16 Baffle Box of Bluetooth and its control system

Publications (1)

Publication Number Publication Date
CN107197402A true CN107197402A (en) 2017-09-22

Family

ID=59879369

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710456949.6A Pending CN107197402A (en) 2017-06-16 2017-06-16 Baffle Box of Bluetooth and its control system

Country Status (1)

Country Link
CN (1) CN107197402A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107566945A (en) * 2017-09-28 2018-01-09 广州国光音频科技有限公司 A kind of Multifunctional mobile pull bar audio amplifier
CN107682784A (en) * 2017-11-15 2018-02-09 成都磐基机电设备有限公司 A kind of high effective portable wirelessly plays combination method and system
CN109450832A (en) * 2018-11-14 2019-03-08 深圳市芯中芯科技有限公司 A kind of Bluetooth terminal balanced device EQ regulating system of software APP
CN111182139A (en) * 2019-12-24 2020-05-19 深圳市康米索数码科技有限公司 Bluetooth sound box mobile phone control system based on Internet of things
CN111212409A (en) * 2019-12-25 2020-05-29 厦门盈趣科技股份有限公司 Sound equipment for playing with wireless multiple sound channels of sound source
CN111510803A (en) * 2020-04-22 2020-08-07 歌尔科技有限公司 Sound box and sound box system
CN112399308A (en) * 2020-08-10 2021-02-23 江南大学 High-fidelity intelligent audio-visual system based on STM32 singlechip
CN112954681A (en) * 2021-03-03 2021-06-11 东莞市融音电子科技有限公司 Low-power-consumption Bluetooth sound box supporting remote control
CN113849151A (en) * 2021-08-26 2021-12-28 明基智能科技(上海)有限公司 Audio device and volume adjusting method thereof
CN114125650A (en) * 2020-08-27 2022-03-01 华为技术有限公司 Audio data processing method and device and sound box system
CN119211810A (en) * 2024-10-10 2024-12-27 广州市迪士普音响科技有限公司 Audio adjustment method, device, equipment and storage medium for IP broadcasting speaker

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203840507U (en) * 2014-04-09 2014-09-17 深圳市佳骏兴科技有限公司 Bluetooth stereo
CN104469482A (en) * 2014-12-19 2015-03-25 乐视致新电子科技(天津)有限公司 Control method and device for connecting an intelligent terminal to a bluetooth device
CN104469648A (en) * 2014-12-31 2015-03-25 小米科技有限责任公司 Audio frequency calibration method and device
CN104796642A (en) * 2015-03-06 2015-07-22 康佳集团股份有限公司 A dual-mode Bluetooth sound-box television system and a dual-mode Bluetooth audio playing control method thereof
CN105262452A (en) * 2015-10-29 2016-01-20 小米科技有限责任公司 Method and apparatus for adjusting volume, and terminal
CN206212248U (en) * 2016-09-28 2017-05-31 深圳市一网科技有限公司 A kind of sound box system played based on high in the clouds control

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203840507U (en) * 2014-04-09 2014-09-17 深圳市佳骏兴科技有限公司 Bluetooth stereo
CN104469482A (en) * 2014-12-19 2015-03-25 乐视致新电子科技(天津)有限公司 Control method and device for connecting an intelligent terminal to a bluetooth device
CN104469648A (en) * 2014-12-31 2015-03-25 小米科技有限责任公司 Audio frequency calibration method and device
CN104796642A (en) * 2015-03-06 2015-07-22 康佳集团股份有限公司 A dual-mode Bluetooth sound-box television system and a dual-mode Bluetooth audio playing control method thereof
CN105262452A (en) * 2015-10-29 2016-01-20 小米科技有限责任公司 Method and apparatus for adjusting volume, and terminal
CN206212248U (en) * 2016-09-28 2017-05-31 深圳市一网科技有限公司 A kind of sound box system played based on high in the clouds control

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107566945A (en) * 2017-09-28 2018-01-09 广州国光音频科技有限公司 A kind of Multifunctional mobile pull bar audio amplifier
CN107682784A (en) * 2017-11-15 2018-02-09 成都磐基机电设备有限公司 A kind of high effective portable wirelessly plays combination method and system
CN109450832A (en) * 2018-11-14 2019-03-08 深圳市芯中芯科技有限公司 A kind of Bluetooth terminal balanced device EQ regulating system of software APP
CN111182139A (en) * 2019-12-24 2020-05-19 深圳市康米索数码科技有限公司 Bluetooth sound box mobile phone control system based on Internet of things
CN111212409A (en) * 2019-12-25 2020-05-29 厦门盈趣科技股份有限公司 Sound equipment for playing with wireless multiple sound channels of sound source
CN111510803A (en) * 2020-04-22 2020-08-07 歌尔科技有限公司 Sound box and sound box system
CN112399308A (en) * 2020-08-10 2021-02-23 江南大学 High-fidelity intelligent audio-visual system based on STM32 singlechip
CN114125650A (en) * 2020-08-27 2022-03-01 华为技术有限公司 Audio data processing method and device and sound box system
CN114125650B (en) * 2020-08-27 2023-05-09 华为技术有限公司 Audio data processing method and device and sound box system
US12231841B2 (en) 2020-08-27 2025-02-18 Huawei Technologies Co., Ltd. Audio data processing method and apparatus, and sound box system
CN112954681A (en) * 2021-03-03 2021-06-11 东莞市融音电子科技有限公司 Low-power-consumption Bluetooth sound box supporting remote control
CN113849151A (en) * 2021-08-26 2021-12-28 明基智能科技(上海)有限公司 Audio device and volume adjusting method thereof
CN119211810A (en) * 2024-10-10 2024-12-27 广州市迪士普音响科技有限公司 Audio adjustment method, device, equipment and storage medium for IP broadcasting speaker

Similar Documents

Publication Publication Date Title
CN107197402A (en) Baffle Box of Bluetooth and its control system
CN204965038U (en) Intelligence pronunciation stereo set
CN103747391A (en) Sound box with dual-wireless mode and control method thereof
CN109637512A (en) A kind of tuning system and tuning method
CN203984609U (en) Based on the wireless sound box of LED visible light communication
CN103414932A (en) Multi-mode set top box remote controller
CN108989918A (en) A kind of apparatus for processing audio and a kind of audio frequency broadcast system
CN209357231U (en) Remote Controls and Remote Control Systems
CN207251891U (en) A kind of sound card with wireless blue tooth earphone function
CN107071632A (en) A kind of voice audio amplifier
CN109151640A (en) A kind of bluetooth infinite expanding earphone
CN211909090U (en) Smart Repair Wireless Microphone
CN103794200A (en) Portable karaoke device capable of achieving audio access based on WIFI
CN204046790U (en) Bluetooth Speaker
CN209419811U (en) Wireless sound box circuit and wireless sound box
CN203574838U (en) Sound box with double wireless modes
CN208572408U (en) Wireless microphone based on bluetooth BLE transmission
CN207399470U (en) A kind of multifunction blue tooth Mobile loudspeaker box
CN207249655U (en) A kind of remote-controlled sound card
CN205305102U (en) The three-button headphone control box that can switch between Android and Apple systems optimizes the circuit
CN205961246U (en) Convertible control key function take earphone mobile terminal
CN201781560U (en) Television system with network television function
KR200397845Y1 (en) Wireless audio signal transferring apparatus
CN213518226U (en) Live broadcast sound card
CN203596880U (en) Multi-mode set-top-box remote controller

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170922

RJ01 Rejection of invention patent application after publication