CN106941544A - A kind of mobile terminal Bluetooth audio frequency expansion module - Google Patents

A kind of mobile terminal Bluetooth audio frequency expansion module Download PDF

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Publication number
CN106941544A
CN106941544A CN201710302452.9A CN201710302452A CN106941544A CN 106941544 A CN106941544 A CN 106941544A CN 201710302452 A CN201710302452 A CN 201710302452A CN 106941544 A CN106941544 A CN 106941544A
Authority
CN
China
Prior art keywords
bluetooth audio
audio frequency
expansion module
mobile terminal
frequency expansion
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
CN201710302452.9A
Other languages
Chinese (zh)
Inventor
张德明
丁向辉
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.)
Beijing Sabine Technologies Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201710302452.9A priority Critical patent/CN106941544A/en
Publication of CN106941544A publication Critical patent/CN106941544A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • 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
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • 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
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1091Details not provided for in groups H04R1/1008 - H04R1/1083
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Function (AREA)

Abstract

The present invention proposes a kind of mobile terminal Bluetooth audio frequency expansion module, the expansion module make use of mobile terminal without additionally installing driving with regard to characteristic that is recognizable and using the external sound card of standard with its wired connection to carry out Audio Signal Processing, standard sound card framework is combined with Bluetooth audio frequency processing Transmit-Receive Unit, the connection between mobile terminal and Bluetooth audio equipment is set up using expansion module, so that mobile terminal passes through the expansion module, the function of Bluetooth audio equipment can be perfectly realized in the case where secondary development need not be carried out again.

Description

A kind of mobile terminal Bluetooth audio frequency expansion module
Technical field
The invention belongs to audio frequency field, more particularly to a kind of mobile terminal Bluetooth audio frequency expansion module.
Background technology
With the development of mobile interchange technology, the wireless connecting function of the mobile terminal including mobile phone, panel computer Reach its maturity, Bluetooth audio frequency is more and more applied with its stable high-quality transmission characteristic, the bluetooth sound of in the market Frequency peripheral product also enriches further, such as bluetooth earphone, Baffle Box of Bluetooth, and what is used between these equipment and mobile terminal is usually The Bluetooth audio protocol of standard, such as A2DP, but for some Bluetooth audio equipments Jing Guo special exploitation, for example, support The Bluetooth audio equipment of high-fidelity binary channels downstream transmission is, it is necessary to which first set can be with the hardware or software of mobile terminal After the SDK (Software Development Kit) for coordinating the Bluetooth audio equipment, the bluetooth equipment could be realized in movement The repertoire of terminal, and this manufacturer that to be unfavorable for the mode of mobile terminal software and hardware secondary development is to its special bluetooth sound The popularization of frequency equipment.
The content of the invention
In order to overcome the defect of prior art, the present invention proposes a kind of mobile terminal Bluetooth audio frequency expansion module, the extension Module make use of mobile terminal without additionally installing driving with regard to can recognize that and enter using the external sound card of standard with its wired connection The characteristic of row Audio Signal Processing, standard sound card framework is combined with Bluetooth audio frequency processing Transmit-Receive Unit, expansion module is used Set up the connection between mobile terminal and Bluetooth audio equipment so that mobile terminal can not needed by the expansion module In the case of carrying out secondary development again, the function of Bluetooth audio equipment is perfectly realized.
A kind of mobile terminal Bluetooth audio frequency expansion module is provided, including standard sound card framework, electricity can be carried out with mobile terminal The connection terminal of connection, standard sound card framework is electrically connected with connection terminal, and Bluetooth audio frequency expansion module can be connected by connection terminal Mobile terminal is connected to, after connection, the Bluetooth audio frequency expansion module is identified as standard sound card equipment by mobile terminal, and its feature exists In Bluetooth audio frequency expansion module also includes Bluetooth audio frequency and handles Transmit-Receive Unit, Bluetooth audio frequency processing Transmit-Receive Unit and standard sound Card architecture is electrically connected;Specific Bluetooth audio protocol has been embedded in Bluetooth audio frequency processing Transmit-Receive Unit, has passed through the specific indigo plant Tooth audio protocols can make the Bluetooth audio frequency handle Transmit-Receive Unit and embedded in the Bluetooth audio equipment of same Bluetooth audio protocol Carry out wireless audio signal transmission.
Further, described connection terminal is directly inserted into the socket of mobile terminal;Or will even using connecting line Connecting terminal is electrically connected with mobile terminal;Or mobile terminal Bluetooth audio frequency expansion module is simultaneously including polytype connection end Son;Wherein, connection terminal type includes Lightning, Micro-USB, USB Type-C.
Further, the electricity that mobile terminal Bluetooth audio frequency expansion module is provided using the socket of its mobile terminal connected Power;Or mobile terminal Bluetooth audio frequency expansion module further comprises power supply unit, for being provided for Bluetooth audio frequency expansion module Electric power, the power supply of the power supply unit is internal battery or external power supply.
Further, described specific Bluetooth audio protocol carries out audio signal including the use of the RFCOMM passages of bluetooth Downstream transmission.
Wherein, described Bluetooth audio equipment include K songs microphone, portable holographic sound field recording communication microphone earphone, Holographic sound field recording microphone wind, Bluetooth audio device;Mobile terminal includes mobile phone, panel computer, laptop computer, PDA, desk-top meter Calculation machine.
Brief description of the drawings
Fig. 1 is the cut-away view and connection diagram of the mobile terminal Bluetooth audio frequency expansion module of the present invention
Embodiment
With reference to accompanying drawing, the mobile terminal Bluetooth audio frequency expansion module of the present invention is described in detail.It is existing mobile whole Hold the operating system of (such as mobile phone, panel computer, above-knee shape computer) including IOS, ANDROID, WINDOWS etc., work as standard When sound card is linked into these mobile terminals by wired mode, mobile terminal need not can additionally install the situation of driving again Under identify standard sound card (such as by the OTG functions of mobile terminal), and up-downgoing digital audio and video signals can be carried out with it Transmission, can so extend mobile terminal audio signal processing ability.Using this feature of mobile terminal, this is given The technical scheme of invention, accompanying drawing 1 shows cut-away view and the connection of the mobile terminal Bluetooth audio frequency expansion module of the present invention Schematic diagram, from accompanying drawing 1, Bluetooth audio frequency expansion module 1 of the invention includes standard sound card framework 21, can entered with mobile terminal The connection terminal 23 of row grafting, standard sound card framework 21 is electrically connected with connection terminal 23, wherein, Bluetooth audio frequency expansion module 1 leads to Connection terminal 23 is crossed to be inserted into the socket of mobile terminal 2, for the different type of mobile terminal 2, connection terminal 23 include but Lightning, Micro-USB, USB Type-C terminals etc. are not limited to, this is certainly not limited to, connecting line can also be used to incite somebody to action Bluetooth audio frequency module 1 and mobile terminal 2 are attached, in addition, can also include inhomogeneity simultaneously on Bluetooth audio frequency expansion module 1 The socket of type, in order to be adapted to different types of mobile terminal 2;It is real after Bluetooth audio frequency expansion module 1 is connected with mobile terminal 2 It is that standard sound card framework 21 in Bluetooth audio frequency expansion module 1 is connected with mobile terminal 2 on border, therefore, the bluetooth sound Frequency expansion module 1 directly can be identified as standard sound card equipment by mobile terminal 2 and be driven without extra install again, mobile terminal 2 The transmission of up-down bidirectional audio signal can be carried out between the Bluetooth audio frequency expansion module 1;Further, Bluetooth audio frequency extends Module 1 also includes Bluetooth audio frequency and handles Transmit-Receive Unit 22, Bluetooth audio frequency processing Transmit-Receive Unit 22 and the electricity of standard sound card framework 21 Connection, both can also carry out two-way audio data transmission;Specific indigo plant has been embedded in Bluetooth audio frequency processing Transmit-Receive Unit 22 Tooth audio protocols, can make the Bluetooth audio frequency handle Transmit-Receive Unit 22 and embedded in same by the specific Bluetooth audio protocol The Bluetooth audio equipment 3 of Bluetooth audio protocol is attached and carries out wireless audio signal transmission;Thus, the Bluetooth audio frequency is passed through What expansion module 1 then established between mobile terminal 2 and Bluetooth audio equipment 3 with particular bluetooth audio protocols wireless connects Connect.
Wherein, described specific Bluetooth audio protocol includes but is not limited to carry out audio using the RFCOMM passages of bluetooth The downstream transmission of signal, the Bluetooth audio equipment 3 based on this agreement includes but is not limited to the K with particular bluetooth audio protocols Sing microphone, portable holographic sound field recording communication microphone earphone, holographic sound field recording microphone wind, Bluetooth audio device.With portable Exemplified by holographic sound field recording communication microphone earphone, the uplink and downlink of signals transmitting procedure to the present invention is described in detail, when After mobile terminal 2 is connected by Bluetooth audio frequency expansion module 1 with described portable holographic sound field recording communication microphone earphone, The double-channel signal of the ears microphone pickup of the microphone earphone can be sent to bluetooth by the way that blue tooth RFCOMM passage is up The Bluetooth audio frequency processing Transmit-Receive Unit 22 of audio extension module 1, Bluetooth audio frequency processing Transmit-Receive Unit 22 will further be received Double-channel signal processing after send to standard sound card framework 21, the double-channel signal received is entered one by standard sound card framework 21 Step sent by connection terminal 23 to mobile terminal 2, mobile terminal 2 then can to the binary channels binaural signal progress subsequent treatment and Record;And simultaneously, mobile terminal 2 can also be sent the binaural signal for needing to be reset to bluetooth by connection terminal 23 The standard sound card framework 21 of audio extension module 1, is further sent the two-channel to bluetooth sound by the standard sound card framework 21 Frequency processing Transmit-Receive Unit 22, and Bluetooth audio frequency processing Transmit-Receive Unit 22 then sends binaural signal by the way that RFCOMM passages are descending Extremely communicate microphone earphone with its portable holographic sound field recording for carrying out bluetooth connection, so as to realize the synchronous many of audio signal Passage downstream transmission.
For the power itself of Bluetooth audio frequency expansion module 1, the slotting of its mobile terminal 2 connected can be directly utilized The electric power that mouth is provided, or power supply unit 24 is further set, for providing electric power, the power supply for Bluetooth audio frequency expansion module 1 The power supply of unit 24 is internal battery or external power supply.
Above-mentioned mobile terminal 2 includes mobile phone, panel computer, laptop computer, PDA, desktop computer etc., as long as Can recognize that the terminal of standard sound card equipment can use the Bluetooth audio frequency expansion module 1 of the present invention.
It should be appreciated by those skilled in the art that the rational modification in present disclosure should also belong to the present invention's Protection domain.

Claims (10)

1. a kind of mobile terminal Bluetooth audio frequency expansion module (1), including standard sound card framework (21), electricity can be carried out with mobile terminal The connection terminal (23) of connection, standard sound card framework (21) is electrically connected with connection terminal (23), and Bluetooth audio frequency expansion module (1) can Mobile terminal (2) is connected to by connection terminal (23), after connection, the Bluetooth audio frequency expansion module (1) is known by mobile terminal (2) Wei standard sound card equipment, it is characterised in that Bluetooth audio frequency expansion module (1) also includes Bluetooth audio frequency and handles Transmit-Receive Unit (22), Bluetooth audio frequency processing Transmit-Receive Unit (22) is electrically connected with standard sound card framework (21);It is single in Bluetooth audio frequency processing transmitting-receiving First (22) have been embedded in specific Bluetooth audio protocol, can handle the Bluetooth audio frequency by the specific Bluetooth audio protocol Transmit-Receive Unit (22) and Bluetooth audio equipment (3) the progress wireless audio signal transmission that embedded in same Bluetooth audio protocol.
2. Bluetooth audio frequency expansion module as claimed in claim 1, is characterised by, described connection terminal (23) is directly inserted into In the socket of mobile terminal (2).
3. Bluetooth audio frequency expansion module as claimed in claim 1, is characterised by, using connecting line by connection terminal (23) with moving Dynamic terminal (2) electrical connection.
4. Bluetooth audio frequency expansion module as claimed in claim 1, is characterised by, mobile terminal Bluetooth audio frequency expansion module (1) Simultaneously including polytype connection terminal (23).
5. the Bluetooth audio frequency expansion module as described in one of claim 1-4, is characterised by, connection terminal (23) type includes Lightning、Micro-USB、USB Type-C。
6. Bluetooth audio frequency expansion module as claimed in claim 1, is characterised by, mobile terminal Bluetooth audio frequency expansion module (1) The electric power that the socket of the mobile terminal (2) connected using it is provided.
7. Bluetooth audio frequency expansion module as claimed in claim 1, is characterised by, mobile terminal Bluetooth audio frequency expansion module (1) Further comprise power supply unit (24), for providing electric power, the power supply of the power supply unit (24) for Bluetooth audio frequency expansion module (1) For internal battery or external power supply.
8. Bluetooth audio frequency expansion module as claimed in claim 1, is characterised by, described specific Bluetooth audio protocol includes The downstream transmission of audio signal is carried out using the RFCOMM passages of bluetooth.
9. Bluetooth audio frequency expansion module as claimed in claim 8, is characterised by, described Bluetooth audio equipment (3) is sung including K Microphone, portable holographic sound field recording communication microphone earphone, holographic sound field recording microphone wind, Bluetooth audio device.
10. Bluetooth audio frequency expansion module as claimed in claim 1, is characterised by, mobile terminal (2) includes mobile phone, flat board electricity Brain, laptop computer, PDA, desktop computer.
CN201710302452.9A 2017-05-03 2017-05-03 A kind of mobile terminal Bluetooth audio frequency expansion module Pending CN106941544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710302452.9A CN106941544A (en) 2017-05-03 2017-05-03 A kind of mobile terminal Bluetooth audio frequency expansion module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710302452.9A CN106941544A (en) 2017-05-03 2017-05-03 A kind of mobile terminal Bluetooth audio frequency expansion module

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110335597A (en) * 2019-06-24 2019-10-15 深圳市小魔信息技术有限公司 A kind of wake-up system and method under mobile phone screen lock state
CN110347209A (en) * 2019-05-24 2019-10-18 惠州市华智航科技有限公司 It is a kind of to have Bluetooth transmission function and convenient for adjusting the external sound card of music pattern
CN111200774A (en) * 2018-11-18 2020-05-26 北京塞宾科技有限公司 Bluetooth sound card
WO2020155090A1 (en) * 2019-01-29 2020-08-06 深圳傲智天下信息科技有限公司 Audio bluetooth transmission method, bluetooth transceiver and computer readable storage medium
CN112565982A (en) * 2019-09-26 2021-03-26 北京塞宾科技有限公司 Interactive sound box and sound reinforcement method using same
CN112714346A (en) * 2020-12-28 2021-04-27 江西创成微电子有限公司 Live broadcast system and audio signal transmission system and equipment thereof
CN112995819A (en) * 2021-02-03 2021-06-18 深圳市志泽科技有限公司 Wireless two-way communication system
CN114079901A (en) * 2021-11-12 2022-02-22 江苏富联通讯技术有限公司 Movable Bluetooth communication module and use method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020141147A1 (en) * 2001-03-28 2002-10-03 Tetsuo Ando Electronic apparatus having a slidable expansion card slot
US20030013414A1 (en) * 2001-07-13 2003-01-16 Huang Yishao Max Radio system for providing wireless connectivity between digital devices
EP1310858A1 (en) * 2001-11-09 2003-05-14 Sony International (Europe) GmbH External wireless connected expansion device for handheld computers
CN2757439Y (en) * 2004-11-04 2006-02-08 金纯� Blue teeth audio frequency adaptor
CN101594698A (en) * 2008-05-26 2009-12-02 唐斌 Extensible function modularization combined mobile communication terminal
CN201467445U (en) * 2009-02-13 2010-05-12 唐文亮 External Bluetooth module interface device for multi-media sound system
CN203167270U (en) * 2013-04-03 2013-08-28 广州视睿电子科技有限公司 Wireless public address equipment and system of all-in-one machine
CN204721596U (en) * 2015-07-08 2015-10-21 鲍长君 A kind of audio frequency apparatus and audio extension card thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020141147A1 (en) * 2001-03-28 2002-10-03 Tetsuo Ando Electronic apparatus having a slidable expansion card slot
US20030013414A1 (en) * 2001-07-13 2003-01-16 Huang Yishao Max Radio system for providing wireless connectivity between digital devices
EP1310858A1 (en) * 2001-11-09 2003-05-14 Sony International (Europe) GmbH External wireless connected expansion device for handheld computers
CN2757439Y (en) * 2004-11-04 2006-02-08 金纯� Blue teeth audio frequency adaptor
CN101594698A (en) * 2008-05-26 2009-12-02 唐斌 Extensible function modularization combined mobile communication terminal
CN201467445U (en) * 2009-02-13 2010-05-12 唐文亮 External Bluetooth module interface device for multi-media sound system
CN203167270U (en) * 2013-04-03 2013-08-28 广州视睿电子科技有限公司 Wireless public address equipment and system of all-in-one machine
CN204721596U (en) * 2015-07-08 2015-10-21 鲍长君 A kind of audio frequency apparatus and audio extension card thereof

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111200774A (en) * 2018-11-18 2020-05-26 北京塞宾科技有限公司 Bluetooth sound card
WO2020155090A1 (en) * 2019-01-29 2020-08-06 深圳傲智天下信息科技有限公司 Audio bluetooth transmission method, bluetooth transceiver and computer readable storage medium
CN110347209A (en) * 2019-05-24 2019-10-18 惠州市华智航科技有限公司 It is a kind of to have Bluetooth transmission function and convenient for adjusting the external sound card of music pattern
CN110335597A (en) * 2019-06-24 2019-10-15 深圳市小魔信息技术有限公司 A kind of wake-up system and method under mobile phone screen lock state
CN112565982A (en) * 2019-09-26 2021-03-26 北京塞宾科技有限公司 Interactive sound box and sound reinforcement method using same
CN112565982B (en) * 2019-09-26 2022-03-25 北京塞宾科技有限公司 Interactive sound box and sound reinforcement method using same
CN112714346A (en) * 2020-12-28 2021-04-27 江西创成微电子有限公司 Live broadcast system and audio signal transmission system and equipment thereof
CN112995819A (en) * 2021-02-03 2021-06-18 深圳市志泽科技有限公司 Wireless two-way communication system
CN114079901A (en) * 2021-11-12 2022-02-22 江苏富联通讯技术有限公司 Movable Bluetooth communication module and use method thereof
CN114079901B (en) * 2021-11-12 2024-06-11 江苏富联通讯技术股份有限公司 Movable Bluetooth communication module and application method thereof

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Effective date of registration: 20200420

Address after: 100085 12A-2, B, block 28, information road, Haidian District, Beijing.

Applicant after: BEIJING SABINE TECHNOLOGIES Ltd.

Address before: 100016, room 1406, Hongyuan building, No. 4 Jiuxianqiao Road, Beijing, Chaoyang District

Applicant before: Zhang Deming

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Application publication date: 20170711

RJ01 Rejection of invention patent application after publication