CN202634685U - Mobile terminal for playing hi-fi music - Google Patents
Mobile terminal for playing hi-fi music Download PDFInfo
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- CN202634685U CN202634685U CN 201220205473 CN201220205473U CN202634685U CN 202634685 U CN202634685 U CN 202634685U CN 201220205473 CN201220205473 CN 201220205473 CN 201220205473 U CN201220205473 U CN 201220205473U CN 202634685 U CN202634685 U CN 202634685U
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- music
- portable terminal
- processor
- audio
- usb
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Abstract
The utility model relates to a mobile terminal for playing hi-fi music, which comprises a USB interface switching device used for switching and transmitting the received music signal of a computer to a USB audio frequency decoder; the USB audio frequency decoder used for decoding the music signal transmitted by the USB audio frequency decoder to obtain the digital audio signal which is transmitted to a digital audio frequency bus switching device; the digital audio frequency bus switching device used for transmitting the digital audio signal to an audio frequency digital analog converter; the audio frequency digital analog converter used for conversing the digital audio signal to a simulation audio signal which is transmitted to an operational amplifier; the operational amplifier used for amplifying the conversed simulation audio signal and transmitting the amplified simulation audio signal to an earphone driver; and the earphone driver used for driving a hi-fi headphone connected to the mobile equipment for transmitting the amplified simulation audio signal to the hi-fi headphone; so that the hi-fi music can be played though the hi-fi headphone, external power can not be required by the users, and the usage experience of the user can be enhanced.
Description
Technical field
The utility model relates to a kind of portable terminal, relates in particular to the portable terminal of playing hi-fi music.
Background technology
In actual life, music is being played the part of a key player in the people's that are everlasting life.Usually audiophiles hope and can the music of hearing be reduced to the most original music.In life, usually through music fever equipment, CD, prime; Power amplifier, audio amplifier, line high-fidelity (HIFI) equipment such as are look at and are carried out music in enough wide place; But in this implementation,, can't satisfy common audiophiles because the cost of above-mentioned high-fidelity equipment is higher.
Thereby for realizing the audio of high-fidelity, common fans can select the ear place system of a cover high-fidelity, such as, high-fidelity headphone also can be enjoyed the music of high-fidelity through having on high-fidelity headphone.
Yet the ear place system of the high-fidelity on the market all needs the external power supply power supply, and volume is bigger, can't carry.
The utility model content
The technical problem that the utility model will solve provides a kind of portable terminal of playing hi-fi music.
The purpose of the utility model realizes through following technical scheme:
A kind of portable terminal of playing hi-fi music, said portable terminal are communicated by letter with high-fidelity headphone with computer respectively and are connected, and said portable terminal comprises: processor; The USB interface switch; The USB audio decoder, digital audio bus switch, audio digital to analog converter; Operational amplifier, headphone driver; Wherein, said USB interface switch is used under the control of said processor, the music signal of the computer that receives is switched transfer to said USB audio decoder; Said USB audio decoder is used under the control of said processor, and the music signal of said USB audio decoder transmission is decoded, and being decoded into digital audio and video signals, and said digital audio and video signals is transferred to said digital audio bus switch; Said digital audio bus switch is used under the control of said processor, said digital audio and video signals being transferred to said audio digital to analog converter; Said audio digital to analog converter is used under the control of said processor, converting digital audio and video signals to simulated audio signal, and transfers to said operational amplifier; Said operational amplifier is used under the control of said processor, the simulated audio signal after the conversion is amplified, and the simulated audio signal after will amplifying transfers to said headphone driver; Said headphone driver is used to drive the high-fidelity headphone that is connected with said mobile device, and the simulated audio signal after the said amplification is transferred to said high-fidelity headphone, to play hi-fi music through said high-fidelity headphone.
Above-mentioned sound is play the portable terminal of hi-fi music, and wherein: also comprise: USB interface is used to set up said portable terminal and is connected with the communication of said computer; Memory is used to store the type of service of the said USB interface that the user is provided with, and the type of service of said USB interface comprises music playing mode.
The portable terminal of above-mentioned broadcast hi-fi music, wherein: said USB interface switch also is used for when being connected with compunlcation, sending connection notification signal to said processor through control bus through said USB interface when detecting said mobile device.
The portable terminal of above-mentioned broadcast hi-fi music; Wherein: said processor also is used for when receiving the connection notification signal of said USB interface switch transmission; Inquire about the type of service of the USB interface of storing in the said memory, to judge that said portable terminal is whether as the playback terminal of hi-fi music.
The portable terminal of above-mentioned broadcast hi-fi music, wherein: said processor also is used for when the type of service of the USB interface stored of the said memory of inquiry is music playing mode, judging the playback terminal of said portable terminal as hi-fi music; Said USB interface switch also is used for when said processor is judged said portable terminal as the playback terminal of hi-fi music; Under the control of said processor, the music signal of the computer that will receive through said USB interface switches and transfers to said USB audio decoder.
The portable terminal of above-mentioned broadcast hi-fi music, wherein: also comprise: earphone interface is used to set up said portable terminal and is connected with the communication of said high-fidelity headphone;
Said headphone driver also is used for the simulated audio signal after the said operational amplifier amplification is further amplified; And the simulated audio signal after will amplifying transfers to said high-fidelity headphone through said earphone interface, to play hi-fi music through said high-fidelity headphone.
The portable terminal of above-mentioned broadcast hi-fi music, wherein: said portable terminal is mobile phone or panel computer.
The technical scheme that the utility model embodiment provides, with the USB interface switch, the USB audio decoder; The digital audio bus switch is integrated into the inside of portable terminal; When user's portable terminal is set to the music terminal pattern, just can be directly listen to the music of high-fidelity from computer through this portable terminal, compare with prior art; Do not need the user to carry external power supply, thereby improved user's experience.
Description of drawings
In order to be easy to explanation, the utility model is done to describe in detail by following preferred embodiment and accompanying drawing.
A kind of applied environment figure that plays the portable terminal of hi-fi music that provides for the utility model shown in Figure 1.
A kind of structure chart of playing the portable terminal of hi-fi music that the utility model shown in Figure 2 provides.
Embodiment
A kind of applied environment figure that plays the portable terminal of hi-fi music that Fig. 1 provides for the utility model.
In the present embodiment, this portable terminal 1 is connected through usb communication with computer 2 (PC), and simultaneously, this portable terminal and high-fidelity headphone 3 are connected through usb communication.
In the present embodiment, when the user need listen to the music of high-fidelity through high-fidelity headphone 3, the user can be set to the music terminal with portable terminal 1; At this moment; This portable terminal 1 communicated with computer 2 through USB be connected, at this moment, this mobile device 1 can carry out the music signal of computer 2 outputs the high-fidelity audio to be handled; And the music signal after will handling exports high-fidelity headphone 3 to and plays, thereby just can make the user hear the music of high-fidelity.
In the present embodiment, this portable terminal 1 can be mobile phone, panel computer.
A kind of structure chart of playing the portable terminal of hi-fi music that Fig. 2 provides for the utility model.
In the present embodiment, this mobile device comprises processor 20, power supervisor 21, memory 22; USB interface switch 23, USB audio decoder 24, digital audio bus switch 25, audio digital to analog converter 26; Operational amplifier 27, earphone interface 28, USB interface 29, headphone driver 30.
In the present embodiment, power supervisor 21 is processor 20 respectively, memory 22, USB interface switch 23, USB audio decoder 24; Digital audio bus switch 25, audio digital to analog converter 26, operational amplifier 27, earphone interface 28; USB interface 29, headphone driver 30 communications connect, and are used to be respectively processor 20, memory 22; USB interface switch 23, USB audio decoder 24, digital audio bus switch 25, audio digital to analog converter 26; Operational amplifier 27, earphone interface 28, USB interface 29, headphone driver 30 provides power supply.In the present embodiment, power supervisor 21 can provide power supply by battery.
In the present embodiment, processor 20 can be central processing unit, audio process, signal processor.
In the present embodiment, this mobile device is connected with compunlcation through USB interface 29, and receives the music signal of computer through USB interface 29.
In the present embodiment, 24 communications are connected USB interface switch 23 with the USB audio decoder with USB interface 29 through the usb data bus, through I
2C control bus or usb data bus are connected with processor 20 communications.In the present embodiment; The music signal of the computer that USB interface switch 23 is used for USB interface 29 is received switches between processor 20 and USB audio decoder 24; Be appreciated that for; The music signal of the computer that USB interface 29 is received transfers to processor 20, and the music signal of the computer that perhaps USB interface 29 is received transfers to USB audio decoder 24.
Processor 20 is connected with memory 22 communications through data/address bus; And communicate by letter through SPI control bus and USB audio decoder 24 and to be connected; Be used for when the USB that receives 23 transmissions of USB interface switch connects notification signal; The type of service of USB interface 29 of storage in the consults memory 22 is to judge that this portable terminal is whether as the playback terminal of hi-fi music.
In the present embodiment, if when the user needs this portable terminal as the playback terminal of hi-fi music, the type of service of USB interface 29 that can portable terminal is set to music playing mode, and is stored in memory 22.
When the type of service that inquires USB interface 29 is music playing mode; Start USB audio decoder 24 through the SPI control bus; Simultaneously; Control USB interface switch 23 is input to USB audio decoder 24 with the music signal of the computer that USB interface 29 receives, and control USB audio decoder 24 passes through I
2S voice data bus is connected with audio digital to analog converter 25 communications.
In the present embodiment, processor 20 also is used for initialization USB audio decoder 24.
In the present embodiment, USB audio decoder 24 is in the initialization of processor 20, and the music signal of the computer that USB interface 29 is received is decoded, to be decoded into I
2The S digital audio and video signals.
Processor 20 also is used for control USB audio decoder 24 I with decoding
2The S digital audio and video signals transfers to digital audio bus switch 25, simultaneously, starts and initialization digital audio bus switch 25.
Digital audio bus switch 25 is through control line and I
2S voice data bus is connected with processor 20 communications, and passes through I
226 communications are connected S voice data bus with the frequency weighted-voltage D/A converter with USB audio decoder 24 respectively, are used for the I of processor 20 with 24 outputs of USB audio decoder
2The switching of S digital audio and video signals exports audio digital to analog converter 26 to.Be appreciated that for, with the I of processor output
2The S digital audio and video signals exports audio digital to analog converter 26 to, the I that perhaps USB audio decoder 24 is exported
2The S digital audio and video signals exports audio digital to analog converter 26 to.
Digital audio bus switch 25 also is used under the control of processor 20, with the I of USB audio decoder 24 outputs
2The S digital audio and video signals exports audio digital to analog converter 26 to.
In the present embodiment, processor 20 passes through I
2C control bus initialization frequency weighted-voltage D/A converter 26.
At this moment, audio digital to analog converter 26 is used under the control of processor 20, with I
2The S digital audio and video signals converts simulated audio signal to, and under the control of processor 20, exports the simulated audio signal after the conversion to operational amplifier 27.
In the present embodiment, processor 20 also is used for starting and initialization operational amplifier 27 and headphone driver 30 through control line.
The technical scheme that the utility model embodiment provides, with the USB interface switch, the USB audio decoder; The digital audio bus switch is integrated into the inside of portable terminal; When user's portable terminal is set to the music terminal pattern, just can be directly listen to the music of high-fidelity from computer through this portable terminal, compare with prior art; Do not need the user to carry external power supply, thereby improved user's experience.
The embodiment of the above is the preferred embodiments of the utility model, is not the practical implementation scope that limits the utility model with this, and the scope of the utility model comprises and is not limited to this embodiment.All shapes according to the utility model, the equivalence variation that structure is done all comprise in the protection range of the utility model.
Claims (7)
1. a portable terminal of playing hi-fi music is characterized in that, said portable terminal is communicated by letter with high-fidelity headphone with computer respectively and is connected; Said portable terminal comprises: processor, USB interface switch, USB audio decoder; The digital audio bus switch; Audio digital to analog converter, operational amplifier, headphone driver;
Wherein, said USB interface switch is used under the control of said processor, the music signal of the computer that receives is switched transfer to said USB audio decoder;
Said USB audio decoder is used under the control of said processor, and the music signal of said USB audio decoder transmission is decoded, and being decoded into digital audio and video signals, and said digital audio and video signals is transferred to said digital audio bus switch;
Said digital audio bus switch is used under the control of said processor, said digital audio and video signals being transferred to said audio digital to analog converter;
Said audio digital to analog converter is used under the control of said processor, converting digital audio and video signals to simulated audio signal, and transfers to said operational amplifier;
Said operational amplifier is used under the control of said processor, the simulated audio signal after the conversion is amplified, and the simulated audio signal after will amplifying transfers to said headphone driver;
Said headphone driver is used to drive the high-fidelity headphone that is connected with said mobile device, and the simulated audio signal after the said amplification is transferred to said high-fidelity headphone, to play hi-fi music through said high-fidelity headphone.
2. the portable terminal of broadcast hi-fi music according to claim 1 is characterized in that: also comprise: USB interface is used to set up said portable terminal and is connected with the communication of said computer;
Memory is used to store the type of service of the said USB interface that the user is provided with, and the type of service of said USB interface comprises music playing mode.
3. the portable terminal of broadcast hi-fi music according to claim 2; It is characterized in that: said USB interface switch also is used for when being connected with compunlcation, sending connection notification signal to said processor through control bus through said USB interface when detecting said mobile device.
4. the portable terminal of broadcast hi-fi music according to claim 3; It is characterized in that: said processor also is used for when receiving the connection notification signal of said USB interface switch transmission; Inquire about the type of service of the USB interface of storing in the said memory, to judge that said portable terminal is whether as the playback terminal of hi-fi music.
5. the portable terminal of broadcast hi-fi music according to claim 4 is characterized in that:
Said processor also is used for when the type of service of the USB interface stored of the said memory of inquiry is music playing mode, judging the playback terminal of said portable terminal as hi-fi music;
Said USB interface switch also is used for when said processor is judged said portable terminal as the playback terminal of hi-fi music; Under the control of said processor, the music signal of the computer that will receive through said USB interface switches and transfers to said USB audio decoder.
6. the portable terminal of broadcast hi-fi music according to claim 1 is characterized in that: also comprise: earphone interface is used to set up said portable terminal and is connected with the communication of said high-fidelity headphone;
Said headphone driver also is used for the simulated audio signal after the said operational amplifier amplification is further amplified; And the simulated audio signal after will amplifying transfers to said high-fidelity headphone through said earphone interface, to play hi-fi music through said high-fidelity headphone.
7. the portable terminal of broadcast hi-fi music according to claim 1 is characterized in that: said portable terminal is mobile phone or panel computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220205473 CN202634685U (en) | 2012-05-09 | 2012-05-09 | Mobile terminal for playing hi-fi music |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220205473 CN202634685U (en) | 2012-05-09 | 2012-05-09 | Mobile terminal for playing hi-fi music |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202634685U true CN202634685U (en) | 2012-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220205473 Expired - Fee Related CN202634685U (en) | 2012-05-09 | 2012-05-09 | Mobile terminal for playing hi-fi music |
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| Country | Link |
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| CN (1) | CN202634685U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708082A (en) * | 2012-05-09 | 2012-10-03 | 福兴达科技实业（深圳）有限公司 | Method for playing high-fidelity music through mobile terminal, and mobile terminal for same |
| CN104967945A (en) * | 2015-06-03 | 2015-10-07 | 广东欧珀移动通信有限公司 | Headphone power amplifier and method for controlling same |
| CN105895136A (en) * | 2016-03-30 | 2016-08-24 | 乐视控股（北京）有限公司 | Audio playing method based on smart mobile terminal and sound box system |
| WO2016145813A1 (en) * | 2015-09-02 | 2016-09-22 | 中兴通讯股份有限公司 | Function using method and device, and terminal |
| CN106658282A (en) * | 2015-10-29 | 2017-05-10 | 东莞酷派软件技术有限公司 | Audio data transmission method, device, and related equipment |
| WO2019084887A1 (en) * | 2017-11-03 | 2019-05-09 | 深圳传音通讯有限公司 | Sound quality conversion method and device for audio, terminal and computer-readable storage medium |
-
2012
- 2012-05-09 CN CN 201220205473 patent/CN202634685U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708082A (en) * | 2012-05-09 | 2012-10-03 | 福兴达科技实业（深圳）有限公司 | Method for playing high-fidelity music through mobile terminal, and mobile terminal for same |
| WO2013166967A1 (en) * | 2012-05-09 | 2013-11-14 | 福兴达科技实业（深圳）有限公司 | Method for playing high-fidelity music through mobile terminal and mobile terminal thereof |
| CN104967945A (en) * | 2015-06-03 | 2015-10-07 | 广东欧珀移动通信有限公司 | Headphone power amplifier and method for controlling same |
| WO2016145813A1 (en) * | 2015-09-02 | 2016-09-22 | 中兴通讯股份有限公司 | Function using method and device, and terminal |
| CN106658282A (en) * | 2015-10-29 | 2017-05-10 | 东莞酷派软件技术有限公司 | Audio data transmission method, device, and related equipment |
| CN105895136A (en) * | 2016-03-30 | 2016-08-24 | 乐视控股（北京）有限公司 | Audio playing method based on smart mobile terminal and sound box system |
| WO2019084887A1 (en) * | 2017-11-03 | 2019-05-09 | 深圳传音通讯有限公司 | Sound quality conversion method and device for audio, terminal and computer-readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150924 Address after: 518000 areca road in Guangdong Province, Shenzhen Futian Free Trade Zone No. 6 Fuxing Building 4 floor Patentee after: Shenzhen Fuzhi Software Technology Co., Ltd. Address before: 518118 Guangdong city of Shenzhen province Pingshan North Zhu Lu Lan fuxingda Industrial Plant Factory No.1, No. two building a layer of a layer to three Patentee before: Foxda Technology Industrial (Shenzhen) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20190509 |