CN202771806U - Wireless MP3 (moving picture expert group audio layer-3) digital music player - Google Patents
Wireless MP3 (moving picture expert group audio layer-3) digital music player Download PDFInfo
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- CN202771806U CN202771806U CN 201220326060 CN201220326060U CN202771806U CN 202771806 U CN202771806 U CN 202771806U CN 201220326060 CN201220326060 CN 201220326060 CN 201220326060 U CN201220326060 U CN 201220326060U CN 202771806 U CN202771806 U CN 202771806U
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Abstract
A wireless MP3 (moving picture expert group audio layer-3) digital music player comprises a sound source module and a sound box module. Processes of sound source reading and music playing are separated. MP3 music read by the sound source module is transmitted to the sound box module in a wireless transmission manner so that wireless connection of music data is realized, and further, the music data is transmitted in an MP3 data compression manner and are decoded and amplified to display by the sound box module. Since the wireless MP3 digital music player adopts the mode of separating sound source reading from music playing, the sound source reading and the music playing are connected by means of a wireless signal channel. The sound source can read different types of data and transmit the same to different sound boxes according to needs, so that centralized management of different sound boxes and flexible and variable music playing are both realized.
Description
Technical field
The utility model relates to a kind of sound equipment electronic product of electronic information field, particularly a kind of wireles MP 3 digital music player.
Background technology
Along with the development of computing machine and wireless communication technology, Wireless Data Transmission has been applied on the electronic product more and more, as: various bluetooth equipments, wireless mouse, Wireless Keyboard etc.But the acoustics that is based on the transmission of wireless signals mode does not almost have, and main cause is: the one, and limited by wireless data transmission rate, the digital tone source data can't transmit well; The 2nd, be subjected to the restriction of simulated data load mode, be difficult to realize pairing and the control of transmitting-receiving bidirectional.Source of sound reads and is connected power amplification sound box with music and need to connects by certain line in general acoustics, and installation and arrangement that this had both limited audio amplifier have increased the expense of circuit, can't accomplish again flexile configuration and the requirement of playing as required.
Summary of the invention
The utility model provides a kind of wireles MP 3 digital music player, adopts source of sound to read and the music separate mode, utilizes wireless channel that source of sound is read with music and couples together.Source of sound can read multiple different pieces of information simultaneously, and sends to as required on the different audio amplifiers, thereby realizes centralized management and the flexile music of different audio amplifiers.
Above-mentioned purpose of the present utility model is to realize by such technical scheme: the wireles MP 3 digital music player, comprise source of sound module, sound box module, source of sound reads with music and separates, adopt wireless transmission method that the MP3 music that the source of sound module reads is sent to sound box module, realize the wireless connections of music data, described music data is with MP3 data compression form transmission, decoded and amplified broadcast by sound box module.
Described wireless transmission is made of control path and data path two classes, and the control path is used for control and the communication of source of sound module and sound box module, and data path is used for transmitting music data between source of sound module and sound box module.
Described music data transmits with the form of MP3 data compression, is decoded and is amplified broadcast by the receiving end of sound box module.
Described source of sound module can read a plurality of music files simultaneously, by different data paths, is sent to different sound box modules and plays.
Power amplifier in the described source of sound module adopts digital power amplifier, is closed by control signal.
Described source of sound module controls sound box module opens or closes power amplifier.Described source of sound module is provided with a plurality of wireless modules, and wireless module adopts different addresses and frequency of operation to distinguish.
A kind of wireles MP 3 digital music player of the utility model has saved the connection line between source of sound module and the sound box module, carries out data by wireless mode and transmits.For guaranteeing communication efficiency, data transmit with the MP3 compress mode, and audio amplifier can be installed by the restriction of source of sound putting position no longer.Owing to having broken away from line, it is corresponding one by one that source of sound and audio amplifier do not need, and can realize that one-to-many connects, and namely a source of sound connects a plurality of audio amplifiers as acceptance point, and can send different music informations to different audio amplifiers as required, realizes diversified broadcast.Owing to adopting digital communication mode, can realize mutual between source of sound and the audio amplifier, thereby function is controlled in the variations such as volume control, audio amplifier soft-off that realize audio amplifier.Because the data MP3 compression, data volume greatly reduces, and has guaranteed data-transmission efficiency, and digital signal has good antijamming capability, has guaranteed signal and music quality.
1), the MP3 source of sound reads with playback and separate, and directly transmits the MP3 music data by the wireless digital transmission mode the utility model is mainly realized following functions:; 2), can choose and play a plurality of music; 3), can specify audio amplifier to play according to address code and specify music; 4), by operations such as the volume of source of sound module controls sound box module, ON/OFF.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model source of sound modular structure block diagram.
Fig. 3 is the utility model sound box module structured flowchart.
Embodiment
The wireles MP 3 digital music player, comprise source of sound module, sound box module, source of sound reads with music and separates, adopt wireless transmission method that the MP3 music that the source of sound module reads is sent to sound box module, realize the wireless connections of music data, described music data transmits with the form of MP3 data compression, is decoded and is amplified broadcast by the receiving end of sound box module.
Described wireless transmission is made of control path and data path two classes, and the control path is used for control and the communication of source of sound module and sound box module, and data path is used for transmitting music data between source of sound module and sound box module.Described music data transmits with the form of MP3 data compression, is decoded and is amplified broadcast by receiving end.Described source of sound module can read a plurality of music files simultaneously, by different data paths, is sent to different sound box modules and plays.Power amplifier in the described source of sound module adopts digital power amplifier, can be closed by control signal.Described source of sound module can be controlled sound box module and open or close power amplifier.
The utility model wireles MP 3 digital music player, a part is the source of sound module, described source of sound module is MP3 source of sound module, is responsible for mainly that source of sound reads, the parts such as user's operation and wireless transmission form.Another part is sound box module, mainly is comprised of parts such as music reception, decoding, power amplifier and loudspeaker.MP3 source of sound module is responsible for finishing to the reading or compress of MP3 source of sound, and user interface is provided, and utilizes wireless signal and audio amplifier swap data, understands the audio amplifier position, sends wireles MP 3 data etc. to audio amplifier.Main being responsible for of audio amplifier part receives MP3 signal and the decoding that the source of sound module sends, and data decode converts music to and output after power amplifier carries out to MP3, and the response source of sound is to inquiry and the control of audio amplifier.
The groundwork process: each audio amplifier has only address code, 2.4GHz digital wireless communication module is adopted in transmission, MP3 source of sound module is linked up by digital radio path and audio amplifier, understand each audio amplifier information, the user plays Scheme Choice according to audio amplifier information, source of sound will be selected which audio amplifier source of sound is sent to according to address code, realize the multi-to-multi configuration of music and audio amplifier.
MP3 source of sound module is used for providing operation interface and management sound-box device, and each sound box module amplifies output by power amplifier after being used for receiving the MP3 data decode.In the wireless module effective range, can arrange a plurality of sound box modules, divide into groups and music according to user's request, as shown in Figure 1.
As shown in Figure 2, MP3 source of sound module is by single-chip microcomputer, external interface, and the parts such as wireless module consist of.Described MP3 source of sound module provides button and display interface take single-chip microcomputer as core component to the user, reads the MP3 music file that is stored on USB flash disk or the storage card by USB or memory card interface, and music file will send by wireless module with data packet form.Send out transmission for realization multichannel music, adopt a plurality of wireless modules, wireless module adopts different address and frequency of operation to be distinguished.
As shown in Figure 3, sound box module is by single-chip microcomputer, wireless receiving module, decoding circuit, power amplifier, address code switch, frequency divider, the formations such as loudspeaker.Described sound box module is take single-chip microcomputer as core, receive music or the control information that the source of sound module sends by radio channel, and carry out corresponding operating, when receiving control information, carry out relative set and response, when receiving music information, will deliver to and send the digital power amplifier circuit to amplify after decoding circuit is decoded, send at last sound horn.
Implementation step:
1), each MP3 source of sound module is furnished with two radio paths at least, one of them path is used for sending control information as the control path, other paths are used for sending music information as data path, the quantity of data path has determined to carry out the quantity that the music grouping is play, and a data path is supported one group of music.Fixed frequency and fixed radio communication address are adopted in control information, and this path is used for the inquiry sound box module and sends control command to sound box module.
2), each sound box module is furnished with two radio paths, one of them path is used for receiving and feedback control information as the control path, another road is used for receiving music information as data path.For distinguishing different sound box modules, each sound box module is established plucking number sign switch, and to adjust the sound box module numbering, numbering is arranged as required by the user.
3), take certain strategy for assurance system reliability service:
1., after the MP3 source of sound module start by the control path Query Information, inquire about spendable sound box module;
2., each sound box module uses the control path to report separately number information to MP3 source of sound module;
3., MP3 source of sound module can send detection information to report the position of each sound box module to sound box module by numbering;
4., the user divides into groups to sound box module, determines which sound box module plays identical music content;
5., MP3 source of sound module is organized the frequency that automatically shares out the work by instruction, and is informed each sound box module with the control path for each;
6., each sound box module receives and adjusts the data path receive frequency after the control signal, prepare to start working;
7., the user determines respectively to organize the music content that sound box module is play, beginning sends music data to sound box module;
8., sound box module send decoding circuit to begin the decoding broadcast after receiving music data.
Claims (7)
1. wireles MP 3 digital music player, comprise source of sound module, sound box module, it is characterized in that, source of sound reads with music and separates, adopt wireless transmission method that the MP3 music that the source of sound module reads is sent to sound box module, realize the wireless connections of music data, described music data is with the transmission of MP3 data compression form, decoded and amplified broadcast by sound box module.
2. described a kind of wireles MP 3 digital music player according to claim 1, it is characterized in that, described wireless transmission is made of control path and data path two classes, the control path is used for control and the communication of source of sound module and sound box module, and data path is used for transmitting music data between source of sound module and sound box module.
3. described a kind of wireles MP 3 digital music player according to claim 1 is characterized in that, described music data transmits with the form of MP3 data compression, is decoded and is amplified broadcast by the receiving end of sound box module.
4. described a kind of wireles MP 3 digital music player according to claim 1 and 2 is characterized in that, described source of sound module can read a plurality of music files simultaneously, by different data paths, is sent to different sound box modules and plays.
5. described a kind of wireles MP 3 digital music player according to claim 1 and 2 is characterized in that, the power amplifier in the described source of sound module adopts digital power amplifier, is closed by control signal.
6. described a kind of wireles MP 3 digital music player according to claim 1 and 2 is characterized in that, described source of sound module controls sound box module opens or closes power amplifier.
7. described a kind of wireles MP 3 digital music player according to claim 1 and 2 is characterized in that, described source of sound module is provided with a plurality of wireless modules, and wireless module adopts different addresses and frequency of operation to distinguish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220326060 CN202771806U (en) | 2011-11-30 | 2012-07-06 | Wireless MP3 (moving picture expert group audio layer-3) digital music player |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110388724.4 | 2011-11-30 | ||
| CN201110388724 | 2011-11-30 | ||
| CN 201220326060 CN202771806U (en) | 2011-11-30 | 2012-07-06 | Wireless MP3 (moving picture expert group audio layer-3) digital music player |
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| Publication Number | Publication Date |
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| CN202771806U true CN202771806U (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210233245.XA Active CN102760481B (en) | 2011-11-30 | 2012-07-06 | Wireles MP 3 digital music player |
| CN 201220326060 Expired - Fee Related CN202771806U (en) | 2011-11-30 | 2012-07-06 | Wireless MP3 (moving picture expert group audio layer-3) digital music player |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210233245.XA Active CN102760481B (en) | 2011-11-30 | 2012-07-06 | Wireles MP 3 digital music player |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475987A (en) * | 2013-08-30 | 2013-12-25 | 惠州市德赛西威汽车电子有限公司 | Wireless audio system and method of wireless audio system |
| TW201524224A (en) * | 2013-12-03 | 2015-06-16 | Ser Cherk Chiun | Wireless speaker system and operating method thereof |
| US9961480B2 (en) * | 2014-04-10 | 2018-05-01 | Harman International Industries, Incorporated | Automatic speaker setup |
| CN104750818B (en) * | 2015-03-30 | 2019-03-19 | Oppo广东移动通信有限公司 | Audition for the songs method, controlling terminal and system based on wireless music system |
| CN104902424B (en) * | 2015-04-07 | 2018-05-11 | 广东欧珀移动通信有限公司 | Control method, the device and system of wireless smart devices |
| CN107864432A (en) * | 2017-10-25 | 2018-03-30 | 努比亚技术有限公司 | Baffle Box of Bluetooth connection management method, terminal and computer-readable recording medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1392750A (en) * | 2002-07-05 | 2003-01-22 | 威盛电子股份有限公司 | Acoustic system with radio loudspeaker |
| US20040037433A1 (en) * | 2002-08-21 | 2004-02-26 | Heng-Chien Chen | Multi-channel wireless professional audio system |
| US20040039462A1 (en) * | 2002-08-21 | 2004-02-26 | Heng-Chien Chen | Multi-channel wireless professional audio system using sound card |
| CN2783420Y (en) * | 2005-01-20 | 2006-05-24 | 刘名艺 | Wireless autio/video player with USB interface |
| KR100879539B1 (en) * | 2007-02-27 | 2009-01-22 | 삼성전자주식회사 | Stereo supporting system of headset and method thereof |
| CN201838321U (en) * | 2010-10-09 | 2011-05-18 | 深圳市奥尼电子工业有限公司 | Multimedia playing device with function of wireless talkback |
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2012
- 2012-07-06 CN CN201210233245.XA patent/CN102760481B/en active Active
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| CN102760481A (en) | 2012-10-31 |
| CN102760481B (en) | 2016-07-27 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20130706 |