CN102103884B - Audio playing device - Google Patents
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- CN102103884B CN102103884B CN2011100642601A CN201110064260A CN102103884B CN 102103884 B CN102103884 B CN 102103884B CN 2011100642601 A CN2011100642601 A CN 2011100642601A CN 201110064260 A CN201110064260 A CN 201110064260A CN 102103884 B CN102103884 B CN 102103884B
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Abstract
The invention relates to an audio playing device, which comprises a sound box and a sound box adaptation module, wherein the sound box is connected with the sound box adaptation module; the sound box adaptation module communicates with an audio playing control device through a power line, and is used for demodulating a power line communication signal transmitted by the power line to obtain a control signal and/or an audio signal, and outputting the control signal and/or the audio signal to the sound box; and the sound box is used for playing the received audio signal according to the control signal. Remote control over the audio playing device is realized. The audio playing device can communicate with the audio playing control device only by a power cord, so a user can conveniently set the audio playing device, controls the audio playing device to download audio data from a network or the local audio data of the control device by a mobile terminal, and remotely set a play list and control the audio playing device to play the contents of the play list by the mobile terminal.
Description
Present patent application is to submit Patent Office of the People's Republic of China on August 25th, 2006, and application number is 200610111846.8, and denomination of invention is divided an application for the one Chinese patent application of " audio frequency broadcast system and voice playing control method ".
Technical field
The present invention relates to the Audiotechnica in the communications field, relate in particular to a kind of audio playing apparatus.
Background technology
Existing audio amplifier with control audio amplifier host apparatus between three kinds of connected modes are arranged: first kind of need is connected power lead, connects dedicated signal line (like audio cable) simultaneously; Second kind of need connects power lead, needs the wave point (like WLAN, bluetooth) of configure dedicated simultaneously; The third needs the dedicated signal line (like the USB cable) of connecting band function of supplying power.The user can carry out program and select and the playing programs control operation on the main frame of control loudspeaker box device.
For existing loudspeaker box device, if between the main frame of loudspeaker box device and control loudspeaker box device certain distance is arranged,, then be not easy to the signal wire (audio cable or USB interface) of deployment-specific such as not in same room, therefore being not easy to the user is provided with audio playing apparatus.For the WLAN interface, then there is the air interference problem with near other WLAN devices.For blue tooth interface, can only be in short distance and wireless environment transmission preferably, if the main frame of audio amplifier and control audio amplifier is or not same room, and distance is above 10 meters, then transfer rate will be a greater impact.
Now, portable terminal has obtained using widely, but still not through the system and method for portable terminal control audio amplifier audio plays, can't carry out remote control operation to audio amplifier through portable terminal; Can't select the broadcast program content to the loudspeaker box device of appointment through portable terminal; Also can't tabulate through the netcast that the portable terminal customization can be play on sound system (or claiming network virtual CD).
Summary of the invention
The objective of the invention is to be directed against the existing in prior technology defective, audio playing apparatus is provided, can control and transmitting audio signal audio playing apparatus, thereby can realize the Long-distance Control of audio playing apparatus through network; Only need power lead can realize communicating by letter between audio playing apparatus and the voice playing control device, the user can be provided with audio playing apparatus easily; Can be through the voice data that portable terminal control audio playing device playing network is downloaded or control device is local; Can playlist be set through mobile terminal remote, the control audio playback equipment is play the content of this playlist.
To achieve these goals; The invention provides a kind of audio playing apparatus; Comprise audio amplifier and the audio amplifier adaptation module that is connected with audio amplifier, this audio amplifier adaptation module is communicated by letter with the voice playing control device through line of electric force, is used for the electric-power wire communication signal of power line transmission is carried out demodulation; Obtain control signal and/or sound signal, and to said audio amplifier output; Said audio amplifier is used for according to said control signal playing audio signal.
Said audio amplifier adaptation module can comprise: audio-frequency signal processing module, be connected with said audio amplifier, and be used for digital audio and video signals is converted into simulated audio signal and exports to audio amplifier; The Ethernet adaptation module is connected with said audio-frequency signal processing module, is used for converting the ethernet signal that receives into digital audio and video signals and control signal, and digital audio and video signals is exported to audio amplifier to said audio-frequency signal processing module output and with control signal; Power line communication modulation module; Be connected with said Ethernet adaptation module; Be used for the ethernet signal that receives is modulated to electric-power wire communication signal through power line transmission, and the electric-power wire communication signal that receives is demodulated into ethernet signal exports to the Ethernet adaptation module.
Said power line communication modulation module can be connected with audio amplifier through power lead, and the power supply signal that will from electric-power wire communication signal, extract is to the output of audio amplifier equipment, and this power supply signal is as the power supply of said audio amplifier.
The present invention can control and transmitting audio signal audio playing apparatus through network, thereby can realize the Long-distance Control of audio playing apparatus; Only need power lead can realize communicating by letter between audio playing apparatus and the voice playing control device, the user can be provided with audio playing apparatus easily; Can be through the voice data that portable terminal control audio playing device playing network is downloaded or control device is local; Can playlist be set through mobile terminal remote, the control audio playback equipment is play the content of this playlist.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is an audio frequency broadcast system structural representation of the present invention;
Fig. 2 is a voice playing control method process flow diagram of the present invention;
Fig. 3 is a specific embodiment structural representation of audio playing apparatus of the present invention;
Fig. 4 is the method flow diagram of digital audio and video signals being play according to control signal of voice playing control method of the present invention;
Fig. 5 is another specific embodiment structural representation of audio playing apparatus of the present invention;
Fig. 6 is an audio playing apparatus of the present invention specific embodiment structural representation again;
Fig. 7 is voice playing control device one a specific embodiment structural representation of the present invention;
Fig. 8 is an audio playing apparatus signal processing method process flow diagram of the present invention;
Fig. 9 is another specific embodiment structural representation of voice playing control device of the present invention.
Embodiment
Supply line is one of the network the most widely that distributes; And power line communication (Power Line Communication; Be called for short PLC) technology comparative maturity, the present invention utilizes the PLC technology to realize that audio playing apparatus is connected with the communication of voice playing control device, thereby; Only need Play Control information and the voice data that needs to play be sent to the voice playing control device; This control device through supply line's transmission of control signals and sound signal, and only needs power lead can realize communicating by letter between audio playing apparatus and the voice playing control device with regard to PLC capable of using technology, and the user can be provided with audio playing apparatus easily.But the present invention is not limited to utilize the PLC technology to realize communicating by letter of audio playing apparatus and voice playing control device, also can adopt other transmission technologys.
As shown in Figure 1, be audio frequency broadcast system structural representation of the present invention, comprising: audio playing apparatus 1, voice playing control device 2, application server 3 and portable terminal 4.Audio playing apparatus 1 comprises audio amplifier 12 and the audio amplifier adaptation module 11 that is connected with audio amplifier 12, and audio amplifier adaptation module 11 is used for the electric-power wire communication signal of power line transmission is carried out demodulation, obtains control signal and/or sound signal, and to audio amplifier 12 outputs.Audio playing apparatus 1 has unique identification information, thereby 2 grades of application servers 3 of voice playing control device can pass through the unique definite audio playing apparatus 1 of this identification information.Voice playing control device 2; Communicate by letter with the audio amplifier adaptation module 11 of audio playing apparatus 1 through line of electric force; Be used for the sound signal that receives is sent to audio amplifier adaptation module 11 through the PLC mode, send to audio amplifier adaptation module 11 according to the Play Control information generating control signal that receives and through line of electric force.Application server 3 is connected through communication network with voice playing control device 12, is used to provide voice data and/or Play Control information; Portable terminal 4 inserts application server through the mobile network, is used for sending the voice playing control request to application server.
As shown in Figure 2, be voice playing control method process flow diagram of the present invention, may further comprise the steps:
Steps A, portable terminal send audio playing request information to application server, carry the identification information of audio playing apparatus and the identification information of the voice data that request is play in this solicited message at least;
Step B, application server generate Play Control information according to said audio playing request information and send to the voice playing control device, carry the identification information of voice data in this Play Control information;
Step C, voice playing control device transmit control signal and digital audio and video signals to audio playing apparatus according to Play Control information, and signal transmits with the PLC carrier system;
Step D, audio playing apparatus carry out demodulation to the PLC carrier signal that receives, and according to control signal digital audio and video signals are play.
Through technique scheme, can realize audio playing apparatus being controlled and transmitting audio signal, thereby can realize the Long-distance Control of audio playing apparatus through supply network.
As shown in Figure 3, be a specific embodiment structural representation of audio playing apparatus of the present invention.Audio amplifier 12 is handled simulating signal only.Audio amplifier adaptation module 11 comprises PLC modulation module 111, Ethernet adaptation module 112 and audio-frequency signal processing module 113.PLC modulation module 111; Be connected with voice playing control device 2 through line of electric force; Be used for the PLC signal that receives is demodulated into ethernet signal to Ethernet adaptation module 112 output, and the ethernet signal that receives is modulated to the PLC signal sends to voice playing control device 2 through line of electric force.Ethernet adaptation module 112; Be connected with PLC modulation module 111; Be used for converting the ethernet signal that receives into digital audio and video signals and control signal, digital audio and video signals is exported to audio amplifier to said audio-frequency signal processing module output and with control signal; Audio-frequency signal processing module 111 is connected with audio amplifier 12, is used for converting digital audio and video signals into simulated audio signal and to audio amplifier 12 output.In addition, PLC modulation module 111 can be extracted power supply signal from the PLC signal, and through power lead this signal is exported to audio amplifier 12, as the usefulness of audio amplifier 12 power supplies.
When audio playing apparatus adopts the structure of the foregoing description, digital audio and video signals is play and can as shown in Figure 4ly be may further comprise the steps among the step D according to control signal:
Step D1, PLC modulation module receive the PLC signal;
Step D2, PLC modulation module obtain ethernet signal and are sent to the Ethernet adaptation module the demodulation of PLC signal;
Step D3, Ethernet adaptation module extract control signal and digital audio and video signals from ethernet signal, control signal is sent to audio amplifier; If audio amplifier is supported digital signal, then can numeral letter frequency signal directly be sent to audio amplifier and play; If an audio amplifier stent analog signal then earlier converts digital audio and video signals into simulating signal, send it to audio amplifier again and play;
Step D4, audio amplifier are play digital audio and video signals or the simulated audio signal that receives according to control signal.
In another specific embodiment of audio playing apparatus of the present invention, adopt USB interface to connect audio amplifier adaptation module 11 and audio amplifier 12.As shown in Figure 5, be the present embodiment structural representation, audio amplifier 12 is the digital audio amplifier with USB interface, thus audio amplifier adaptation module 11 need not carried out the conversion of digital signal to simulating signal, but need ethernet signal be converted into usb signal.PLC modulation module 111; Be connected with voice playing control device 2 through line of electric force; The PLC signal that receives is demodulated into ethernet signal to Ethernet adaptation module 112 output, and the ethernet signal that receives is modulated to the PLC signal sends to voice playing control device 2 through line of electric force.Usb bus signal Ethernet adaptation module 114; Be connected with PLC modulation module 111; Be used for the mutual conversion of ethernet signal and usb bus signal; To from the ethernet signal that receives, extract digital audio and video signals and control signal, and convert the digital audio and video signals machine control signal into usb bus signal format, to audio amplifier 2 outputs.
In a specific embodiment again of audio playing apparatus of the present invention, supply power to audio amplifier through USB interface.As shown in Figure 6, be the present embodiment structural representation.PLC modulation module 111 except this signal being demodulated into ethernet signal to 112 outputs of Ethernet adaptation module, also will be exported to USB power adaptation module 115 as the power supply signal of carrier wave after receiving the PLC signal; USB power adaptation module 115 is connected with PLC modulation module 111, converts power supply signal into the USB power supply signal and to usb bus adaptation module 116 output; Usb bus adaptation module 116; Be connected with USB power adaptation module 115 and usb bus signal Ethernet adaptation module 114; And is connected with audio amplifier 12 through USB interface, usb bus signal and USB power supply signal are integrated, and the signal after will integrating passes through USB interface and transmits to audio amplifier 12.
As shown in Figure 7; Be voice playing control device one specific embodiment structural representation of the present invention, comprising: control treatment module 23 is used to receive Play Control information and digital audio and video signals; Generate control signal according to Play Control information, and with sound signal and control signal output; External communication module 24 is connected with control treatment module 23, is used for and communication, thereby realizes and the communicating by letter of application server; Ethernet signal processing module 22 is connected with control treatment module 23, is used for converting digital audio and video signals that receives and control signal into ethernet signal; PLC modulation module 23 is connected with Ethernet adaptation module 22, is used for the ethernet signal that receives is modulated to the PLC signal through power line transmission, and the PLC signal that receives is demodulated into ethernet signal to 22 outputs of Ethernet adaptation module.
When audio playing apparatus adopted the structure of the foregoing description, its signal processing flow was as shown in Figure 8, comprising:
Step C1, external communication module receive the Play Control information that application server sends, and send it to control treatment module;
Step C2, control treatment module generate control signal according to Play Control information, generate digital audio and video signals according to the identification information of voice data, and control signal and digital audio and video signals are sent to the ethernet signal processing module;
Step C3, ethernet signal processing module convert control signal and digital audio and video signals into ethernet signal and are sent to PLC modulation module;
Step C4, PLC modulation module are modulated to the PLC signal with ethernet signal and send to audio playing apparatus through line of electric force.
The voice playing control device also can come the broadcast of control audio according to the signal that comes from telepilot or directly come from the control signal of portable terminal rather than come from network, at this moment, does not then need external communication module.For example, portable terminal can be communicated by letter with the voice playing control device through blue tooth interface, infrared interface, USB interface or com interface, sends the voice playing signal to the voice playing control device.
In another specific embodiment of voice playing control device of the present invention, added the function of receiving broadcast signal.As shown in Figure 9, be the present embodiment structural representation, on the basis of a last embodiment, added broadcast singal receiver module 25 and audio-frequency signal processing module 26.Broadcast singal receiver module 25 is used to receive the radio broadcasting simulated audio signal, and simulated audio signal is sent to audio-frequency signal processing module 26; Audio-frequency signal processing module 26 converts simulated audio signal into digital audio and video signals and exports to Ethernet adaptation module 22.
The voice playing control device also can comprise local storage and/or the CD-ROM drive that is connected with control treatment module; This audio memory is used for stores audio data; This CD-ROM drive is used for reading the voice data of CD and to the control treatment module transmission, the voice playing control device can be sent to the voice data in local storage and/or the CD-ROM drive audio playing apparatus and play.
The difference of the audio frequency of playing as required, audio frequency controls playing device can be sought corresponding audio-source.When the identification information of voice data shows that the audio frequency that needs are play is the audio data file of application server for storage; And when carrying address information or the filename of audio data file; Audio frequency controls playing device can be downloaded the respective audio data file from application server according to the address information or the filename of audio file, converts audio data file into the corresponding digital sound signal; When the identification information of voice data shows audio frequency that needs are play is broadcast singal and when carrying the channel information of broadcasting; Audio frequency controls playing device can receive the simulated audio signal of corresponding channel according to the channel information of broadcasting, and converts simulated audio signal into digital audio and video signals; When the identification information of voice data shows that the audio frequency that needs are play is the local audio data file of voice playing control device; And when carrying address information or the filename of audio data file; Because of the frequency broadcast control device can be searched corresponding audio file in voice playing control device this locality according to the address information or the filename of audio file, and convert audio data file into the corresponding digital sound signal.
Portable terminal can be through voice call, visual telephone, WAP or short message mode and application server communication.Can in solicited message, carry the identification information of portable terminal; After application server receives audio playing request information; Can whether have control authority according to this portable terminal of identification information judgment of said portable terminal to said audio playing apparatus; If portable terminal has corresponding authority, then carry out follow-up flow process, generate Play Control information and send to the voice playing control device; If portable terminal does not have corresponding authority, then end operation.
The play operation that can come the control audio playing device to the application server transmitting control commands through portable terminal, for example, beginning, termination, speed are advanced or are retreated.Portable terminal is through initiating unstructured supplementary data traffic (Unstructured Supplementary Service Data; Be called for short USSD) connect or through short message mode or through IP Multimedia System (IP Multimedia Subsystem; Be called for short IMS) to the application server transmitting control commands; Application server converts control command corresponding Play Control information into and is sent to the voice playing control device; The voice playing control device is that control signal corresponding is sent to audio playing apparatus with the Play Control information translation, thereby realizes the control to audio playing apparatus.
The communication interface of portable terminal also capable of using and voice playing control device; Directly control command is sent to the voice playing control device through portable terminal; The voice playing control device converts control command into control signal corresponding and is sent to audio playing apparatus, thereby realizes the control to audio playing apparatus.
The user can be provided with playlist through portable terminal on application server; Application server is sent to the voice playing control device with playlist; The voice playing control device from application server downloading and playing tabulation digital audio file and convert the corresponding digital sound signal into, and according to playlist digital audio and video signals is sent to audio playing apparatus and plays.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although with reference to preferred embodiment the present invention has been carried out detailed explanation, the those of ordinary skill in affiliated field should be appreciated that still can specific embodiments of the invention makes amendment or the part technical characterictic is equal to replacement; And not breaking away from the spirit of technical scheme of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (2)
1. audio playing apparatus; Comprise audio amplifier, it is characterized in that: this device also comprises the audio amplifier adaptation module, and said audio amplifier is connected with the audio amplifier adaptation module; This audio amplifier adaptation module is communicated by letter with the voice playing control device through line of electric force; Be used for the electric-power wire communication signal of power line transmission is carried out demodulation, obtain control signal and/or sound signal, and to said audio amplifier output; Said audio amplifier is used for playing the sound signal that receives according to said control signal;
Said audio amplifier adaptation module comprises:
Audio-frequency signal processing module is connected with said audio amplifier, is used for digital audio and video signals is converted into simulated audio signal and exports to audio amplifier;
The Ethernet adaptation module is connected with said audio-frequency signal processing module, is used for converting the ethernet signal that receives into digital audio and video signals and control signal, and digital audio and video signals is exported to audio amplifier to said audio-frequency signal processing module output and with control signal;
Power line communication modulation module; Be connected with said Ethernet adaptation module; Be used for the ethernet signal that receives is modulated to electric-power wire communication signal through power line transmission, and the electric-power wire communication signal that receives is demodulated into ethernet signal exports to the Ethernet adaptation module.
2. audio playing apparatus according to claim 1; It is characterized in that: said power line communication modulation module is connected with audio amplifier through power lead; The power supply signal that will from electric-power wire communication signal, extract is to the output of audio amplifier equipment, and this power supply signal is as the power supply of said audio amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100642601A CN102103884B (en) | 2006-08-25 | 2006-08-25 | Audio playing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100642601A CN102103884B (en) | 2006-08-25 | 2006-08-25 | Audio playing device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006101118468A Division CN1937852B (en) | 2006-06-28 | 2006-08-25 | Audio playing system and audio playing control method |
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| CN102103884A CN102103884A (en) | 2011-06-22 |
| CN102103884B true CN102103884B (en) | 2012-07-04 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9703471B2 (en) * | 2012-11-06 | 2017-07-11 | D&M Holdings, Inc. | Selectively coordinated audio player system |
| CN102945575A (en) * | 2012-11-19 | 2013-02-27 | 李凯 | Method and system for giving out prompt sound during unlocking |
| CN103096306B (en) * | 2012-12-26 | 2016-05-04 | 宋少鹏 | Audio frequency playing method and system |
| CN104581599B (en) * | 2014-12-30 | 2018-11-27 | 歌尔股份有限公司 | A kind of method and system that multiple speakers are played simultaneously |
| CN104639545A (en) * | 2015-01-30 | 2015-05-20 | 深圳思考软件有限公司 | Method and equipment for simultaneous transmitting of audio signal and control signal through Bluetooth audio module |
| CN105654973B (en) * | 2015-12-22 | 2019-03-01 | 深圳创维数字技术有限公司 | A kind of audio file processing method and system |
| CN107846619A (en) * | 2017-10-18 | 2018-03-27 | 宁波翼动通讯科技有限公司 | A kind of audio stream control method for playing back, mobile terminal and remote control |
| CN207766527U (en) * | 2018-01-11 | 2018-08-24 | 歌尔丹拿音响有限公司 | Audio conversion devices and multitone acoustic system |
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| CN1558565A (en) * | 2004-01-16 | 2004-12-29 | 雅迪发展有限公司 | Power line transmission digital multiple track speaker system |
| US20050015805A1 (en) * | 2003-07-17 | 2005-01-20 | Sony Corporation | Power line home network |
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| US20040177167A1 (en) * | 2003-03-04 | 2004-09-09 | Ryuichi Iwamura | Network audio systems |
| US20050015805A1 (en) * | 2003-07-17 | 2005-01-20 | Sony Corporation | Power line home network |
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