CN1937852B - Audio playing system and audio playing control method - Google Patents
Audio playing system and audio playing control method Download PDFInfo
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- CN1937852B CN1937852B CN2006101118468A CN200610111846A CN1937852B CN 1937852 B CN1937852 B CN 1937852B CN 2006101118468 A CN2006101118468 A CN 2006101118468A CN 200610111846 A CN200610111846 A CN 200610111846A CN 1937852 B CN1937852 B CN 1937852B
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Abstract
The invention relates to the audio broadcast system, including the audio broadcast equipment, audio broadcast control device, application server and mobile terminal. The invention also relates to audio broadcast control method, the mobile terminal sends audio broadcast request information to the application server; the application server produces audio broadcast control information according to the audio broadcast request information and send it to the audio broadcast control device; the audio broadcast control device sends control signal and digital audio signal according to the broadcast control information, the audio broadcast device broadcast digital audio signal according to the control signal. The invention achieves the remote control of the audio player device; communication can be realized just need power cord between the audio broadcast device and the audio broadcast control device, the users can set up audio player device conveniently; it can control audio broadcast device broadcast downloaded from the Internet or local audio data by mobile terminal; it can set remote play list to control the broadcast list content of the audio broadcast device by mobile terminal.
Description
Technical field
The present invention relates to audio frequency broadcast system and voice playing control method, especially can be by the audio frequency broadcast system and the audio frequency playing method of portable terminal control, and this audio frequency broadcast system and the audio frequency playing method audio playing apparatus and the voice playing control device that relate to.
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 line, connects dedicated signal line (as audio cable) simultaneously; Second kind of need connects power line, needs the wave point (as WLAN, bluetooth) of configure dedicated simultaneously; The third needs the dedicated signal line (as 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, such as not in same room, then be not easy to the holding wire (audio cable or USB interface) of deployment-specific, 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 transmission rate will be a greater impact.
Now, portable terminal has obtained using widely, but still not by the system and method for portable terminal control audio amplifier audio plays, can't carry out remote control operation to audio amplifier by portable terminal; Can't select the broadcast program content to the loudspeaker box device of appointment by portable terminal; Also can't tabulate by 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 at the existing in prior technology defective, audio playing apparatus, voice playing control device, audio frequency broadcast system and voice playing control method are provided, can control and transmitting audio signal audio playing apparatus by network, thereby can realize the Long-distance Control of audio playing apparatus; Only need power line 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 by the voice data of the download of portable terminal control audio playing device playing network or control device this locality; Can playlist be set by 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 by power line, be used for the electric-power wire communication signal of power line transmission is carried out demodulation, obtain control signal and/or audio signal, and to described audio amplifier output; Described audio amplifier is used for according to described control signal playing audio signal.
Wherein, described audio amplifier adaptation module and audio amplifier are provided with USB interface, and adaptation module and audio amplifier connect by USB interface; This audio amplifier adaptation module that is provided with USB interface can comprise:
Usb bus signal Ethernet adaptation module is connected with described audio amplifier, is used for the mutual conversion of ethernet signal and usb bus signal, and this usb bus signal comprises digital audio and video signals and control signal;
Power line communication modulation module, be connected with described usb bus signal Ethernet adaptation module, the ethernet signal that is used for receiving is modulated to electric-power wire communication signal by power line transmission, and the electric-power wire communication signal that receives is demodulated into ethernet signal exports to usb bus signal Ethernet adaptation module.
Described power line communication modulation module can be connected with audio amplifier by power line, and the power supply signal that will extract from electric-power wire communication signal is to the output of audio amplifier equipment, and this power supply signal is as the power supply of described audio amplifier.
The described audio amplifier adaptation module that is provided with USB interface also can comprise:
The USB power adaptation module is connected with described power line communication modulation module, uses with the power supply signal that power line communication modulation module is extracted from electric-power wire communication signal and is converted to the USB power supply signal;
The usb bus adaptation module, be connected with described USB power adaptation module and usb bus signal Ethernet adaptation module, and be connected with audio amplifier by USB interface, be used for usb bus signal and USB power supply signal are integrated, and the signal after will integrating transmits to audio amplifier by USB interface.
To achieve these goals, the present invention also provides a kind of voice playing control device, and this device comprises: control treatment module is used to receive Play Control information and digital audio and video signals, generate control signal according to Play Control information, and with audio signal and control signal output; The ethernet signal processing module is connected with described control treatment module, and the digital audio and video signals and the control signal that are used for receiving are converted to ethernet signal; Power line communication modulation module, be connected with described Ethernet adaptation module, the ethernet signal that is used for receiving is modulated to electric-power wire communication signal by power line transmission, and the electric-power wire communication signal that receives is demodulated into ethernet signal exports to the Ethernet adaptation module.
Wherein, this device also can comprise: the broadcast singal receiver module is used to receive the radio broadcasting simulated audio signal; Audio-frequency signal processing module is connected with described broadcast singal receiver module and ethernet signal processing module, is used for simulated audio signal being converted to digital audio and video signals and exporting to the Ethernet adaptation module.This device also can comprise: external communication module, be connected with described control treatment module, and be used for communicating by letter of described voice playing control device and network.This device also can comprise local storage and/or the CD-ROM drive that is connected with control treatment module, and this audio memory is used for stores audio data, and this CD-ROM drive is used for reading the voice data of CD and transmits to control treatment module.
To achieve these goals, the present invention provides a kind of audio frequency broadcast system again, comprise: audio playing apparatus, comprise audio amplifier and the audio amplifier adaptation module that is connected with audio amplifier, this audio amplifier adaptation module is used for the electric-power wire communication signal of power line transmission is carried out demodulation, obtain control signal and/or audio signal, and to described audio amplifier output; The voice playing control device, pass through power line communication with described audio playing apparatus, the audio signal that is used for receiving sends to audio playing apparatus by power line, sends to audio playing apparatus according to the Play Control information generation control signal that receives and by power line; Application server is connected by communication network with described voice playing control device, is used to provide voice data and/or Play Control information; Portable terminal is connected by communication network with described application server, is used for sending the voice playing control request to application server.
To achieve these goals, the present invention provides a kind of voice playing control method again, may further comprise the steps:
Steps A, portable terminal send the voice playing solicited message 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 described voice playing solicited message 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;
Step D, audio playing apparatus are play digital audio and video signals according to control signal.
Wherein, describedly transmit control signal and digital audio and video signals can specifically comprise to audio playing apparatus according to Play Control information:
The Play Control information that step C1, reception application server send;
Step C2, generate control signal, generate digital audio and video signals according to the identification information of voice data according to described Play Control information;
Step C3, described control signal and digital audio and video signals are converted to ethernet signal;
Step C4, ethernet signal is modulated to electric-power wire communication signal and sends to audio playing apparatus.
When the identification information of described voice data shows that the audio frequency that needs are play is the audio data file of application server for storage, and when carrying the address information of audio data file or filename, address information or filename according to audio file are downloaded the respective audio data file from application server, and audio data file is converted to the corresponding digital audio signal.When the identification information of described voice data shows audio frequency that needs are play is broadcast singal and when carrying the channel information of broadcasting, receives the simulated audio signal of corresponding channel, and simulated audio signal is converted to digital audio and video signals.When the identification information of described voice data shows that the audio frequency that needs are play is the audio data file of voice playing control device this locality, and when carrying the address information of audio data file or filename, address information or filename according to audio file are searched corresponding audio file in voice playing control device this locality, and audio data file is converted to the corresponding digital audio signal.
Described portable terminal can be by voice call, visual telephone, WAP or short message mode and application server communication.
Digital audio and video signals is play and can specifically be comprised among the described step D according to control signal:
Step D1, reception electric-power wire communication signal;
Step D2, to the electric-power wire communication signal demodulation, obtain ethernet signal;
Step D3, from ethernet signal, extract control signal and digital audio and video signals;
Step D4, play digital audio and video signals according to control signal.
Wherein, described step D4 can be specially: described digital audio and video signals is converted to simulated audio signal, and plays simulated audio signal according to control signal.
Going back portability in the solicited message in the described steps A has the identification information of portable terminal, between described steps A and step B, also can comprise: whether have control authority described audio playing apparatus according to this portable terminal of identification information judgment of described portable terminal, be execution in step B; Otherwise, end operation.
Voice playing control method of the present invention also can comprise: step e, advance or retreat by beginning, termination, the speed of portable terminal control audio playing device audio plays.Be specially: portable terminal by initiate unstructured supplementary data traffic and connect or by short message mode or by IP Multimedia System to the application server transmitting control commands, application server is converted to corresponding Play Control information with control command and is sent to the voice playing control device, and the voice playing control device is according to Play Control information audio plays; Or be specially portable terminal and beginning, termination, speed advanced or retreated control command to be sent to the voice playing control device, the voice playing control device is according to the control command audio plays.
This method also can comprise: by portable terminal playlist is set on application server, application server is sent to the voice playing control device with playlist, the voice playing control device is downloaded the digital audio file the described playlist and is converted to the corresponding digital audio signal from application server, according to described playlist control audio playback equipment audio plays.
The present invention can control and transmitting audio signal audio playing apparatus by network, thereby can realize the Long-distance Control of audio playing apparatus; Only need power line 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 by the voice data of the download of portable terminal control audio playing device playing network or control device this locality; Can playlist be set by mobile terminal remote, the control audio playback equipment is play the content of this playlist.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
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 flow chart 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 flow chart 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 LineCommunication, be called for short PLC) technology comparative maturity, the present invention utilizes the PLC technology to realize communicating to connect of audio playing apparatus and voice playing control device, thereby, only Play Control information and the voice data that needs to play need be sent to the voice playing control device, this control device just can utilize the PLC technology by supply line's transmission of control signals and audio signal, and only need power line 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.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, comprise: 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 audio 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 by power line, the audio signal that is used for receiving sends to audio amplifier adaptation module 11 by the PLC mode, sends to audio amplifier adaptation module 11 according to the Play Control information generation control signal that receives and by power line.Application server 3 is connected by 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 by 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 flow chart of the present invention, may further comprise the steps:
Steps A, portable terminal send the voice playing solicited message 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 described voice playing solicited message 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.
By technique scheme, can realize audio playing apparatus being controlled and transmitting audio signal, thereby can realize the Long-distance Control of audio playing apparatus by 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 analog 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 by power line, the PLC signal that is used for receiving 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 by power line.Ethernet adaptation module 112, be connected with PLC modulation module 111, the ethernet signal that is used for receiving is converted to digital audio and video signals and control signal, and digital audio and video signals is exported to audio amplifier to described 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 digital audio and video signals being converted to simulated audio signal and exporting to audio amplifier 12.In addition, PLC modulation module 111 can be extracted power supply signal from the PLC signal, and by power line 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 be may further comprise the steps as shown in Figure 4 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 numeral letter frequency signal directly can be sent to audio amplifier and play; If audio amplifier is only supported analog signal, then earlier digital audio and video signals is converted to analog 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, the digital audio amplifier of audio amplifier 12 for having USB interface, thus audio amplifier adaptation module 11 need not carried out the conversion of digital signal to analog signal, but ethernet signal need be converted into usb signal.PLC modulation module 111, be connected with voice playing control device 2 by power line, 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 by power line.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 the digital audio and video signals machine control signal is converted to usb bus signal format, to audio amplifier 2 outputs.
In a specific embodiment again of audio playing apparatus of the present invention, power to audio amplifier by 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, power supply signal is converted to 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 be connected with audio amplifier 12 by USB interface, usb bus signal and USB power supply signal are integrated, and the signal after will integrating by USB interface to audio amplifier 12 transmission.
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 audio 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, and the digital audio and video signals and the control signal that are used for receiving are converted to ethernet signal; PLC modulation module 23 is connected with Ethernet adaptation module 22, and the ethernet signal that is used for receiving is modulated to the PLC signal by 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 comprised as shown in Figure 8:
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 are converted to ethernet signal with control signal and digital audio and video signals 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 by power line.
The voice playing control device also can come the broadcast of control audio according to the signal that comes from remote controller 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 by 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 is converted to digital audio and video signals with simulated audio signal 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 Bo Fanging 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 the address information of audio data file or filename, 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, and audio data file is converted to the corresponding digital audio 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 simulated audio signal is converted to digital audio and video signals; When the identification information of voice data shows that the audio frequency that needs are play is the audio data file of voice playing control device this locality, and when carrying the address information of audio data file or filename, 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 audio data file is converted to the corresponding digital audio signal.
Portable terminal can be by 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 the voice playing solicited message, can whether have control authority according to this portable terminal of identification information judgment of described portable terminal to described 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 by portable terminal, for example, beginning, termination, speed are advanced or are retreated.Portable terminal is by initiating unstructured supplementary data traffic (Unstructured Supplementary Service Data, be called for short USSD) connect or by short message mode or by IP Multimedia System (IP Multimedia Subsystem, be called for short IMS) to the application server transmitting control commands, application server is converted to control command corresponding Play Control information 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.
Also can utilize the communication interface of portable terminal and voice playing control device, directly control command is sent to the voice playing control device by portable terminal, the voice playing control device is converted to control signal corresponding with control command and is sent to audio playing apparatus, thereby realizes the control to audio playing apparatus.
The user can be provided with playlist by 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 be converted to the corresponding digital audio signal, 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 illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field should be appreciated that still and can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution 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 (30)
1. audio playing apparatus, comprise audio amplifier, it is characterized in that: this device also comprises the audio amplifier adaptation module, described 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 by power line, be used for the electric-power wire communication signal of power line transmission is carried out demodulation, obtain control signal and/or audio signal, and to described audio amplifier output; Described audio amplifier is used for playing the audio signal that receives according to described control signal;
Described audio amplifier adaptation module and audio amplifier are provided with USB interface, and adaptation module and audio amplifier connect by USB interface, and the described audio amplifier adaptation module that is provided with USB interface comprises:
Usb bus signal Ethernet adaptation module is connected with described audio amplifier, is used for the mutual conversion of ethernet signal and usb bus signal, and this usb bus signal comprises digital audio and video signals and control signal;
Power line communication modulation module, be connected with described usb bus signal Ethernet adaptation module, the ethernet signal that is used for receiving is modulated to electric-power wire communication signal by power line transmission, and the electric-power wire communication signal that receives is demodulated into ethernet signal exports to usb bus signal Ethernet adaptation module.
2. device according to claim 1, it is characterized in that: described power line communication modulation module is connected with audio amplifier by power line, the power supply signal that will extract from electric-power wire communication signal is to the output of audio amplifier equipment, and this power supply signal is as the power supply of described audio amplifier.
3. device according to claim 1 is characterized in that: the described audio amplifier adaptation module that is provided with USB interface also comprises:
The USB power adaptation module is connected with described power line communication modulation module, uses with the power supply signal that power line communication modulation module is extracted from electric-power wire communication signal and is converted to the USB power supply signal;
The usb bus adaptation module, be connected with described USB power adaptation module and usb bus signal Ethernet adaptation module, and be connected with audio amplifier by USB interface, be used for usb bus signal and USB power supply signal are integrated, and the signal after will integrating transmits to audio amplifier by USB interface.
4. voice playing control device is characterized in that this device comprises:
Control treatment module is used to receive Play Control information and digital audio and video signals, generates control signal according to Play Control information, and with audio signal and control signal output;
The ethernet signal processing module is connected with described control treatment module, and the digital audio and video signals and the control signal that are used for receiving are converted to ethernet signal;
Power line communication modulation module, be connected with described Ethernet adaptation module, the ethernet signal that is used for receiving is modulated to electric-power wire communication signal by power line transmission, and the electric-power wire communication signal that receives is demodulated into ethernet signal exports to the Ethernet adaptation module.
5. device according to claim 4 is characterized in that this device also comprises:
The broadcast singal receiver module is used to receive the radio broadcasting simulated audio signal;
Audio-frequency signal processing module is connected with described broadcast singal receiver module and ethernet signal processing module, is used for simulated audio signal being converted to digital audio and video signals and exporting to the Ethernet adaptation module.
6. device according to claim 4 is characterized in that this device also comprises: external communication module, be connected with described control treatment module, and be used for communicating by letter of described voice playing control device and network.
7. according to the arbitrary described device of claim 4-6, it is characterized in that this device comprises local storage and/or the CD-ROM drive that is connected with control treatment module, this audio memory is used for stores audio data, and this CD-ROM drive is used for reading the voice data of CD and transmits to control treatment module.
8. audio frequency broadcast system is characterized in that this system comprises:
Audio playing apparatus comprises audio amplifier and the audio amplifier adaptation module that is connected with audio amplifier, and this audio amplifier adaptation module is used for the electric-power wire communication signal of power line transmission is carried out demodulation, obtains control signal and/or audio signal, and to described audio amplifier output;
The voice playing control device, pass through power line communication with described audio playing apparatus, the audio signal that is used for receiving sends to audio playing apparatus by power line, sends to audio playing apparatus according to the Play Control information generation control signal that receives and by power line;
Application server is connected by communication network with described voice playing control device, is used to provide voice data and/or Play Control information;
Portable terminal is connected by mobile communications network with described application server, is used for sending the voice playing control request to application server.
9. system according to claim 8 is characterized in that: described audio amplifier adaptation module comprises:
Audio-frequency signal processing module is connected with described audio amplifier, is used for digital audio and video signals being converted to simulated audio signal and exporting to audio amplifier;
The Ethernet adaptation module is connected with described audio-frequency signal processing module, and the ethernet signal that is used for receiving is converted to digital audio and video signals and control signal, and digital audio and video signals is exported to audio amplifier to described audio-frequency signal processing module output and with control signal;
Power line communication modulation module, be connected with described Ethernet adaptation module, the ethernet signal that is used for receiving is modulated to electric-power wire communication signal by power line transmission, and the electric-power wire communication signal that receives is demodulated into ethernet signal exports to the Ethernet adaptation module.
10. system according to claim 9, it is characterized in that: described power line communication modulation module is connected with audio amplifier by power line, the power supply signal that will extract from electric-power wire communication signal is to the output of audio amplifier equipment, and this power supply signal is as the power supply of described audio amplifier.
11. system according to claim 9 is characterized in that: described audio amplifier adaptation module and audio amplifier are provided with USB interface, and adaptation module and audio amplifier connect by USB interface.
12. system according to claim 11 is characterized in that the described audio amplifier adaptation module that is provided with USB interface comprises:
Usb bus signal Ethernet adaptation module is connected with described audio amplifier, is used for the mutual conversion of ethernet signal and usb bus signal, and this usb bus signal comprises digital audio and video signals and control signal;
Power line communication modulation module, be connected with described usb bus signal Ethernet adaptation module, the ethernet signal that is used for receiving is modulated to electric-power wire communication signal by power line transmission, and the electric-power wire communication signal that receives is demodulated into ethernet signal exports to usb bus signal Ethernet adaptation module.
13. system according to claim 12 is characterized in that: the described audio amplifier adaptation module that is provided with USB interface also comprises:
The USB power adaptation module is connected with described power line communication modulation module, uses with the power supply signal that power line communication modulation module is extracted from electric-power wire communication signal and is converted to the USB power supply signal;
The usb bus adaptation module, be connected with described USB power adaptation module and usb bus signal Ethernet adaptation module, and be connected with audio amplifier by USB interface, be used for usb bus signal and USB power supply signal are integrated, and the signal after will integrating transmits to audio amplifier by USB interface.
14. system according to claim 8 is characterized in that described voice playing control device comprises:
Control treatment module is used to receive Play Control information and digital audio and video signals, generates control signal according to Play Control information, and with audio signal and control signal output;
External communication module is connected with described control treatment module, is used for and communication;
The ethernet signal processing module is connected with described control treatment module, and the digital audio and video signals and the control signal that are used for receiving are converted to ethernet signal;
Power line communication modulation module, be connected with described Ethernet adaptation module, the ethernet signal that is used for receiving is modulated to electric-power wire communication signal by power line transmission, and the electric-power wire communication signal that receives is demodulated into ethernet signal exports to the Ethernet adaptation module.
15. system according to claim 14 is characterized in that described voice playing control device also comprises:
The broadcast singal receiver module is used to receive the radio broadcasting simulated audio signal;
Audio-frequency signal processing module is connected with described broadcast singal receiver module and ethernet signal processing module, is used for simulated audio signal being converted to digital audio and video signals and exporting to the Ethernet adaptation module.
16. according to claim 14 or 15 described systems, it is characterized in that described voice playing control device also comprises local storage and/or the CD-ROM drive that is connected with control treatment module, this audio memory is used for stores audio data, and this CD-ROM drive is used for reading the voice data of CD and transmits to control treatment module.
17. arbitrary according to Claim 8-15 described system is characterized in that described portable terminal is connected with described voice playing control device by blue tooth interface, infrared interface, USB interface or com interface.
18. a voice playing control method is characterized in that this method may further comprise the steps:
Steps A, portable terminal send the voice playing solicited message 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 described voice playing solicited message 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;
Step D, audio playing apparatus are play digital audio and video signals according to control signal.
19. method according to claim 18 is characterized in that describedly transmitting control signal and digital audio and video signals specifically comprises to audio playing apparatus according to Play Control information:
The Play Control information that step C1, reception application server send;
Step C2, generate control signal, generate digital audio and video signals according to the identification information of voice data according to described Play Control information;
Step C3, described control signal and digital audio and video signals are converted to ethernet signal;
Step C4, ethernet signal is modulated to electric-power wire communication signal and sends to audio playing apparatus.
20. method according to claim 19, it is characterized in that, the identification information of described voice data shows that the audio frequency that needs are play is the audio data file of application server for storage, and carry the address information or the filename of audio data file, the identification information according to voice data among the described step C2 generates digital audio and video signals and is specially: address information or filename according to audio file are downloaded the respective audio data file from application server, and audio data file is converted to the corresponding digital audio signal.
21. method according to claim 19, it is characterized in that, the identification information of described voice data shows that the audio frequency that needs are play is broadcast singal and the channel information that carries broadcasting, the identification information according to voice data among the described step C2 generates digital audio and video signals and is specially: receive the simulated audio signal of corresponding channel, and simulated audio signal is converted to digital audio and video signals.
22. method according to claim 19, it is characterized in that, the identification information of described voice data shows that the audio frequency that needs are play is the audio data file of voice playing control device this locality, and carry the address information or the filename of audio data file, the identification information according to voice data among the described step C2 generates digital audio and video signals and is specially: address information or filename according to audio file are searched corresponding audio file in voice playing control device this locality, and audio data file is converted to the corresponding digital audio signal.
23. method according to claim 18 is characterized in that, described portable terminal is by voice call, visual telephone, WAP or short message mode and application server communication.
24. method according to claim 18 is characterized in that, digital audio and video signals is play specifically according to control signal among the described step D comprises:
Step D1, reception electric-power wire communication signal;
Step D2, to the electric-power wire communication signal demodulation, obtain ethernet signal;
Step D3, from ethernet signal, extract control signal and digital audio and video signals;
Step D4, play digital audio and video signals according to control signal.
25. method according to claim 18 is characterized in that, described step D4 is specially: described digital audio and video signals is converted to simulated audio signal, and plays simulated audio signal according to control signal.
26. method according to claim 18, it is characterized in that, also carry the identification information of portable terminal in the solicited message in the described steps A, also comprise between described steps A and the step B: whether have control authority described audio playing apparatus according to this portable terminal of identification information judgment of described portable terminal, be execution in step B; Otherwise, end operation.
27., it is characterized in that this method also comprises according to the arbitrary described method of claim 18-26:
Step e, advance or retreat by beginning, termination, the speed of portable terminal control audio playing device audio plays.
28. method according to claim 27, it is characterized in that, described step e is specially: portable terminal by initiate unstructured supplementary data traffic and connect or by short message mode or by IP Multimedia System to the application server transmitting control commands, application server is converted to corresponding Play Control information with control command and is sent to the voice playing control device, and the voice playing control device is according to Play Control information audio plays.
29. method according to claim 26 is characterized in that, described step e is specially: portable terminal advances beginning, termination, speed or retreats control command to be sent to the voice playing control device, and the voice playing control device is according to the control command audio plays.
30. according to the arbitrary described method of claim 18-26, it is characterized in that, this method also comprises: by portable terminal playlist is set on application server, application server is sent to the voice playing control device with playlist, the voice playing control device is downloaded the digital audio file the described playlist and is converted to the corresponding digital audio signal from application server, according to described playlist control audio playback equipment audio plays.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101118468A CN1937852B (en) | 2006-08-25 | 2006-08-25 | Audio playing system and audio playing control method |
| PCT/CN2007/002004 WO2008003238A1 (en) | 2006-06-28 | 2007-06-27 | Network tv system, tv set, method for controlling tv, audio playing system and method for controlling audio playing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101118468A CN1937852B (en) | 2006-08-25 | 2006-08-25 | Audio playing system and audio playing control method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100642601A Division CN102103884B (en) | 2006-08-25 | 2006-08-25 | Audio playing device |
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| Publication Number | Publication Date |
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| CN1937852A CN1937852A (en) | 2007-03-28 |
| CN1937852B true CN1937852B (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006101118468A Active CN1937852B (en) | 2006-06-28 | 2006-08-25 | Audio playing system and audio playing control method |
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| CN102377577B (en) * | 2010-08-20 | 2015-10-21 | 中兴通讯股份有限公司 | Realize the method and system of audio broadcasting in video monitoring |
| CN102421040B (en) * | 2011-12-15 | 2015-06-17 | 上海山景集成电路股份有限公司 | USB (Universal Serial Bus)-based wireless sound box device |
| CN103391489A (en) * | 2012-05-09 | 2013-11-13 | 深圳市三诺电子有限公司 | Power carrier sound box device and control system thereof |
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| CN103248683B (en) * | 2013-04-28 | 2016-12-28 | 中国地质大学（武汉） | IOT cloud music speaker and audio data play method thereof |
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| CN104601685B (en) * | 2014-12-31 | 2019-03-12 | Oppo广东移动通信有限公司 | A kind of method for playing music and device of intelligent sound box |
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