CN1825472A - Audio-frequency playing terminal - Google Patents
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Abstract
The invention discloses an audio broadcasting terminal, comprising embedded microprocessor, power supply module, network interface control module, memory module, audio driving module, key module, display module and network interface to realize independent broadcast and network unicast, downloading an refreshing, where the embedded microprocessor is used to receive and process network message to control network audio decoding and broadcasting and local network audio and picture message storage as well as transmit network audio unicast request message and help control I/O information of various user interfaces; and also comprising analog audio interface and analog audio control module to directly record and broadcast analog audio signal; and it has audio local storing and MP3 music playing functions and network audio edition and unicast functions and provides independent power supplying and network power supplying functions. And it can act as a portable audio broadcaster and a multifunctional network audio unicast terminal.
Description
Technical field
The invention belongs to the voice playing technical field, be specifically related to a kind of audio-frequency playing terminal.
Background technology
Development along with the DAB entertainment technologies, numerous powerful mp3 Play Systems have appearred in the market, having occurred simultaneously in the prior art can recording, voice playing, record personal information, record and replicating digital data, the mp3 player by internet or downloaded music file, the application for a patent for invention of Chinese patent publication number CN 1254877A discloses a kind of multi-functional Portable MP 3 player, and described this MP3 player provides the download function of a kind of MP3 of having music file and various additional informations.
The mode that this MP3 player and computing machine are used is a kind of unidirectional data transmission, lacks the multi-functional audio-frequency playing terminal that can carry out information interaction; Further, also lack a kind of multitone playback terminal networking technology frequently; Mp3 player power supply mode adopts powered battery or external dc power power supply more at present, directly passes through the network power supply mode of network extraction power supply when lacking networking; And on the other hand, existing recording technology has only carried out mould/number conversion and writing function, and lacks the instant playing function (comprising audition) of direct modeling audio frequency.
Summary of the invention
The object of the present invention is to provide a kind of audio-frequency playing terminal, this terminal has network audio point multicast function initiatively, the function that passive network refreshes and download local audio, picture resource, and independently local audio and picture resource playing function, this terminal has also realized the combination of independently-powered mode and network power supply mode.
Further purpose of the present invention is to provide a kind of have the simultaneously straight record of simulated audio signal and the audio-frequency playing terminal of playing function.
A kind of audio-frequency playing terminal provided by the invention, comprise embedded microprocessor, power module, network interface control module, memory module, audio driven module, key-press module, display module and network interface, to realize independent play-out and network program request, download and to refresh; Network interface is used for that network data between external network and the audio-frequency playing terminal is downloaded and the network of request msg is uploaded interface; The network interface control module links to each other with external network by network interface, is used for the transmission and the reception of process frames of data, to realize information interaction and the network information format conversion between embedded microprocessor and the external network; Memory module is connected with embedded microprocessor, is used for data and procedure stores; The audio driven module is used to receive by Network Transmission and the digital audio and video signals handled through embedded microprocessor, carry out D/A switch, analog filtering and volume control and treatment after, the simulated audio signal of generation drives the broadcast that earphone is finished the program request song; One end of key-press module and display module links to each other with embedded microprocessor respectively, and the other end links to each other with external user interface respectively, is used for the input and output of user interface information; Power interface is used for network connectivity and extracts power supply, the direct supply power module of the network electric power of extraction; Power module is used to provide battery independently-powered and two kinds of power supply modes of network power supply, receives the power supply from power interface, offers each module in the audio-frequency playing terminal after the conversion; Embedded microprocessor is used for the reception of the network information to be handled, finish the decoding and the Play Control of network audio, and finish the storage control of local audio, pictorial information, and finish the transmission of network audio order request information and the control that various user interface input/output informations are finished in cooperation.
Above-mentioned embedded microprocessor is finished the network browsing and the network program request of DAB according to following step:
A) embedded microprocessor receives the network file order request signal that sends by key-press module;
B) embedded microprocessor is judged above-mentioned request signal, and this conversion of signals is become the digital request signal, again it is sent to higher level's network by the network interface control module;
C) embedded microprocessor receives the voice playing information that higher level's network returns, and this voice playing information is carried out conversion process via the network interface control module earlier;
D) embedded microprocessor carries out digitized audio message extraction, parsing, synchronous and decoding to above-mentioned voice playing information, is undertaken playing by earphone after digital-to-analog conversion and the effect process by the audio driven module again.
As improvement of the present invention, audio-frequency playing terminal also comprises analog audio interface and analogue audio frequency control module; Analog audio interface is used to receive the external analog sound signal, and passes to the analogue audio frequency control module; The analogue audio frequency control module is distributed the simulated audio signal that receives, and one the tunnel directly is transferred to outside earphone, and another road carries out sending embedded microprocessor to after analog to digital conversion and the coding.
Audio-frequency playing terminal of the present invention is except being used for local storage of audio frequency and mp3 music file playing function, also expanded the network download function of current audio playback terminal, realized that the main passive network information is mutual, realized the function of network audio editor, program request, the combination and the selection function of a kind of independently-powered form and network power supply form have been realized, simultaneously, this voice frequency terminal has open external user interface form, is applicable to the application requirements of various audio-frequency playing terminals.The combination of above feature makes that this audio-frequency playing terminal not only can but also can be independent of the broadcast that network carries out various forms of audio frequency, picture in conjunction with network, the network of resource refreshes.As the equipment with independent functions of use, it is a multi-functional portable audio player, and as network application apparatus, it is again a multi-functional network audio program request terminal.
Adopt improvement project of the present invention, except finishing above function, audio-frequency playing terminal of the present invention has also been realized the straight record and the playing function of simulated audio signal, and this function can realize the management function of common signal such as speech in conjunction with special application scenario.In conjunction with this function, make audio-frequency playing terminal of the present invention be particularly suitable as the subscriber terminal equipment of the audio frequency broadcast system of multiple terminals networking, be particularly useful for the airborne entertainment systems or the boats and ships entertainment systems uses terminal as the user.
Description of drawings
Fig. 1 is the structural representation of audio-frequency playing terminal of the present invention;
Fig. 2 is the structural representation of a kind of embodiment of audio-frequency playing terminal of the present invention;
Fig. 3 is the audio-frequency playing terminal user interface diagram of embodiments of the invention;
Fig. 4 is the flow chart of the editorial management software of embodiments of the invention.
Embodiment
The present invention is further detailed explanation below in conjunction with accompanying drawing and example.
The present invention is a kind of in conjunction with network application be applied independently in the audio-frequency playing terminal of one.As shown in Figure 1, the present invention includes embedded microprocessor 40, power module 41, network interface control module 42, memory module 43, audio driven module 45, key-press module 46, display module 47 and network interface 49.When audio-frequency playing terminal 4 is in the network application state, can realize that the network of the browsing of network audio resource, network audio file location, the program request of network audio resource and local audio, picture resource refreshes; When audio-frequency playing terminal 4 adopted the independent utility mode, it can play local audio, picture resource again.
Respectively the module of respectively forming of audio-frequency playing terminal 4 is described in further detail below.
Network interface 49 downloads as the network data between external network and the audio-frequency playing terminal 4 and the network of request msg is uploaded interface.
Network interface control module 42 links to each other with external network by network interface 49, is responsible for handling the transmission and the reception of relevant ethernet data frame, to realize information interaction, the network information format conversion between embedded microprocessor 40 and the external network.Network interface control module 42 receives the data request packet that embedded microprocessor 40 is sent, and intercepts the idle condition of network line, if the free time sends to data higher level's network immediately; The audio frequency that network interface control module 42 receives from Ethernet, picture resource packet through after decoding, going frame head and address check, notify embedded microprocessor 40 to extract network datas.
Memory module 43 is used for data and procedure stores, has not only realized dynamic data storage but also realized the curing data storage, has also realized the storage of application program and operating system program.When system start-up, memory module 43 is responsible for program stored (operating system and application program etc.) is loaded in the embedded microprocessor 40; When network data flowed, embedded microprocessor 40 was transferred to memory module 43 buffer memorys with a part of data, extracted when needs and carried out continual processing, had guaranteed real-time and rapidity that voice data is play; Embedded microprocessor 40 is deposited into audio frequency and the pictorial information that network refreshes in the memory module 43, and when needs carried out this locality broadcast, embedded microprocessor 40 was handled this information extraction, play again.
The present invention can use several different storeies to constitute complete memory module 43, as adopt existing NOR-FLASH to load, start storer as program, NAND-FLASH is as the data-carrier store of storing audio, picture resource, and SDRAM is as the dynamic data buffer.
Audio driven module 45 is mainly used in D/A switch, analog filtering, volume control and earphone and amplifies.Its receives by Network Transmission and the digital audio and video signals handled through embedded microprocessor 40, carry out D/A switch, analog filtering and volume control and treatment after, the simulated audio signal of generation drives the broadcast that earphone 2 is finished the program request song.
Key-press module 46 and display module 47 are used usually, are used to control and drive the audio-frequency playing terminal 4 outside user interface information input and output of reserving.Externally, they link to each other with optional external user interface respectively; Internally, they all link to each other with embedded microprocessor 40.Display module 47 receives various sign indicating number sources and the control information that embedded microprocessors 40 import into, finishes the expansion of various logic, and control is finished audio-frequency music and various information, Ma Yuan and mail in the user interface optionally that display screen shows.Button in conjunction with the input of the keyboard in the user interface is selected, and key-press module 46 can be finished the selection of the different song information of different channel, and sends the playing request of selected song to embedded microprocessor 40.But realized the flexible configuration form of rear end audio-frequency playing terminal 4 external user interfaces by the arrangement of key-press module 46 and display module 47: both are used the equipment that allows to be similar to touch-screen and so on as user interface, and both independently use and allow user interface to be configured to display screen and keyboard associated form as required again or only be configured to user's keyboard independence input mode.Explanation for user interface will be discussed separately in the article below.
Embedded microprocessor 40 is critical components of the present invention, its essence is the integrated controller of the embedded height of a kind of monolithic, by with the interface of various peripheral peripherals, conveniently realized the network insertion of audio-frequency playing terminal 4 and the access of external unit.Its basic functions is that the reception of the network information is handled, finish the decoding and the Play Control of network audio, finish the storage control of local network audio frequency, pictorial information, and finish the transmission of network audio order request information and the control that various user interface input/output informations are finished in cooperation.
Embedded microprocessor 40 externally provides various message pick-up interfaces: it extracts wherein DAB, pictorial information by DAB, pictorial information and control information that network interface control module 42 receives in the network; Receive the local playing resource that is solidificated in its inner system program, data in buffer and curing by memory module 43, respond various program and data load requirement; Constantly scanning receives the selection signal of the user interface generation of key-press module 46 inputs, forms user's order request information.Meanwhile, embedded microprocessor 40 forms in reception with after handling various information and sends data: user's order request information data is sent to network interface control module 42, form the fixed data form that meets the procotol requirement; Give memory module 43 buffer memorys with network real-time audio data stream and the control stream distribution received; Refresh data stream is deposited into memory module 43 corresponding curing in the storer; The audio data stream of finishing dealing with sends audio driven module 45 to and handles, and drives earphone 2 and carries out the broadcast of audio-frequency music; Graphic display data stream is sent to display module 47, carry out the transmission of picture, network state, audio-frequency music attribute information and the expansion of steering logic and send.
When the network browsing that carries out DAB and nexus sowing time, audio-frequency playing terminal 4 carries out following operation: the function of browse that a) realizes network sound intermediate frequency file by key-press module 46 and display module 47 control external user interface, and the audio file of the selected program request of wanting, send network file order request signal (passing through key combination); B) embedded microprocessor 40 is judged the request signal of key-press module 46 inputs, and becomes the digital request signal to send to network interface control module 42 this conversion of signals; C) network interface control module 42 is carried out the procotol format conversion with the digital request signal that receives, and the network requests signal that converts is uploaded network by network interface 49; D) higher level's network terminal (computing machine etc.) is according to the network requests signal, the location of using editorial management software to finish the program request file automatically, and send respective audio information to audio-frequency playing terminal 4 by network; E) the network interface control module 42 of audio-frequency playing terminal 4 receives the network digital information of transferring by network interface 49; F) network interface control module 42 numerical information that will receive from network is through format conversion, and the voice data that extracts is transferred to embedded microprocessor 40 and carried out subsequent treatment; G) embedded microprocessor 40 carries out digitized audio message and extracts, resolves, synchronously, after a series of processing of decoding, DAB is transferred to audio driven module 45 carry out audio frequency digital-to-analog conversion, effect process, drives earphone 2 at last and carries out the broadcast of program request song; H) in program request song voice playing, attribute information, the file playing progress rate of the embedded microprocessor 40 optional audio files that will resolve from audio file, decode converts image information to and sends to the user interface demonstration by display module 47.The process of whole Audio on Demand is a kind of real-time play mode of DAB Streaming Media.
When audio-frequency playing terminal 4 carry out local audio, when the picture resource network refreshes, mainly take following steps: a) higher level's network terminal (computing machine) is by editorial management software, the audio frequency that will use or picture refreshing information and refresh control order are integrated into the network refreshing information, and send to audio-frequency playing terminal 4 by network; B) audio-frequency playing terminal 4 receives the network refreshing information that network passes down by network interface 49 and network interface control module 42; C) network interface control module 42 is extracted voice data and the control information in the network refreshing informations, and this information is transferred to embedded microprocessor 40 manages; D) embedded microprocessor 40 is according to the network refresh command of resolving, and control store module 43 is finished and wherein solidified refreshing of storer, finishes the curing storage of new audio frequency or image data.
No matter whether connect network, audio-frequency playing terminal 4 is all supported the broadcast of local audio, picture resource, the function of common mp3 in the independent play-out function of audio-frequency playing terminal and the prior art is identical, implementation is similar, and audio-frequency playing terminal 4 of the present invention so also can have been realized the use-pattern of portable audio player.After entering the local resource playing flow, all local resources all are in the curing storage mould device that is stored in the memory module 43.Function key in the user interface that key-press module 46 when embedded microprocessor 40 is judged the local audio broadcast receives is selected information, extract corresponding digital audio frequency and picture resource information in the memory module 43, and this digitized audio message resolved, sequence of operations such as decoding, the digitized audio message of decoding is transferred to audio driven module 45 finish D/A switch, after a series of processing such as audio frequency effect, the final earphone 2 that drives is play the local audio resource, simultaneously the attribute information of local audio song, file playing progress rate and screen protection picture are finished above information by the logical extension control of display module 47 and are optionally shown on the display screen in user interface.
Need to prove that at this network audio program request or local audio are play the path that all needs to resolve the voice playing resource, and for the local audio resource path, it does not comprise procotol and program request address.No matter be in network connection state or be in independently local broadcast state, audio-frequency playing terminal 4 all enters in the local audio play mode when the starting up automatically, automatically finish the broadcast of local audio song successively, circulation is carried out, up to manually intervening.In one embodiment, when being in network connection state, be the netcast channel by changing local broadcasting channel, audio-frequency playing terminal 4 is realized the conversion of the local address and the network address automatically.
For the ease of the network application of realization audio-frequency playing terminal 4 and the combination of independent utility, also be a key character of the present invention, audio-frequency playing terminal 4 of the present invention has been realized the combination of independently-powered mode and network power supply mode on power supply mode.Further, audio-frequency playing terminal 4 inside have also comprised power module 41.
Power module 41 is not only the power supply supplier, or the supvr of power supply.Power module 41 is the centrally connected power supply functional modules that are used to realize audio-frequency playing terminal 4, power module 41 provides battery independently-powered and two kinds of selection modes of network power supply, it can control the conversion that realizes between externally fed mode and the in-line power mode, realize the conversion of input supply voltage, thereby provide power supply for audio-frequency playing terminal 4 inner each module.(figure sound intermediate frequency playback terminal 4 square frames in reveal the type of attachment that dotted line is represented power supply).
For the network power supply mode, audio-frequency playing terminal 4 extracts power supply by two power leads of power interface 48 from network connectivity.Power supply transfer by power interface 48, the direct supply power module of extracting 41 of network electric power, audio-frequency playing terminal 4 detects the input of network power supply power supply, and carry out the conversion of network power supply and the independently-powered mode of battery, extract the network power supply power supply and carry out conversion, the step-down of power supply, respectively form the required multiple LVPS of module operate as normal thereby produce audio-frequency playing terminal 4.Network power supply seems very convenient for audio-frequency playing terminal 4 network schemers of the present invention.
Certainly, for the user who does not use network power supply, can adopt battery powered independently-powered mode.Independently-powered mode all is suitable for for the network application and the independent utility of audio-frequency playing terminal 4, and this power supply mode is necessary for independent utility.If audio-frequency playing terminal 4 detects less than the input of network power supply power supply, conversion enters in the independently-powered mode just the powering mode of audio-frequency playing terminal 4 is selected automatically, and the power supply that provides based on independently-powered mode is provided audio-frequency playing terminal 4.When audio-frequency playing terminal 4 was selected independently-powered mode, power module 41 directly received the power supply of independent power supply such as internal battery and imports, and converts the direct supply of this input to audio-frequency playing terminal 4 each module of inside required power supply.Audio-frequency playing terminal 4 can adopt various powered battery mode, as selecting the various various powered battery that are solidificated in audio-frequency playing terminal 4 inside, also can adopt common batteries implantation mode to power, can also adopt the power supply of external power adapter access way.
For multitone frequency playback terminal 4 networking technologys, each audio-frequency playing terminal 4 all is endowed a fixing network ip address that can repeat to solidify.Each audio-frequency playing terminal 4 of forming network all has a unique network ip address, and the audio-frequency playing terminal 4 with other does not produce the address repetition.Like this, after a plurality of (even up to a hundred) audio-frequency playing terminal 4 is formed the Audio on Demand network, the user just can utilize audio-frequency playing terminal 4 to carry out program request, the broadcast of Internet resources alone, network service end equipment is monitored the order request of each audio-frequency playing terminal 4 in real time, sends response audio-frequency music information to each audio-frequency playing terminal 4 concomitantly.
Above-mentioned audio-frequency playing terminal 4 has DAB network and local playing function, and as improvement of the present invention, it can also have the straight record and the playing function of simulated audio signal.As shown in Figure 2, audio-frequency playing terminal 4 also needs to increase analogue audio frequency control module 44 and analog audio interface 50.
Analogue audio frequency control module 44 is used for simulated audio signal conversion, coding and the distribution with input, is that simulated audio signal is play, the main control module of straight record.Analogue audio frequency control module 44 receives the external analog sound signal of analog audio interface 50 switchings, and directly one road simulated audio signal being transferred to the broadcast that earphone 2 drives simulated audio signal, another road simulated audio signal cooperates memory module 43 to convert digitized input signal storage the most at last by embedded microprocessor 40 after analogue audio frequency control module 44 is carried out analog to digital conversion, coding.
Analog audio interface 50 is mainly used in the input interface of simulated audio signal between input of external analog sound signal and the audio-frequency playing terminal 4.Analog audio interface 50 receives the external analog sound signals, and this simulated audio signal can come microphone, command telephone etc. freely can export the equipment of simulated audio signal (speech).The external analog sound signal is linked into audio-frequency playing terminal 4 by analog audio interface 50, and pass to the analogue audio frequency control module 44 of audio-frequency playing terminal 4, in this simulated audio signal process distribution, one tunnel distribution simulated audio signal is directly play output by earphone 2, another road is through analogue audio frequency control module 44 and embedded microprocessor 40 associating digitizings, encoding process, the DAB that forms stores in the memory module 43, thereby finishes straight record, the broadcast of simulated audio signal.DAB is directly recorded signal sequence and is stored in the memory module 43 that has other network download voice data, and can write down its audio file title automatically.
The straight record of the simulated audio signal of audio-frequency playing terminal 4, playing function seem particularly important for some special application scenarios, in an application example, the straight record of the simulating signal of audio-frequency playing terminal 4, playing function can be made the usefulness of public information management control, realize public information broadcasting, instruct, control by speech.Utilize this function, can be attached to audio-frequency playing terminal 4 in the airborne entertainment systems or in the entertainment systems peculiar to vessel.
At this, the attribute information of audio file comprises: the contents such as type of audio file name/title, audio-frequency music singer, audio file; Whether the status information of audio-frequency playing terminal 4 comprises following content: broadcast state is to stop, playing or suspend, and broadcast state is that voice playing or analogue audio frequency are directly recorded, play, and whether network is communicated with, be to carry out that Internet resources refresh etc.; Channel/the program number of audio file has been represented the locating information of file, can number navigate to relevant file according to corresponding channel program; The audio-frequency music playing progress rate has shown the playing progress rate of the audio-frequency music of current broadcast, total reproduction time, information such as residue reproduction time; Play behind the selected first broadcast of user song, if do not operate during a first song finishes playing, then audio-frequency playing terminal 4 is play the screen protection pictures automatically or is browsed the picture that is stored in audio-frequency playing terminal 4 inside automatically by LCDs 401 afterwards.
In the embodiment shown in fig. 3, it comprises 6 keys in the present invention in function key combination 420, and wherein a plurality of function keys have multiplexing functions character.The channel that is used to select the audio file broadcast as channel-402/ channel+408; Song-403/ song+407 are used to select audio-frequency music; Broadcast/Pause key 404 is used for controls playing or suspends audio-frequency music; Stop/power key 406 is used to stop broadcast/power-on, and is long by 3 seconds power-offs, during closed condition, long by starting audio-frequency playing terminal 4 in 3 seconds; Audio key 405 is used to carry out the synthetic selection of voice playing audio.Key combination in the user interface 200 of audio-frequency playing terminal 4 also can comprise option more more than option of operation shown in Figure 3 (for example channel+/-) or still less.At this, as shown in Figure 1, each key correspondence of function key combination 420 links an I/O input of key-press module 46 middle controllers in the user interface 200, and sends high-low level selection signal according to the pressing operation of button to this I/O input.
Channel+/-(408/402) connect network carry out network audio point cooperate sowing time song+/-(407/403) realize to the song in the Computerized Editing management software audio repository of networking browse, program request.In one embodiment, we are divided into several audio channels with audio repository in the editorial management software, and each channel has different audio attributes.The audio channel attribute comprises: local channel, popular song, classical masterpiece in music, army's song, English classics etc.Be provided with some head (even head up to a hundred) audio-frequency music in each audio channel.Like this by channel+/-(408/402) and song+/-(407/403) realized the location to network sound intermediate frequency song.
When audio-frequency playing terminal 4 carries out independent local audio when playing, channel+/-(408/402) just be automatically locked, and like this, just reduced corresponding mode selecting key.Automatically lock local channel at the channel of audio-frequency playing terminal 4 this moment, utilize song+/-(407/403) key realize to the audio-frequency music in audio-frequency playing terminal 4 internal storages the location, browse, play.
Utilize channel+/-(408/402) carry out channel and increase progressively and successively decrease, song+/-(407/403) carry out song and increase progressively when successively decreasing, if current just at the audio plays song, then must at first utilize this moment to stop/power key 406 stops voice playing, and system could respond the operation of other button then.
Network outlet 409: network electric power interface 48 and network interface 49 combinations are fixed in network outlet 409 places at this.It has utilized common network 8 core cable interfaces.
Analogue audio frequency jack 410 (Line in): at this analog audio interface 50 is fixed in analogue audio frequency jack 410 places, realizes the access of analogue audio frequency equipment.
The method that audio-frequency playing terminal 4 of the present invention can utilize special-purpose audio editing management software or use the file of management Network Based to carry out direct editorial management under operation system interface realizes every network function of voice playing.
Front part is discussed, and operations such as network audio order program service, Internet resources refreshing service all need the support of the editorial management software of installation in the computing machine.Fig. 4 has represented a kind of embodiment of editorial management software.At this, editorial management software has been realized the inquiry of audio-frequency playing terminal 4 various information under system master interface, realized that the networking of audio-frequency playing terminal 4 audio frequency, picture resource refreshes, realize editorial management software inhouse database audio frequency, the editor of picture resource, conversion, importing, derivation, realized the part management function and the expansion of audio-frequency playing terminal 4.At this, under query path, realized refreshing of the inquiry of various information and audio frequency, picture resource, with reference to the accompanying drawings shown in 4, in one embodiment, query path comprises song information inquiry, pictorial information inquiry, NSLOOKUP and user profile inquiry, and user profile inquiry had both realized the inquiry of the status information of audio-frequency playing terminal 4, had realized simultaneously that again the audio frequency of audio-frequency playing terminal 4 or refreshing with refreshing information of picture resource inquire about; Under edit path, realized audio editing, picture editor and audio-frequency music format conversion, and then audio frequency, the picture resource that editor finishes exported in the corresponding database file.Certainly, audio frequency, the picture resource under the editorial management software is that the audio-frequency music in other file passes through in the editorial management software import system database under the same operating system.In another embodiment, for convenience of the expansion of system, the system compiles management software is provided with the system management operation path specially, can carry out the operation of system multi-user, has realized the management of conventional system and the way to manage of AS.
Under the situation of the support that has possessed audio-frequency playing terminal 4 and hardware such as computing machine that connects and network thereof, for audio-frequency playing terminal 4 users, can adopt more convenient a kind of management edit methods, and break away from the restriction of special-purpose editorial management software.In another embodiment of the present invention, adopt following steps progressively to finish the realization of whole editorial management function:
A) management system is installed
1. IIS5.0 (if using Windows 2000 server versions, default installation when system installs) is installed.
2. the sub-component of Internet information service (IIS) is installed, is included in here web services and installation file host-host protocol (FTP) service are installed under " add " guide.
B) management system is used
1, music management mainly provides the interpolation or the modification of network audio resource content.Set up a plurality of files (as from 01～15) at the wwwroot in Inetpub path file, it is corresponding to the voice playing channel, and can add how first MP3 audio-frequency music (as song from 01～20) in the single channel.
2, file editorial management
The local song of terminal adopts the FTP mode, in an embodiment, server only needs IP to be set to " 165.108.154.1 " get final product, and the FTP root directory (ftproot) in the Inetpub path is placed the file of three bit digital after IP number of diaphone frequency playback terminal 4 down.Such as: have the IP of an audio-frequency playing terminal 4 to be set to " 165.108.154.3 ", then ftp server root directory (ftproot) should have respective file folder " L003 " down.Then under this cubbyhole, just can edit, change, import, derive operations various audio frequency, the picture resource of its storage inside.
3, resource updates
(as L003) all places the file (not being with any extension name) that a name is called " update " and reads for audio-frequency playing terminal 4 as the updating mark file under each file in the above, its content is " 1 " or for " 0 ", wherein " 1 " representative will be upgraded local song, and local song is not upgraded in " 0 " representative.
The mode of local update is: when audio-frequency playing terminal 4 starts the network connection, check updating file (update) content on the ftp server, if be designated " 1 ", MP3 on the Download Server and picture; If be " 0 ", then do not download.
Those skilled in the art can understand scope of the present invention and be not limited to above preferred embodiment, should not depart from scope of the present invention for variation and the modification that embodiment did.
Claims (3)
1, a kind of audio-frequency playing terminal, comprise embedded microprocessor (40), power module (41), network interface control module (42), memory module (43), audio driven module (45), key-press module (46), display module (47) and network interface (49), to realize independent play-out and network program request, download and to refresh;
Network interface (49) is used for that network data between external network and the audio-frequency playing terminal is downloaded and the network of request msg is uploaded interface;
Network interface control module (42) links to each other with external network by network interface (49), is used for the transmission and the reception of process frames of data, to realize information interaction and the network information format conversion between embedded microprocessor (40) and the external network;
Memory module (43) is connected with embedded microprocessor (40), is used for data and procedure stores;
Audio driven module (45) is used for receiving the digital audio and video signals that passes through Network Transmission and handle through embedded microprocessor (40), after carrying out D/A switch, analog filtering and volume control and treatment, the simulated audio signal of generation drives the broadcast that earphone (2) is finished the program request song;
One end of key-press module (46) and display module (47) links to each other with embedded microprocessor (40) respectively, and the other end links to each other with external user interface respectively, is used for the input and output of user interface information;
Power interface (48) is used for network connectivity and extracts power supply, the direct supply power module of the network electric power of extraction (41);
Power module (41) is used to provide battery independently-powered and two kinds of power supply modes of network power supply, receives the power supply from power interface (48), offers each module in the audio-frequency playing terminal after the conversion;
Embedded microprocessor (40) is used for the reception of the network information to be handled, finish the decoding and the Play Control of network audio, and finish the storage control of local audio, pictorial information, and finish the transmission of network audio order request information and the control that various user interface input/output informations are finished in cooperation.
2, terminal according to claim 1 is characterized in that: described embedded microprocessor (40) is finished the network browsing and the network program request of DAB according to following step:
A) embedded microprocessor (40) receives the network file order request signal that sends by key-press module (46);
B) embedded microprocessor (40) is judged above-mentioned request signal, and this conversion of signals is become the digital request signal, again it is sent to higher level's network by network interface control module (42);
C) embedded microprocessor (40) receives the voice playing information that higher level's network returns, and this voice playing information is carried out conversion process via network interface control module (42) earlier;
D) embedded microprocessor (40) carries out digitized audio message extraction, parsing, synchronous and decoding to above-mentioned voice playing information, is undertaken passing through earphone (2) broadcast after digital-to-analog conversion and the effect process by audio driven module (45) again.
3, terminal according to claim 1 and 2 is characterized in that: also comprise analog audio interface (50) and analogue audio frequency control module (44);
Analog audio interface (50) is used to receive the external analog sound signal, and passes to analogue audio frequency control module (44);
Analogue audio frequency control module (44) is distributed the simulated audio signal that receives, and one the tunnel directly is transferred to outside earphone (2), and another road carries out sending embedded microprocessor (40) to after analog to digital conversion, the coding.
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| CNB2006100186468A CN100573705C (en) | 2006-03-27 | 2006-03-27 | A kind of audio-frequency playing terminal |
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| CNB2006100186468A CN100573705C (en) | 2006-03-27 | 2006-03-27 | A kind of audio-frequency playing terminal |
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| CN100573705C CN100573705C (en) | 2009-12-23 |
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| CN101163115B (en) * | 2007-09-01 | 2010-07-14 | 腾讯科技（深圳）有限公司 | Method and device of opening player using network resource |
| CN102014106B (en) * | 2009-09-07 | 2013-07-17 | 永录科技股份有限公司 | Peer-to-Peer multimedia control system |
| CN103826159A (en) * | 2013-12-04 | 2014-05-28 | Tcl集团股份有限公司 | M3U8 format video local offline play method and terminal |
| CN105227987A (en) * | 2015-09-25 | 2016-01-06 | 广州视源电子科技股份有限公司 | Synchronous broadcast method and system |
| CN105702272A (en) * | 2016-01-12 | 2016-06-22 | 深圳市德赛工业研究院有限公司 | Audio play equipment |
| CN110278508A (en) * | 2010-10-02 | 2019-09-24 | 广州市智专信息科技有限公司 | A kind of audiogenic device and its control method, earphone |
| CN114545821A (en) * | 2022-02-15 | 2022-05-27 | 四川九洲空管科技有限责任公司 | Terminal control system for collecting and playing audio of airborne passenger cabin |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101163115B (en) * | 2007-09-01 | 2010-07-14 | 腾讯科技（深圳）有限公司 | Method and device of opening player using network resource |
| CN102014106B (en) * | 2009-09-07 | 2013-07-17 | 永录科技股份有限公司 | Peer-to-Peer multimedia control system |
| CN110278508A (en) * | 2010-10-02 | 2019-09-24 | 广州市智专信息科技有限公司 | A kind of audiogenic device and its control method, earphone |
| CN103826159A (en) * | 2013-12-04 | 2014-05-28 | Tcl集团股份有限公司 | M3U8 format video local offline play method and terminal |
| CN103826159B (en) * | 2013-12-04 | 2017-12-19 | Tcl集团股份有限公司 | The local offline player method and terminal of a kind of M3U8 format videos |
| CN105227987A (en) * | 2015-09-25 | 2016-01-06 | 广州视源电子科技股份有限公司 | Synchronous broadcast method and system |
| CN105702272A (en) * | 2016-01-12 | 2016-06-22 | 深圳市德赛工业研究院有限公司 | Audio play equipment |
| CN105702272B (en) * | 2016-01-12 | 2019-03-12 | 深圳市德赛工业研究院有限公司 | A kind of audio-frequence player device |
| CN114545821A (en) * | 2022-02-15 | 2022-05-27 | 四川九洲空管科技有限责任公司 | Terminal control system for collecting and playing audio of airborne passenger cabin |
| CN114545821B (en) * | 2022-02-15 | 2023-06-06 | 四川九洲空管科技有限责任公司 | Terminal control system for collecting and playing audio of airborne passenger cabin |
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