CN1893357A - System and method for switching over automatically among multiple group network tranceivers - Google Patents

System and method for switching over automatically among multiple group network tranceivers Download PDF

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Publication number
CN1893357A
CN1893357A CNA2005100803580A CN200510080358A CN1893357A CN 1893357 A CN1893357 A CN 1893357A CN A2005100803580 A CNA2005100803580 A CN A2005100803580A CN 200510080358 A CN200510080358 A CN 200510080358A CN 1893357 A CN1893357 A CN 1893357A
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China
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radio station
network radio
described network
link
media
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CNA2005100803580A
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Chinese (zh)
Inventor
翁世雄
许优妮
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Inventec Corp
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Inventec Corp
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Priority to CNA2005100803580A priority Critical patent/CN1893357A/en
Publication of CN1893357A publication Critical patent/CN1893357A/en
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Abstract

The method for automatic switching networked broadcasting station (NBS) in multiple sets includes steps: loading a list of NBS setup by user in advance; reading link of server of a NBS in highest priority; connecting to the said NBS, and calculating online time connected to server of NBS; when connected online time exceeds a time setup, disconnecting the current connection and loading link of a NBS in next priority, and executing connection. When abnormal interruption of audio stream data takes place in connection, the invention will automatic connect NBS in next priority so that user does not need to carry out switch manually as well as does not need to test list of NBS to determine whether connection is existed or not.

Description

The system and method that in many group networks radio station, automaticallyes switch
Technical field
The present invention relates to a kind of system and method for listening to many group networks radio station, when particularly a kind of audio stream data when network radio station is unusual, the system and method that can switch automatically according to the priority that sets in the inventory.
Background technology
Because science and technology is advanced by leaps and bounds, network technology is brought in constant renewal in, and adds the quick progress of audio-visual compress technique, has more quickened the digitized step of content of multimedia.These technical breakthroughs make audio and video information to spread through the internet fast.Just because of this, audio-visual technology becomes many new focuses of being gazed at soon, be subjected to the favor of audio-visual media (as broadcasting, TV), because strength by network, these audio-visual medias are when broadcasting image and sound program, many again new pipelines, and do not have regional restriction, make the network audio-video world development active rapidly.
This also comprises on-the-spot image and sound program record and broadcast, cause the network media to be used and cause gazing at of audio-visual media once again because as the programm broadcasting scope of these traditional audio-visual medias such as broadcasting, TV, can enlarge its communication sphere because of Network Transmission.In addition, for the people of the audio-visual service of those interesting managing networks (as network cinema, Network TV Station, network radio station), set up expense and traditional audio-visual related industry and compare low a lot really.
Because the continuous lifting of audio-visual technology, and the online expense of broadband network constantly descends, and increasing user is ready to select broadband network to be used as online mode, and thus, the feasibility that just makes image and sound program play on network greatly promotes.
Transmit the program except utilizing radio broadcasting mode originally in many broadcasting stations, also set up the media stream server one after another, mode by the network transmission, the quality of listening to is no longer because of residing environment crested thing barrier, perhaps because of the wireless quality used difference to some extent, more no longer be confined to can only uppick this locality broadcast program, as long as in the place that network is arranged, configure and want the program of radio station listened to, the user utilizes browser to connect this website, when listening to certain video content, the website can utilize data flow (Stream) mode that video content is passed to the computer of user side, and selected visual and sound effects can be seen and hear to arrange in pairs or groups the again playout software of appointment of user just.
With different in the past be, the video content that is sent to user side needn't wait until download fully and file after just can begin to play, but take the mode broadcast while passing, this broadcast mode can be saved the time that the user waits for that video/audio archive is downloaded, in case when thinking that play content is not excellent, can interrupt transmitting content at any time, the multimedia video that makes is used on the network more universal.
Yet; because the instability of network quality; adding in recent years, hacker's (hacker) technology constantly promotes; usually can be subjected to attack provocation in some website; even cause information service provider (ISP) overall operation to be paralysed; therefore the receiving network broadcast radio station meets through regular meeting and connects the situation of interrupting; or it is still normal in the connection of this network radio station for the previous period; but the back is just changed link address for no reason later; the user must need to look for again once more network address; perhaps switch the address of liking by manual input, radio station, quite inconvenient.
Summary of the invention
In view of above problem, main purpose of the present invention is to provide a kind of system and method that automaticallyes switch in many group networks radio station, the user need not manually be switched after network radio station connects interruption, also needn't carry out its connection of manual test and whether exist the network radio station inventory.
For achieving the above object, the invention provides a kind of system that in many group networks radio station, automaticallyes switch, comprising:
One mixed-media network modules mixed-media is used for being connected to a plurality of network radio station servers by the internet, and downloads the audio stream data of described network radio station server;
One timing module is used to calculate the time that described mixed-media network modules mixed-media and described network radio station server connect;
One access module is used for the described audio stream data that the described mixed-media network modules mixed-media of buffer memory is transmitted;
One network radio station inventory is used to note down the link of described network radio station server and plays priority; And
One control module is used for when described mixed-media network modules mixed-media connects described network radio station server and surpasses a setting-up time, in the time of maybe can't receiving described effective audio stream data, interrupts connecting at present and the network radio station link that loads next priority connects.
In order better to realize above-mentioned purpose, the present invention also provides a kind of method that can automatically switch in many group networks radio station, comprise the following step:
Load a network radio station inventory;
Read the link of the highest network radio station server of priority;
Be connected to described network radio station server and calculate and connect the online time that described network radio station server is spent; And
The described online time interrupts connecting at present and loading the network radio station link of next priority, and connects after surpassing a setting-up time.
Network radio station inventory of the present invention, the user can comprise the steps: by manually importing the mode of setting up
Receive the link of the described network radio station server of user's input;
Be connected to described network radio station server;
Judge the correctness of described network radio station server link;
Store correct described network radio station server link; And
Set the priority of described network radio station server.
Another kind is set up the mode of network radio station inventory, then is to import the network radio station lists of links, sets up to comprise the following step:
Receive described network radio station lists of links;
Detect the correctness of the link of network radio station server described in the described network radio station lists of links;
Indicate invalid described network radio station server link;
Set the priority of described network radio station server; And
Store described network radio station inventory.
The system and method that can in many group networks radio station, automatically switch of the present invention, by reading the pre-set network radio station inventory of user, when the audio stream data generation aborted in the connection, the network radio station of next priority that can be dynamically connected certainly, the user need not have no progeny in network radio station connects, manually switch voluntarily, also needn't carry out its connection of manual test and whether exist the network radio station inventory, very convenient.
Description of drawings
Fig. 1 is a system architecture diagram of the present invention;
Fig. 2 a is the network radio station lists of links schematic diagram of the embodiment of the invention;
Fig. 2 b is the network radio station inventory schematic diagram of the embodiment of the invention;
Fig. 3 manually sets up the method flow diagram of network radio station inventory for the present invention;
Fig. 4 sets up the flow chart of network radio station inventory by load networks radio station lists of links for the present invention; And
Fig. 5 is a method flow diagram of the present invention.
Wherein, Reference numeral is as follows:
110 mixed-media network modules mixed-medias, 120 control modules
130 network radio station inventories, 135 network radio station lists of links
140 internets, 150 access modules
160 timing modules, 172 network radio station servers
174 network radio station servers
Step 310 receives the network radio station network address of setting
Step 320 is connected to this network radio station and receives audio stream data
Does step 330 judge whether audio stream data online successful?
Step 340 adds this network radio station network address in playing list
Step 350 is set the priority of this network radio station in inventory
Step 410 receives a network radio station lists of links
Does step 420 detect each network radio station and connect?
Step 430 shows invalid network radio station link
Step 440 is set the priority that network radio station connects in the inventory
Step 450 stores and has finished the network radio station inventory that detects and set priority
Step 510 selects the highest network radio station network address of priority to load
Step 520 is connected to this network radio station according to this network address
Is is step 530 judged and received data in the certain hour?
Step 540 is interrupted present connection and is loaded the network radio station network address of next priority
The network packet that step 550 buffer memory the is received row decoding of going forward side by side
Does step 560 judge whether the package into audio stream data?
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
The present invention will disclose a kind of system and method that automaticallyes switch in many group networks radio station.Figure 1 shows that system architecture diagram of the present invention, mixed-media network modules mixed-media 110 can be the mode of cable network, for example use ADSL (Asymmetric Digital Subscriber Line) (ADSL, asymmetric digital subscriber line), modulator-demodulator (modem, modulator-demodulator), cable modem (cable modem) etc., or the mode of wireless network, as: whole packet wireless business (GPRS, General Packet Radio Service), WLAN (wireless local area network) (WLAN, wireless local area network) (802.11x), 3G (WCDMA), WiMAX modes such as (802.16x), this mixed-media network modules mixed-media 110 connects with internet 140, and the user data package communications protocol (UDP that transmits on the reception network, User Datagram Protocol), transmission control protocol (TCP, Transmission Control Protocol), HTML (Hypertext Markup Language) (HTTP, hypertext transferprotocol) etc. packet also can be downloaded the network radio station lists of links 135 shown in Fig. 2 a.
In the present invention, the data that mixed-media network modules mixed-media 110 is received are the audio stream data from network radio station server 172,174, so-called flow data is exactly to use the multimedia file of stream technology in transmission over networks, and the stream technology is exactly that continuous image and acoustic information are put the webserver after overcompression is handled, allow the user download, to listen on one side, and whole compression shelves such as do not need to download to the network transmission technology that just can watch behind the own machine.This technology is set up earlier a buffering area on the computer of user side, before broadcast, download one piece of data in advance as buffering, when the actual online speed of network when playing the speed that is consumed, playing program will be taken the data in this a bit of buffering area, avoids the interruption of playing.
And the foundation of network radio station server 172,174 generally can be the particular server that flow transmission needs, as QuickTime Streaming Server, Real Server, Microsoft Media Server.Again the collocation as: RTP (RTP, Real-time Transport Protocol), RTCP Real-time Transport Control Protocol (RTSP, Real Time Streaming Protocol) or Microsoft's multimedia server ad hoc network agreements such as (MMS, MicrosoftMedia Server) realize.The mode of playing also can be divided into clean culture (unicast), multicast (multicast), program request (Peer-to-Peer), broadcasting modes such as (Broadcast), depends on conditions such as can the bandwidth that be consumed and user control.
Timing module 160 can be used for calculating the online time, generally all return basic input output system (BIOS) regulatory limits, approximately can reach per 55 milliseconds and send a timing signal to central processing unit (CPU), central processing unit comes computing time according to timing signal again, for example when mixed-media network modules mixed-media 110 begins to carry out network radio station online, just can begin to calculate the online time that is spent, after waiting to surpass the time restriction of setting, just control is interrupted online.
Access module 150 is the random access memory (RAM in the computer executable platform, RandomAccess Memory), as DRAM (Dynamic Random Access Memory) (DRAM, Dynamic Random AccessMemory), EDO DRAM (Extend Data Out Dynamic Random Access Memory), RDRAM (Rambus DRAM), SDRAM (Synchronous Dynamic RAM), VCMSDRAM (Virtual Channel Memory SDRAM) reaches the Double Data Rate (DDR that has become the market mainstream recently, Double Date Rate) SDRAM or the like is used for the buffer memory as mixed-media network modules mixed-media 110 audio stream data that receives.
Control module 120 then is central processing unit (CPU, Central ProcessingUnit) for hardware, is used to judge the online time that spends of network radio station, and then whether decision is interrupted online; Because shared bandwidth when saving transfer of data, therefore network radio station server 172,174 is when propagating into internet 140 with audio signal, can compress to save data quantity transmitted data earlier, therefore mixed-media network modules mixed-media 110 is after the audio stream data that will transmit deposits access module 150 in, control module 120 also must be deciphered institute's data in buffer in the access module 150, judges whether to be normal audio stream data; Receive the network radio station inventory 130 that the user sets, become network radio station inventory 130 if make an amendment by network radio station lists of links 135, then detect one by one, make a sign for the link that can't connect, and receive the priority that the user gave at each network radio station link in the tabulation.
Network radio station inventory 130 can be stored among hard disk (Hard Disk), flash memory (Flash Memory) or the non-voltile memory (NVRAM), can not set again because of power breakdown.Shown in Fig. 2 b, it is the schematic diagram of a network radio station inventory, the priority when connecting is being represented in arrangement from top to bottom, first is preferably " BBC News Channel One ", if then load automatically in the time of can't connecting ensuing " BBC RadioLive 909 ", if still can't connect, perhaps the network of representing BBC company externally interrupts, then reload ensuing " CBC Radio News ", priority class pushes according to this, up to there being network radio station link to connect, or the link on whole part of network radio station inventory 130 stops after all can't connecting.
The present invention that is based upon of network radio station inventory 130 explains by dual mode, and a kind of mode is for to be imported voluntarily by the user, and as shown in Figure 3, the method flow diagram for the user manually imports may further comprise the steps:
Step 310 receives the network radio station network address of user from keyboard or the setting of other input mode;
Step 320, mixed-media network modules mixed-media 110 just are connected to this network radio station server 172,174 according to the network address of this input, then attempt connecting and receiving the audio stream data of being propagated;
Step 330, the online time that control module 120 is calculated according to timing module 160, do you judge online whether successfully foundation of reception of audio stream data? suppose that with 5 seconds be the longest online time of test, in 5 seconds if do not receive response signal, or the speed that packet transmits is slow excessively, then stops online foundation;
Step 340 if can successfully set up and 172,174 of this network radio station servers online, then adds this network radio station network address in network radio station inventory 130 automatically;
Step 350 is established the user and is set this network radio station priority when playing, and shown in Fig. 2 b, the user can from top to bottom represent a plurality of interstation preferential online relations the putting in order of each radio station of inventory field inediting.
Another kind is set up the mode of network radio station inventory 130, realize by the mode that imports network radio station lists of links 135, this tabulation can from network download or the user sets up voluntarily, shown in Fig. 2 a, it is a network radio station lists of links schematic diagram, comprise this network radio station title, for example: NYI, C-Span 2, BBCNews Channel One, CBC Radio News, KABC 790AM etc., with and indivedual corresponding chained addresses.As shown in Figure 4, comprise the steps:
Step 410 because each network radio station link perhaps is to set up before the several months in the tabulation, also so not guarantees all can connect, and mixed-media network modules mixed-media 110 receives the network radio station lists of links 135 that imports,
Step 420, because each network radio station link perhaps is to set up before the several months in the tabulation, also so not guarantee all can connect, just load one by one at each network radio station in the tabulation by control module 120, and confirm whether can successfully set up online and receive audio stream data, if link is to belong to invalid link then to enter step 430, then enter step 440 if can connect;
Step 430, the invalid network radio station in tabulation chain and show that this is the sign of invalid link, as indicating with red font or indicating in the watermark mode;
Step 440 is set the user according to the priority that the favorable rating in each radio station is set network radio station in the inventory, can select to keep or deletion as for invalid network radio station link user, also can give a priority if keep;
After the step 450, store and detected the network radio station inventory 130 of finishing and configure priority in this tabulation.
After network radio station inventory 130 is successfully set up, just can realize as shown in Figure 5,, comprising the steps: the purpose that automaticallyes switch by the present invention for method flow diagram of the present invention
Step 510 when the user carries out playing program or opens the power supply of network radio station player, is just read in the network radio station inventory 130 of setting earlier, loads the highest network radio station network address of priority from network radio station inventory 130
Step 520 is connected to this network radio station according to this network address;
Step 530, timing module 160 begins to calculate online institute's time spent, receive audio stream data in the certain hour of judgement after connection? network radio station inventory 130 with Fig. 2 b is the example explanation, when " BBC News Channel One " after the online time surpasses 5 seconds the longest online time of setting, still can't receive any during from data that this network address transmitted, enter step 540, otherwise enter step 550;
Step 540, control module 120 is interrupted present connection, and loads the network radio station network address " BBC Radio Live 909 " of next priority, and returns step 520;
Step 550, the audio stream data of buffer memory some, the row decoding of going forward side by side;
Step 560, whether the network package data of judging this buffer memory are audio stream packet, if just sustainable reception " BBC Radio Live 909 " audio stream data that transmitted deciphers and plays, if " BBC Radio Live 909 " what transmitted is the audio stream data that can't play, then interrupt equally " BBCRadio Live 909 " network radio station online, and enter step 540, and load the network radio station of next priority " CBC Radio News ".
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (10)

1, a kind of system that automaticallyes switch in many group networks radio station comprises:
One mixed-media network modules mixed-media is used for being connected to a plurality of network radio station servers by the internet, and downloads the audio stream data of described network radio station server;
One timing module is used to calculate the time that described mixed-media network modules mixed-media and described network radio station server connect;
One access module is used for the described audio stream data that the described mixed-media network modules mixed-media of buffer memory is transmitted;
One network radio station inventory is used to note down the link of described network radio station server and plays priority; And
One control module is used for when described mixed-media network modules mixed-media connects described network radio station server and surpasses a setting-up time, in the time of maybe can't receiving described effective audio stream data, interrupts connecting at present and the network radio station link that loads next priority connects.
2, the system that automaticallyes switch in many group networks radio station according to claim 1 is characterized in that, described control module is a central processing unit.
3, the system that automaticallyes switch in many group networks radio station according to claim 1 is characterized in that, described control module also is used for the audio stream data that is cached in described access module is deciphered broadcast.
4, the system that automaticallyes switch in many group networks radio station according to claim 1 is characterized in that, described mixed-media network modules mixed-media also is used to download a network radio station lists of links.
5, the system that automaticallyes switch in many group networks radio station according to claim 4 is characterized in that, described network radio station lists of links is utilized to set up described network radio station inventory, and this method for building up comprises the following step:
Receive described network radio station lists of links;
Detect the correctness of the link of network radio station server described in the described network radio station lists of links;
Indicate invalid described network radio station server link;
Set the priority of described network radio station server; And
Store described network radio station inventory.
6, the system that automaticallyes switch in many group networks radio station according to claim 1 is characterized in that, the method that described network radio station inventory is set up comprises the following step:
Receive the link of the described network radio station server of user's input;
Be connected to described network radio station server;
Judge the correctness of described network radio station server link;
Store correct described network radio station server link; And
Set the priority of described network radio station server.
7, a kind of method that automaticallyes switch in many group networks radio station comprises the following step:
Load a network radio station inventory;
Read the link of the highest network radio station server of priority;
Be connected to described network radio station server and calculate and connect the online time that described network radio station server is spent; And
The described online time interrupts connecting at present and loading the network radio station link of next priority, and connects after surpassing a setting-up time.
8, the method that automaticallyes switch in many group networks radio station according to claim 7 is characterized in that, the method for building up of described network radio station inventory comprises the following step:
Receive the link of the described network radio station server of user's input;
Be connected to described network radio station server;
Judge the correctness of described network radio station server link;
Store correct described network radio station server link; And
Set the priority of described network radio station server.
9, the method that automaticallyes switch in many group networks radio station according to claim 7 is characterized in that, the foundation of described network radio station inventory comprises the following step:
Receive described network radio station lists of links;
Detect the correctness of the link of network radio station server described in the described network radio station lists of links;
Indicate invalid described network radio station server link;
Set the priority of described network radio station server; And
Store described network radio station inventory.
10, the method that automaticallyes switch in many group networks radio station according to claim 9 is characterized in that, described network radio station lists of links is obtained by a mixed-media network modules mixed-media download.
CNA2005100803580A 2005-07-04 2005-07-04 System and method for switching over automatically among multiple group network tranceivers Pending CN1893357A (en)

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Application Number Priority Date Filing Date Title
CNA2005100803580A CN1893357A (en) 2005-07-04 2005-07-04 System and method for switching over automatically among multiple group network tranceivers

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CN1893357A true CN1893357A (en) 2007-01-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103378914A (en) * 2012-04-17 2013-10-30 上海博泰悦臻电子设备制造有限公司 Vehicle end, information processing system, and vehicle end radio uninterrupted play method
CN103412782A (en) * 2013-09-04 2013-11-27 广东全通教育股份有限公司 Dynamic resource loading method and system based on flash
CN104242963A (en) * 2014-09-16 2014-12-24 深圳市中兴移动通信有限公司 Automatic switching method and system of electromagnetic signal receiving frequencies

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103378914A (en) * 2012-04-17 2013-10-30 上海博泰悦臻电子设备制造有限公司 Vehicle end, information processing system, and vehicle end radio uninterrupted play method
CN103412782A (en) * 2013-09-04 2013-11-27 广东全通教育股份有限公司 Dynamic resource loading method and system based on flash
CN103412782B (en) * 2013-09-04 2017-03-22 广东全通教育股份有限公司 Dynamic resource loading method and system based on flash
CN104242963A (en) * 2014-09-16 2014-12-24 深圳市中兴移动通信有限公司 Automatic switching method and system of electromagnetic signal receiving frequencies

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