CN1937467A - Video call apparatus for mobile communication terminal and method thereof - Google Patents
Video call apparatus for mobile communication terminal and method thereof Download PDFInfo
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- CN1937467A CN1937467A CN 200610139253 CN200610139253A CN1937467A CN 1937467 A CN1937467 A CN 1937467A CN 200610139253 CN200610139253 CN 200610139253 CN 200610139253 A CN200610139253 A CN 200610139253A CN 1937467 A CN1937467 A CN 1937467A
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Abstract
The present invention relates to a video call apparatus for mobile communication terminal and method thereof, especially to a necessary protocol constituting the H.324 M to receive and transmit the multimedia data relevant to the valueadded service in real time when providing the video call service, thereby the accessibility for the users to use the video call service is improved. In order to solve the problems the invention includes the following steps: the step of inputting the video/voice data relevant to video call service into the multiplexer; the step of inputting the multimedia data relevant to the valueadded service into the multiplexer when providing the video call service; the step of achieving multiplication of the video/voice data input by the multiplexer and the multimedia data and outputting the result.
Description
Technical field
The present invention relates to mobile communication terminal, particularly relate to the method and system of video phone service of the support mobile communication terminal of the convenience that can improve the user who utilizes video phone service.
Background technology
Recently along with the continuous progress of the function of mobile communication terminal, surmount simple radio communication function and adding the function except that radio communication as camera function and multi-media player function.This camera function and multi-media player function be mobile communication terminal display unit improvement and according to the realization of high-speed communication and the high-touch feature that is constantly used by masses, having the digital camera of high definition and the mobile communication terminal of color LCD picture has become vague generalization.
To show on the color LCD picture of above-mentioned mobile communication terminal by stream (Streaming) video/audio data of MPEG-4 codec (Codec:Coder and Decoder) decoding or the video/audio data of importing by camera.Particularly, it is very active that ground is just being carried out in the exploitation that will can receive the mobile communication terminal of transmission by the video/audio data of camera input in real time for video calling (Video Telephony).
The service that is provided by existing mobile communications system not only is provided in the IMT-2000 system, and is the follow-on mobile communication system of the high-level service of the technology that can also provide more progressive.Can be divided into asynchronous type CDMA mode and synchronous mode CDMA mode substantially.
Above-mentioned IMT-2000 system be for provide video phone service need adopt International Telecommunications Union (ITU:International Telecommunication Union) go up definition international standard H.323 or H.324M.With reference to Fig. 1 explanation so according to the structure of the H.324M agreement that the mobile communication terminal video phone service is provided of prior art.
Fig. 1 is the block diagram of expression according to the H.324M protocol architecture of the video phone service that mobile communication terminal is provided of prior art.
As shown in Figure 1, according to the mobile communication terminal that video phone service is provided of prior art will be relevant with above-mentioned video phone service video data by H.263 or MPEG4 handle, with voice data by AMR form (AMR:Adaptive Multi-Rate) or G.723.1 handle, and the video/audio data of above-mentioned processing made the demultiplexing line output of going forward side by side according to multiplexer H.223, various control informations are according to H.245 receiving transmission.At this moment, above-mentioned mobile communication terminal can also add handle multi-person conference data T.120.
With reference to Fig. 2 explanation so according to the operation principle of the video phone service system that mobile communication terminal is provided of prior art.
Fig. 2 is the figure of expression according to the operation principle of the video phone service system that mobile communication terminal is provided of prior art.
As shown in Figure 2, comprise following several sections according to the system of the video phone service that mobile communication terminal is provided of prior art: first mobile communication terminal 100 makes the video/audio data demultiplexing relevant with the video phone service line output of going forward side by side; Second mobile communication terminal 200 is with the contrary demultiplexing of the video/audio data of the above-mentioned output line output of going forward side by side.At this moment, above-mentioned first communication terminal 100 and second mobile communication terminal 200 are that expression is suitable for the H.324M terminal of agreement.
Below describe in detail so constitute according to the existing operation principle that the mobile communication system of video phone service is provided.
At first, above-mentioned first mobile communication terminal 100 will be set to provide the calling of video phone service to be connected (Call Connection) with above-mentioned second mobile communication terminal 200, illustrates that with reference to Fig. 3 mobile communication terminal so is provided with the method for calling.
Fig. 3 is expression is provided with the video call method in mobile communication system according to prior art figure.
As shown in Figure 3, the method for calling that mobile communication terminal is set according to prior art comprises following several steps: be provided with between first mobile communication terminal and second mobile communication terminal and call out step of connecting S310; By above-mentioned calling is set, consults the step S320 of various control informations; With the control information of above-mentioned negotiation is according to the step S330 that transmits video/audio data.Above-mentioned various control informations this moment are meant Master/SlaveDetermination message, Terminal Capacity Set message, Multiplex Entry Send message, OpenLogical Channel (Audio) message, Open Logical Channel (Video) message etc.
Below describe the method for calling that mobile communication terminal is set that so constitutes in detail according to prior art.
At first, at above-mentioned first mobile communication terminal 100 and 200 of above-mentioned second mobile communication terminals calling is set and is connected (seeing step S310).Promptly, above-mentioned first mobile communication terminal 100 transmits the message that request call connects, above-mentioned second mobile communication terminal 200 transmits with the corresponding permission of the message of above-mentioned transmission calls out the message that is connected, thus, just being provided with calling at above-mentioned first mobile communication terminal 100 and 200 of above-mentioned second mobile communication terminals is connected.
Above-mentioned first mobile communication terminal 100 and above-mentioned second mobile communication terminal 200 are by the various control informations of the call negotiation of above-mentioned setting (seeing step S320).For example, 1) above-mentioned first mobile communication terminal 100 and 200 decisions of second mobile communication terminal are Master or Slave according to Master/Slave Determination message; 2) whether setting can handle the ability of the video/audio data of transmission according to Terminal Capacity Set message; 3) send Multiplex Entry according to Multiplex Entry Send message; 4) open the Logical Channel that transmits voice data according to OpenLogical Channel (Audio) message; 5) open the Logical Channel of processing video data according to OpenLogical Channel (Video) message.
Then, above-mentioned first mobile communication terminal 100 is a foundation with the control information of above-mentioned negotiation, by above-mentioned H.233 multiplexer above-mentioned video/audio data is sent in above-mentioned second mobile communication terminal 200 (seeing step S330).
Then, above-mentioned second mobile communication terminal 200 with the video/audio data of above-mentioned reception by the contrary demultiplexing of the above-mentioned H.233 multiplexer line output of going forward side by side.That is, above-mentioned first mobile communication terminal 100 is realized video phone service with above-mentioned second mobile communication terminal 200 by the video/audio data that above-mentioned reception sends.
But, only stipulate to provide the scheme of video phone service according to the system of the video phone service that mobile communication terminal is provided of prior art to agreement H.324M, the state that therefore exists in video phone service can not be supported the problem of other value-added service down.
Summary of the invention
The present invention proposes for the problem that solves above-mentioned existence, its purpose be the to provide support method and system thereof of video phone service of mobile communication terminal.Particularly only use and constitute H.324M necessary agreement (Mandatory Protocol), make when video phone service is provided the multi-medium data relevant with value-added service received transmission in real time, can improve the user's who uses video phone service convenience thus.
In order to achieve the above object, according to the method for the video phone service of support mobile communication terminal of the present invention, it comprises following several steps: the step that the video/audio data relevant with video phone service is input to multiplexer; When above-mentioned video phone service is provided, the multi-medium data relevant with value-added service is input to the step of above-mentioned multiplexer; Above-mentioned multiplexer makes the go forward side by side step of line output of the multi-medium data demultiplexing of the video/audio data of above-mentioned input and above-mentioned input.
In order to achieve the above object, system according to the video phone service of support mobile communication terminal of the present invention, the mobile communication terminal of video phone service is provided by different mobile communication system, it comprises following several sections: first mobile communication terminal, make the video/audio data relevant with above-mentioned video phone service, with value-added service the relevant multi-medium data demultiplexing line output of going forward side by side, and use the first video phone service specification; Gateway will be converted to the data of exporting and the corresponding form of the second video phone service specification based on the above-mentioned first video phone service specification; Second mobile communication terminal with the contrary demultiplexing of above-mentioned data converted, uses the specification of above-mentioned second video phone service.
Description of drawings
Fig. 1 is the block diagram of expression according to the H.324M protocol architecture of the video phone service that mobile communication terminal is provided of prior art;
Fig. 2 is the fundamental diagram of expression according to the system of the video phone service that mobile communication terminal is provided of prior art;
Fig. 3 is expression is provided with the video call method in mobile communication system according to prior art figure;
Fig. 4 is the block diagram of expression according to the H.324M protocol architecture of the video phone service that mobile communication terminal is provided of the present invention;
Fig. 5 is the block diagram of operation principle of the system of the expression video phone service that mobile communication terminal is provided of the present invention;
Fig. 6 is that expression is according to the flow chart that the video telephony service method of mobile communication terminal is provided of the present invention;
Fig. 7 is expression provides the video phone service system of mobile communication terminal by different mobile radio communications according to the present invention a block diagram.
Embodiment
Following embodiment with reference to accompanying drawing describes the method and system according to support mobile communication terminal video phone service of the present invention in detail, only use and constitute H.324M necessary agreement (Mandatory Protocol), make when video phone service is provided the multi-medium data relevant with value-added service received transmission in real time, can improve the user's who uses video phone service convenience thus.
Fig. 4 is the block diagram of expression according to the H.324M protocol architecture of the video phone service that mobile communication terminal is provided of the present invention.
As shown in Figure 4, the mobile communication terminal that video phone service is provided according to the present invention will be relevant with video phone service video data by H.263 or MPEG4 handle, with voice data by AMR form (AMR:Adaptive Multi-Rate) or G.723.1 handle, and the video/audio data of above-mentioned processing made the demultiplexing line output of going forward side by side according to multiplexer H.223, be not only various control informations, and when above-mentioned video phone service was provided, multimedia messages that will be relevant with value-added service was according to H.245 receiving transmission.At this moment, T.120 above-mentioned mobile communication terminal can also add processing multi-person conference data.
Illustrate so according to the operation principle that the video phone service system of mobile communication terminal is provided of the present invention with reference to Fig. 5.
Fig. 5 is the block diagram of operation principle of the system of the expression video phone service that mobile communication terminal is provided of the present invention.
As shown in Figure 5, according to the system that the video phone service of mobile communication terminal is provided of the present invention, it comprises following several sections: first mobile communication terminal 100 makes the video/audio data demultiplexing relevant with the video phone service line output of going forward side by side; Second mobile communication terminal 200 is with the video/audio data of above-mentioned output and the contrary demultiplexing of the multi-medium data line output of going forward side by side.
With reference to Fig. 6 illustrate formation like this according to the method that the video phone service of mobile communication terminal is provided of the present invention.
Fig. 6 is that expression is according to the flow chart that the video telephony service method of mobile communication terminal is provided of the present invention.
As shown in Figure 6, according to the method that the video phone service of mobile communication terminal is provided of the present invention, it comprises following several steps: the step S610 that will the video/audio data relevant with video phone service outputs to above-mentioned multiplexer; When providing above-mentioned video calling to serve, confirm whether to have selected the step S620 of above-mentioned value-added service; When having selected above-mentioned value-added service, will the multi-medium data relevant be input to the step S630 of above-mentioned multiplexer with above-mentioned value-added service; Above-mentioned multiplexer is with the video/audio data of above-mentioned input and multi-medium data demultiplexing and the step S640 that transmits.At this moment, when not selecting above-mentioned value-added service, the video/audio data demultiplexing that above-mentioned multiplexer will be relevant with above-mentioned video phone service also transmits (seeing step S650).
Below describe in detail so constitute according to the method that the video phone service of mobile communication terminal is provided of the present invention.
At first, above-mentioned first mobile communication terminal 100 outputs to above-mentioned H.233 multiplexer (seeing step S610) with the video/audio data relevant with above-mentioned video phone service.That is, above-mentioned first mobile communication terminal 100 with above-mentioned video data according to H.263 or MPEG4 handle, and the video data of above-mentioned processing is outputed to H.233 multiplexer.Above-mentioned voice data according to AMR or G.723.1 handle, and is outputed to H.233 multiplexer with the voice data of above-mentioned processing.
Above-mentioned H.233 multiplexer is sent to above-mentioned second mobile communication terminal 200 with the video/audio data of above-mentioned output, makes above-mentioned first mobile communication terminal 100 realize carrying out video phone service with above-mentioned second mobile communication terminal 200 thus.
At this moment, when above-mentioned first mobile communication terminal 100 provides above-mentioned video phone service, confirm whether to have selected above-mentioned value-added service (seeing step S620).That is various value-added services also are provided when, above-mentioned first mobile communication terminal 100 provides above-mentioned video phone service.Below describe the value-added service that so is provided for example in detail.
The first, can transmit for the text data of Video chat service is provided.
The second, can transmit for video, audio frequency, the text data of automatic-answering back device service are provided.That is, when not having the replying of receipt of call user, above-mentioned first mobile communication terminal 100 transmits video, audio frequency, the text data of preserving in advance.
The 3rd, can transmit for the voice data of background music service is provided.
The 4th, can transmit the video data that replaces the image service in order to provide.That is, above-mentioned first mobile communication terminal 100 not only transmits and replaces for prior video, the image data of preserving of the video data that video phone service is provided, but also transmits the animation data of the emotion that can show off.
The 5th, can transmit for the reservation code or the symbol data of bilateral system control service are provided.For example, above-mentioned first mobile communication terminal 100 is controlled above-mentioned second mobile communication terminal 200 by above-mentioned reservation code or symbol data and is in vibrations or makes the output the tinkle of bells.
Above-mentioned value-added service is not restricted to Video chat service, automatic-answering back device service, background music service, replaces the image service, and can be to be applicable to the raising user friendliness, makes the service of the quality that does not influence video phone service.
When above-mentioned first mobile communication terminal 100 has been selected above-mentioned value-added service, the multi-medium data relevant with above-mentioned value-added service is input to above-mentioned H.233 multiplexer (seeing step S630).Promptly, above-mentioned first mobile communication terminal 100 will be in the relevant multi-medium data of above-mentioned value-added service by H.245 handling, and can be by the control channel segmentation with reorganization layer (CCSRL:ControlChannel Segmentation and Reassembly Layer) with the multi-medium data of above-mentioned processing, the simple retransmission protocol (NSRP:Numbered Simple Retransmission Protocol) of band numbering is input to above-mentioned H.233 multiplexer.
Above-mentioned H.233 multiplexer is with the multi-medium data demultiplexing of the video/audio data of above-mentioned input and above-mentioned input and generate a bit stream, can send a bit stream of above-mentioned generation to above-mentioned second mobile communication terminal 200 (seeing step S640) by above-mentioned mobile radio communication.
So, not only can provide visual telephone, but also can provide visual telephone by different mobile radio communications by identical mobile radio communication.The following operation principle of system that the visual telephone of mobile communication terminal so is provided by different mobile radio communications with reference to Fig. 7 explanation.
Fig. 7 is expression provides the video phone service system of mobile communication terminal by different mobile radio communications according to the present invention a block diagram.
As shown in Figure 7, according to the system that the visual telephone of mobile communication terminal is provided by different mobile radio communications of the present invention, it comprises following several sections: first mobile communication terminal 100, make the video/audio data relevant with video phone service, with value-added service the relevant multi-medium data demultiplexing line output of going forward side by side, and use the first video phone service specification; Multimedia gateway (Multimedia Gateway) 300 will be converted to the data of exporting and the corresponding form of the second video phone service specification based on the above-mentioned first video phone service specification; Second mobile communication terminal 200 with the contrary demultiplexing of above-mentioned data converted, uses the specification of above-mentioned second video phone service.Wherein, above-mentioned multimedia gateway 300 comprises: multimedia code conversion portion (Transcoding Unit) 310, change above-mentioned video/audio data according to corresponding video/audio codec; Protocol conversion portion (Protocol Conversion Unit) 320 will comprise that the message conversion of above-mentioned multi-medium data becomes corresponding message format.
Below describe in detail so constitute according to the operation principle that the video-telephone system of mobile communication terminal is provided by different mobile radio communications of the present invention.
At first, above-mentioned first mobile communication terminal 100 is based on the above-mentioned first video phone service specification, video/audio data that will be relevant with video phone service, the relevant multi-medium data demultiplexing line output of going forward side by side with value-added service.
Above-mentioned multimedia gateway 300 will be converted to the data of exporting and the corresponding form of the second video phone service specification based on the above-mentioned first video phone service specification.That is, above-mentioned multimedia code conversion portion 310 changes above-mentioned video/audio data according to corresponding video/audio codec, and above-mentioned protocol conversion portion 320 will comprise that the message conversion of above-mentioned multi-medium data becomes corresponding message format.
Therefore, above-mentioned second mobile communication terminal 200 is based on the above-mentioned second video phone service specification, with the contrary demultiplexing of the above-mentioned data converted line output of going forward side by side, therefore can be according to realizing video phone service with above-mentioned video/audio data, can be according to realizing value-added service simultaneously with above-mentioned multi-medium data also.
As above describe in detail, according to mobile communication terminal and the method for under video call state, supporting value-added service of the present invention, there is following effect, use and constitute H.324M necessary agreement, make when video phone service is provided the multi-medium data relevant with value-added service received transmission in real time, owing to do not constitute other agreement, therefore can improve the user's who uses video phone service convenience.
And, according to mobile communication terminal and the method for under video call state, supporting value-added service of the present invention, also there is following effect, use and constitute H.324M necessary agreement, make when video phone service is provided the multi-medium data relevant with value-added service received transmission in real time, owing to can use the value-added service as Video chat, therefore can improve the user's who uses video phone service convenience.
Above embodiment only is used to illustrate the present invention, but not is used to limit the present invention.
Claims (16)
1. method of supporting the video phone service of mobile communication terminal, its feature comprises following several steps:
The step that will the video/audio data relevant be input to multiplexer with video phone service;
When described video phone service is provided, will the multi-medium data relevant be input to the step of described multiplexer with value-added service;
Described multiplexer makes the go forward side by side step of line output of the multi-medium data demultiplexing of the video/audio data of described input and described input.
2. a kind of method of supporting the video phone service of mobile communication terminal according to claim 1 is characterized in that: described video phone service is based on agreement H.324M.
3. a kind of method of supporting the video phone service of mobile communication terminal according to claim 1 is characterized in that: described value-added service is the Video chat service.
4. a kind of method of supporting the video phone service of mobile communication terminal according to claim 1 is characterized in that, comprises following several steps:
Import the step of described video/audio data;
The step that will the video data relevant outputs to described multiplexer with described video phone service;
The step that will the voice data relevant outputs to described multiplexer with described video phone service.
5. a kind of method of supporting the video phone service of mobile communication terminal according to claim 1 is characterized in that, comprises following several steps:
Import the step of described multi-medium data;
When providing described video calling to serve, confirm whether to have selected the step of described value-added service;
When having selected described value-added service, will the multi-medium data relevant be input to the step of described multiplexer with described value-added service.
6. a kind of method of supporting the video phone service of mobile communication terminal according to claim 5, it is characterized in that: described multi-medium data comprises audio frequency, video and text data.
7. a kind of method of supporting the video phone service of mobile communication terminal according to claim 6 is characterized in that: described multi-medium data is that handle on the basis with agreement H.245.
8. a kind of method of supporting the video phone service of mobile communication terminal according to claim 6 is characterized in that described multi-medium data also comprises:
The reservation code or the symbol data of control opposite mobile communication terminal.
9. a mobile communication system of supporting the video phone service of mobile communication terminal is characterized in that, provides the mobile communication terminal of video phone service by different mobile radio communications, comprises following several sections:
First mobile communication terminal makes the video/audio data relevant with described video phone service, the multi-medium data demultiplexing relevant with value-added service also export, and use the first video phone service specification;
Gateway will be converted to the data of exporting and the corresponding form of the second video phone service specification based on the described first video phone service specification;
Second mobile communication terminal with the contrary demultiplexing of described data converted, uses the specification of described second video phone service.
10. a kind of mobile communication system of supporting the video phone service of mobile communication terminal according to claim 9 is characterized in that: described first video phone service is based on agreement H.324M.
11. a kind of mobile communication system of supporting the video phone service of mobile communication terminal according to claim 10 is characterized in that: described second video phone service is based on agreement H.323M.
12. a kind of mobile communication system of supporting the video phone service of mobile communication terminal according to claim 9 is characterized in that: described value-added service is the Video chat service.
13. a kind of mobile communication system of supporting the video phone service of mobile communication terminal according to claim 9 is characterized in that described multi-medium data also comprises audio frequency, video and text data.
14. a kind of mobile communication system of supporting the video phone service of mobile communication terminal according to claim 13 is characterized in that, described multi-medium data is that handle on the basis with agreement H.245.
15. a kind of mobile communication system of supporting the video phone service of mobile communication terminal according to claim 13 is characterized in that described multi-medium data also comprises:
The reservation code or the symbol data of control opposite mobile communication terminal.
16. a kind of mobile communication system of supporting the video phone service of mobile communication terminal according to claim 9 is characterized in that described gateway comprises following several sections:
Code conversion portion changes described video/audio data according to corresponding video/audio codec;
Protocol conversion portion will comprise that the message conversion of described multi-medium data becomes corresponding message format.
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| KR1020050088983 | 2005-09-23 | ||
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| CN1937467A true CN1937467A (en) | 2007-03-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010139211A1 (en) * | 2009-06-04 | 2010-12-09 | 中兴通讯股份有限公司 | Video telephone, method for dialing and answering video telephone and device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010139211A1 (en) * | 2009-06-04 | 2010-12-09 | 中兴通讯股份有限公司 | Video telephone, method for dialing and answering video telephone and device thereof |
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