CN101778241A - Radio phone terminal and method for adjusting communication effect of radio phone - Google Patents
Radio phone terminal and method for adjusting communication effect of radio phone Download PDFInfo
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- CN101778241A CN101778241A CN200910189324A CN200910189324A CN101778241A CN 101778241 A CN101778241 A CN 101778241A CN 200910189324 A CN200910189324 A CN 200910189324A CN 200910189324 A CN200910189324 A CN 200910189324A CN 101778241 A CN101778241 A CN 101778241A
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- multiplexing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract
The invention relates to a radio phone terminal, which comprises a multiplexing table sending unit, a multiplexing adjusting unit and a demultiplexing unit, wherein the multiplexing table sending unit is used for sending a multiplexing table comprising a full video multiplexing table entry and a full audio multiplexing table entry to an opposite end; the multiplexing adjusting unit is used for multiplexing data according to the multiplexing table comprising the full video multiplexing table entry and the full audio multiplexing table entry after receiving an adjustment instruction, and sending the multiplexed data to the opposite end; and the demultiplexing unit is used for demultiplexing multiplexed data according to the multiplexing table comprising the full video multiplexing table entry and the full audio multiplexing table entry. The invention also provides a method for adjusting the communication effect of a radio phone. Under the condition of not increasing bandwidth of a wireless channel, the aim of adjusting the video effect is fulfilled by adjusting a ratio of bandwidth allocated to video signals to bandwidth allocated to audio signals, so the problems of sound delay, jitter and blurring of images caused by insufficient bandwidth are solved.
Description
Technical field
The present invention relates to the wireless communication technique field, relate in particular to the method for the communication effect of a kind of radio phone terminal and adjustment video telephone.
Background technology
Along with the 3G video telephone is come into the life of ordinary consumer gradually, make ordinary consumer can use video telephone to carry out exchanging of voice and image, can see the other side's expression, residing scene etc. by the image user.
The 3G video telephone adopts the 3G-324M protocol stack of 3GPP standard, realizes by circuit commutative field.When video telephone is initiated, at first both sides connect the physical channel of 64Kbit/s by the call setup agreement, begin the mutual of control signal by physical channel then, pass through the mutual of control signal, both sides set up audio logic channel and video logic channel, and both sides' audio/video data just can pass through audio logic channel and video logic channel and the other side and carry out visual mutual.
At present, have 12.2Kbit/s to be used for the transmission of audio frame in the physical channel bandwidth of the 64Kbit/s of video call, remaining bandwidth is used for the transmission of video frame.Therefore the bandwidth about the used 40Kbit/s of transmission of video frame can only be carried the video frame rate of maximum 15fps, and image display effect is general.Transmission tone video data simultaneously under the relatively poor situation of network will just produce problems such as the time delay of audio frequency and video, asynchronous, serious mosaic phenomenon, choppy voice, has a strong impact on the communication effect of video telephone.
Summary of the invention
The object of the present invention is to provide the method for the communication effect of a kind of radio phone terminal and adjustment video telephone, under the situation that does not increase wireless signal-path band width, give the purpose that the ratio of vision signal and audio signal reaches adjustment audio frequency and video effect by adjusting bandwidth, thereby solve image and sound delay time, shake and the fuzzy problem of bringing inadequately because of bandwidth.
The invention provides a kind of radio phone terminal, comprising: the multi-meter transmitting element is used for sending the multi-meter that comprises full video multiplex list item and full audio multiplexing table entry to the opposite end; Multiplexing adjustment unit, be used to receive adjust instruction after, according to the described multi-meter that comprises full video multiplex list item and full audio multiplexing table entry data are carried out multiplexingly, send data after multiplexing to the opposite end; Demultiplexing unit is used for according to the described multi-meter that comprises full video multiplex list item and full audio multiplexing table entry described data after multiplexing being carried out demultiplexing.
Preferably, above-mentioned multiplexing adjustment unit also is used in described full video multiplex list item of the multiplexing code domain index of described multiplexing protocol data units and full audio multiplexing table entry.
Preferably, above-mentioned demultiplexing unit also is used for inquiring about full video multiplex list item and full audio multiplexing table entry according to the index value of multiplexing code domain.
The present invention also provides a kind of method of adjusting the communication effect of video telephone, comprising: local terminal sends the multi-meter that comprises full video multiplex list item and full audio multiplexing table entry to the opposite end; After local terminal is received and adjusted instruction, according to the described multi-meter that comprises full video multiplex list item and full audio multiplexing table entry data are carried out multiplexingly, send data after multiplexing to the opposite end; The opposite end is carried out demultiplexing according to the described multi-meter that comprises full video multiplex list item and full audio multiplexing table entry to described data after multiplexing.
Preferably, above-mentioned data after multiplexing send by multiplexing protocol data units, and in the multiplexing code domain of described multiplexing protocol data units described full video multiplex list item of index and full audio multiplexing table entry.
Preferably, above-mentioned opposite end carries out described data after multiplexing at first inquiring about full video multiplex list item and full audio multiplexing table entry according to the index value of multiplexing code domain before the demultiplexing.
The present invention gives the purpose that the ratio of vision signal and audio signal reaches adjustment audio frequency and video effect by adjusting bandwidth under the situation that does not increase wireless signal-path band width.If being adjusted into video preferentially then gives vision signal with all bandwidth, if being adjusted into audio frequency preferentially then gives audio signal with all bandwidth, do not do control under the default situations, audio-video signal is mixed sending.The user in video call at any time Switch Video preferentially still audio frequency is preferential, can the effect of video call not impacted in the handoff procedure.Video can guarantee that preferentially the video quality smoothness is clear, is fit to watch the scene of pure image information.Audio frequency can guarantee that preferentially the audio quality smoothness is clear, satisfies the requirement of user to the quality of voice-frequency telephony; Can effectively promote user experience, user friendly flexible use avoids that the video/audio that bandwidth brings inadequately postpones, shake and fuzzy etc.
Description of drawings
Fig. 1 adjusts the flow chart of a kind of embodiment of method of the communication effect of video telephone for the present invention;
Fig. 2 is the interface schematic diagram of the multiplexing adjustment of the embodiment of the invention;
Fig. 3 is the particular flow sheet of the method for the communication effect of embodiment of the invention adjustment video telephone;
Fig. 4 is the structural representation of embodiment of the invention radio phone terminal.
Embodiment
Below in conjunction with the drawings and specific embodiments technical solution of the present invention is described in further detail, can be implemented so that those skilled in the art can better understand the present invention also, but illustrated embodiment is not as a limitation of the invention.
The present invention does not adjust under the default situations in process of video call, is common video call effect, adopts audio frame and frame of video to mix and sends.When the user need send the image of clear and smooth, just improve the shared bandwidth of frame of video, reduce the shared bandwidth of audio frame simultaneously; When the user only need guarantee call tone quality, just improve the shared bandwidth of audio frame, reduce the shared bandwidth of frame of video simultaneously.
The video call terminal is used multiplexing protocol data units (MUX-PDU) units of data carry audio frequency, logic channels such as video, multiplexing list item has determined that each (bit) distributes to the pattern of Voice ﹠ Video logic channel in the multiplexing protocol data units, has promptly determined the affiliated logic channel of each byte.Each multiplexing protocol data units all comprises the header of a byte and the information of some bytes, and multiplexing code (MC) territory of 4 positions is arranged in its header, and this territory has indicated the multiplexing list item of institute's index.
When the video call initialization, local terminal by control signal H.245 send comprise full video and whole tone multiplexing list item frequently multi-meter to receiving terminal, after entering video call, local terminal adopts full video or whole tone multiplexing list item frequently to carry out data multiplex to each multiplexing protocol data units, and in the multiplexing code domain of multiplexing protocol data units this multiplexing list item of index.What therefore send to the opposite end is exactly full video or whole tone data message frequently.After multiplexing protocol data units was received in the opposite end, at first the index value according to multiplexing code domain found full video or whole tone multiplexing list item frequently, according to this multiplexing list item multiplexing protocol data units is carried out the data demultiplexing afterwards.
Fig. 1 adjusts the flow chart of a kind of embodiment of method of the communication effect of video telephone for the present invention.
Local terminal and opposite end all are based on the radio phone terminal of mobile communications network circuit domain, use the protocol stack of 3G-324M protocol suite, have the codec of 3G-324M protocol suite regulation and audio ﹠ video equipment etc.Need to prove that local terminal of the present invention is meant the calling party, the opposite end is meant the callee, and the local terminal of indication is relative with the opposite end among the present invention, and in process of video call, the calling and called both sides can carry out the adjustment of the communication effect of video telephone.
Step S101, local terminal send the multi-meter that comprises full video multiplex list item and full audio multiplexing table entry to the opposite end.
After step S102, local terminal receive and adjust instruction, according to the multi-meter that comprises full video multiplex list item and full audio multiplexing table entry data are carried out multiplexingly, send data after multiplexing to the opposite end.In the present embodiment, the data after multiplexing send by multiplexing protocol data units, and in the multiplexing code domain of multiplexing protocol data units full video multiplex list item of index and full audio multiplexing table entry.
Step S103, the opposite end is according to comprising that the multi-meter of full video multiplex list item and full audio multiplexing table entry carries out demultiplexing to the data after multiplexing.In the present embodiment, the opposite end carries out the data after multiplexing at first inquiring about full video multiplex list item and full audio multiplexing table entry according to the index value of multiplexing code domain before the demultiplexing.After the opposite end is carried out the data demultiplexing to each multiplexing protocol data units of receiving according to the multiplexing list item of multiplexing code domain index, with the whole demultiplexings of the byte of multiplexing protocol data units is video data, and the decoding by codec just obtains than the better clear continuous images information of default mode then.
Table 1 is depicted as multi-meter used in the present invention.
Table 1
| Sequence number | The multi-meter item number is according to form | The audio frequency and video ratio |
| ??1 | ??{LCN2，RC?UCF} | ??All?audio |
| ??2 | ??{LCN3，RC?UCF} | ??All?video |
| ??3 | ??{LCN2，RC4}，{{LCN1，RC1}，??{LCN3，RC2}，RC?UCF} | ??Audio，??1∶2data?video |
As shown in table 1, sequence number is that 1 list item is a whole tone multiplexing list item frequently, and sequence number is that 2 list item is the multiplexing list item of full video, and sequence number is that 3 list item is the multiplexing list item that audio frequency and video are mixed.LCN1 presentation logic channel 1 is used to transmit data and control information; LCN2 presentation logic channel 2 is used to transmit digital audio; LCN3 presentation logic channel 3 is used to transmit digital video.
Fig. 2 is the interface schematic diagram of the multiplexing adjustment of the embodiment of the invention.The user can be by selecting " video is preferential " or " audio frequency is preferential " at this interface, radio phone terminal then adopts full video multiplex list item or full audio multiplexing table entry to carry out multiplexing to data, value with multiplexing code domain in the multiplexing protocol data units is changed to 0001 or 0002 simultaneously, and what expression was adopted is that full video multiplex list item or full audio multiplexing table entry are carried out multiplexing to data.When the user selected " not adjusting ", it is multiplexing that radio phone terminal adopts the multiplexing list item of acquiescence that data are carried out, and the value with multiplexing code domain in the multiplexing protocol data units is changed to 0003 simultaneously, and what expression was adopted is that the multiplexing list item of acquiescence carries out multiplexing to data.
In the present embodiment, multiplexing list item MultiplexEntrySend request message by H.245 when the video call initialization sends, send the following message of increase on the message basis at original multiplexing list item, expression will comprise full video and whole tone multiplexing list item frequently sends to the opposite end.
request:multiplexEntrySend:{
sequenceNumber?1，
multiplexEntryDescriptors{
{
MultiplexTableEntryNumber 1, // ///the multi-meter entry index number is 1
elementList?{
{
Type logicalChannelNumber:2, ///logic channel 2 carrying audio frequency
repeatCount?until?ClosingFlag:NULL
}
}
}，
{
MultiplexTableEntryNumber 2, // ///the multi-meter entry index number is 3
elementList{
{
Type logicalChannelNumber:3, // // ///logic channel 3 carrying videos
repeatCount?untilClosingFlag:NULL
}
}
}
}
Fig. 3 is the particular flow sheet of the method for the communication effect of embodiment of the invention adjustment video telephone.
Step S201, the video call passage is set up in local terminal and opposite end.
Step S202, local terminal send the multi-meter that comprises full video multiplex list item and full audio multiplexing table entry to the opposite end.
Then local terminal and opposite end enter the video call state, if the user is adjusted into the video mode of priority under the video call state, then on multiplexing adjustment interface, select " video is preferential " to send video and preferentially adjust instruction, then enter step S203 to radio phone terminal.
After step S203, local terminal receive that video is preferentially adjusted instruction, according to full video multiplex list item data are carried out multiplexingly, send data after multiplexing to the opposite end.
Step S204, the opposite end is carried out demultiplexing according to full video multiplex list item to the data after multiplexing.
Then local terminal and opposite end enter the video mode of priority, if the user is adjusted into default mode under the video mode of priority, then selects " not adjusting " to send to radio phone terminal on multiplexing adjustment interface and do not adjust instruction, then enter step S205.
After step S205, local terminal received and do not adjust instruction, the multiplexing list item that mixes according to audio frequency and video carried out multiplexing to data, sent data after multiplexing to the opposite end.
Step S206, the multiplexing list item that mix according to audio frequency and video the opposite end carries out demultiplexing to the data after multiplexing.
Step S207 hangs up the telephone, and video telephone discharges protocol stack, conversation end.
Fig. 4 is the structural representation of embodiment of the invention radio phone terminal.
Multiplexing adjustment unit 402 be used to receive adjust instruction after, according to the multi-meter that comprises full video multiplex list item and full audio multiplexing table entry data are carried out multiplexingly, send data after multiplexing to the opposite end.
Further, multiplexing adjustment unit 402 also is used for full video multiplex list item of multiplexing code domain index and the full audio multiplexing table entry at multiplexing protocol data units.
Further, demultiplexing unit 403 also is used for inquiring about full video multiplex list item and full audio multiplexing table entry according to the index value of multiplexing code domain.
The present invention if being adjusted into video preferentially then gives vision signal with all bandwidth, if being adjusted into audio frequency preferentially then gives audio signal with all bandwidth, does not do control under the default situations under the situation that does not increase wireless signal-path band width, audio-video signal is mixed sending.The user in video call at any time Switch Video preferentially still audio frequency is preferential, can the effect of video call not impacted in the handoff procedure.Video can guarantee that preferentially the video quality smoothness is clear, is fit to watch the scene of pure image information.Audio frequency can guarantee that preferentially the audio quality smoothness is clear, satisfies the requirement of user to the quality of voice-frequency telephony; Can effectively promote user experience, user friendly flexible use avoids that the video/audio that bandwidth brings inadequately postpones, shake and fuzzy etc.
Below only be the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (6)
1. a radio phone terminal is characterized in that, comprising:
The multi-meter transmitting element is used for sending the multi-meter that comprises full video multiplex list item and full audio multiplexing table entry to the opposite end;
Multiplexing adjustment unit, be used to receive adjust instruction after, according to the described multi-meter that comprises full video multiplex list item and full audio multiplexing table entry data are carried out multiplexingly, send data after multiplexing to the opposite end;
Demultiplexing unit is used for according to the described multi-meter that comprises full video multiplex list item and full audio multiplexing table entry described data after multiplexing being carried out demultiplexing.
2. radio phone terminal as claimed in claim 1 is characterized in that, described multiplexing adjustment unit also is used in described full video multiplex list item of the multiplexing code domain index of multiplexing protocol data units and full audio multiplexing table entry.
3. radio phone terminal as claimed in claim 1 is characterized in that, described demultiplexing unit also is used for inquiring about full video multiplex list item and full audio multiplexing table entry according to the index value of multiplexing code domain.
4. a method of adjusting the communication effect of video telephone is characterized in that, comprising:
Local terminal sends the multi-meter that comprises full video multiplex list item and full audio multiplexing table entry to the opposite end;
After local terminal is received and adjusted instruction, according to the described multi-meter that comprises full video multiplex list item and full audio multiplexing table entry data are carried out multiplexingly, send data after multiplexing to the opposite end;
The opposite end is carried out demultiplexing according to the described multi-meter that comprises full video multiplex list item and full audio multiplexing table entry to described data after multiplexing.
5. the method for the communication effect of adjustment video telephone as claimed in claim 4, it is characterized in that, described data after multiplexing send by multiplexing protocol data units, and in the multiplexing code domain of multiplexing protocol data units described full video multiplex list item of index and full audio multiplexing table entry.
6. the method for the communication effect of adjustment video telephone as claimed in claim 5 is characterized in that, the opposite end carries out described data after multiplexing at first inquiring about full video multiplex list item and full audio multiplexing table entry according to the index value of multiplexing code domain before the demultiplexing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910189324A CN101778241A (en) | 2009-12-23 | 2009-12-23 | Radio phone terminal and method for adjusting communication effect of radio phone |
| PCT/CN2010/078051 WO2011076034A1 (en) | 2009-12-23 | 2010-10-25 | Video telephone terminal, and method for adjusting calling effect of video telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910189324A CN101778241A (en) | 2009-12-23 | 2009-12-23 | Radio phone terminal and method for adjusting communication effect of radio phone |
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| Publication Number | Publication Date |
|---|---|
| CN101778241A true CN101778241A (en) | 2010-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910189324A Pending CN101778241A (en) | 2009-12-23 | 2009-12-23 | Radio phone terminal and method for adjusting communication effect of radio phone |
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| CN (1) | CN101778241A (en) |
| WO (1) | WO2011076034A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011076034A1 (en) * | 2009-12-23 | 2011-06-30 | 中兴通讯股份有限公司 | Video telephone terminal, and method for adjusting calling effect of video telephone |
| CN113395580A (en) * | 2020-10-08 | 2021-09-14 | 刘风华 | Audio and video synchronization method based on video communication |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6049551A (en) * | 1995-08-16 | 2000-04-11 | Starguide Digital Networks, Inc. | Method and apparatus for dynamic allocation of transmission bandwidth resources and for transmission of multiple audio signals with a video signal |
| IL148751A0 (en) * | 1999-10-28 | 2002-09-12 | Ncube Corp | Adaptive bandwidth system and method for broadcast data |
| CN101778241A (en) * | 2009-12-23 | 2010-07-14 | 中兴通讯股份有限公司 | Radio phone terminal and method for adjusting communication effect of radio phone |
-
2009
- 2009-12-23 CN CN200910189324A patent/CN101778241A/en active Pending
-
2010
- 2010-10-25 WO PCT/CN2010/078051 patent/WO2011076034A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011076034A1 (en) * | 2009-12-23 | 2011-06-30 | 中兴通讯股份有限公司 | Video telephone terminal, and method for adjusting calling effect of video telephone |
| CN113395580A (en) * | 2020-10-08 | 2021-09-14 | 刘风华 | Audio and video synchronization method based on video communication |
| CN113395579A (en) * | 2020-10-08 | 2021-09-14 | 刘风华 | Audio processing method and video communication system |
| CN113395580B (en) * | 2020-10-08 | 2022-06-24 | 广州广迅信息科技有限公司 | Audio and video synchronization method based on video communication |
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| Publication number | Publication date |
|---|---|
| WO2011076034A1 (en) | 2011-06-30 |
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Application publication date: 20100714 |