CN101170827A - Configuration method for voice enhanced function - Google Patents
Configuration method for voice enhanced function Download PDFInfo
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- CN101170827A CN101170827A CNA2007101780246A CN200710178024A CN101170827A CN 101170827 A CN101170827 A CN 101170827A CN A2007101780246 A CNA2007101780246 A CN A2007101780246A CN 200710178024 A CN200710178024 A CN 200710178024A CN 101170827 A CN101170827 A CN 101170827A
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Abstract
The invention discloses a speech enhancement method and relates to speech enhancement technology. The method is to solve the problem that the speech enhancement ability can not be dynamically adjusted with the present 3G core network. The technical scheme is: A. when a call link is established, equipment of every stage reports an own VQE capability supporting form to the upper stage equipment thereof; B. the core network equipment of the call link generates the VQE strategy of the call link according to the VQE capability supporting form; C. according to VQE strategy, adjusting the VQE ability that the core network equipment supports. The invention assures the necessary VQE capability and avoids resource waste and repeat processing at the same time.
Description
Technical field
The present invention relates to voice and strengthen (VQE, Voice Quality Enhancement) technology, relate in particular to a kind of collocation method of voice enhanced function.
Background technology
VQE is applied to be used to strengthen the voice quality of UE in voice user's terminal UE.But because it is many to make the manufacturer of UE, terminal equipment of a great variety, the difference between the user terminal is also bigger, different terminals is because the difference of production time, market orientation, technical merit etc., its inside to VQE function degree of support also with regard to difference.Terminal may occur and not support different situations such as VQE function, support part VQE function, the whole VQE functions of support.In order to reach better communication effect, need provide the voice enhanced function that does not have in the user terminal by the media gateway (MGW, Media Gateway) of core net.Particularly circuit echo is offset (EEC, Circuit Echo Cancellation) function, if network access equipment do not support, need provide by the MGW of core net.
Generally all support multinomial (partly or entirely) VQE function among the MGW of existing core net, these VQE functions generally by operation of equipment or attendant according to the applied environment static configuration, when using, reality do not consider that whether terminal/network access equipment that current this passage inserts supports the VQE function, can introduce a lot of problems for this reason in actual use.Access situation with portable terminal is an example, in order to guarantee the voice quality under the worst case (portable terminal is not supported any VQE function), generally all gives tacit consent to all VQE functions of opening MGW.If but in fact the access device of terminal, network or prime MGW have done the voice enhancing, MGW at the corresponding levels just there is no need to have done again.If the voice of terminal are enough clear in addition, also there is no need to do again voice enhanced function.Repeat to be VQE for terminal, can bring two problems: the one, cause the waste of resource, influence the capacity of network; The 2nd, VQE processing repeatedly can cause the decline of voice quality, plays the effect of running counter to desire.
The mode of the static configuration VQE that generally uses in the MGW of core net can not satisfy the needs of practical application at present, thereby has influenced the extensive use of VQE in core net greatly.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of collocation method of voice enhanced function, can guarantee that the Internet resources of user's voice quality and consumption are less.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of collocation method of voice enhanced function comprises:
A, when setting up call link, equipment at different levels report voice separately to strengthen the ability support matrix step by step in the call link;
Equipment of the core network strengthens the voice enhancing strategy that the ability support matrix generates described call link according to the voice that report in B, the call link;
C, the voice of current link being supported according to voice enhancing strategy adjustment equipment of the core network strengthen ability.
Wherein, also comprise after the step C:
The user sends the voice enhancing in real time according to the live traffice situation and adjusts request in the communication process, and this request is adjusted or do not responded to the voice enhancing ability that equipment of the core network is supported current link.
Wherein, described user sends voice in real time and strengthens the request of adjustment, is specially:
The user sends voice in real time by speech code stream passage or network control signalling path and strengthens the request of adjustment.
Wherein, the described voice of current link being supported according to voice enhancing strategy adjustment equipment of the core network strengthen ability, are specially:
Strengthening strategy according to voice closes the voice enhanced function of equipment of the core network or opens buttoned-up voice enhanced function.
Wherein, described voice enhanced function includes but not limited to: noise suppressed NR, noise compensation NC, automatic electric-level control ALC, acoustic echo canceler AEC, circuit echo are offset EEC.
Wherein, described equipment of the core network is media gateway MGW or mobile switch server.
The present invention is by the unified VQE ability support matrix of definition in network, when call setup, equipment at different levels (user terminal UE in the call link, access devices etc.) the VQE ability support matrix with self is sent to equipment of the core network (MGW or MSC server), equipment of the core network is according to the VQE ability support matrix that reports, formulate corresponding VQE strategy in conjunction with the VQE ability of self again, close a certain VQE ability of associated core net equipment in the link or open buttoned-up a certain VQE ability according to the VQE strategy, to avoid between user terminal and equipment of the core network, repeating to be provided with a certain VQE ability, so not only guaranteed speech quality but also saved Internet resources.In addition, the present invention supports also user terminal to send VQE in real time in communication process and adjusts request that equipment of the core network carries out corresponding VQE according to user's real-time request and adjusts.The invention enables between terminal, access device and the MGW and can on realization VQE function, work harmoniously, when guaranteeing the necessary VQE function of realization, avoided the wasting of resources and reprocessing.
Description of drawings
Fig. 1 is the flow chart of the collocation method of voice enhanced function of the present invention;
Fig. 2 transmits the implementation structure schematic diagram outward for VQE capability negotiation band of the present invention;
Fig. 3 is transmission implementation structure schematic diagram in the VQE capability negotiation band of the present invention;
Fig. 4 applies for the VQE structural representation for terminal among the present invention in real time by being with outer transmission mode;
Fig. 5 applies for the VQE structural representation for terminal among the present invention in real time by transmission means in being with.
Embodiment
Core concept of the present invention is: the VQE function of existing core net MGW is static configuration substantially, in case can not at will change after the configuration, so the voice service that it provided also is unalterable.And in the actual communication process, because the situation that all voice qualities descend can appear in situations such as conversation environment and resource occupying.The present invention is by the unified VQE ability support matrix of definition in network, when call setup, equipment at different levels report VQE ability support matrix step by step in the call link, the VQE ability support matrix that MGW or MSC server etc. report according to equipment of the core network, formulate corresponding VQE strategy in conjunction with the VQE ability of self again, and close a certain VQE ability of relevant MGW or open buttoned-up a certain VQE ability according to the VQE strategy, to avoid between user terminal and MGW, repeating to be provided with a certain VQE ability.The present invention supports also UE to send VQE in real time in communication process and adjusts request that equipment of the core network carries out corresponding VQE according to user's real-time request and adjusts.The invention enables between terminal, access device and the MGW and can on realization VQE function, work harmoniously, when guaranteeing the necessary VQE function of realization, avoided the wasting of resources and reprocessing.Describe the present invention below in conjunction with accompanying drawing.
Fig. 1 is the flow chart of the collocation method of voice enhanced function of the present invention, and as shown in Figure 1, the collocation method of voice enhanced function of the present invention may further comprise the steps:
Step 101: when setting up call link, equipment at different levels report VQE ability support matrix separately step by step in the call link.This step has realized the VQE ability statistics of equipments of the core network such as MGW or MSC server to equipment at different levels in the call link.Can pre-establish the VQE ability complete or collected works of consolidation form, have in the network equipment of VQE ability such as user terminal UE, access device, media gateway MGW etc. dispatch from the factory or during electrifying startup according to current self to the degree of support of VQE ability, the VQE ability support matrix of initial configuration oneself.VQE ability support matrix can be by the real-time dynamic-configuration of device operator, and for example after mobile phone users was forbidden the ALC function of this terminal, the support item to the ALC function in the VQE ability support matrix on this equipment automatically became " not supporting " state.And can dispose separately VQE ability support matrix by operator for access device, MGW etc.Among the present invention, configuration VQE ability support matrix promptly is to close the VQE function in self VQE ability support matrix or open buttoned-up VQE function.It will be appreciated by those skilled in the art that the configuration, maintenance and the renewal that realize VQE ability support matrix are to realize easily.
Among the present invention, the VQE ability comprises noise suppressed NR, noise compensation NC, automatic electric-level control ALC, acoustic echo canceler AEC, circuit echo counteracting EEC etc.
Step 102: equipment of the core network generates the VQE strategy of described call link in the call link according to the VQE ability support matrix that reports.After equipment of the core network MGW (or MSC server) receives the VQE ability support matrix of equipment at different levels in the call link, in conjunction with self (or corresponding MGW) the VQE ability and generate the VQE strategy of current call link.The VQE strategy is generated according to certain decision-making mechanism by MGW (or MSC server).The decision-making mechanism that should be noted that MGW is disposed by operator, can carry out necessary renewal and maintenance as required.For speech business, the related MGW of call link is one or more, if be the situation of a MGW, directly carry out the formulation of VQE strategy according to the VQE ability support matrix of being received that reports, and as the MGW that relates to when being two or more, also need carry out the mutual of VQE ability support matrix information between the MGW on the talking link (or MSC server), and formulate corresponding VQE strategy by the MGW (or MSC server) of appointment.
As a kind of realization means, the decision-making mechanism that is disposed on the MGW be the VQE ability support matrix of talking link prime terminal and MGW item by item mutually " or ", promptly as long as there is equipment to support a certain VQE ability in the prime, then MGW closes this VQE function, otherwise opens this VQE function.It will be appreciated by those skilled in the art that the VQE policy mechanism is flexible and changeable, the present invention does not limit these configuration modes.
VQE of the present invention adjusts and carries out at single voice link, and the VQE strategy in every voice link might not be identical.The VQE strategy can be formulated by MGW or MSC server, below is described in detail.
Here, the transmission implementation of VQE capability negotiation can be divided into that the outer transmission of band realizes and band in transmission realize two kinds.Fig. 2 transmits the implementation structure schematic diagram outward for VQE capability negotiation band of the present invention, as shown in Figure 2, user terminal is by radio network controller (RNC, Radio Network Controller) inserts core net, during call setup, call control signalling is by RNC and MSC Server Transport MSC server and the RNC to the opposite end, and voice flow directly transmits by MGW during conversation, and MGW is controlled by agreement H.248 by the MSC server.The VQE capability negotiation is realized by being with outer control signaling: when conversation is set up, terminal, RNC, MSC server are step by step to MSC server transmission VQE ability support matrix separately, and decide the VQE policy configurations of the MGW of its control according to certain decision-making mechanism by the MSC server, by the VQE configuration of MSC server change corresponding M GW, promptly close some VQE function of MGW or open some buttoned-up VQE function after decision-making is finished.Wherein, wide double arrowed line is represented voice flow among the figure.Fig. 3 is transmission implementation structure schematic diagram in the VQE capability negotiation band of the present invention, as shown in Figure 3, the VQE capability negotiation is realized being specially by transmission in being with: transmit VQE ability support matrix mutually when conversation is set up, and change the VQE configuration of himself according to certain decision-making mechanism by MGW between terminal, RNC, MGW.Be that the VQE ability support matrix of user terminal is directly packed together by MGW and speech code stream and transmitted or directly by dual-tone multifrequency (DTMF, Dual Tone Multi-Frequency) code stream transmits, the configuration decisions of VQE is also directly finished by MGW, and MGW revises the VQE setting of self after consulting to finish.Wherein, wide double arrowed line is represented voice flow among the figure.
Step 103: adjust the VQE ability that equipment of the core network is supported current link according to the VQE strategy that step 102 generated.In this step, promptly improve the speech quality of certain voice link, promptly close a certain VQE function of corresponding MGW or open buttoned-up VQE function according to VQE by the VQE ability of adjusting MGW.
Step 104: the user sends VQE in real time according to the live traffice situation and adjusts request in the communication process, equipment of the core network adjustment self VQE function or do not respond this request.This step is an optimization step of the present invention.In communication process, the terminal use can dynamically ask the VQE function on the On/Off talking link according to current speech quality.When echo being arranged, can ask opposite end MGW to start EEC or AEC as the user terminal local terminal.The sound of opposite end less than normal or bigger than normal the time, can ask corresponding M GW to start ALC.When the sound noise of opposite end is big, can ask corresponding M GW that the voice of opposite end are carried out the NR processing.When user terminal environment of living in is more noisy, can ask corresponding M GW that the voice of local terminal are carried out the NR processing, the voice to the opposite end carry out the NC processing simultaneously.Terminal use's VQE control application can be imported by user key-press, by mode in band or out of band VQE is adjusted and carries out analyzing and processing after request is sent to MGW or MSC server, generates corresponding VQE strategy and corresponding M GW is carried out the adjustment of VQE function.As a kind of realization means, the user can import the shortcode of VQE service such as #6688# etc. in conversation, and selects the VQE service of request to get final product according to prompt tone.Fig. 4 applies for the VQE structural representation for terminal among the present invention in real time by being with outer transmission mode, as shown in Figure 4, in communication process, the VQE control application that terminal A proposes is by the outer control of band means of signaling, be transferred to RNC-A by single direction of arrow, arrive MSCSever-A again, arrive MSC Sever-B at last, MSC Sever-A and MSC Sever-B analyze the VQE configuration on MGW change A to the B direction of making corresponding VQE decision-making and drawing oneself up affiliated after the content of VQE control application.The VQE control application of terminal B proposition in like manner is by being transferred to RNC-B with outer mode by single direction of arrow, arrive MSC Sever-B again, arrive MSC Sever-A at last, MSC Sever-B and MSC Sever-A analyze the VQE configuration on MGW change B to the A direction of making corresponding decision-making and drawing oneself up affiliated after the content of VQE control application.Wide double arrowed line is represented voice flow among the figure.Fig. 5 applies for the VQE structural representation for terminal among the present invention in real time by transmission means in being with, as shown in Figure 5, in communication process, the VQE control application that terminal A proposes is transferred to RNC-A by the mode with interior Media Stream by single direction of arrow, arrive MGW-A again, arrive MGW-B at last, MGW-A and MGW-B analyze and make corresponding decision-making after the content of VQE control application and change VQE configuration on self A to B direction.The VQE control application of terminal B proposition in like manner is by being transferred to RNC-B in the direction of arrows with interior mode, arrive MGW-B again, arrive MGW-A at last, MGW-B and MGW-A analyze and make corresponding decision-making after the content of VQE control application and change VQE configuration on self B to A direction.Wide double arrowed line is represented voice flow among the figure.
Need to prove, real-time VQE at the user adjusts request, MGW can be in conjunction with the current voice link situation that inserts, again according to self the VQE strategy and whether COMPREHENSIVE CALCULATING can respond active user's voice quality, if bigger to active user's influence, then the adjustment request to the active user does not deal with.Need to prove that the decision-making of VQE strategy of the present invention is comprehensively to be formulated according to call priority, service quality and user itself by operator, the present invention does not limit the decision-making mechanism of these VQE strategies.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (6)
1. the collocation method of a voice enhanced function is characterized in that, this method comprises:
A, when setting up call link, equipment at different levels report voice separately to strengthen the ability support matrix step by step in the call link;
Equipment of the core network strengthens the voice enhancing strategy that the ability support matrix generates described call link according to the voice that report in B, the call link;
C, the voice of current link being supported according to voice enhancing strategy adjustment equipment of the core network strengthen ability.
2. the collocation method of voice enhanced function according to claim 1 is characterized in that, also comprises after the step C:
The user sends the voice enhancing in real time according to the live traffice situation and adjusts request in the communication process, and this request is adjusted or do not responded to the voice enhancing ability that equipment of the core network is supported current link.
3. the collocation method of voice enhanced function according to claim 2 is characterized in that, described user sends voice in real time and strengthens the request of adjustment, is specially:
The user sends voice in real time by speech code stream passage or network control signalling path and strengthens the request of adjustment.
4. the collocation method of voice enhanced function according to claim 1 is characterized in that, the described voice of current link being supported according to voice enhancing strategy adjustment equipment of the core network strengthen ability, are specially:
Strengthening strategy according to voice closes the voice enhanced function of equipment of the core network or opens buttoned-up voice enhanced function.
5. the collocation method of voice enhanced function according to claim 1, it is characterized in that described voice enhanced function includes but not limited to: noise suppressed NR, noise compensation NC, automatic electric-level control ALC, acoustic echo canceler AEC, circuit echo are offset EEC.
6. according to the collocation method of each described voice enhanced function in the claim 1 to 5, it is characterized in that described equipment of the core network is media gateway MGW or mobile switch server.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101780246A CN101170827A (en) | 2007-11-23 | 2007-11-23 | Configuration method for voice enhanced function |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101780246A CN101170827A (en) | 2007-11-23 | 2007-11-23 | Configuration method for voice enhanced function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101894558A (en) * | 2010-08-04 | 2010-11-24 | 华为技术有限公司 | Lost frame recovering method and equipment as well as speech enhancing method, equipment and system |
| CN102655005A (en) * | 2011-03-01 | 2012-09-05 | 华为技术有限公司 | Processing method and processing device for voice enhancement |
| CN104219619A (en) * | 2014-09-19 | 2014-12-17 | 深圳市中兴移动通信有限公司 | Service negotiation method, service negotiation system and communication terminal |
| CN106604209A (en) * | 2016-12-14 | 2017-04-26 | 广东欧珀移动通信有限公司 | Function setting method and device based on Bluetooth protocol |
| US9787748B2 (en) | 2011-11-04 | 2017-10-10 | Huawei Technologies Co., Ltd. | Method for evaluating streaming media transmission quality and obtaining information, and related device and system |
-
2007
- 2007-11-23 CN CNA2007101780246A patent/CN101170827A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101894558A (en) * | 2010-08-04 | 2010-11-24 | 华为技术有限公司 | Lost frame recovering method and equipment as well as speech enhancing method, equipment and system |
| CN102655005A (en) * | 2011-03-01 | 2012-09-05 | 华为技术有限公司 | Processing method and processing device for voice enhancement |
| WO2012116646A1 (en) * | 2011-03-01 | 2012-09-07 | 华为技术有限公司 | Method and device for voice enhancement processing |
| CN102655005B (en) * | 2011-03-01 | 2014-05-07 | 华为技术有限公司 | Processing method and processing device for voice enhancement |
| US9787748B2 (en) | 2011-11-04 | 2017-10-10 | Huawei Technologies Co., Ltd. | Method for evaluating streaming media transmission quality and obtaining information, and related device and system |
| CN104219619A (en) * | 2014-09-19 | 2014-12-17 | 深圳市中兴移动通信有限公司 | Service negotiation method, service negotiation system and communication terminal |
| WO2016050154A1 (en) * | 2014-09-19 | 2016-04-07 | 努比亚技术有限公司 | Service negotiation method, service negotiation system and communication terminal |
| CN104219619B (en) * | 2014-09-19 | 2016-06-01 | 努比亚技术有限公司 | Service negotiating method, service negotiation system and communication terminal |
| CN106604209A (en) * | 2016-12-14 | 2017-04-26 | 广东欧珀移动通信有限公司 | Function setting method and device based on Bluetooth protocol |
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