CN101394225A - Method and device for speech transmission - Google Patents
Method and device for speech transmission Download PDFInfo
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Abstract
The invention discloses a voice transmission method, which comprises the following steps: receiving a discontinuous voice frame from a sending terminal; and re-issuing the corresponding voice frame to a receiving terminal according to the type of the previous received voice frame, when receiving a bad frame or receiving no corresponding voice frame at the sending time. The invention can transform the discontinuous voice frame from the sending terminal to a continuous one under the circumstance that the downlink DTX on the receiving side is closed, so as to improve the accuracy of the global measuring result according to the continuous voice frame during the process of the downlink measurement on the receiving side, thereby improving the accuracy of switching or power-controlled determination.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of method and apparatus of speech transmissions.
Background technology
Based on 3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project) in the communication system, as GSM (Global System for Mobile Communications, global system for mobile communications) in, because two the sending out of conversation can not be always all in speech, therefore, can not be always on the transmission channel all at transferring voice message (following abbreviate the speech stage as voice segments), when not having the speech information transmission (non-speech segment), also carrying out for both call sides can both be felt conversing, transmitting background noise usually and replace speech message.Therefore, speech transmissions is generally the alternate transmission of voice and background noise.At present, can adopt normal mode to carry out speech transmissions, promptly in whole communication process, voice and background noise all are encoded into 13kbit/s transmit.Yet, the defective of the prior art is: because the user is in whole communication process, usually having only time of 40% is voice segments, if and the background noise that transmits in non-speech segment still is 13kbit/s's, so not only can waste the resource of system, but also because of will keep high-power transmission to increase the weight of intrasystem interference always.
Therefore, for overcoming the problems referred to above, the method that prior art also discloses a kind of speech transmissions is to adopt DTX (Discontinuous Transmission, discontinuous emission) pattern to carry out the transmission of speech, promptly adopts the speech coding of 13kbit/s to transmit in voice segments; And in non-speech segment, the noise elimination indication frame (SID, Silence Descriptor) of the characterisitic parameter of comfort noise in the background noise is only carried in transmission, and described SID only adopts the slow coding of 500bit/s to obtain.Usually, under the DTX pattern, transmitter side sends continuous speech frame in voice segments; And, only send the SID frame in non-speech segment.
Those skilled in the art will know that, under the DTX pattern, no matter whether open DTX, BTS (base station) and MS (portable terminal) will carry out the global measuring and the local measurement of up-downgoing, obtain corresponding test report, BSC (base station controller) then selects the result of local measurement to switch or the power control judgement according to the indication about whether having opened DTX in the described measurement report when having opened DTX then; When not opening DTX, then select the result of global measuring to switch or the power control judgement.
Yet, the inventor finds in the prior art when converse between mobile phone A and the mobile phone B, when the sub-district at mobile phone A place is up DTX unlatching in carrying out the invention process, and when to be descending DTX closed in the sub-district at mobile phone B place, there are the following problems at least if adopt DTX mode transfer speech:
When mobile phone A calling handset B, the speech transmissions of mobile phone A is in the sub-district at mobile phone B place, because being up DTX, mobile phone A opens, therefore, mobile phone A is discontinuous by speech frame and the SID frame that DTX sends, therefore what the BTS of mobile phone B by the sub-district, place received also is discontinuous Speech frame, and because the DTX in the mobile phone B is descending closing, therefore the BSC of mobile phone B side can select the result of global measuring for descending test, but because in fact mobile phone B receive is discontinuous Speech frame, therefore the result that records of global measuring is inaccurate, and if use inaccurate global measuring result will cause as switching or a series of problems such as power control judgement error.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of method and apparatus of speech transmissions, make and to open and under the situation that the DTX of receiving terminal closes as the DTX that sends terminal, can change into continuous Speech frame with coming from the discontinuous Speech frame that sends terminal, to improve receiving terminal global measuring result's accuracy.
The method of a kind of speech transmissions that the embodiment of the invention provides comprises:
Reception comes from the discontinuous Speech frame that sends terminal;
When receiving bad frame or when delivery time is not also received corresponding Speech frame,, reissuing corresponding Speech frame to receiving terminal according to the type of a last Speech frame of receiving.
Based on technique scheme, the embodiment of the invention also discloses a kind of device that is used for speech transmissions, described device comprises:
Receiving element is used to receive and comes from the discontinuous Speech frame that sends terminal;
Reissue the unit, be used for receiving bad frame or when the local terminal delivery time is not also received corresponding Speech frame,, reissuing corresponding Speech frame to receiving terminal according to the type of a last Speech frame of receiving when described receiving element.
Compared with prior art, the embodiment of the invention has the following advantages:
The embodiment of the invention is opened at the up DTX of transmitter side, and under the situation that the descending DTX of receiver side closes, receiver side is in the process that receives discontinuous Speech frame, when receiving bad frame or when delivery time is not also received corresponding Speech frame, can reissue corresponding Speech frame to receiving terminal according to the previous frame type that receives, thereby will come from the discontinuous Speech frame that sends terminal and revert to the continuous receiving terminal that sends to again, make receiver side when carrying out down-run survey, can all be continuous Speech frame owing to what receive, thereby can improve global measuring result's accuracy, switch or the accuracy of power control judgement thereby make the BSC of receiver side can be under the situation that descending DTX closes improve according to this global measuring result.
Description of drawings
Fig. 1 is the FB(flow block) of a method embodiment of the present invention;
Fig. 2 is the FB(flow block) of another method of the present invention embodiment;
Fig. 3 is the FB(flow block) of another method of the present invention embodiment;
Fig. 4 is the FB(flow block) of a device of the present invention embodiment;
Fig. 5 is the FB(flow block) of another device of the present invention embodiment;
Fig. 6 is the FB(flow block) of another device of the present invention embodiment;
Another installs the FB(flow block) of embodiment to Fig. 7 for the present invention.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the embodiment of the invention is done further and to be elaborated.
As shown in Figure 1, the method of a kind of speech transmissions based on the 3GPP system disclosed by the invention, two terminals of the sending and receiving that voice encoding and decoding mode is identical adopt the DTX pattern to carry out the transmission of speech, when being set to descending DTX, the BTS of sub-district, receiving terminal place closes, the BTS that sends the sub-district at terminal place is made as up DTX when opening, and described method comprises:
S101: send terminal by up DTX module to the discontinuous Speech frame of receiving terminal transparent transmission, wherein, be in opening owing to send the up DTX of terminal, therefore, sending terminal is discontinuous by the Speech frame that up DTX module sends, and described Speech frame comprises speech frame, SID frame.
S102: the BTS of sub-district, receiving terminal place is in the process that receives the discontinuous Speech frame of being sent by the transmission terminal, when receiving bad frame or when delivery time is not also received corresponding Speech frame, when a last Speech frame of receiving is first kind Speech frame, carry out S103; When a last Speech frame of receiving is the second type Speech frame, carry out 104.
Wherein, described first kind Speech frame can be speech frame or voice and the background converted frames between quiet, and the described second type Speech frame is the Frame that carries the quiet information of background.
S103: receive that at last one Speech frame is a first kind Speech frame.When for example being converted frames between quiet of speech frame or voice and background, then send infilled frame to described receiving terminal.
S104: at a last Speech frame of receiving is the second type Speech frame, for example is when carrying the Frame of the quiet information of background, then continues to send and a last Speech frame that Speech frame is identical, the promptly described Frame that carries the quiet information of background to described receiving terminal.
The foregoing description is applicable to two terminals that voice coding modes is identical, in communication process, adopt the speech transparent transmission mode, when transmitter side is that up DTX opens, and receiver side is descending DTX when closing, for example, opens the BTS of the sub-district that sends the terminal place when being made as up DTX, and the BTS of sub-district, receiving terminal place is set to descending DTX when closing, the BTS of sub-district, receiving terminal place can work as and receives bad frame or when delivery time is not also received corresponding Speech frame, can be according to the type of a last Speech frame of receiving, reissue corresponding Speech frame to described receiving terminal, thereby will come from the discontinuous Speech frame that sends terminal and revert to continuous Speech frame, make the BTS of receiving terminal or sub-district, receiving terminal place can be when the down-run survey according to continuous Speech frame, improve global measuring result's accuracy, and then guarantee that the BSC of receiver side can improve the accuracy of switching or power control judgement.
Two terminals of communicating by letter in the foregoing description adopt the purpose of identical encoding and decoding speech to be: the convenient voice transparent transmission pattern (TrFo) end to end of setting up between two terminals of sending and receiving.Can save the conversion operations of the voice coding modes of network side like this, saving the hardware cost of network side encoding and decoding speech module avoids, but also reduced the number of times of encoding and decoding speech, and avoided the voice-loss that brings because additionally carry out encoding and decoding speech, guarantee voice quality.Therefore all adopt the voice transparent transmission pattern in the embodiment of the invention, thereby need not to insert the source coding/decoding module.Certainly, for the different communicating pair of encoding and decoding speech,, can realize the described speech transmissions method of the embodiment of the invention too even do not adopt the voice transparent transmission pattern.
In addition, BTS described in above-mentioned S102, S103 and the S104 can also perhaps be replaced by other any one network nodes on the transmission path of two terminals of sending and receiving by BSC in the embodiment of the invention.
Those skilled in the art will know that, the Speech frame difference that different speech codings obtains, for example, voice coding modes is EFR/FR/HR (enhanced full rate speech codec/full-speed voice codec/half-rate speech codec), the Speech frame that obtains comprises speech frame and SID frame, wherein, described SID carries the quiet Frame of background; For voice coding modes is AMR (Adaptive MultiRate, adaptive multi-rate), the Speech frame that obtains comprises speech frame, SIDFirst frame, Onset frame and SIDUpdate frame, wherein, described SIDFirst frame and Onset frame are voice and the background converted frames between quiet, described SIDFirst frame is represented to be transformed into the SID frame from speech frame, and described Onset frame is represented to be transformed into speech frame from the SID frame; Described SIDUpdate frame is the Frame that carries the quiet information of background.
Carrying out the present invention according to different voice coding modes below specifies accordingly.
As shown in Figure 2, for inventing another method embodiment based on the speech transmissions of 3GPP system, communicating pair among this embodiment all adopts the speech coding of EFR/FR/HR, and adopt the DTX pattern to carry out the transmission of speech, when being set to descending DTX, the BTS of sub-district, receiving terminal place closes, the BTS that sends the sub-district at terminal place is made as up DTX when opening, and described method comprises:
S201: send terminal by up DTX module to the discontinuous Speech frame of receiving terminal transparent transmission, wherein, be in opening owing to send the up DTX of terminal, therefore, the transmission terminal is discontinuous Speech frame by up DTX module transmission, described Speech frame comprises first SID frame behind speech frame, the speech frame, and at TAF=1 speech frame or SID frame constantly.Wherein, the purpose that sends Frame at TAF=1 constantly is, is convenient to mobile phone and carries out the quiet recovery of background under local measurement and the DTX pattern.Described Frame is the Frame that is about to transmission at TAF=1 constantly, can be speech frame or SID frame.
S202: the BTS of sub-district, receiving terminal place is in the process that receives the discontinuous Speech frame of being sent by the transmission terminal, when receiving bad frame or when the delivery time of described BTS is not also received corresponding Speech frame, when a last Speech frame of receiving is first kind Speech frame, carry out S203; When a last Speech frame of receiving is the second type Speech frame, carry out 204.
Wherein, described first kind Speech frame can be speech frame, and the described second type Speech frame can be for carrying the Frame of the quiet information of background.
Speech frame, or SID frame, and carry out following S203 or S204 according to the result that judgement obtains.
S203: at a last Speech frame of receiving is first kind Speech frame.When for example being speech frame, then send infilled frame to described receiving terminal.
S204: at a last Speech frame of receiving is the second type Speech frame, when for example being the SID frame, then continues to send described SID frame to described receiving terminal.
The foregoing description is when receiving, when sending out two terminals and all adopting the voice coding modes of EFR/FR/HR, up DTX opens when transmitter side, and the descending DTX of receiver side is when closing, because the BTS of receiver side is when receiving bad frame or when delivery time is not also received Speech frame, by reissue infilled frame or SID frame to receiving terminal, thereby the discontinuous Speech frame of receiving can be reverted to the continuous receiving terminal that sends to, make receiving terminal when carrying out down-run survey, can all be continuous Speech frame owing to what receive, thereby can improve global measuring result's accuracy, switch or the accuracy of power control judgement thereby make the BSC of receiver side to improve according to this global measuring result.
Simultaneously, for the EFR/FR/HR speech coding, because need constantly will coming from the Frame that sends terminal at TAF=1, the BTS of receiver side sends to receiving terminal, to carry out local measurement, and usually owing to reasons such as transmission delay or errors, described BTS possibly can't receive Speech frame constantly at TAF=1.And the method that adopts the embodiment of the invention can make receiver side at TAF=1 constantly, when not receiving when coming from the Speech frame that sends terminal, can reissue corresponding Speech frame to receiving terminal according to the type of previous frame, thereby guarantee the accuracy of receiver side local measurement, and can recover the quiet frame of background in time.
As shown in Figure 3, for inventing another method embodiment based on the speech transmissions of 3GPP system, communicating pair among this embodiment all adopts the speech coding of AMR, and adopt the DTX pattern to carry out the transmission of speech, when being set to descending DTX, the BTS of sub-district, receiving terminal place closes, the BTS that sends the sub-district at terminal place is made as up DTX when opening, and described method comprises:
S301: send terminal by up DTX module to the discontinuous Speech frame of receiving terminal transparent transmission, wherein, be in opening owing to send the up DTX of terminal, therefore, the transmission terminal is discontinuous Speech frame by up DTX module transmission, and said Speech frame comprises speech frame, SIDFirst frame, Onset frame and SIDUpdate frame.
S302: the BTS of sub-district, receiving terminal place receives in the process of the described discontinuous Speech frame of being sent by the transmission terminal, when receiving bad frame or when delivery time is not also received corresponding Speech frame, when a last Speech frame of receiving is first kind Speech frame, carrying out S303; When a last Speech frame of receiving is the second type Speech frame, carry out 304.
Wherein, described first kind Speech frame can be speech frame or voice and the background converted frames between quiet, and the described second type Speech frame is the Frame that carries the quiet information of background.
S303: receive that at last one Speech frame is a first kind Speech frame, when for example being speech frame, SIDFirst frame or Onset frame, then send infilled frame to described receiving terminal.
S304: at a last Speech frame of receiving is the second type Speech frame, when for example being the SIDUpdate frame, then continues to send described SIDUpdate frame to described receiving terminal.
The foregoing description is when receiving, when sending out two terminals and all adopting the voice coding modes of AMR, up DTX opens when transmitter side, and the descending DTX of receiver side is when closing, because the BTS of receiver side is when receiving bad frame or when delivery time is not also received Speech frame, can be according to the type of a last Speech frame of receiving, reissue infilled frame or SIDUpdate frame to receiving terminal, thereby the discontinuous Speech frame of receiving can be reverted to continuous Speech frame, make receiver side when carrying out down-run survey, can all be continuous Speech frame owing to what receive, thereby raising global measuring result's accuracy, thereby make the BSC of receiver side can improve the accuracy of switching or power control judgement according to this global measuring result.
Need to prove, above-mentioned Fig. 1 is the explanation of carrying out at voice coding method commonly used to method embodiment shown in Figure 3, certainly, in addition the Speech frame that obtains by other voice coding modes is applicable to technical solution of the present invention too, gives unnecessary details no longer one by one herein.
In addition, one of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, simultaneously, the software of this program correspondence also can be used as independently production marketing or use.Wherein, described storage medium can be ROM/RAM, magnetic disc, CD etc.
Based on technique scheme, the embodiment of the invention also discloses a kind of device that is used for speech transmissions based on the 3GPP system, described device can be integrated on the base station, can also be integrated in two terminals of sending and receiving in communication process on any one network node in transmission path.Wherein, device of the present invention is applicable to that the up DTX of transmitter side is an opening, and therefore, what transmitter side sent by the DTX module is discontinuous Speech frame, and the descending DTX of receiver side is the situation of closed condition.As shown in Figure 4, install the structured flowchart of embodiment for the present invention is a kind of, described device comprises: receiving element 401, reissue unit 402, wherein:
Described receiving element 401 is used to receive and comes from the discontinuous Speech frame that sends terminal; Wherein, described transmission terminal can adopt identical encoding and decoding speech with receiving terminal, can adopt the transparent transmission mode transmission; Described Speech frame is because the difference of voice coding modes can have different types.
The described unit 402 of reissuing is used for receiving bad frame or when delivery time is not also received corresponding Speech frame for transmission, according to the type of a last Speech frame of receiving, reissuing corresponding Speech frame to receiving terminal when described receiving element 401.
The described device of the foregoing description is in the process that receives discontinuous Speech frame, the described unit 402 of reissuing can received bad frame or not receive also that at delivery time corresponding Speech frame is when sending, can be according to the type of a last Speech frame of receiving, reissue corresponding Speech frame to receiving terminal, thereby the discontinuous Speech frame that will receive reverts to the continuous receiving terminal that sends to, make receiver side when carrying out down-run survey, can be continuous Speech frame owing to what receive, thereby can improve global measuring result's accuracy, switch or the accuracy of power control judgement thereby make the BSC of receiver side to advance to improve according to this global measuring result.
In addition, one skilled in the art will appreciate that because the voice coding modes difference that communicating pair adopts, therefore the Speech frame type that obtains is also different, for the ease of distinguishing, in this enforcement, Speech frame is divided into the first kind Speech frame and the second type Speech frame.For example for gsm system, described first kind Speech frame is speech frame or voice and the background converted frames between quiet, and the described second type Speech frame is the Frame that carries the quiet information of background.The described unit 402 of reissuing can still be that the second type Speech frame is reissued corresponding Speech frame for first kind Speech frame by judging a last Speech frame of receiving.
Therefore at this situation, the present invention also provides a device embodiment, and as shown in Figure 5, this embodiment is on basis embodiment illustrated in fig. 4, and the described unit 402 of reissuing can specifically comprise:
First kind Speech frame transmitting element 4021 is used for when a last Speech frame of receiving is first kind Speech frame, sends infilled frame to receiving terminal.Wherein, at different voice coding modes, described first kind Speech frame can be speech frame or voice and the background converted frames between quiet.For example, when adopting the EFR/FR/HR voice coding modes, described first kind Speech frame is a speech frame; When adopting the ARM voice coding modes, described first kind Speech frame is a speech frame, or voice and the background converted frames between quiet, and wherein, the converted frames between described voice and background are quiet comprises SIDFirst frame and Onset frame.
In addition, the present invention also provides another device embodiment, and as shown in Figure 6, this embodiment is on basis embodiment illustrated in fig. 4, and the described unit 402 of reissuing can specifically comprise:
The second type Speech frame transmitting element 4022 is used for when a last Speech frame of receiving is the second type Speech frame, continues to send a described last Speech frame of receiving to receiving terminal.Wherein, at different voice coding modes, the described second type Speech frame can be for carrying the Frame of the quiet information of background.For example, when adopting the EFR/FR/HR voice coding modes, the described second type Speech frame is the SID frame; When adopting the ARM voice coding modes, the described second type Speech frame is the SIDUpdate frame.
Said apparatus embodiment can make receiver side when carrying out down-run survey, improves global measuring result's accuracy, thereby makes the BSC of receiver side can improve the accuracy of switching or power control judgement according to this global measuring result.
Above-mentioned Fig. 4 is to device embodiment shown in Figure 6, when receiving bad frame or when delivery time is not also received corresponding Speech frame, type according to a last Speech frame of receiving is directly reissued corresponding Speech frame, therefore, the concrete rule of reissuing can set in advance before device is carried out its function.
In addition, above-mentioned embodiment illustrated in fig. 6 described in the second type Speech frame transmitting element 4022 not only can be applicable among the device embodiment shown in Figure 4, but also can be applied among the device embodiment shown in Figure 5, promptly with device embodiment shown in Figure 5 in first kind Speech frame transmitting element 4021 be integrated in described reissuing in the unit 402 jointly.
Based on this technical scheme, the invention discloses another kind of device embodiment, this device be applicable to when a last Speech frame of receiving may be when dissimilar, can be when receiving bad frame or when delivery time is not also received corresponding Speech frame, at first judge the particular type of going up a Speech frame of receiving, and then reissue corresponding Speech frame according to judged result.As shown in Figure 7, on the basis of the device embodiment that obtains after described second type Speech frame transmitting element 4022 and 4021 combinations of described first kind Speech frame transmitting element, the unit 402 of reissuing in the described device further comprises:
Judging unit 4023, be used for receiving bad frame or when delivery time is not also received corresponding Speech frame when described receiving element, judge that a last Speech frame of receiving is a first kind Speech frame, or the second type Speech frame, when being first kind Speech frame, instruct described first kind Speech frame transmitting element 4021 to carry out described transmission infilled frame function; When being the second type Speech frame, then instructing the described second type Speech frame transmitting element 4022 to carry out described continuation and send a described last Speech frame function.Wherein, described first kind Speech frame is speech frame or voice and the background converted frames between quiet, and the described second type Speech frame is the Frame that carries the quiet information of background;
Said apparatus embodiment can be with from reverting to the continuous receiving terminal that sends to again with the discontinuous Speech frame that sends terminal, make receiver side when carrying out down-run survey, can be continuous Speech frame owing to what receive, thereby raising global measuring result's accuracy, thereby make the BSC of receiver side can improve the accuracy of switching or power control judgement according to this global measuring result.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1, a kind of method of speech transmissions is characterized in that, described method comprises:
Reception comes from the discontinuous Speech frame that sends terminal;
When receiving bad frame or when delivery time is not also received corresponding Speech frame,, reissuing corresponding Speech frame to receiving terminal according to the type of a last Speech frame of receiving.
2, the method for speech transmissions as claimed in claim 1 is characterized in that, described type according to a last Speech frame of receiving is reissued corresponding Speech frame to receiving terminal and specifically comprised:
When a last Speech frame of receiving is first kind Speech frame, send infilled frame to receiving terminal.
3, the method for speech transmissions as claimed in claim 1 is characterized in that, described type according to a last Speech frame of receiving is reissued corresponding Speech frame to receiving terminal and specifically comprised:
When a last Speech frame of receiving is the second type Speech frame, continue to send a described last Speech frame of receiving to receiving terminal.
4, the method for speech transmissions as claimed in claim 2 is characterized in that, described first kind Speech frame is speech frame or voice and the background converted frames between quiet.
5, the method for speech transmissions as claimed in claim 4 is characterized in that,
When described Speech frame adopted enhanced full rate speech codec, full-speed voice codec or half-rate speech codec encodes, described first kind Speech frame was a speech frame; Or
When described Speech frame adopted the adaptive multi-rate coding mode to encode, described first kind Speech frame was speech frame, SIDFirst frame or Onset frame.
6, the method for speech transmissions as claimed in claim 3 is characterized in that, the described second type Speech frame is the Frame that carries the quiet information of background.
7, the method for speech transmissions as claimed in claim 6, it is characterized in that, when described Speech frame adopted enhanced full rate speech codec, full-speed voice codec or half-rate speech codec encodes, the described second type Speech frame was the SID frame; Or
When described Speech frame adopted the adaptive multi-rate coding mode to encode, the described second type Speech frame was the SIDUpdate frame.
As the method for each described speech transmissions in the claim 1 to 7, it is characterized in that 8, described transmission terminal is used identical voice encoding and decoding mode with receiving terminal, before described reception action, described method also comprises:
Described transmission terminal adopts transparent transmission mode to send discontinuous Speech frame.
9, a kind of device that is used for speech transmissions is characterized in that, described device comprises:
Receiving element is used to receive and comes from the discontinuous Speech frame that sends terminal;
Reissue the unit, be used for receiving bad frame or when delivery time is not also received corresponding Speech frame,, reissuing corresponding Speech frame to receiving terminal according to the type of a last Speech frame of receiving when described receiving element.
10, the device that is used for speech transmissions as claimed in claim 9 is characterized in that, the described unit of reissuing comprises:
First kind Speech frame transmitting element is used for when a last Speech frame of receiving is first kind Speech frame, sends infilled frame to receiving terminal.
11, as claim 9 or the 10 described devices that are used for speech transmissions, it is characterized in that the described unit of reissuing comprises:
The second type Speech frame transmitting element is used for when a last Speech frame of receiving is the second type Speech frame, continues to send a described last Speech frame of receiving to receiving terminal.
12, the device that is used for speech transmissions as claimed in claim 10 is characterized in that, described first kind Speech frame is speech frame or voice and the background converted frames between quiet.
13, the device that is used for speech transmissions as claimed in claim 11 is characterized in that, the described second type Speech frame is the Frame that carries the quiet information of background.
14, the device that is used for speech transmissions as claimed in claim 9 is characterized in that, described device is integrated on the base station, perhaps other network nodes of two terminals of sending and receiving transmission path of being used for communicating by letter.
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| CN 200710151252 CN101394225B (en) | 2007-09-17 | 2007-09-17 | Method and device for speech transmission |
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| CN 200710151252 CN101394225B (en) | 2007-09-17 | 2007-09-17 | Method and device for speech transmission |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015109599A1 (en) * | 2014-01-27 | 2015-07-30 | 华为技术有限公司 | Radio communication method, access point, and station |
| CN105991374A (en) * | 2015-03-16 | 2016-10-05 | 施耐德电器工业公司 | Method for monitoring communication between transmitter and receiver |
| CN106663436A (en) * | 2014-07-28 | 2017-05-10 | 弗劳恩霍夫应用研究促进协会 | Apparatus and method for comfort noise generation mode selection |
| CN107682360A (en) * | 2017-10-31 | 2018-02-09 | 维沃移动通信有限公司 | The processing method and mobile terminal of a kind of voice call |
| US10172160B2 (en) | 2014-01-27 | 2019-01-01 | Huawei Technologies Co., Ltd. | Channel contention method, access point, and station |
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| FI99066C (en) * | 1995-01-31 | 1997-09-25 | Nokia Mobile Phones Ltd | data Transfer method |
| US6631139B2 (en) * | 2001-01-31 | 2003-10-07 | Qualcomm Incorporated | Method and apparatus for interoperability between voice transmission systems during speech inactivity |
| CN100388824C (en) * | 2005-01-14 | 2008-05-14 | 华为技术有限公司 | Decoding method for adaptive multi-rate speech coding in non-consecutive transmitting mode |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015109599A1 (en) * | 2014-01-27 | 2015-07-30 | 华为技术有限公司 | Radio communication method, access point, and station |
| US9854449B2 (en) | 2014-01-27 | 2017-12-26 | Huawei Technologies Co., Ltd. | Wireless communication method, access point, and station |
| US10172160B2 (en) | 2014-01-27 | 2019-01-01 | Huawei Technologies Co., Ltd. | Channel contention method, access point, and station |
| CN106663436A (en) * | 2014-07-28 | 2017-05-10 | 弗劳恩霍夫应用研究促进协会 | Apparatus and method for comfort noise generation mode selection |
| CN106663436B (en) * | 2014-07-28 | 2021-03-30 | 弗劳恩霍夫应用研究促进协会 | Apparatus and method for comfort noise generation mode selection |
| CN105991374A (en) * | 2015-03-16 | 2016-10-05 | 施耐德电器工业公司 | Method for monitoring communication between transmitter and receiver |
| CN107682360A (en) * | 2017-10-31 | 2018-02-09 | 维沃移动通信有限公司 | The processing method and mobile terminal of a kind of voice call |
| CN107682360B (en) * | 2017-10-31 | 2020-09-08 | 维沃移动通信有限公司 | Voice call processing method and mobile terminal |
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