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34results about How to "Improve anti-packet loss performance" patented technology
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Multilink tunnel message transmitting method and system
ActiveCN103490972AImprove anti-packet loss performanceQuick switchNetworks interconnectionTransport systemPacket loss
The invention relates to a data communication technology and discloses a multilink tunnel message transmitting method and system. The technical scheme is that a virtual L2TP tunnel is configured for each link, and the links where the L2TP tunnels are established are bound and identified; various queues are initialized, and a sending main queue and a receiving main queue are established; when messages reach to the sending end, the messages of the sending main queue are numbered, and serial numbers of different L2TP message header identification messages are packaged after interfaces are selected according to load configuration; the bandwidth is calculated according to the packet loss ratio, and the sending rate of each link is adjusted according to the bandwidth. The multilink tunnel message transmitting system is composed of a sender and a receiver. The orderly transmission and anti-packet-loss capacity of links can be enhanced. The purposes of time delay equalization and service bandwidth widening are achieved by binding multiple links and reasonably adjusting the sending rate of each link.
Owner:MAIPU COMM TECH CO LTD
Anti-packet loss method, device and system in real-time communication
ActiveCN107196746AImplement Adaptive ProcessingImprove anti-packet loss performanceError prevention/detection by using return channelChannel coding adaptationPacket lossForward error correction
The invention discloses an anti-packet loss method, a device and a system in real-time communication. The method comprises steps: a network data packet is transmitted to a receiving end, wherein the network data packet comprises video frame data after coding and FEC (Forward Error Correction) redundant data, and the FEC redundant data determine a corresponding FEC redundant level; feedback data transmitted after the receiving end analyzes and restores the network data packet are received; when the feedback data are packet loss feedback data, according to the current packet loss model, the corresponding level of FEC redundant data is reselected from preset multiple groups of redundant levels of FEC redundant data, and the data are transmitted to the receiving end; besides, when the feedback data are decoding error feedback data , according to the current decoding error model, an independent decoding frame corresponding to the decoding error frame is acquired and transmitted to the receiving end. The problems that processing on the network packet loss can not meet requirements of high quality and low bandwidth in the prior art, and the anti-packet loss ability is poor can be solved, and the anti-packet loss ability in the real-time communication process is enhanced.
Owner:ZTE CORP
Audio encoding method and device, audio decoding method and device, and encoding and decoding system
ActiveCN102810314AImprove anti-packet loss performanceStrong correlationSpeech analysisForward error control useData transmissionAudio frequency
The embodiment of the invention discloses an audio encoding method and device, an audio decoding method and device, and an encoding and decoding system, which can improve the anti-packet loss performance in the audio data transmission process. The methods are applied to the audio encoding and decoding system comprising at least two sound channels, and comprise the steps as follows: audio data of N sound channels is acquired; the acquired audio data of the N sound channels is processed through sound channel interlacing packing to obtain data packets; each data packet comprises X*N sections of the audio data, wherein X is a specific value of the number of the audio data in one data packet and the number of the audio data in one audio frame, and X is an integer that is more than or equals to 1; in the X*N sections of the audio data, and at least X+1 sections of the audio data belong to different audio frames. The embodiment of the invention also provides the audio decoding method, the related device, and the encoding and decoding system. The embodiment of the invention can effectively improve the anti-packet loss performance in the audio data transmission process.
Owner:GLOBAL INNOVATION AGGREGATORS LLC
Data transmission method and device, terminal and storage medium
ActiveCN110890945AAvoid congestionFight against packet lossError prevention/detection by using return channelSpeech analysisData packPacket loss
The invention discloses a data transmission method and device, a terminal and a storage medium, and belongs to the technical field of networks. The method comprises the following steps of making voicecriticality analysis on to-be-transmitted audios; obtaining key levels of to-be-transmitted audio frames in the to-be-transmitted audios; according to current redundancy multiples and redundancy multiple factors corresponding to the key levels of the to-be-transmitted audio frames, determining the to-be-transmitted audio frames; obtaining correction redundancy multiples of the to-be-transmitted audio frames, copying the to-be-transmitted audio frames according to the correction redundancy multiple of each audio frame to be transmitted to obtain at least one redundant data packet, and sending the at least one redundant data packet to the target terminal, so that the anti-packet loss effect of the network can be improved under the condition of not causing network congestion.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Video sending method and device, computer readable storage medium and electronic equipment
ActiveCN109819272AImprove viewing experienceImprove error resilienceDigital video signal modificationSelective content distributionPacket lossVideo transmission
The invention discloses a video sending method and device, a computer readable storage medium and electronic equipment, and belongs to the technical field of computer programs. The method comprises the steps of obtaining a video live program source; Encoding the video live program source to obtain a basic layer code stream and an enhancement layer code stream; Generating code streams correspondingto different playing image qualities according to the basic layer code streams and the enhancement layer code streams; When a playback instruction triggered by a user is received, determining targetplaying image quality according to a bandwidth condition of the user; And sending the code stream corresponding to the target playing image quality to terminal equipment corresponding to the user, sothat the terminal equipment outputs a video stream of the target playing image quality matched with the bandwidth condition after decoding the code stream. The device, the storage medium and the electronic equipment can be used for realizing the method. The method can be self-adaptive to the network environment of terminal equipment, one-time coding is adopted, the operation consumption and bandwidth consumption caused by multiple times of coding can be reduced, and the error reply and packet loss resistance of video transmission are also improved.
Owner:PING AN TECH (SHENZHEN) CO LTD
Video data transmission method and device, electronic equipment and storage medium
InactiveCN110225347AImprove anti-packet loss performanceImprove reliabilityDigital video signal modificationSelective content distributionData transmissionTelecommunications link
The invention discloses a video data transmission method and device and a storage medium. When the network quality of a communication link becomes poor, a sending device extracts key information in the video data packet to generate a second data packet, the video data packet and the second data packet are sent to the receiving end, the original video data can be recovered by utilizing the key information in the second data packet, so that the reliability of video data transmission can be improved, and the packet loss resistance of network quality deterioration can be enhanced.
Owner:BEIJING DA MI TECH CO LTD
Dynamic FEC method and device, computer terminal and computer readable storage medium
ActiveCN109818714AImprove the ability to resist packet lossBalance of expenses and benefitsError preventionData transmissionReal-time computing
The invention relates to a dynamic FEC method. The invention discloses a device, a computer terminal and a computer readable storage medium. The method includes: obtaining a current network packet loss rate , the current buffer delay and the current network bandwidth fed back by a receiving end; calculating a corresponding current weighted network packet loss rate according to the current networkpacket loss rate; when the current weighted network packet loss rate exceeds a first preset threshold value, judging whether the current weighted network packet loss rate exceeds a second preset threshold value; turning on Two-dimensional FEC, calculating the corresponding two-dimensional FEC redundancy according to the current weighted network packet loss rate and the current network bandwidth; and generating the corresponding two-dimensional FEC repair packet according to the two-dimensional FEC redundancy and the current buffer delay and sent to the receiving end. the two-dimensional FEC can be dynamically selected according to the weighted packet loss rate, the packet loss resistance of the network data transmission process is improved, and effective balance is obtained between the overhead and income of network bandwidth resources.
Owner:BEIJING CENTURY TAL EDUCATION TECH CO LTD
Freeswitch-based high-performance media forwarding method and device
ActiveCN107104974AImprove operational efficiencyImprove forwarding processing efficiencyData switching networksReal-time computingPacket loss
The invention provides a freeswitch-based high-performance media forwarding method. The method comprises the following steps that a source sends an RTP message to a freeswitch; the freeswitch caches the received RTP message to a jitterbuffer; meanwhile, the freeswitch modifies a message header of the RTP message and forwards the modified RTP message to each corresponding target device; each target device receives the RTP message and detects whether the RTP message has packet loss, and if the packet loss is detected, the lost RTP message is obtained from the jitterbuffer of the freeswitch again; and if no packet loss exists, the forwarding of the RTP message is ended. The method and the device have the advantages that the running efficiency of the freeswitch can be improved, the forwarding processing efficiency of the freeswitch about the message is improved, and the packet loss resistance of a network can be effectively enhanced.
Owner:FUJIAN STAR NET WISDOM TECH CO LTD
Network adaptive anti-packet-loss method, network adaptive anti-packet-loss device and terminal device
ActiveCN109327283AImprove anti-packet loss performanceChannel coding adaptationForward error control useMessage lengthPacket loss
The invention is applied to the technical field of data transmission, and provides a network adaptive anti-packet-loss method, a network adaptive anti-packet-loss device and a terminal device. The network adaptive anti-packet-loss method comprises the steps of: receiving packet-loss feedback information, wherein the packet-loss feedback information comprises the packet loss probability; if the packet loss probability is greater than the pre-set value, adjusting the redundancy of forward erasure correction FEC and / or the interleaving depth of interleaving coding till the redundancy is up to thefirst threshold value and / or the interleaving depth is up to the second threshold value; and, after the redundancy is up to the first threshold value and / or the interleaving depth is up to the secondthreshold value, if the packet loss probability is still greater than the pre-set value, adjusting the message length till the message length is up to the third threshold value. According to the embodiment of the invention, in a condition that the network quality is relatively poor, multiple parameters can be adjusted; namely, the FEC redundancy and / or the interleaving depth can be adjusted at first; then, the message length is adjusted; and thus, the anti-packet-loss capability of the system is improved.
Owner:SHENZHEN INPOR CLOUD COMPUTING CO LTD
Image recovery method and coding end
InactiveCN110875906AReduce network packet lossImprove anti-packet loss performanceDigital video signal modificationTransmissionPattern recognitionPacket loss
The embodiment of the invention discloses an image recovery method and device, and the method comprises the steps: obtaining a reference candidate frame according to the inter-frame similarity and thequality of a reconstructed image when determining that the image quality needs to be adjusted; and allocating bits to a target frame according to the reference candidate frame, and performing video coding on the target frame based on the bits allocated to the target frame. Therefore, the reference candidate frame is adaptively adjusted through the inter-frame similarity and the reconstructed image quality, so that the bit allocation of the target frame is adjusted, the network packet loss of the image frame is reduced, the packet loss resistance of the image is effectively improved, and the better image quality and fluency are obtained while the image is quickly recovered at the decoding end.
Owner:ZTE CORP
A method and device for data processing
ActiveCN109167965AQuality improvementReduce redundancyTelevision conference systemsClosed circuit television systemsPacket lossVideo transmission
The invention provides a method and a device for data processing. The method comprises: receiving a media packet and an erasure packet corresponding to an M-th erasure frame; adding the received mediapacket to a first cache queue; adding the received erasure packet to a second cache queue; adding the erasure packet to a second cache queue; and adding the erasure packet to a second cache queue; judging whether the media packet in the first buffer queue and the erasure packet in the second buffer queue satisfy a preset condition when the K-th media packet is detected to be lost; restoring the K-th media packet and are added to the first buffer queue by means of a media packet in that first buff queue and an erasure packet in the second buffer queue when the preset condition is satisfied; when detecting that the media packets corresponding to the M-th erasure frame are received completely, organizing the media packets corresponding to the M-th erasure frame in the first buffer queue intovideo frame data. The invention realizes the recovery of the packet loss, reduces the redundancy of the data, improves the ability of resisting packet loss, and improves the real-time property of video transmission and the quality of video viewing.
Owner:海南视联通信技术有限公司
Message processing method and device and computer readable storage medium
ActiveCN110233856AImprove anti-packet loss performanceImprove accuracyError prevention/detection by using return channelData switching networksPacket lossMessage processing
The embodiment of the invention provides a message processing method and device and a computer readable storage medium, and relates to the technical field of audio and video real-time communication. The message processing method comprises the following steps: judging whether a packet loss problem exists in message transmission carried out within a preset time length or not according to non-retransmission messages in a plurality of RTP messages received within the preset time length; when the packet loss problem exists, determining a first packet loss number according to message serial numbersof non-retransmission messages in the RTP messages, wherein the first packet loss number refers to the number of the RTP messages lost in message transmission carried out within the preset duration; and feeding back a first RTCP message carrying the first packet loss number to a second terminal, so that the second terminal determines a first packet sending amount according to the first packet lossnumber, and sending an RTP message to the first terminal according to the first packet sending amount. According to the invention, the accuracy of the packet loss number obtained through calculationcan be improved.
Owner:北京云中融信网络科技有限公司
Data transmission method and device, electronic equipment and storage medium
ActiveCN114401208ARecover in timeEfficient use ofChannel coding adaptationEngineeringPacket loss rate
The invention discloses a data transmission method and device, electronic equipment and a storage medium, and relates to the technical field of communication, in particular to the field of voice and information streams. According to the specific implementation scheme, the packet loss rate of a target transmission link is obtained, a coding time interval is determined according to the packet loss rate, an original message generated in the coding time interval is coded to obtain a target message, and then the target message is sent to a receiving end through the target transmission link. The sending end can dynamically adjust the coding time interval according to the packet loss rate, so that bandwidth resources of a network can be effectively utilized, lost messages can be recovered in time, delay caused by retransmission of lost packets is effectively reduced, and the packet loss resistance is improved.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD
Voice signal processing method, system and device, computer equipment and storage medium
The invention relates to a voice signal processing method, system and device, computer equipment and a storage medium. The method comprises the steps of: enabling an encoder to obtain a voice residualsignal from an original voice signal, and then carrying out shunting on the voice residual signal to obtain a plurality of sub-voice residual signals; acquiring compensation information of each sub-voice residual signal based on preset compensation configuration; and then sending a code stream comprising each sub-voice residual signal and the corresponding compensation information to a decoder, wherein the code stream is used for indicating the decoder to decode according to each sub-voice residual signal and the corresponding compensation information. According to the method, the packet lossresistance of the voice encoder can be effectively improved.
Owner:广州方硅信息技术有限公司
Device and method of sending and receiving speech frame
ActiveCN103516469AImprove anti-packet loss performanceWork around media units that cannot decode the main encoded dataError preventionCode modulePacket loss
The invention discloses a device and method of sending and receiving speech frames. The device of sending speech frames comprises a calculating module which is used for, based on a first coding time delay of a first preset coding algorithm and a second coding time delay of a second preset coding algorithm, respectively calculating initial positions of coding synchronization of the first preset coding algorithm and the second preset coding algorithm; a coding module which is used for, based on the calculated initial positions, respectively employing the first preset coding algorithm and the second preset coding algorithm to code collected speech frames; and a sending module which is used for integrating and sending a current speech frame among the collected speech frames coded by the first preset coding algorithm and a previous speech frame among the collected speech frame coded by the second preset coding algorithm. According to the technical scheme of the invention, primary and secondary coding technologies can better adapt to different coding and decoding algorithms, such that the resistance to packet loss of speech transmission is enhanced while the time delay is low and the bandwidth cost is low.
Owner:ZTE CORP
Packet loss prevention method and device for unreliable network, storage medium and electronic equipment
ActiveCN111245566AQuality assuranceImprove anti-packet loss performanceError prevention/detection by using return channelError detection/prevention using signal quality detectorData packQuality data
The invention provides an unreliable network packet loss prevention method and device, a storage medium and electronic equipment, and the method comprises the steps: determining a plurality of first effective data packets comprising corresponding first numbers, and sequentially transmitting the first effective data packets to first target equipment according to a transmission sequence; if the first packet loss rate fed back by the first target device is obtained, determining a plurality of second effective data packets containing corresponding second numbers according to the first packet lossrate, and sequentially sending the second effective data packets to the first target device according to the sending sequence. According to the embodiment of the invention, the data packets sent to the target equipment comprise the numbers generated in sequence, so the target equipment can calculate the packet loss rate in real time, the server can adjust the coding strategy in real time based onthe packet loss rate, dynamic coding can be realized according to the network state, the packet loss resistance is improved, and the data transmission quality is ensured; in an unreliable network environment with high packet loss rate, low-quality data can be provided.
Owner:北京创世云科技股份有限公司
Volte guarantee transmission method, device and system
ActiveCN110191488AImprove wireless network transmission securityImprove call qualityError preventionNetwork traffic/resource managementPacket lossEncapsulated data
The invention relates to a Volte guarantee transmission method, device and system, and the Volte guarantee transmission method comprises the following steps: receiving each packaged data packet and each packaged redundant packet transmitted by transmitting equipment; when each packaged data packet satisfies a packet loss decoding condition, performing FEC decoding on the packaged data packet basedon the packaged redundant packet to obtain a packaged data packet after packet loss recovery; sequentially removing the RLC headers of the packaged data packets after packet loss recovery, and obtaining various Volte voice data messages; and when each packaged data packet does not meet the packet loss decoding condition, sequentially removing the RLC head from each packaged data packet to obtaineach Volte voice data message. The transmission guarantee of the wireless network of the message can be improved, the packet loss resistance in the voice data transmission process of the Volte is enhanced, and the call quality of the Volte is further improved.
Owner:COMBA TELECOM SYST CHINA LTD
Speech frame sending and receiving device and method
The invention discloses a device and method of sending and receiving speech frames. The device of sending speech frames comprises a calculating module which is used for, based on a first coding time delay of a first preset coding algorithm and a second coding time delay of a second preset coding algorithm, respectively calculating initial positions of coding synchronization of the first preset coding algorithm and the second preset coding algorithm; a coding module which is used for, based on the calculated initial positions, respectively employing the first preset coding algorithm and the second preset coding algorithm to code collected speech frames; and a sending module which is used for integrating and sending a current speech frame among the collected speech frames coded by the first preset coding algorithm and a previous speech frame among the collected speech frame coded by the second preset coding algorithm. According to the technical scheme of the invention, primary and secondary coding technologies can better adapt to different coding and decoding algorithms, such that the resistance to packet loss of speech transmission is enhanced while the time delay is low and the bandwidth cost is low.
Owner:ZTE CORP
Dynamic fec method, device, computer terminal and computer readable storage medium
ActiveCN109818714BImprove anti-packet loss performanceRealize real-time automatic adjustmentError preventionComputer terminalPacket loss rate
The present invention relates to a dynamic FEC method, device, computer terminal and computer-readable storage medium. By obtaining the current network packet loss rate fed back by the receiving end, the current buffer delay and the current network bandwidth, the corresponding current weighting is calculated according to the current network packet loss rate. Network packet loss rate, when the current weighted network packet loss rate exceeds the first preset threshold, two-dimensional FEC is turned on, and the corresponding two-dimensional FEC redundancy is calculated according to the current weighted network packet loss rate and the current network bandwidth, according to The two-dimensional FEC redundancy and the current buffer delay generate the corresponding two-dimensional FEC repair package and send it to the receiving end. The two-dimensional FEC can be dynamically selected according to the weighted packet loss rate, which improves the anti-packet loss capability of the network data transmission process. An effective balance is achieved between the overhead and benefits of network bandwidth resources.
Owner:BEIJING CENTURY TAL EDUCATION TECH CO LTD
Multi-link tunnel message transmission method and system
ActiveCN103490972BImprove anti-packet loss performanceQuick switchNetworks interconnectionTransport systemTelecommunications
The present invention relates to data communication technology. The invention discloses a multi-link tunnel message transmission method and system. Note that the technical solution of the method of the present invention includes configuring a virtual L2TP tunnel on each link, binding and identifying the links with established L2TP tunnels; initializing various queues, establishing a total sending queue, and a total receiving queue ; When the message arrives at the sending end, number the messages in the total sending queue, select the outbound interface according to the load configuration, and encapsulate the serial number of the different L2TP message header to identify the message; calculate the bandwidth according to the packet loss rate, and Adjust the sending rate of each link according to the bandwidth. The invention simultaneously discloses a multi-link tunnel message transmission system composed of a sender and a receiver. The invention can enhance link orderly transmission and anti-packet loss capability. By binding multiple links, the transmission rate of each line is reasonably adjusted to achieve balanced delay and expand service bandwidth.
Owner:MAIPU COMM TECH CO LTD
Anti-packet loss method, device and system in real-time communication
ActiveCN107196746BImplement Adaptive ProcessingImprove anti-packet loss performanceError prevention/detection by using return channelChannel coding adaptationData packPacket loss
Owner:ZTE CORP
A multi-person call control method, device, electronic equipment and storage medium
ActiveCN111628992BReduce consumptionReduce usageTransmissionSelective content distributionPacket loss rateCall control
The present application relates to the field of communication technology, and in particular to a multi-person call control method, device, electronic equipment, and storage medium, respectively acquiring the sound signals of each uplink audio channel, wherein each uplink audio channel, downlink audio channel and call participation One-to-one correspondence between terminals; respectively determine the packet loss rate of each uplink audio channel; determine the mixing contribution of each uplink audio channel according to the participation of each sound signal in the downmix signal of each downlink audio channel degree; according to the packet loss rate and the mixing contribution of each upstream audio channel, respectively obtain the target repetition multiplier of each upstream audio channel, so that, in combination with the packet loss rate and the mixing contribution, determine the final The target repeats multiple multiples, realizing the reduction of bandwidth consumption while ensuring the call quality of multi-person calls.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Audio data sending method and device, audio data receiving method and device, terminal and storage medium
PendingCN114301884AImprove anti-packet loss performanceOccupies transmission bandwidthError prevention/detection by using return channelComputer hardwarePacket loss
The embodiment of the invention discloses an audio data sending method and device, an audio data receiving method and device, a terminal and a storage medium, and belongs to the field of audio coding and decoding. The method comprises the steps that m-level audio coding is conducted on an nth audio frame, m-level coded data of the nth audio frame are obtained, the coded data of different levels correspond to different code rates, and m is an integer larger than or equal to 2; an nth audio data packet is generated based on the m-level coded data of the nth audio frame and historical coded data of historical audio frames before the nth audio frame, and the code rate of the coded data corresponding to the nth audio frame in the mth audio data packet is higher than the code rate of the historical coded data corresponding to the historical audio frames; and sending the nth audio data packet to an audio receiving end. By adopting the scheme provided by the embodiment of the invention, the packet loss resistance of audio data transmission can be improved under the condition of not increasing sent data packets.
Owner:TENCENT TECH (SHENZHEN) CO LTD
A data processing method and device, and a computer-readable storage medium
ActiveCN109951254BImprove anti-packet loss performanceImprove accuracyError prevention/detection by using return channelData packComputer architecture
Owner:TENCENT TECH (SHENZHEN) CO LTD
Data processing system and method
PendingCN114257349AGuaranteed continuityImprove anti-packet loss performanceError prevention/detection by using return channelData transmissionEngineering
The invention provides a data processing system and method, and the method comprises the steps: segmenting data to be processed through a segmentation module, and transmitting a plurality of obtained segmented data units to a receiving detection module through a data transmission module; and the receiving detection module splices the plurality of segmented data units, and if it is judged that the lost segmented data units exist according to a data splicing result, a corresponding sending request is generated, so that the lost segmented data units are inquired and obtained from the storage module, and the data splicing result is updated. According to the system, the to-be-processed data is segmented through the segmentation module, so that the data flow transmitted each time is small, the continuity of data transmission is ensured, and the packet loss resistance is improved; the data splicing result is detected through the receiving detection module, the lost segmented data unit can be found in time, the lost segmented data unit can be quickly inquired from the storage module and transmitted, and due to the fact that only the lost segmented data unit needs to be transmitted again, the delay time is shortened.
Owner:北京数码视讯技术有限公司
Video processing method and device and electronic equipment
PendingCN114173153AImprove anti-packet loss performanceShort delay timeSelective content distributionData packTelecommunications
The invention provides a video processing method and device and electronic equipment, and the method comprises the steps: setting a sequence identifier for each obtained first video data packet according to a time axis sequence; processing each first video data packet to obtain a plurality of second video data packets of which the occupied storage spaces meet a preset threshold range; encoding the plurality of second video data packets to obtain a plurality of third video data packets; and sending the plurality of third video data packets to a receiving device by adopting a satellite channel, and decoding and splicing the plurality of third video data packets according to the plurality of sequence identifiers through the receiving device to obtain a video splicing result. According to the mode, each first video data packet can be processed, so that the second storage space occupied by the second video data packet obtained after processing is within the preset threshold range, and the second video data packet meeting the preset threshold range is coded and transmitted; the method and the device can improve the packet loss resistance of video data packets transmitted by a satellite channel, and shorten the delay time at the same time.
Owner:北京数码视讯技术有限公司
A method and device for data processing
ActiveCN109167965BQuality improvementReduce redundancyTelevision conference systemsClosed circuit television systemsPacket lossVideo transmission
The invention provides a method and a device for data processing. The method comprises: receiving a media packet and an erasure packet corresponding to an M-th erasure frame; adding the received mediapacket to a first cache queue; adding the received erasure packet to a second cache queue; adding the erasure packet to a second cache queue; and adding the erasure packet to a second cache queue; judging whether the media packet in the first buffer queue and the erasure packet in the second buffer queue satisfy a preset condition when the K-th media packet is detected to be lost; restoring the K-th media packet and are added to the first buffer queue by means of a media packet in that first buff queue and an erasure packet in the second buffer queue when the preset condition is satisfied; when detecting that the media packets corresponding to the M-th erasure frame are received completely, organizing the media packets corresponding to the M-th erasure frame in the first buffer queue intovideo frame data. The invention realizes the recovery of the packet loss, reduces the redundancy of the data, improves the ability of resisting packet loss, and improves the real-time property of video transmission and the quality of video viewing.
Owner:海南视联通信技术有限公司
Anti-packet loss method, device, storage medium and electronic equipment for unreliable network
ActiveCN111245566BQuality assuranceImprove anti-packet loss performanceError prevention/detection by using return channelError detection/prevention using signal quality detectorData packQuality data
Owner:北京创世云科技股份有限公司
A network adaptive anti-packet loss method, device and terminal equipment
ActiveCN109327283BImprove anti-packet loss performanceChannel coding adaptationForward error control useTerminal equipmentEngineering
The present invention is applicable to the technical field of data transmission, and provides a network adaptive anti-packet loss method, device and terminal equipment, including: receiving packet loss feedback information; wherein, the packet loss feedback information includes a packet loss rate; if the If the packet loss rate is greater than a preset value, then adjust the redundancy of forward error correction coding FEC and / or the interleaving depth of interleaving coding until the redundancy reaches the first threshold and / or the interleaving depth reaches the second up to the threshold; after the redundancy reaches the first threshold and / or the interleaving depth reaches the second threshold, if the packet loss rate is still greater than the preset value, then adjust the message length until the message length until the third threshold is reached. In the case of poor network quality, the embodiments of the present invention can adjust multiple parameters, that is, first adjust FEC redundancy and / or interleaving depth, and then adjust message length, thereby enhancing the anti-packet loss capability of the system.
Owner:SHENZHEN INPOR CLOUD COMPUTING CO LTD
Message processing method, device and computer-readable storage medium
ActiveCN110233856BImprove anti-packet loss performanceImprove accuracyError prevention/detection by using return channelPacket lossEngineering
Embodiments of the present application provide a message processing method, device, and computer-readable storage medium, which relate to the technical field of audio and video real-time communication. Wherein, the message processing method includes judging whether there is a packet loss problem in the message transmission carried out within the preset time length according to non-retransmission messages in a plurality of RTP messages received within the preset time length; When the problem occurs, the first packet loss number is determined according to the packet sequence numbers of the non-retransmitted packets in the plurality of RTP packets, and the first packet loss number refers to the packet transmission carried out within the preset duration the number of lost RTP packets; feeding back the first RTCP packet carrying the first packet loss number to the second terminal, so that the second terminal determines the first packet sending amount according to the first packet loss number, and sending an RTP message to the first terminal according to the first packet sending amount. The application can improve the accuracy of the calculated packet loss number.
Owner:北京云中融信网络科技有限公司
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