CN104601284B - A kind of method, apparatus and system of data information transfer - Google Patents
A kind of method, apparatus and system of data information transfer Download PDFInfo
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- CN104601284B CN104601284B CN201510016781.8A CN201510016781A CN104601284B CN 104601284 B CN104601284 B CN 104601284B CN 201510016781 A CN201510016781 A CN 201510016781A CN 104601284 B CN104601284 B CN 104601284B
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- 238000001514 detection method Methods 0.000 claims description 24
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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Abstract
The present invention provides a kind of methods of data information transfer, apparatus and system, the source device for sending speech audio detects the empty speech frame in the VoP, newly-increased data frame is obtained in the newly-increased data information that frame identification marking is added in the data payload region of detected empty speech frame and chooses in advance, transmission to target device will be passed through comprising the VoP of the newly-increased data frame, the target device detects the newly-increased data frame that frame identification marking is carried in the VoP, extract the newly-increased data information in the newly-increased data frame, the newly-increased data frame is replaced with empty speech frame, speech audio is obtained after decompressing to VoP decoding.Newly-increased data information transfer is carried to target device using the resulting empty speech frame of speech gaps in speech audio, target device not only obtains the speech audio of source device transmission, the newly-increased data information that empty speech frame carries can also be obtained, the utilization rate of transmission channel resources is improved.
Description
Technical field
The present invention relates to fields of communication technology, more particularly to the method, apparatus and system of a kind of data information transfer.
Background technique
Currently, being in existing Digital Clustering (Professional Digital Trunking, PDT) communication system
Source device in system receives the speech audio of caller input, obtains VoP after speech audio is carried out compressed encoding,
The VoP is exported into the transmission channel into PDT communication system from air interface, the VoP passes through institute
Transmission channel is stated to target device.
Due between word and word, having between word and word and between sentence and sentence and stopping in the speech audio of caller input
, therefore, to including real speech frame and empty speech frame in obtained VoP after speech audio compressed encoding.Wherein,
Resulting data information after the literal code in speech audio is carried in real speech frame, empty speech frame is used in VoP
Any data information is not carried in the null frame for being spaced each real speech frame, empty speech frame.Target device receives voice
After data packet, word audio is obtained to the data information decoding that the real speech frame in VoP carries, by empty speech frame solution
Code obtains the pause between word audio, so that reduction obtains speech audio.
For PDT communication system using the narrow band communication mode of low rate, transmission channel resources are limited, and traffic rate is
9.6kbps, only with 3.6kbps transmitting audio data packet therein.However, existing in the transmission process of VoP
The empty speech frame that any data information can not be largely brought to target device, causes channel utilization low.
Summary of the invention
Present invention solves the technical problem that be to provide the method, apparatus and system of a kind of data information transfer, so as to
Enough empty speech frames between speech frame real in VoP add newly-increased data information, using empty speech frame to target device
Newly-increased data information is transmitted, it is low to solve transmission channel utilization rate.
For this purpose, the technical solution that the present invention solves technical problem is:
A kind of method of data information transfer, applied to the source device for sending speech audio, which comprises
The speech audio for receiving caller input carries out compressed encoding and obtains VoP；
The empty speech frame in the VoP is detected using voice-activation detecting method；
When detecting sky speech frame, frame is added in the default identification region in the data payload region of the empty speech frame
Identification marking；
The newly-increased data information chosen in advance is encoded using preset channel coding mode；
Newly-increased data information after coding is added to the default bearing area in the data payload region of the empty speech frame
Obtain newly-increased data frame；
Transmission to the target for receiving the speech audio will be passed through comprising the VoP of the newly-increased data frame
Equipment.
Optionally, it is described to the newly-increased data information chosen in advance using preset channel coding mode carry out coding include:
Hamming code, reed solomon product code or loop coding are carried out to the newly-increased data information chosen in advance.
Optionally,
The default identification region is the 0 to 16bit of the data payload region of the empty speech frame；
Then frame identification marking is added in the default identification region in the data payload region in the empty speech frame are as follows:
0 in the data payload region of the empty speech frame adds frame identification marking into 16bit；
When the preset channel coding mode is hamming code, described use to the newly-increased data information chosen in advance is preset
Channel coding method is encoded, and the newly-increased data information after coding is added to the data payload region of the empty speech frame
Default bearing area obtains newly-increased data frame
Hamming code is carried out to the newly-increased data information, obtains and increases data information and 24bit supervision newly comprising 32bit
Newly-increased data information after the coding of position；
Data information after the coding of 56bit is added to the 17bit in the data payload region of the empty speech frame extremely
72bit obtains newly-increased data frame.
Optionally, described empty speech frame in the VoP is detected using voice-activation detecting method to include:
The empty speech frame in the VoP is detected using frequency domain energy detection method or short-time energy averaging method.
A kind of method of data information transfer, applied to the target device for receiving speech audio, which comprises
Receive VoP of the source device by transmission；
Whether the default identification region for detecting the data payload region of the data frame in the VoP carries frame
Identification marking；
When the default identification region in the data payload region of the data frame of the VoP carries the frame identification
When mark, the data frame is identified as newly-increased data frame, using default decoding side corresponding with the preset channel coding mode
Formula is decoded the newly-increased data of acquisition to the data information of the default bearing area in the data payload region of the newly-increased data frame
Information；
The newly-increased data frame is replaced with empty speech frame；
Caller is obtained after being decoded decompression to the VoP that newly-increased data frame is substituted for sky speech frame
The speech audio of input.
Optionally,
The default identification region is the 0 to 16bit of the data payload region of the empty speech frame；
Then whether the default identification region in the data payload region of the data frame in the detection VoP is taken
With frame identification marking are as follows:
Detect whether the 0 to 16bit of the data payload region of the data frame in the VoP carry frame identification
Mark；
It is described using corresponding pre- with the preset channel coding mode when the preset coding mode is hamming code
If decoding process is decoded acquisition to the data information of the default bearing area in the data payload region of the newly-increased data frame
Newly-increased data information includes:
The 17bit to 72bit in the data payload region of the newly-increased data frame is decoded using Hamming decoding；
Extract the newly-increased data information of 32bit.
A kind of source device of data information transfer, the source device include:
First receiving unit, the speech audio for receiving caller input carry out compressed encoding and obtain VoP；
First detection unit, for detecting the empty speech frame in the VoP using voice-activation detecting method；
First adding unit, for when detecting sky speech frame, in the pre- of the data payload region of the empty speech frame
If adding frame identification marking in identification region；
Second adding unit, for being compiled to the newly-increased data information chosen in advance using preset channel coding mode
Code obtains the default bearing area that the newly-increased data information after coding is added to the data payload region of the empty speech frame new
Increase data frame；
Transmission unit, the VoP for that will include the newly-increased data frame pass through transmission to reception institute's predicate
The target device of sound audio.
A kind of target device of data information transfer, the target device include:
Second receiving unit, for receiving VoP of the source device by transmission；
Second detection unit, the default identification in the data payload region for detecting the data frame in the VoP
Whether region carries frame identification marking；
The default identification region of extraction unit, the data payload region for the data frame when the VoP carries
When having the frame identification marking, the data frame is identified as newly-increased data frame, using corresponding with the preset channel coding mode
Default decoding process the data information of the default bearing area in the data payload region of the newly-increased data frame is decoded
Obtain newly-increased data information；
Replacement unit, for replacing the newly-increased data frame with empty speech frame；
Voice restoration unit, for being decoded to the VoP that newly-increased data frame is substituted for sky speech frame
The speech audio of caller input is obtained after decompression.
A kind of source device of data information transfer, the source device include:
Receiver, processor and transmitter, the receiver and the transmitter are connected with the processor respectively；
The speech audio for receiving the speech audio of caller input, and is sent to processor by the receiver；
The processor obtains VoP for carrying out compressed encoding to the speech audio, using voice activation
Detection method detects the empty speech frame in the VoP, when detecting sky speech frame, in the number of the empty speech frame
According to frame identification marking is added in the default identification region of load area, preset channel is used to the newly-increased data information chosen in advance
Coding mode is encoded, and the newly-increased data information after coding is added to the default of the data payload region of the empty speech frame
Bearing area obtains newly-increased data frame, and the newly-increased data frame is sent to the transmitter；
The transmitter, the VoP for that will include the newly-increased data frame pass through described in transmission to reception
The target device of speech audio.
Optionally, the processor is used to carry out the newly-increased data information chosen in advance using preset channel coding mode
Coding includes:
Hamming code, reed solomon product code or loop coding are carried out to the newly-increased data information chosen in advance.
Optionally,
The default identification region is the 0 to 16bit of the data payload region of the empty speech frame；
The processor, for the addition frame identification in the default identification region in the data payload region of the empty speech frame
Mark are as follows:
0 in the data payload region of the empty speech frame adds frame identification marking into 16bit；
When the preset channel coding mode is hamming code, the processor, for the newly-increased data chosen in advance
Information is encoded using preset channel coding mode, and the newly-increased data information after coding is added to the number of the empty speech frame
Obtaining newly-increased data frame according to the default bearing area of load area includes:
Hamming code is carried out to the newly-increased data information, obtains and increases data information and 24bit supervision newly comprising 32bit
Newly-increased data information after the coding of position；
Data information after the coding of 56bit is added to the 17bit in the data payload region of the empty speech frame extremely
72bit obtains newly-increased data frame.
Optionally, the processor is used to detect the empty voice in the VoP using voice-activation detecting method
Frame includes:
The empty speech frame in the VoP is detected using frequency domain energy detection method or short-time energy averaging method.
A kind of target device of data information transfer, the target device include:
Receiver, and the processor being connected with the receiver；
The receiver, for receiving VoP of the source device by transmission, and by the VoP
It is sent to the processor；
The processor, the default cog region in the data payload region for detecting the data frame in the VoP
Whether domain carries frame identification marking, when the default identification region in the data payload region of the data frame of the VoP is taken
When with the frame identification marking, the data frame is identified as newly-increased data frame, using with the preset channel coding mode pair
The default decoding process answered solves the data information of the default bearing area in the data payload region of the newly-increased data frame
Code obtains newly-increased data information, replaces the newly-increased data frame with empty speech frame, is substituted for sky speech frame to by newly-increased data frame
The VoP be decoded decompression after obtain caller input speech audio.
Optionally,
The default identification region is the 0 to 16bit of the data payload region of the empty speech frame；
The then processor, the default identification in the data payload region for detecting the data frame in the VoP
Whether region carries frame identification marking
Detect whether the 0 to 16bit of the data payload region of the data frame in the VoP carry frame identification
Mark；
When the preset coding mode is hamming code, the processor, for being encoded using with the preset channel
Data information of the corresponding default decoding process of mode to the default bearing area in the data payload region of the newly-increased data frame
Being decoded the newly-increased data information of acquisition includes:
The 17bit to 72bit in the data payload region of the newly-increased data frame is decoded using Hamming decoding；
Extract the newly-increased data information of 32bit.
A kind of data information transfer system, the system comprises:
The target device of the source device of data information transfer of the present invention and data information transfer of the present invention.
According to the above-mentioned technical solution, the method have the advantages that:
The embodiment of the invention provides a kind of method, apparatus of data information transfer and systems, send the source of speech audio
The speech audio that equipment receives caller input carries out compressed encoding and obtains VoP, detects in the VoP
Empty speech frame is added frame identification marking in the data payload region of detected empty speech frame and is encoded using preset channel
The newly-increased data information chosen in advance after mode encodes obtains newly-increased data frame, by the voice number comprising the newly-increased data frame
According to packet by transmission to target device, the target device, which detects, carries frame identification marking in the VoP
Newly-increased data frame, extracts the newly-increased data information in the newly-increased data frame, replaces the newly-increased data frame with empty speech frame, right
Speech audio is obtained after VoP decoding decompression.It is carried using the resulting empty speech frame of speech gaps in speech audio preparatory
The newly-increased data information transfer chosen is to target device, and target device is while obtaining the speech audio that source device is sent, also
The newly-increased data information that empty speech frame carries can be obtained, solves the problems, such as that transmission channel utilization rate is low, improves transmission channel money
The utilization rate in source.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the waveform diagram of one section of speech audio；
Fig. 2 is a kind of one flow chart of method sender scene of data information transfer of the present invention；
Fig. 3 is the structural schematic diagram in the data payload region of the newly-increased data frame generated of sender's scene one；
Fig. 4 is a kind of two flow chart of method sender scene of data information transfer of the present invention；
Fig. 5 is the structural schematic diagram in the data payload region of sender's scene two of the present invention newly-increased data frame generated；
Fig. 6 is a kind of one flow chart of method recipient scene of data information transfer of the present invention；
Fig. 7 is a kind of data information transfer method example scenario flow chart of the present invention；
Fig. 8 is a kind of source device structural schematic diagram of data information transfer of the present invention；
Fig. 9 is a kind of target device structural schematic diagram of data information transfer of the present invention；
Figure 10 is a kind of data information transfer system structure diagram of the present invention；
Figure 11 is a kind of source device structural schematic diagram of data information transfer of the present invention；
Figure 12 is a kind of target device structural schematic diagram of data information transfer of the present invention；
Figure 13 is a kind of data information transfer system structure diagram of the present invention.
Specific embodiment
The present invention provides a kind of method, apparatus of data information transfer and systems, resulting in the gap of speech audio
Newly-increased data information is added in empty speech frame, target device is while obtaining the speech audio that source device is sent, moreover it is possible to obtain
The newly-increased data information that empty speech frame carries, improves the utilization rate of transmission channel resources.
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
Currently, in PDT (Professional Digital Trunking, Digital Clustering) communication system, source device is by language
Sound audio obtains VoP after carrying out compressed encoding, there is real speech frame and empty speech frame, real language in the VoP
Sound frame is the data for carrying text information in speech audio by what is obtained after the word audio compressed encoding in speech audio
Frame；Empty speech frame is by obtaining after the speech gaps compressed encoding in speech audio, is not carry any text information, only table
Show the data frame of speech audio Chinese word interval.Wherein, source device can be mobile terminal in digital clustering communication system or
Base station, target device are also possible to mobile terminal or base station in digital clustering communication system.Provided by the present invention kind of data
The method, apparatus and system of information transmission can not only be applied in PDT system, can also be applied to digital cluster communication
In other narrowband systems such as (Digital Mobi le Radio, DMR),
Fig. 1 is the waveform of one section of speech audio, between each syllable of speech audio at pause and at each punctuate
There are speech gaps, these gaps can usually continue tens or even several hundred milliseconds.Therefore, gained after speech audio compressed encoding
VoP in, can be comprising not carrying the empty speech frames of any text information very much.Source device will include empty speech frame
VoP is by transmission to target device, since the empty speech frame in VoP does not carry any text letter
Breath, but channel resource is occupied, cause channel resource utilization rate low.
Embodiment one
In order to solve the problems, such as that above-mentioned channel resource utilization rate is low, the present invention provides a kind of sides of data information transfer
Method, Fig. 2 are a kind of one flow chart of method sender scene of data information transfer of the present invention, and embodiment one is applied to transmitting voice
The source device of audio, which comprises
Step 201: the speech audio for receiving caller input carries out compressed encoding and obtains VoP.
Step 202: the empty speech frame in the VoP is detected using voice-activation detecting method.
As described in above content, after source device receives the speech audio of caller input, compressed encoding is included
The VoP of real speech frame and empty speech frame.The text information of speech audio is carried in real speech frame, cannot be carried again
Additional data information, and empty speech frame does not carry any useful data information primarily to be spaced real speech frame, because
This, can add the newly-increased data information chosen in advance in empty speech frame.
Need to open voice activation detection function to detect the empty speech frame in VoP, comprising:
The empty speech frame in the VoP is detected using frequency domain energy detection method or short-time energy averaging method.
Under normal circumstances, empty speech frame is lower than the energy of real speech frame, is based on this principle, can be using above-mentioned three kinds detections
Method detects the empty speech frame in VoP.
What needs to be explained here is that being not limited in above-mentioned three kinds of inspections when detecting the empty speech frame in VoP
Survey method detects the empty speech frame in VoP, can also can detecte the detection side of empty speech frame using other
Method, which is not described herein again.
Step 203: the default identification region when detecting sky speech frame, in the data payload region of the empty speech frame
Middle addition frame identification marking.
Step 204: the newly-increased data information chosen in advance is encoded using preset channel coding mode.
Step 205: the newly-increased data information after coding is added to the default of the data payload region of the empty speech frame
Bearing area obtains newly-increased data frame.
Default identification after detecting sky speech frame in VoP, first in the data payload region of empty speech frame
Add frame identification marking in region.One empty speech frame obtains after the newly-increased data information being added to after frame identification marking and coding
One newly-increased data frame.There are many empty speech frame detected by step 202, can add frame knowledge respectively in had sky speech frame
Not Biao Shi and newly-increased data information obtain multiple newly-increased data frames, only can also add frame respectively in a part of empty speech frame and know
Not Biao Shi and newly-increased data information.Therefore, in VoP received by target device, newly-increased data are not only added to
The newly-increased data frame of information, there are also real speech frames, it is also possible to be free speech frame.Frame identification marking is target device language for identification
Newly-increased data frame in sound data packet, target device can identify this according to frame identification marking whether is carried in data frame
Whether data frame is that newly-increased data frame is extracted and carried in the newly-increased data frame frame identified so as to identify newly-increased data frame
Newly-increased data information.
What needs to be explained here is that the default identification region in the data payload region of empty speech frame is referred in data payload
The region of the pre-set addition frame identification marking in region.Wherein, preset identification region length can according to practical application into
The specific setting of row, is not limited in 16bit provided by the embodiment of the present invention.Also, default identification region is generally located on number
According to the foremost of load area.Such as: if default identification region is 16bit, by 0 to the 16bit setting in data payload region
To preset identification region, then frame identification marking is added in 0 to the 16bit region in data payload region.Target device receives
After VoP, the data frame in VoP is detected one by one, detects the default identification region of each VoP
Frame identification marking inside whether is carried, the data frame for carrying frame identification marking is identified as newly-increased data frame.
The sender of speech audio can choose the newly-increased data information for the target device of being sent in advance, will be described new
Increase data information and inputs source device.Source device compiles the newly-increased data information chosen in advance using preset channel coding mode
Code, the newly-increased data information after being encoded, the newly-increased data information after the coding include that the newly-increased data chosen in advance are believed
Breath and check bit.
In practical applications, described that the newly-increased data information chosen in advance is encoded using preset channel coding mode
Include:
Hamming code, reed solomon product code RS or loop coding are carried out to the newly-increased data information chosen in advance.
What needs to be explained here is that being not limited in using above-mentioned three kinds of coding modes in practical application to newly-increased data
Information is encoded, can also be using other coding modes, and which is not described herein again.
The default bearing area that newly-increased data information after coding is added to the data payload region of sky speech frame is obtained
Newly-increased data frame, the default bearing area be removed in data payload region the default identification region of addition frame identification marking with
Other outer regions.Fig. 3 is the structural schematic diagram in the data payload region of the newly-increased data frame generated of sender's scene one, such as
Shown in Fig. 3, the foremost in data payload region is arranged in frame identification marking, and the newly-increased data information after coding is arranged in data minus
It carries behind region, including newly-increased data information and check bit.Under normal circumstances, bearing area is preset to be arranged in data payload
Identification region is preset in region below, i.e., default bearing area be in an empty speech frame other than presetting identification region
Other regions.Such as: the data payload region of an empty speech frame is 72bit, and default identification region accounts for 16bit, then presets and hold
Load region is 56bit, is set as default identification region for the 0 to 16bit of data payload region, sets 17bit to 72bit to
Default bearing area.
Empty speech frame becomes newly-increased data frame after being added to frame identification marking and the newly-increased data information after coding, increases newly and counts
It is identical as the empty speech frame the location of in VoP according to frame.Such as: assuming that the 5th and in VoP
7 data frames are all sky speech frames, to the 5th data frame be added to frame identification marking and coding after newly-increased data information after at
For the first newly-increased data frame, become the after the newly-increased data information after frame identification marking and coding are added to the 7th data frame
Two newly-increased data frames.Then the first newly-increased data frame is the position of the 5th data frame the location of in VoP, the
Two newly-increased data frames are the position of the 7th data frame the location of in VoP.Although it follows that empty language
Sound frame becomes newly-increased data frame, but data in VoP after being added to frame identification marking and the newly-increased data information after coding
There is no change for the sequence of frame.
Certainly, in practical applications, default identification region is not limited in 16bit as described in the examples, can be with root
It is less than 16bit according to actual needs setting or greater than the default identification region of 16bit, presets the big of bearing area correspondingly, adjusting
It is small.
Step 206: by comprising the VoP of the newly-increased data frame by transmission to receiving the voice sound
The target device of frequency.
VoP is included at least real speech frame by source device by transmission to target device, in VoP
With newly-increased data frame, it is also possible to including a part of empty speech frame.
Fig. 4 is a kind of two flow chart of method sender scene of data information transfer of the present invention, is preset described in scene two
Identification region is the 0 to 16bit of the data payload region of the empty speech frame, is carried out when to the newly-increased data information chosen in advance
Hamming code, which comprises
Step 401: the speech audio for receiving caller input carries out compressed encoding and obtains VoP.
Step 402: the empty speech frame in the VoP is detected using voice-activation detecting method.
Step 403: when detecting sky speech frame, 0 in the data payload region of the empty speech frame adds into 16bit
Add frame identification marking.
Step 404: hamming code is carried out to the newly-increased data information, obtain comprising 32bit increase newly data information and
Newly-increased data information after the coding of 24bit check bit.
Step 405: the data information after the coding of 56bit is added to the data payload region of the empty speech frame
17bit to 72bit obtains newly-increased data frame.
Fig. 5 is the structural schematic diagram in the data payload region of the newly-increased data frame generated of sender's scene two, such as Fig. 5 institute
Show.The 0 to 16bit of the data payload region of newly-increased data frame is frame identification marking, and 17bit to 72bit is newly-increased after encoding
Data information.Wherein, in the region of 17bit to 72bit, 17bit to 48bit is the newly-increased data information of 32bit, 49bit
The Hamming check bit for being 24bit to 72bit.
Step 406: by comprising the VoP of the newly-increased data frame by transmission to receiving the voice sound
The target device of frequency.
Sender's scene two is similar with one implementation method of sender's scene, retouches with reference to the embodiment of sender's scene one
It states, which is not described herein again.
Fig. 6 is a kind of one flow chart of method recipient scene of data information transfer of the present invention, is applied to receive voice sound
The target device of frequency, which comprises
Step 601: receiving VoP of the source device by transmission, include newly-increased in the VoP
Data frame.
The VoP includes at least newly-increased data frame and real speech frame, it is also possible to including empty data frame.Institute
It states newly-increased data frame and carries other data informations different with speech audio from what is chosen in advance.
The newly-increased data frame is the speech audio progress compressed encoding acquisition voice that caller input is received by source device
Data packet detects the empty speech frame in the VoP using voice-activation detecting method, when detecting sky speech frame,
Frame identification marking is added in the default identification region in the data payload region of the empty speech frame；To the newly-increased number chosen in advance
It is believed that breath is encoded using preset channel coding mode, the newly-increased data information after coding is added to the empty speech frame
The data frame that the default bearing area in data payload region obtains.It is similar with sender's scene one herein, with reference to sender's scene
One description, which is not described herein again.
Step 602: detect the data payload region of the data frame in the VoP default identification region whether
Frame identification marking is carried, if so, executing step 603；If not, executing step 606.
Step 603: the data frame is identified as newly-increased data frame, using corresponding pre- with the preset channel coding mode
If decoding process is decoded acquisition to the data information of the default bearing area in the data payload region of the newly-increased data frame
Newly-increased data information.
Recipient's target device receives in VoP, examines one by one to the data frame in the VoP
It surveys, whether the default identification region for detecting the data payload region of each data frame carries frame identification marking.The default knowledge
Other region be source device addition frame identification marking default identification region it is identical, such as: source device add frame identification marking it is pre-
If identification region is the 0 to 16bit of data payload region, target device default identification region detected is also data frame
The 0 to 16bit of data payload region.
When target device does not detect frame identification marking in the default identification region in the data payload region of data frame
When, this data frame may be real speech frame, it is also possible to which empty speech frame obtains in VoP at this point, executing step 606
Next data frame, detect the data payload region of next data frame default identification region demonstration carries frame identification mark
Know.
When default identification region of the target device in the data payload region of data frame detects frame identification marking, then this
Data frame is identified as newly-increased data frame.Then using default decoding process corresponding with the preset channel coding mode to identification
The data information of the default bearing area in the data payload region of newly-increased data frame out is decoded.Used by target device
Default decoding process is corresponding with preset channel coding mode used by source device.For example: if source device is compiled using Hamming
Code mode；Then target device uses Hamming decoding process；If source device uses RS coding mode, target device is decoded using RS
Mode；If source device uses loop coding mode, target device uses iterative decoding mode.
The object that target device uses default decoding process to be decoded is the data payload of the newly-increased data frame identified
The data information of the default bearing area in region.Default bearing area is to remove to preset in data payload region in newly-increased data frame
Other regions other than identification region.What is added in default bearing area is the newly-increased data information after coding, including newly-increased number
It is believed that breath and check bit.
It is obtained after being decoded to the data information of the default bearing area in the data payload region of the newly-increased data frame
Newly-increased data information, the speech data information is other data informations in addition to audio data information.For example: institute
The default bearing area for stating the data payload region of newly-increased data frame is 56bit, newly-increased data information including 32bit and
The check bit of 24bit.Then the data information of the default bearing area is decoded, the newly-increased data of 32bit can be obtained
Information, the check bit of 24bit are mainly used for verifying the information data information in decoding.
Step 604: replacing the newly-increased data frame with empty speech frame.
Step 605: being obtained after being decoded decompression to the VoP that newly-increased data frame is substituted for sky speech frame
Obtain the speech audio of caller input.
The newly-increased data of acquisition are decoded to the default bearing area in the data payload region of the newly-increased data frame detected
After information, need to replace the newly-increased data frame with empty speech frame.The newly-increased data frame detected by the target device has multiple
When, need the default bearing area to the data payload region of each newly-increased data frame to be decoded the newly-increased data information of acquisition
Afterwards, to all newly-increased data frames detected all respectively with empty speech frame replacement.
It is understood that pressing after source device receives the speech audios of caller data the speech audio
It reduces the staff code and obtains VoP, detect the empty speech frame in the VoP, added in the empty speech frame detected
Newly-increased data information after frame identification marking and coding obtains newly-increased data frame.That is, language received by target device
In sound data packet, detected newly-increased data frame is the newly-increased data being added to after frame identification marking and coding by empty speech frame
Information acquisition, the speech audio that decompression obtains caller input is decoded in order to not influence VoP, needs detected
To newly-increased data frame at carry out short covering frame occupy-place processing, that is, need with sky speech frame replace all newly-increased data detected
Frame.Decompression is decoded to the VoP that newly-increased data frame is substituted for sky speech frame, empty speech frame converts Chinese idiom
Gap in sound audio between language and characters, real speech frame are converted into the language and characters in speech audio, obtain caller input
Speech audio.
Step 606: obtaining next data frame in the VoP, return to step 602, detect institute's predicate
Whether the default identification region in the data payload region of next data frame in sound data packet carries frame identification marking.
Compared with prior art, the difference of core is scheme provided by the present invention, and in the prior art, target device connects
After receiving VoP, speech audio can only be obtained after decoding decompression, and in technical solution provided by the present invention, due to
Newly-increased data information after being added to frame identification marking and coding in empty speech frame obtains newly-increased data frame, and source device is to target
Comprising newly-increased data frame in the VoP that equipment is sent, target device can be according to frame identification marking from received language
Newly-increased data frame is detected in sound data packet, extracts the newly-increased data information in the newly-increased data frame.Target device can not only obtain
Speech audio is obtained, the additional newly-increased data information different from speech audio can also be obtained.The voice number sent in channel
Speech data information is not only carried according to packet, newly-increased data information is also carried, improves the utilization rate of channel.
It is given below one and utilizes the specific of the transmission method of data information provided by the present invention in PDT communication system
Example:
Fig. 7 is a kind of data information transfer method example scenario flow chart of the present invention, and in embodiment two, source device is base
It stands, target device is hand platform, and increasing data information newly is field strength RSSI (Received Signal Strength Indication)
Value, which comprises
Step 701: the speech audio that base station receives caller input carries out compressed encoding and obtains VoP, using language
Sound activating detection method detects the empty speech frame in the VoP.
Step 702: when detecting sky speech frame, default identification of the base station in the data payload region of the empty speech frame
Frame identification marking is added in region.
Step 703: base station encodes RSSI value using preset channel coding mode；By the newly-increased data letter after coding
The default bearing area that breath is added to the data payload region of the empty speech frame obtains newly-increased data frame.
Step 704: base station will pass through transmission to reception institute's predicate comprising the VoP of the newly-increased data frame
The hand platform of sound audio.
Step 705: hand platform receives VoP of the source device by transmission.
Step 706: hand platform detects the default identification region in the data payload region of the data frame in the VoP
Whether frame identification marking is carried, if so, executing step 707；If not, executing step 709.
Step 707: the data frame is identified as newly-increased data frame, and hand platform is using corresponding with the preset channel coding mode
Default decoding process the data information of the default bearing area in the data payload region of the newly-increased data frame is decoded
RSSI value is obtained, replaces the newly-increased data frame with empty speech frame.
Step 708: hand platform is decoded decompression to the VoP that newly-increased data frame is substituted for sky speech frame
The speech audio of caller input is obtained afterwards.
Step 709: hand platform obtains next data frame in the VoP, returns to step 706, detects institute
Whether the default identification region for stating the data payload region of next data frame in VoP carries frame identification marking.
The RSSI value of hand platform is added while sending speech audio to hand platform in base station it can be seen from examples detailed above
Into speech audio in the empty speech frame generated of the gap of language and characters, the newly-increased data frame for carrying RSSI value, base are obtained
Standing will include that the VoP of newly-increased data frame is sent to hand platform.Hand platform is from the newly-increased number in the VoP detected
According to the RSSI value is extracted in frame, the transmission power of itself is adjusted according to the RSSI value.For example, working as hand platform from newly-increased data frame
In extracted RSSI value it is stronger when, the transmission power that can reduce hand platform saves electricity.
Since all newly-increased data frames detected in VoP being substituted with empty speech frame, voice is had no effect on
Decoded packet data decompresses speech audio obtained, that is, will not influence normal call flow, can also obtain additional increase newly
Data information.Improve the utilization rate of channel.
Embodiment two
Fig. 8 is a kind of source device structural schematic diagram of data information transfer of the present invention, and source device described in embodiment two is
With equipment corresponding to method described in sender's scene in embodiment one, the source device includes:
First receiving unit 801, the speech audio for receiving caller input carry out compressed encoding and obtain voice data
Packet.
First detection unit 802, for detecting the empty voice in the VoP using voice-activation detecting method
Frame.
Optionally, the first detection unit 802, for using frequency domain energy detection method or short-time energy averaging method
Detect the empty speech frame in the VoP.
First adding unit 803, for when detecting sky speech frame, in the data payload region of the empty speech frame
Frame identification marking is added in default identification region.
Second adding unit 804, for being carried out to the newly-increased data information chosen in advance using preset channel coding mode
Coding obtains the default bearing area that the newly-increased data information after coding is added to the data payload region of the empty speech frame
Newly-increased data frame.
Optionally, second adding unit 804, for the newly-increased data information chosen in advance carry out hamming code,
Reed solomon product code or loop coding.
Transmission unit 805, for by include the newly-increased data frame VoP by transmission to receiving
State the target device of speech audio.
Optionally, the default identification region is the 0 to 16bit of the data payload region of the empty speech frame, then described
First adding unit 803, for adding frame identification marking into 16bit the 0 of the data payload region of the empty speech frame；
When carrying out hamming code to the newly-increased data information chosen in advance, second adding unit 804 includes:
Coded sub-units obtain for carrying out hamming code to the newly-increased data information and increase data letter newly comprising 32bit
Newly-increased data information after the coding of breath and 24bit check bit；
Subelement is added, the data payload of the empty speech frame is added to for the data information after the coding by 56bit
The 17bit to 72bit in region obtains newly-increased data frame.
Embodiment two is similar with method described in sender's scene in embodiment one, sender described in reference implementation example one
The description of scene, which is not described herein again.
Embodiment three
Fig. 9 is a kind of target device structural schematic diagram of data information transfer of the present invention, and target described in embodiment three is set
Standby is to include: with equipment corresponding to method described in recipient's scene in embodiment one, the target device
Second receiving unit 901, for receiving VoP of the source device by transmission.
Second detection unit 902, for detect the data frame in the VoP data payload region it is default
Whether identification region carries frame identification marking.
Extraction unit 903, the default identification region in the data payload region for the data frame when the VoP
When carrying the frame identification marking, the data frame is identified as newly-increased data frame, using with the preset channel coding mode
Corresponding default decoding process carries out the data information of the default bearing area in the data payload region of the newly-increased data frame
Decoding obtains newly-increased data information.
Replacement unit 904, for replacing the newly-increased data frame with empty speech frame.
Voice restoration unit 905, for being carried out to the VoP that newly-increased data frame is substituted for sky speech frame
The speech audio of caller input is obtained after decoding decompression.
Optionally, the default identification region is the 0 to 16bit of the data payload region of the empty speech frame, then described
Second detection unit 902, for detect the data frame in the VoP data payload region 0 to 16bit whether
Carry frame identification marking；
When carrying out hamming code to the newly-increased data information chosen in advance, the extraction unit 903 includes:
Decoding subunit, for using Hamming decoding to the 17bit in the data payload region of the newly-increased data frame extremely
72bit is decoded；
Subelement is extracted, for extracting the newly-increased data information of 32bit.
Embodiment three is similar with method described in recipient's scene in embodiment one, recipient described in reference implementation example one
The description of scene, which is not described herein again.
Example IV
Figure 10 is a kind of data information transfer system structure diagram of the present invention, the system comprises:
Data information transfer described in the source device 1001 and embodiment three of data information transfer described in embodiment two
Target device 1002.
What needs to be explained here is that be both the source device of a data information transfer for the same terminal, also for
The target device of the data information transfer of other terminals.
Embodiment five
Figure 11 is a kind of source device structural schematic diagram of data information transfer of the present invention, and the source device includes:
Receiver 1101, processor 1102 and transmitter 1103, the receiver 1101 and the transmitter 1103 divide
It is not connected with the processor 1102.
The speech audio for receiving the speech audio of caller input, and is sent to place by the receiver 1101
Manage device 1102.
The processor 1102 obtains VoP for carrying out compressed encoding to the speech audio, using voice
Activating detection method detects the empty speech frame in the VoP, when detecting sky speech frame, in the empty speech frame
Data payload region default identification region in add frame identification marking, to the newly-increased data information chosen in advance using default
Channel coding method is encoded, and the newly-increased data information after coding is added to the data payload region of the empty speech frame
Default bearing area obtains newly-increased data frame, and the newly-increased data frame is sent to the transmitter 1103.
The transmitter 1103, the VoP for that will include the newly-increased data frame pass through transmission to reception
The target device of the speech audio.
Optionally, the processor 1202 is used to use preset channel coding mode to the newly-increased data information chosen in advance
Carrying out coding includes:
Hamming code, reed solomon product code or loop coding are carried out to the newly-increased data information chosen in advance.
Optionally, the default identification region is the 0 to 16bit of the data payload region of the empty speech frame；
The processor 1202, for adding frame in the default identification region in the data payload region of the empty speech frame
Identification marking are as follows:
0 in the data payload region of the empty speech frame adds frame identification marking into 16bit；
When the preset channel coding mode is hamming code, the processor 1202, for newly-increased to what is chosen in advance
Data information is encoded using preset channel coding mode, and the newly-increased data information after coding is added to the empty speech frame
The default bearing area in data payload region obtain newly-increased data frame and include:
Hamming code is carried out to the newly-increased data information, obtains and increases data information and 24bit supervision newly comprising 32bit
Newly-increased data information after the coding of position；
Data information after the coding of 56bit is added to the 17bit in the data payload region of the empty speech frame extremely
72bit obtains newly-increased data frame.
Optionally, the processor is used to detect the empty voice in the VoP using voice-activation detecting method
Frame includes:
The empty speech frame in the VoP is detected using frequency domain energy detection method or short-time energy averaging method.
Embodiment five is similar with method described in sender's scene in embodiment one, sender described in reference implementation example one
The description of scene, which is not described herein again.
Embodiment six
Figure 12 is a kind of target device structural schematic diagram of data information transfer of the present invention, and the target device includes:
Receiver 1201, and the processor 1202 being connected with the receiver；
The receiver 1201, for receiving VoP of the source device by transmission, and by the voice number
The processor 1202 is sent to according to packet.
The processor 1202, the default knowledge in the data payload region for detecting the data frame in the VoP
Whether other region carries frame identification marking, when the default cog region in the data payload region of the data frame of the VoP
When domain carries the frame identification marking, the data frame is identified as newly-increased data frame, using with the preset channel coding staff
The corresponding default decoding process of formula to the data information of the default bearing area in the data payload region of the newly-increased data frame into
Row decoding obtains newly-increased data information, replaces the newly-increased data frame with empty speech frame, is substituted for sky language to by newly-increased data frame
The VoP of sound frame obtains the speech audio that caller inputs after being decoded decompression.
Optionally, the default identification region is the 0 to 16bit of the data payload region of the empty speech frame；
The then processor 1202, for detect the data frame in the VoP data payload region it is default
Whether identification region carries frame identification marking
Detect whether the 0 to 16bit of the data payload region of the data frame in the VoP carry frame identification
Mark；
When the preset coding mode is hamming code, the processor 1202, for using and the preset channel
Data of the corresponding default decoding process of coding mode to the default bearing area in the data payload region of the newly-increased data frame
Information is decoded the newly-increased data information of acquisition:
The 17bit to 72bit in the data payload region of the newly-increased data frame is decoded using Hamming decoding；
Extract the newly-increased data information of 32bit.
Embodiment seven
Figure 13 is a kind of data information transfer system structure diagram of the present invention, the system comprises:
Data information transfer described in the source device 1301 and embodiment six of data information transfer described in embodiment five
Target device 1302.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of method of data information transfer, which is characterized in that applied to the source device for sending speech audio, the method packet
It includes:
The speech audio for receiving caller input carries out compressed encoding and obtains VoP；The VoP includes real language
Sound frame and empty speech frame；
The empty speech frame in the VoP is detected using voice-activation detecting method；The voice-activation detecting method packet
It includes: frequency domain energy detection method or the short-time energy method of average；The sky speech frame is by the speech gaps in the speech audio
What compressed encoding obtained；
When detecting sky speech frame, the addition frame identification in the default identification region in the data payload region of the empty speech frame
Mark；
The newly-increased data information chosen in advance is encoded using preset channel coding mode；
The default bearing area that newly-increased data information after coding is added to the data payload region of the empty speech frame is obtained
Newly-increased data frame；
Transmission to the target device for receiving the speech audio will be passed through comprising the VoP of the newly-increased data frame；
The default identification region is the 0 to 16bit of the data payload region of the empty speech frame；
Then frame identification marking is added in the default identification region in the data payload region in the empty speech frame are as follows:
0 in the data payload region of the empty speech frame adds frame identification marking into 16bit；
It is described that preset channel is used to the newly-increased data information chosen in advance when the preset channel coding mode is hamming code
Coding mode is encoded, and the newly-increased data information after coding is added to the default of the data payload region of the empty speech frame
Bearing area obtains newly-increased data frame
Hamming code is carried out to the newly-increased data information, obtaining includes that 32bit increases data information and 24bit check bit newly
Newly-increased data information after coding；
The 17bit to 72bit that data information after the coding of 56bit is added to the data payload region of the empty speech frame is obtained
Data frame must be increased newly.
2. a kind of method of data information transfer, which is characterized in that applied to the target device for receiving speech audio, the method
Include:
Receive VoP of the source device by transmission；
Whether the default identification region for detecting the data payload region of the data frame in the VoP carries frame identification
Mark；
When the default identification region in the data payload region of the data frame of the VoP carries the frame identification marking
When, the data frame is identified as newly-increased data frame, using default decoding process pair corresponding with the preset channel coding mode
The data information of the default bearing area in the data payload region of the newly-increased data frame is decoded the newly-increased data information of acquisition；
The newly-increased data frame is replaced with empty speech frame；
The VoP that newly-increased data frame is substituted for sky speech frame is decoded after decompression and obtains caller input
Speech audio；
The default identification region is the 0 to 16bit of the data payload region of the empty speech frame；
Then whether the default identification region in the data payload region of the data frame in the detection VoP carries
Frame identification marking are as follows:
Whether detect the data payload region of the data frame in the VoP 0 to 16bit carries frame identification marking；
It is described to use default solution corresponding with the preset channel coding mode when the preset coding mode is hamming code
Code mode, which is decoded the data information of the default bearing area in the data payload region of the newly-increased data frame, to be increased newly
Data information includes:
The 17bit to 72bit in the data payload region of the newly-increased data frame is decoded using Hamming decoding；
Extract the newly-increased data information of 32bit.
3. a kind of source device of data information transfer, which is characterized in that the source device includes:
First receiving unit, the speech audio for receiving caller input carry out compressed encoding and obtain VoP；It is described
VoP includes real speech frame and empty speech frame；
First detection unit, for detecting the empty speech frame in the VoP using voice-activation detecting method；It is described
Voice-activation detecting method includes: frequency domain energy detection method or the short-time energy method of average；The sky speech frame is by institute's predicate
What the speech gaps compressed encoding in sound audio obtained；
First adding unit, for the default knowledge when detecting sky speech frame, in the data payload region of the empty speech frame
Frame identification marking is added in other region；
Second adding unit will for being encoded to the newly-increased data information chosen in advance using preset channel coding mode
The default bearing area that newly-increased data information after coding is added to the data payload region of the empty speech frame obtains newly-increased number
According to frame；
Transmission unit, for by include the newly-increased data frame VoP by transmission to receiving the voice sound
The target device of frequency.
4. a kind of target device of data information transfer, which is characterized in that the target device includes:
Second receiving unit, for receiving VoP of the source device by transmission；
Second detection unit, the default identification region in the data payload region for detecting the data frame in the VoP
Whether frame identification marking is carried；
The default identification region of extraction unit, the data payload region for the data frame when the VoP carries
When stating frame identification marking, the data frame is identified as newly-increased data frame, using corresponding pre- with the preset channel coding mode
If decoding process is decoded acquisition to the data information of the default bearing area in the data payload region of the newly-increased data frame
Newly-increased data information；
Replacement unit, for replacing the newly-increased data frame with empty speech frame；
Voice restoration unit, for being decoded decompression to the VoP that newly-increased data frame is substituted for sky speech frame
The speech audio of caller input is obtained afterwards.
5. a kind of source device of data information transfer, which is characterized in that the source device includes:
Receiver, processor and transmitter, the receiver and the transmitter are connected with the processor respectively；
The speech audio for receiving the speech audio of caller input, and is sent to processor by the receiver；
The processor obtains VoP, the VoP packet for carrying out compressed encoding to the speech audio
Include real speech frame and empty speech frame；Empty speech frame in the VoP is detected using voice-activation detecting method, it is described
Voice-activation detecting method includes: frequency domain energy detection method or the short-time energy method of average；The sky speech frame is by institute's predicate
What the speech gaps compressed encoding in sound audio obtained；When detecting sky speech frame, in the data payload of the empty speech frame
Frame identification marking is added in the default identification region in region, and preset channel coding staff is used to the newly-increased data information chosen in advance
Formula is encoded, and the newly-increased data information after coding is added to the default supporting region in the data payload region of the empty speech frame
Domain obtains newly-increased data frame, and the newly-increased data frame is sent to the transmitter；
The transmitter, for by include the newly-increased data frame VoP by transmission to receiving the voice
The target device of audio；
The default identification region is the 0 to 16bit of the data payload region of the empty speech frame；
The processor, for adding frame identification marking in the default identification region in the data payload region of the empty speech frame
Are as follows:
0 in the data payload region of the empty speech frame adds frame identification marking into 16bit；
When the preset channel coding mode is hamming code, the processor, for the newly-increased data information chosen in advance
It is encoded using preset channel coding mode, the newly-increased data information after coding is added to the data minus of the empty speech frame
The default bearing area for carrying region obtains newly-increased data frame and includes:
Hamming code is carried out to the newly-increased data information, obtaining includes that 32bit increases data information and 24bit check bit newly
Newly-increased data information after coding；
The 17bit to 72bit that data information after the coding of 56bit is added to the data payload region of the empty speech frame is obtained
Data frame must be increased newly.
6. a kind of target device of data information transfer, which is characterized in that the target device includes:
Receiver, and the processor being connected with the receiver；
The receiver is sent for receiving VoP of the source device by transmission, and by the VoP
To the processor；
The default identification region of the processor, the data payload region for detecting the data frame in the VoP is
It is no to carry frame identification marking, when the default identification region in the data payload region of the data frame of the VoP carries
When the frame identification marking, the data frame is identified as newly-increased data frame, using corresponding with the preset channel coding mode
Default decoding process, which is decoded the data information of the default bearing area in the data payload region of the newly-increased data frame, to be obtained
Data information must be increased newly, the newly-increased data frame is replaced with empty speech frame, to the institute that newly-increased data frame is substituted for sky speech frame
It states after VoP is decoded decompression and obtains the speech audio that caller inputs；
The default identification region is the 0 to 16bit of the data payload region of the empty speech frame；
The then processor, the default identification region in the data payload region for detecting the data frame in the VoP
Whether carrying frame identification marking includes:
Whether detect the data payload region of the data frame in the VoP 0 to 16bit carries frame identification marking；
When the preset coding mode is hamming code, the processor, for using and the preset channel coding mode
Corresponding default decoding process carries out the data information of the default bearing area in the data payload region of the newly-increased data frame
Decoding obtains newly-increased data information:
The 17bit to 72bit in the data payload region of the newly-increased data frame is decoded using Hamming decoding；
Extract the newly-increased data information of 32bit.
7. a kind of data information transfer system, which is characterized in that the system comprises:
The target of the source device of data information transfer described in claim 5 and data information transfer as claimed in claim 6 is set
It is standby.
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| CN107040359B (en) * | 2017-05-08 | 2021-01-19 | 海能达通信股份有限公司 | Method, device and equipment for carrying channel associated signaling in voice calling process |
| WO2018205080A1 (en) * | 2017-05-08 | 2018-11-15 | 海能达通信股份有限公司 | Method, device and apparatus for carrying channel associated signaling during voice calling process |
| CN113393851B (en) * | 2021-06-23 | 2023-04-07 | 紫优科技(深圳)有限公司 | Method, system, electronic device and storage medium for transmitting voice |
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| WO2016112837A1 (en) | 2016-07-21 |
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