CN103686337B - The transfer approach and system of a kind of vedio data - Google Patents
The transfer approach and system of a kind of vedio data Download PDFInfo
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Abstract
The invention discloses a kind of transfer approach of vedio data and system, wherein, this method comprises the following steps：Program source data is obtained, and vedio data and voice data are extracted from the program source data of the acquisition；The vedio data of the extraction is loaded on corresponding voice data successively according to time shaft order, generates the first voice data；First voice data of generation is subjected to acoustic signals modulation, and the acoustic signals of modulation are transferred out.Using the embodiment of the present invention, vedio data easily can be transmitted by sound.
Description
Technical field
The present invention relates to field of data transmission, the transfer approach and system of a kind of vedio data are related specifically to.
Background technology
With the development of the communication technology, people can carry out data interaction between intelligent terminal by communication network, still
Thus also some problems of band, such as：Data interaction occupied bandwidth between intelligent terminal seriously easily causes data transmission to block,
Influence the promptness and accuracy of data communication.
The content of the invention
The main object of the present invention is the offer a kind of transfer approach and system of vedio data, it is intended to solves existing skill
The problem of transmitting the promptness and accuracy that data influence data transmit by communication network in art, easily can be passed by sound
Send vedio data.
The present invention provides a kind of transfer approach of vedio data, and this method includes：
Program source data is obtained, and vedio data and voice data are extracted from the program source data of the acquisition；
The vedio data of the extraction is loaded on corresponding voice data successively according to time shaft order, generation
First voice data；
First voice data of generation is subjected to acoustic signals modulation, and the acoustic signals of modulation are transferred out.
Preferably, the first voice data of generation is subjected to acoustic signals modulation, and the acoustic signals of modulation is transferred out
After the step of going, this method includes：
The acoustic signals for receiving and demodulating the modulation are corresponding first voice data；
Vedio data is restored from first voice data of demodulation.
Preferably, the vedio data of the extraction is loaded into corresponding voice data successively according to time shaft order
On, generate the first voice data the step of include：
Processing is zoomed in or out to the voice data of extraction, to obtain second audio data；
The vedio data of the extraction is loaded on corresponding second audio data successively according to time shaft order,
Generate the first voice data.
Preferably, the voice data of described pair of extraction zooms in or out processing, to obtain the step of second audio data
Suddenly include：
Judge whether the size of the audio frequency of the voice data of extraction is more than the threshold value of preset audio frequency；
If the audio frequency of the voice data of extraction is more than the threshold value of preset audio frequency, by the first preset rules to institute
The audio frequency for stating voice data is amplified processing, to obtain second audio data；
It is default by second if the audio frequency of the voice data of extraction is less than or equal to the threshold value of preset audio frequency
Rule carries out diminution processing to the audio frequency of the voice data, to obtain second audio data.
Preferably, the threshold value of the preset audio frequency is 10000Hz；The second audio data that the enhanced processing obtains
The scope of audio frequency be 16001Hz-19999Hz, the diminution handles the audio frequency of obtained second audio data
Scope is 0-29Hz.
Preferably, first voice data includes 12 hexadecimal numbers, wherein, first six digits represent the extraction
The coding of voice data, the coding of latter six vedio datas for representing the extraction；
When the audio frequency of the voice data of the extraction is more than the threshold value of preset audio frequency, the first audio number
According to the coding ranges of first six digits be：0xB000--0xF000；When the audio frequency of the voice data of the extraction is less than or equal to
During the threshold values of preset audio frequency, the coding range of the first six digits of first voice data is：0x5000--0x8000.
The present invention also provides a kind of transmission system of vedio data, and the system includes transmitting terminal, the transmitting terminal bag
Include：
Acquisition module, for obtaining program source data, and video image number is extracted from the program source data of the acquisition
According to and voice data；
Generation module, for the vedio data of the extraction to be loaded into corresponding sound successively according to time shaft order
Frequency is according to upper, the first voice data of generation；
Modulation module, for the first voice data of generation to be carried out into acoustic signals modulation；
Sound output module, for the acoustic signals of modulation to be transferred out；
First voice data includes 12 hexadecimal numbers, wherein, first six digits represent the audio number of the extraction
According to coding, the coding of latter six vedio datas for representing the extraction.
Preferably, the system also includes receiving terminal, and the receiving terminal includes：
Demodulation module is received, the acoustic signals for receiving and demodulating the modulation are corresponding first voice data；
Recovery module, for restoring vedio data from first voice data of demodulation.
Preferably, the generation module includes：
Unit for scaling, the audio frequency for the voice data to extraction zoom in or out processing, to obtain the second sound
Frequency evidence；
Generation unit, for by the vedio data of the extraction according to time shaft order be loaded into successively corresponding to the
On two voice datas, the first voice data is generated.
Preferably, the unit for scaling includes judging unit, the amplifying unit being connected with the judging unit, reduces list
Member, wherein：
Judging unit, for judging whether the audio frequency of voice data of extraction is more than the threshold value of preset audio frequency；
The threshold value of the preset audio frequency is 10000Hz；
Amplifying unit, when the audio frequency for the voice data in extraction is more than the threshold value of preset audio frequency, by the
One preset rules are amplified processing to the audio frequency of the voice data, to obtain second audio data；At the amplification
The scope for managing the audio frequency of obtained second audio data is 16001Hz-19999Hz；
Reducing unit, the audio frequency for the voice data in extraction are less than or equal to preset audio frequency threshold
When, diminution processing is carried out to the audio frequency of the voice data by the second preset rules, to obtain second audio data；It is described
The scope that diminution handles the audio frequency of obtained second audio data is 0-29Hz；
When the audio frequency of the voice data of the extraction is more than the threshold value of preset audio frequency, the first audio number
According to the coding range of first six digits of audio frequency be：0xB000--0xF000；When the audio frequency of the voice data of the extraction
When rate is less than or equal to preset audio threshold values, the coding range of the first six digits of the audio frequency of first voice data is：
0x5000--0x8000。
Using the embodiment of the present invention, program source data is obtained, and video image number is extracted from the program source data of acquisition
According to and voice data；The vedio data of extraction is loaded on corresponding voice data successively according to time shaft order, it is raw
Into the first voice data；First voice data of generation is subjected to acoustic signals modulation, and the acoustic signals of modulation are transferred out
Go；It can be achieved to transmit vedio data by sound.
Brief description of the drawings
Fig. 1 is the first embodiment schematic flow sheet of the transfer approach of the vedio data of the present invention；
Fig. 2 is the detailed process schematic diagram of step S20 in Fig. 1；
Fig. 3 is the second embodiment schematic flow sheet of the transfer approach of the vedio data of the present invention；
Fig. 4 is the first embodiment structural representation of the transmission system of the vedio data of the present invention；
Fig. 5 is the concrete structure schematic diagram of generation module in Fig. 4；
Fig. 6 is the second embodiment structural representation of the transmission system of the vedio data of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Reference picture 1, Fig. 1 are the first embodiment schematic flow sheet of the transfer approach of the vedio data of the present invention, should
Method includes：
S10, program source data is obtained, and vedio data and audio number are extracted from the program source data of the acquisition
According to.
Program source data is stored in the first memory block in advance, the program source data can be one section of duration 100 minutes
Entertainment.When watching the program source data, the vedio data enjoyed a lot in the program source data (saves user A
Picture in mesh source data), then triggering command can be transmitted (specifically, triggering command or existing can be sent by remote control in user
Other manner send triggering command), in step S10, when receiving the triggering command of user, obtain program source data,
And vedio data and voice data are extracted from the program source data of acquisition.In this step, in program source data
Vedio data and voice data are extracted, and such as one section of duration program source data of 100 minutes is extracted, and can extract
Go out one section of duration vedio data of 100 minutes and one section of duration voice data of 100 minutes.
S20, by the vedio data of the extraction according to time shaft order be loaded into successively corresponding on voice data, it is raw
Into the first voice data.
In this step, the vedio data and voice data of extraction are grouped according to time shaft, wherein, video
The packet of view data and the packet of voice data correspond.Vedio data such as be divide into N according to time shaft
Group, voice data N groups are also divided into according to time shaft packet.According to time shaft order by the vedio data of extraction successively
Corresponding to being loaded on voice data, the first voice data is generated.Vedio data in program source data is by one by one
Frame of video composition.Such as, frame of video corresponding to 1ms on time shaft can be loaded according to the time shaft that time interval is 1ms
On to time shaft corresponding to 1ms on voice data, frame of video corresponding to 2ms on time shaft is loaded on time shaft
Corresponding to 2ms on voice data, frame of video corresponding to 3ms on time shaft is loaded on time shaft audio corresponding to 3ms
In data, etc., until on voice data, generating the first audio number corresponding to all frame of video on time shaft are loaded into
According to；It can also be the time shaft of 1 second according to time interval, frame of video corresponding to 1s on time shaft is loaded on time shaft the
Corresponding to 1s on voice data, frame of video corresponding to 2s on time shaft is loaded on time shaft voice data corresponding to 2s
On, frame of video corresponding to 3s on time shaft is loaded on time shaft corresponding to 3s on voice data, etc., until by when
All frame of video on countershaft are loaded on corresponding voice data, generate the first voice data；First voice data both wrapped
Including vedio data also includes voice data.
Specifically, the vedio data of extraction is loaded on corresponding voice data successively according to time shaft order,
Generate the first voice data.First voice data includes 12 hexadecimal numbers；Wherein, the first six of first voice data
Position represents the coding of the voice data of extraction, when the voice data of extraction is in high band (when the voice data of extraction is big
When preset audio threshold value), then the coding range of the first six digits of first voice data is 0xB000--0xF000, when extraction
When voice data is in low-frequency range (when the voice data of extraction is less than or equal to preset audio threshold value), then the first audio number
According to the coding ranges of first six digits be 0x5000--0x8000；Latter six video images for representing extraction of first voice data
The coding of data, vedio data are represented by redgreenblue, and in latter six of the first voice data, two are one
Group, RGB numerical value is represented respectively, such as when the vedio data of extraction is red, the vedio data is encoded to
FF0000, when the vedio data of extraction is green, the vedio data is encoded to 00FF00, when the video of extraction
When view data is blue, the vedio data is encoded to 0000FF.Such as, by frame of video corresponding to 1ms on time shaft
It is loaded on time shaft corresponding to 1ms on voice data, generates first voice data, wherein, first voice data
First six digits represent 1ms corresponding to voice data, it is rear six represent 1ms corresponding to vedio data.
S30, the first voice data progress acoustic signals modulation by generation, and the acoustic signals of modulation are transferred out.
Further, step S20 includes (as shown in Figure 2)：
S21, the audio frequency to the voice data of extraction zoom in or out processing, to obtain second audio data.
In this step, processing is first zoomed in or out to the audio frequency of the voice data of extraction, specifically：Judge
Whether the audio frequency of the voice data of extraction is more than preset audio frequency threshold；If the audio frequency of the voice data of extraction is big
In preset audio frequency threshold, then processing is amplified to the audio frequency of the voice data by the first preset rules, to obtain
Second audio data；If the audio frequency of the voice data of extraction is less than or equal to preset audio frequency threshold, pre- by second
If rule carries out diminution processing to the audio frequency of the voice data, to obtain second audio data.
The threshold value of the preset audio frequency can be set according to being actually needed, and such as be arranged to 10000Hz；When the audio number of extraction
According to audio frequency be more than preset audio frequency threshold 10000Hz when, then by the first preset rules to the voice data of extraction
Audio frequency is amplified processing, if first preset rules are to increase on the basis of the audio frequency of the voice data of extraction the
One preset audio (such as first preset audio is 6000Hz), is amplified with the audio frequency of the voice data to the extraction,
The audio frequency of the voice data of the extraction is such as amplified to 16001Hz-19999Hz；When the audio frequency of the voice data of extraction
When rate is less than or equal to the threshold value 10000Hz of preset audio frequency, then the audio by the second preset rules to the voice data of extraction
Frequency carries out diminution processing, if second preset rules are that diminution second is pre- on the basis of the audio frequency of the voice data of extraction
If audio carries out diminution processing with the audio frequency of the voice data to the extraction, such as by the audio frequency of the voice data of extraction
0-29Hz is narrowed down to (such as when the audio frequency of the voice data of extraction is in 9000Hz to 10000Hz, to be narrowed down to
29Hz；When the audio frequency of the voice data of extraction is in 8000Hz to 8999Hz, 28Hz is narrowed down to；When the sound of extraction
When the audio frequency of frequency evidence is in 7000Hz to 7999Hz, 27Hz is narrowed down to；... when the sound of the voice data of extraction
When frequent rate is in 900Hz to 999Hz, 20Hz is narrowed down to；When the audio frequency of the voice data of extraction is in 800Hz extremely
During 899Hz, 19Hz is narrowed down to；When the audio frequency of the voice data of extraction is in 700Hz to 799Hz, reduced
To 18Hz；When the audio frequency of the voice data of extraction is in 600Hz to 699Hz, 17Hz is narrowed down to；When the sound of extraction
When the audio frequency of frequency evidence is in 500Hz to 599Hz, 16Hz is narrowed down to；... when the audio of the voice data of extraction
When frequency is in 100Hz to 199Hz, 12Hz is narrowed down to；When the audio frequency of the voice data of extraction is in 90Hz extremely
During 99Hz, 11Hz is narrowed down to；When the audio frequency of the voice data of extraction is in 80Hz to 89Hz, narrowed down to
10Hz；When the audio frequency of the voice data of extraction is in 70Hz to 79Hz, 9Hz is narrowed down to；When the audio number of extraction
According to audio frequency be in 60Hz to 69Hz when, narrowed down to 8Hz；... when the audio frequency of the voice data of extraction is in
During 30Hz to 39Hz, 5Hz is narrowed down to；When the audio frequency of the voice data of extraction is less than 30Hz, without processing).
S22, the vedio data of the extraction is loaded into corresponding second audio data successively according to time shaft order
On, generate the first voice data.
The vedio data and second audio data of extraction are grouped according to time shaft, wherein, video image number
According to packet and second audio data packet correspond.Vedio data and second audio data to extraction according to when
Countershaft carries out packet synchronization rapid S20 and the vedio data and voice data of extraction is grouped according to time shaft, then this is not
Repeating.
Reference picture 3, Fig. 3 are the second embodiment schematic flow sheet of the transfer approach of the vedio data of the present invention.
The first embodiment of transfer approach based on above-mentioned vedio data, after step S30, this method is also wrapped
Include：
S40, reception and to demodulate the acoustic signals of the modulation be corresponding first voice data.
Acoustic signals can be received by microphone.
S50, from first voice data of demodulation restore vedio data.
In this step, the first voice data of demodulation is reduced, video image is restored from the first voice data
Data, the first voice data of the demodulation and hexadecimal number 0xFFFFFF are such as subjected to logical AND and calculated to reduce to obtain video
View data, the first voice data for such as working as demodulation is 0xB001FF0000, then enters the 0xB001FF0000 and 0xFFFFFF
Row logical AND calculates, and obtains 0xFF0000, you can draws vedio data for red.
Reference picture 4, Fig. 4 are the first embodiment structural representation of the transmission system of the vedio data of the present invention, should
System includes：The system includes transmitting terminal 100, and the transmitting terminal 100 includes：Acquisition module 10, the life being connected with acquisition module 10
The modulation module 12 being connected into module 11, with generation module 11, the sound output module 13 being connected with modulation module 12, wherein：
The acquisition module 10, for obtaining program source data, and video image is extracted from the program source data of the acquisition
Data and voice data；
The generation module 11, it is corresponding for the vedio data of the extraction to be loaded into successively according to time shaft order
On voice data, the first voice data is generated；
The modulation module 12, for the first voice data of generation to be carried out into acoustic signals modulation；
The sound output module 13, for the acoustic signals of modulation to be transferred out；
First voice data includes 12 hexadecimal numbers, wherein, first six digits represent the voice data of the extraction
Coding, the coding of rear six vedio datas for representing the extraction.
The transmitting terminal stores program source data in the first memory block in advance, and the program source data can be one section of duration
The entertainment of 100 minutes.User A enjoys a lot the video image in the program source data when watching the program source data
Data (picture i.e. in program source data), then the transmittable triggering command of user by remote control transmission triggering (specifically, can be referred to
Order or existing other manner send triggering command), the acquisition module 10 obtains program when receiving the triggering command of user
Source data, and vedio data and voice data are extracted from the program source data of acquisition.The acquisition module 10 is to program source
Vedio data and voice data in data are extracted, and such as one section of duration program source data of 100 minutes is carried
Take, can extract out one section of duration vedio data of 100 minutes and one section of duration voice data of 100 minutes.
The generation module 11 is grouped to the vedio data and voice data of extraction according to time shaft, wherein, depending on
The packet of frequency view data and the packet of voice data correspond.Such as vedio data divide into according to time shaft
N groups, voice data N groups are also divided into according to time shaft packet.According to time shaft order by the vedio data of extraction according to
It is secondary to be loaded on corresponding voice data, generate the first voice data.Vedio data in program source data is by one one
The frame of video composition opened.Such as, frame of video corresponding to 1ms on time shaft can be added according to the time shaft that time interval is 1ms
It is downloaded on time shaft corresponding to 1ms on voice data, frame of video corresponding to 2ms on time shaft is loaded on time shaft
Corresponding to 2ms on voice data, frame of video corresponding to 3ms on time shaft is loaded on time shaft audio corresponding to 3ms
In data, etc., until on voice data, generating the first audio number corresponding to all frame of video on time shaft are loaded into
According to；It can also be the time shaft of 1 second according to time interval, frame of video corresponding to 1s on time shaft is loaded on time shaft the
Corresponding to 1s on voice data, frame of video corresponding to 2s on time shaft is loaded on time shaft voice data corresponding to 2s
On, frame of video corresponding to 3s on time shaft is loaded on time shaft corresponding to 3s on voice data, etc., until by when
All frame of video on countershaft are loaded on corresponding voice data, generate the first voice data；First voice data both wrapped
Including vedio data also includes voice data.
Specifically, corresponding to the vedio data of extraction is loaded into by the generation module 11 successively according to time shaft order
On voice data, the first voice data is generated.First voice data includes 12 hexadecimals；Wherein, first audio
The first six digits of data represent the coding of the voice data of extraction, when the voice data of extraction is in high band (when extraction
When voice data is more than preset audio threshold value), then the coding range of the first six digits of first voice data is 0xB000--
0xF000, when audio corresponding to the voice data of extraction is in low-frequency range (when the voice data of extraction is less than or equal to preset
During audio threshold), then the coding range of the first six digits of first voice data is 0x5000--0x8000；First voice data
It is rear six represent extraction vedio data coding, vedio data is represented by redgreenblue, in the first sound
In latter six of frequency evidence, two are one group, represent RGB numerical value respectively, such as when the vedio data of extraction is red
When, the vedio data is encoded to FF0000, when the vedio data of extraction is green, the vedio data
00FF00 is encoded to, when the vedio data of extraction is blue, the vedio data is encoded to 0000FF.Such as, should
Frame of video corresponding to 1ms on time shaft is loaded on time shaft corresponding to 1ms on voice data by generation module 11, generation
One the first voice data, wherein, the first six digits of first voice data represent voice data corresponding to 1ms, rear six tables
Show vedio data corresponding to 1ms.
Sound output module 13 can be loudspeaker.
Further, the concrete structure of the generation module 11 is as shown in figure 5, the generation module 11 includes unit for scaling 111
With grouped element 112, wherein：
Unit for scaling 111, the audio frequency for the voice data to extraction zoom in or out processing, to obtain
Two voice datas；
Generation unit 112, it is corresponding for the vedio data of the extraction to be loaded into successively according to time shaft order
On second audio data, the first voice data is generated.
Specifically, the unit for scaling 111 includes：Judging unit 113, the amplification list being connected respectively with the judging unit 113
Member 114 and reducing unit 115；The judging unit 113, for judging it is default whether the audio frequency of voice data of extraction is more than
The threshold value of audio frequency；The amplifying unit 114, the audio frequency for the voice data in extraction are more than preset audio frequency
During threshold value, processing is amplified to the audio frequency of the voice data by the first preset rules, to obtain second audio data；Should
Reducing unit 115, when the audio frequency for the voice data in acquisition is less than or equal to preset audio frequency threshold, by second
Preset rules carry out diminution processing to the audio frequency of the voice data, to obtain second audio data.
The preset audio frequency threshold can be set according to being actually needed, and such as be arranged to 10000Hz；When judging unit 113
When judged result is more than preset audio frequency threshold 10000Hz for the audio frequency of voice data of extraction, then the amplifying unit
114 are amplified processing by the first preset rules to the audio frequency of the voice data of extraction, as first preset rules be
Increase the first preset audio (such as first preset audio is 6000Hz) on the basis of the audio frequency of the voice data of extraction, with right
The audio frequency of the voice data of the extraction is amplified, and is such as amplified to the audio frequency of the voice data of the extraction
16001Hz-19999Hz；When the judged result of judging unit 113 is less than or equal to preset audio threshold value for the voice data of extraction
During 10000Hz, then the reducing unit 115 is carried out at diminution by the second preset rules to the audio frequency of the voice data of extraction
Reason, if second preset rules are to reduce the second preset audio on the basis of the audio frequency of the voice data of extraction to be carried to this
The audio frequency of the voice data taken carries out diminution processing, and the audio frequency of the voice data of extraction such as is narrowed down into 0-29Hz
(such as when the audio frequency of the voice data of extraction is in 9000Hz to 10000Hz, narrowed down to 29Hz；When the sound of extraction
When the audio frequency of frequency evidence is in 8000Hz to 8999Hz, 28Hz is narrowed down to；When the audio frequency of the voice data of extraction
When rate is in 7000Hz to 7999Hz, 27Hz is narrowed down to；... when the audio frequency of the voice data of extraction is in 900Hz
During to 999Hz, 20Hz is narrowed down to；When the audio frequency of the voice data of extraction is in 800Hz to 899Hz, contracted
It is small to arrive 19Hz；When the audio frequency of the voice data of extraction is in 700Hz to 799Hz, 18Hz is narrowed down to；When extraction
When the audio frequency of voice data is in 600Hz to 699Hz, 17Hz is narrowed down to；When the audio frequency of the voice data of extraction
When rate is in 500Hz to 599Hz, 16Hz is narrowed down to；... when the audio frequency of the voice data of extraction is in 100Hz extremely
During 199Hz, 12Hz is narrowed down to；When the audio frequency of the voice data of extraction is in 90Hz to 99Hz, narrowed down to
11Hz；When the audio frequency of the voice data of extraction is in 80Hz to 89Hz, 10Hz is narrowed down to；When the audio number of extraction
According to audio frequency be in 70Hz to 79Hz when, narrowed down to 9Hz；When the audio frequency of the voice data of extraction is in 60Hz
During to 69Hz, 8Hz is narrowed down to；... when the audio frequency of the voice data of extraction is in 30Hz to 39Hz, contracted
It is small to arrive 5Hz；When the audio frequency of the voice data of extraction is less than 30Hz, without processing).
The generation unit is grouped to the vedio data and second audio data of 112 extractions according to time shaft, its
In, the packet of vedio data and the packet of second audio data correspond.Vedio data to extraction and second
Voice data according to time shaft be grouped with above-mentioned generation module 11 to the vedio data of extraction and voice data according to
Time shaft is grouped, then this is not being repeated.
Reference picture 6, Fig. 6 are the second embodiment structural representation of the transmission system of the vedio data of the present invention.
The first embodiment of transmission system based on above-mentioned vedio data, the system also include receiving terminal 200, and this connects
Receiving end 200 includes：Demodulation module 20, the recovery module 21 being connected with receiving demodulation module 20 are received, wherein：
The reception demodulation module 20, the acoustic signals for receiving and demodulating the modulation are corresponding first voice data；
The recovery module 21, for restoring vedio data from first voice data of demodulation.
The reception demodulation module 20 includes microphone, that is, receives demodulation module 20 and receive acoustic signals by microphone.Should
Recovery module 21 is reduced to the first voice data of demodulation, and vedio data is restored from the first voice data, such as will
First voice data of the demodulation carries out logical AND with hexadecimal number 0xFFFFFF and calculated to reduce to obtain vedio data,
Such as when the first voice data of demodulation is 0xB001FF0000, then the 0xB001FF0000 and 0xFFFFFF is subjected to logical AND meter
Calculate, obtain 0xFF0000, you can draw vedio data for red.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, every utilization
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be similarly included in the present invention scope of patent protection.
Claims (7)
1. a kind of transfer approach of vedio data, it is characterised in that this method comprises the following steps：
Program source data is obtained, and vedio data and voice data are extracted from the program source data of the acquisition；
Judge whether the size of the audio frequency of the voice data of extraction is more than the threshold value of preset audio frequency；
If the audio frequency of the voice data of extraction is more than the threshold value of preset audio frequency, by the first preset rules to the sound
The audio frequency of frequency evidence is amplified processing, to obtain second audio data；First preset rules are the audio number in extraction
According to audio frequency on the basis of increase by the first preset audio frequency, put with the audio frequency of the voice data to the extraction
Greatly；
If the audio frequency of the voice data of extraction is less than or equal to the threshold value of preset audio frequency, by the second preset rules
Diminution processing is carried out to the audio frequency of the voice data, to obtain second audio data；Second preset rules are to extract
Voice data audio frequency on the basis of reduce the second preset audio frequency, with the audio of the voice data to extraction frequency
Rate carries out diminution processing；
The vedio data of the extraction is loaded on corresponding second audio data successively according to time shaft order, generation
First voice data；
First voice data of generation is subjected to acoustic signals modulation, and the acoustic signals of modulation are transferred out.
2. according to the method for claim 1, it is characterised in that the first voice data of generation is subjected to acoustic signals tune
After the step of making, and the acoustic signals of modulation are transferred out, this method includes：
The acoustic signals for receiving and demodulating the modulation are corresponding first voice data；
Vedio data is restored from first voice data of demodulation.
3. according to the method for claim 1, it is characterised in that the threshold value of the preset audio audio is 10000Hz；It is described
The scope of the audio frequency for the second audio data that enhanced processing obtains is 16001Hz-19999Hz, and the diminution handles to obtain
The scope of audio frequency of second audio data be 0-29Hz.
4. according to the method for claim 1, it is characterised in that first voice data includes 12 hexadecimals
Number, wherein, first six digits represent the coding of the voice data of the extraction, the vedio data of rear six expressions extraction
Coding；
When the audio frequency of the voice data of the extraction is more than the threshold value of preset audio frequency, first voice data
The coding range of first six digits is：0xB000--0xF000；When the audio frequency of the voice data of the extraction is less than or equal to preset
During the threshold values of audio frequency, the coding range of the first six digits of first voice data is：0x5000--0x8000.
5. a kind of transmission system of vedio data, it is characterised in that the system includes transmitting terminal, and the transmitting terminal includes：
Acquisition module, for obtaining program source data, and extract from the program source data of the acquisition vedio data and
Voice data；
Generation module, the generation module include judging unit, the amplifying unit being connected with the judging unit, reducing unit,
Audio frequency for the voice data to extraction zooms in or out processing, to obtain second audio data；Wherein
Whether judging unit, the size of the audio frequency of the voice data for judging extraction are more than the threshold of preset audio frequency
Value；
Amplifying unit, it is pre- by first when the audio frequency for the voice data in extraction is more than the threshold value of preset audio frequency
If rule is amplified processing to the audio frequency of the voice data, to obtain second audio data；First preset rules are
Increase by the first preset audio frequency on the basis of the audio frequency of the voice data of extraction, with the sound of the voice data to the extraction
Frequent rate is amplified；
Reducing unit, when the audio frequency for the voice data in extraction is less than or equal to the threshold value of preset audio frequency,
Diminution processing is carried out to the audio frequency of the voice data by the second preset rules, to obtain second audio data；Second is pre-
If rule is reduces the second preset audio on the basis of the audio frequency of the voice data of extraction, with the voice data to the extraction
Audio frequency carry out diminution processing；
The generation module also includes generation unit, for by the vedio data of the extraction according to time shaft order successively
Corresponding to being loaded on second audio data, the first voice data is generated；
Modulation module, for the first voice data of generation to be carried out into acoustic signals modulation；
Sound output module, for the acoustic signals of modulation to be transferred out；
First voice data includes 12 hexadecimal numbers, wherein, first six digits represent the voice data of the extraction
Coding, the coding of latter six vedio datas for representing the extraction.
6. system according to claim 5, it is characterised in that the system also includes receiving terminal, and the receiving terminal includes：
Demodulation module is received, the acoustic signals for receiving and demodulating the modulation are corresponding first voice data；
Recovery module, for restoring vedio data from first voice data of demodulation.
7. system according to claim 5, it is characterised in that：
The threshold value of the preset audio frequency is 10000Hz；
The scope of the audio frequency for the second audio data that the enhanced processing obtains is 16001Hz-19999Hz；
The scope that the diminution handles the audio frequency of obtained second audio data is 0-29Hz；
When the audio frequency of the voice data of the extraction is more than preset audio threshold value, the first six digits of first voice data
Coding range be：0xB000--0xF000；When the audio frequency of the voice data of the extraction is less than or equal to preset audio valve
During value, the coding range of the first six digits of first voice data is：0x5000--0x8000.
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