CN103686337A - Transmitting method and system of video image data - Google Patents
Transmitting method and system of video image data Download PDFInfo
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- CN103686337A CN103686337A CN201310749554.7A CN201310749554A CN103686337A CN 103686337 A CN103686337 A CN 103686337A CN 201310749554 A CN201310749554 A CN 201310749554A CN 103686337 A CN103686337 A CN 103686337A
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Abstract
The invention discloses a transmitting method and system of video image data. The transmitting method includes steps of: acquiring program source data and extracting video image data and audio data from the acquired program source data; loading the extracted video image data on the corresponding audio data according to the timer shaft in sequence to generate first audio data; performing acoustic signal modulation on the generated first audio data and transmitting the modulated acoustic signals out. The transmitting method and system can conveniently transmit audio image data through sound.
Description
Technical field
The present invention relates to field of data transmission, specially refer to a kind of transfer approach and system of vedio data.
Background technology
Development along with the communication technology, people can carry out data interaction by communication network between intelligent terminal, but be also with thus some problems, as: the data interaction occupied bandwidth between intelligent terminal seriously easily causes data to transmit obstruction, affects promptness and the accuracy of data communication.
Summary of the invention
Main purpose of the present invention is for providing a kind of transfer approach and system of vedio data, be intended to solve in prior art and transmit the promptness of data influence data transmission and the problem of accuracy by communication network, can by sound, transmit vedio data easily.
The transfer approach that the invention provides a kind of vedio data, the method comprises:
Obtain program source data, and from described program source extracting data vedio data and the voice data obtaining;
The vedio data of described extraction is loaded on corresponding voice data successively according to time shaft order, generates the first voice data;
The first voice data generating is carried out to acoustic signals modulation, and the acoustic signals of modulation is transferred out.
Preferably, the first voice data generating is carried out to acoustic signals modulation, and after the step that the acoustic signals of modulation is transferred out, the method comprises:
The acoustic signals of modulating described in reception demodulation is the first corresponding voice data;
From described first voice data of demodulation, restore vedio data.
Preferably, the vedio data of described extraction is loaded on corresponding voice data successively according to time shaft order, the step that generates the first voice data comprises:
The voice data extracting is zoomed in or out to processing, to obtain second audio data;
The vedio data of described extraction is loaded on corresponding second audio data successively according to time shaft order, generates the first voice data.
Preferably, the described voice data to extraction zooms in or out processing, to obtain the step of second audio data, comprises:
Whether the voice data that judgement is extracted is greater than default audio threshold;
If the voice data extracting is greater than default audio threshold, by the first preset rules, described voice data is amplified to processing, to obtain second audio data;
If the described voice data extracting is less than or equal to default audio threshold, by the second preset rules, described voice data is dwindled to processing, to obtain second audio data.
Preferably, described default audio threshold is 10000Hz; It is 16001Hz-19999Hz that the second audio data scope obtaining is processed in described amplification, described in dwindle that to process the second audio data scope obtaining be 0-29Hz.
Preferably, described the first voice data comprises 12 hexadecimal numbers, and wherein, first six digits represents the coding of the voice data of described extraction, the coding of the vedio data extracting described in rear six bit representations;
When the voice data of described extraction is greater than default audio threshold, the coding range of the first six digits of described the first voice data is: 0xB000--0xF000; When the voice data of described extraction is less than or equal to default audio frequency threshold values, the coding range of the first six digits of described the first voice data is: 0x5000--0x8000.
The present invention also provides a kind of transfer system of vedio data, and this system comprises transmitting terminal, and described transmitting terminal comprises:
Acquisition module, for obtaining program source data, and from described program source extracting data vedio data and the voice data obtaining;
Generation module, for the vedio data of described extraction is loaded into corresponding voice data successively according to time shaft order, generates the first voice data;
Modulation module, for carrying out acoustic signals modulation by the first voice data generating;
Voice output module, for transferring out the acoustic signals of modulation;
Described the first voice data comprises 12 hexadecimal numbers, and wherein, first six digits represents the coding of the voice data of described extraction, the coding of the vedio data extracting described in rear six bit representations.
Preferably, described system also comprises receiving terminal, and described receiving terminal comprises:
Receiving demodulation module, for receive and demodulation described in the acoustic signals modulated be the first corresponding voice data;
Recovery module, restores vedio data for described the first voice data from demodulation.
Preferably, described generation module comprises:
Unit for scaling, for the voice data extracting is zoomed in or out to processing, to obtain second audio data;
Generation unit, for the vedio data of described extraction is loaded into corresponding second audio data successively according to time shaft order, generates the first voice data.
Preferably, described unit for scaling comprises judging unit, the amplifying unit being connected, dwindles unit with described judging unit, wherein:
Judging unit, for judging whether the voice data of extraction is greater than default audio threshold; Described default audio threshold is 10000Hz;
Amplifying unit, while being greater than default audio threshold for the voice data extracting, amplifies processing by the first preset rules to described voice data, to obtain second audio data; It is 16001Hz-19999Hz that the second audio data scope obtaining is processed in described amplification;
Dwindle unit, while being less than or equal to default audio threshold for the described voice data extracting, by the second preset rules, described voice data is dwindled to processing, to obtain second audio data; Describedly dwindle that to process the second audio data scope obtain be 0-29Hz;
When the voice data of described extraction is greater than default audio threshold, the coding range of the first six digits of described the first voice data is: 0xB000--0xF000; When the voice data of described extraction is less than or equal to default audio frequency threshold values, the coding range of the first six digits of described the first voice data is: 0x5000--0x8000.
Adopt the embodiment of the present invention, obtain program source data, and program source extracting data vedio data and voice data from obtaining; The vedio data of extraction is loaded on corresponding voice data successively according to time shaft order, generates the first voice data; The first voice data generating is carried out to acoustic signals modulation, and the acoustic signals of modulation is transferred out; Can realize by sound and transmit vedio data.
Accompanying drawing explanation
Fig. 1 is the first embodiment schematic flow sheet of the transfer approach of 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 vedio data of the present invention;
Fig. 4 is the first example structure schematic diagram of the transfer system of 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 example structure schematic diagram of the transfer system of vedio data of the present invention.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 1, the first embodiment schematic flow sheet of the transfer approach that Fig. 1 is vedio data of the present invention, the method comprises:
S10, obtain program source data, and the program source extracting data vedio data and the voice data that from this, obtain.
In advance in the first storage area stores program source data, these program source data can be one section of duration entertainment of 100 minutes.User A is when watching these program source data, enjoy a lot the vedio data (being the picture in program source data) in these program source data, user can to send triggering command (concrete, can send triggering command or existing alternate manner transmission triggering command by remote controller), in this step S10, while receiving user's triggering command, obtain program source data, and program source extracting data vedio data and voice data from obtaining.In this step, vedio data in program source data and voice data are extracted, as one section of duration program source data of 100 minutes are extracted, can extract one section of duration vedio data of 100 minutes and one section of duration voice data of 100 minutes.
S20, the vedio data of this extraction is loaded on corresponding voice data successively according to time shaft order, generates the first voice data.
In this step, the vedio data and the voice data that extract are divided into groups according to time shaft, wherein, the grouping of vedio data and the grouping of voice data are corresponding one by one.As vedio data has been divided into N group according to time shaft, voice data has also been divided into N group according to time shaft grouping.According to time shaft order, the vedio data of extraction is loaded on corresponding voice data successively, generates the first voice data.Vedio data in program source data is comprised of frame of video one by one.As, can be according to the time interval time shaft that is 1ms, the frame of video that on time shaft, 1ms is corresponding is loaded on the voice data that on time shaft, 1ms is corresponding, the frame of video that on time shaft, 2ms is corresponding is loaded on the voice data that on time shaft, 2ms is corresponding, the frame of video that on time shaft, 3ms is corresponding is loaded on the voice data that on time shaft, 3ms is corresponding, etc., until all frame of video on time shaft are loaded on corresponding voice data, generate the first voice data; Can also according to the time interval, be the time shaft of 1 second, the frame of video that on time shaft, 1s is corresponding is loaded on the voice data that on time shaft, 1s is corresponding, the frame of video that on time shaft, 2s is corresponding is loaded on the voice data that on time shaft, 2s is corresponding, the frame of video that on time shaft, 3s is corresponding is loaded on the voice data that on time shaft, 3s is corresponding, etc., until all frame of video on time shaft are loaded on corresponding voice data, generate the first voice data; This first voice data had both comprised that vedio data also comprised voice data.
Concrete, according to time shaft order, the vedio data of extraction is loaded on corresponding voice data successively, generate the first voice data.This first voice data comprises 12 hexadecimal numbers; Wherein, the first six digits of this first voice data represents the coding of the voice data of extraction, as the voice data extracting during in high band (when the voice data extracting is greater than while presetting audio threshold), the coding range of the first six digits of this first voice data is 0xB000--0xF000, as the voice data extracting during in low-frequency range (when the voice data extracting is less than or equal to while presetting audio threshold), the coding range of the first six digits of this first voice data is 0x5000--0x8000; The coding of the vedio data that rear six bit representations of this first voice data extract, vedio data represents by redgreenblue, in latter six of the first voice data, two is one group, represent respectively RGB numerical value, while being red as the vedio data when extracting, this vedio data be encoded to FF0000, when the vedio data extracting is green, this vedio data be encoded to 00FF00, when the vedio data extracting be blueness, this vedio data be encoded to 0000FF.As, the frame of video that on time shaft, 1ms is corresponding is loaded on the voice data that on time shaft, 1ms is corresponding, generates first voice data, wherein, the first six digits of this first voice data represents the voice data that 1ms is corresponding, vedio data corresponding to rear six bit representation 1ms.
S30, the first voice data generating is carried out to acoustic signals modulation, and the acoustic signals of modulation is transferred out.
Further, this step S20 comprises (as shown in Figure 2):
S21, the voice data extracting is zoomed in or out to processing, to obtain second audio data.
In this step, the voice data extracting is first zoomed in or out to processing, concrete: whether the voice data that judgement is extracted is greater than default audio threshold; If the voice data extracting is greater than default audio threshold, by the first preset rules, this voice data is amplified to processing, to obtain second audio data; If this voice data extracting is less than or equal to default audio threshold, by the second preset rules, this voice data is dwindled to processing, to obtain second audio data.
This default audio threshold can arrange according to actual needs, as is set to 10000Hz; When the voice data extracting is greater than default audio threshold 10000Hz, by the first preset rules, the voice data extracting is amplified to processing, if this first preset rules is for increasing the first default audio frequency (if this first default audio frequency is 6000Hz) on the voice data basis extracting, with the voice data to this extraction, amplify, as the voice data of this extraction is amplified to 16001Hz-19999Hz; When the voice data extracting is less than or equal to default audio threshold 10000Hz, by the second preset rules, the voice data extracting is dwindled to processing, if this second preset rules is for dwindling the second default audio frequency the voice data of this extraction is dwindled to processing on the voice data basis extracting, as the voice data of extraction narrowed down to 0-29Hz(, as the voice data when extracting, during in 9000Hz to 10000Hz, narrowed down to 29Hz; When the voice data extracting is during in 8000Hz to 8999Hz, narrowed down to 28Hz; When the voice data extracting is during in 7000Hz to 7999Hz, narrowed down to 27Hz; When the voice data extracting is during in 900Hz to 999Hz, narrowed down to 20Hz; When the voice data extracting is during in 800Hz to 899Hz, narrowed down to 19Hz; When the voice data extracting is during in 700Hz to 799Hz, narrowed down to 18Hz; When the voice data extracting is during in 600Hz to 699Hz, narrowed down to 17Hz; When the voice data extracting is during in 500Hz to 599Hz, narrowed down to 16Hz; When the voice data extracting is during in 100Hz to 199Hz, narrowed down to 12Hz; When the voice data extracting is during in 90Hz to 99Hz, narrowed down to 11Hz; When the voice data extracting is during in 80Hz to 89Hz, narrowed down to 10Hz; When the voice data extracting is during in 70Hz to 79Hz, narrowed down to 9Hz; When the voice data extracting is during in 60Hz to 69Hz, narrowed down to 8Hz; When the voice data extracting is during in 30Hz to 39Hz, narrowed down to 5Hz; When the voice data extracting is less than 30Hz, do not process).
S22, the vedio data of this extraction is loaded on corresponding second audio data successively according to time shaft order, generates the first voice data.
The vedio data and the second audio data that extract are divided into groups according to time shaft, and wherein, the grouping of vedio data and the grouping of second audio data are corresponding one by one.The vedio data extracting and second audio data are carried out to the rapid S20 of packet synchronization according to time shaft the vedio data and the voice data that extract are divided into groups according to time shaft, then this is not repeating.
With reference to Fig. 3, the second embodiment schematic flow sheet of the transfer approach that Fig. 3 is vedio data of the present invention.
The first embodiment of the transfer approach based on above-mentioned vedio data, after step S30, the method also comprises:
The acoustic signals of S40, reception this modulation of demodulation is the first corresponding voice data.
Can receive acoustic signals by microphone.
S50, from this first voice data of demodulation, restore vedio data.
In this step, the first voice data to demodulation reduces, from the first voice data, restore vedio data, as the first voice data of this demodulation and hexadecimal number 0xFFFFFF carried out to logical AND calculating, with reduction, obtain vedio data, if the first voice data when demodulation is 0xB001FF0000, this 0xB001FF0000 and 0xFFFFFF are carried out to logical AND calculating, obtain 0xFF0000, can show that vedio data is red.
With reference to Fig. 4, Fig. 4 is the first example structure schematic diagram of the transfer system of vedio data of the present invention, this system comprises: this system comprises transmitting terminal 100, this transmitting terminal 100 comprises: acquisition module 10, the generation module 11 being connected with acquisition module 10, the modulation module 12 being connected with generation module 11, the voice output module 13 being connected with modulation module 12, wherein:
This acquisition module 10, for obtaining program source data, and the program source extracting data vedio data and the voice data that from this, obtain;
This generation module 11, for the vedio data of this extraction is loaded into corresponding voice data successively according to time shaft order, generates the first voice data;
This modulation module 12, for carrying out acoustic signals modulation by the first voice data generating;
This voice output module 13, for transferring out the acoustic signals of modulation;
This first voice data comprises 12 hexadecimal numbers, and wherein, first six digits represents the coding of the voice data of this extraction, the coding of the vedio data of rear six these extractions of bit representation.
This transmitting terminal in advance in the first storage area stores program source data, these program source data can be one section of duration entertainment of 100 minutes.User A is when watching these program source data, enjoy a lot the vedio data (being the picture in program source data) in these program source data, user can to send triggering command (concrete, can send triggering command or existing alternate manner transmission triggering command by remote controller), this acquisition module 10 is when receiving user's triggering command, obtain program source data, and program source extracting data vedio data and voice data from obtaining.Vedio data and voice data in 10 pairs of program source data of this acquisition module extract, as one section of duration program source data of 100 minutes are extracted, can extract one section of duration vedio data of 100 minutes and one section of duration voice data of 100 minutes.
Vedio data and the voice data of 11 pairs of extractions of this generation module divide into groups according to time shaft, and wherein, the grouping of vedio data and the grouping of voice data are corresponding one by one.As vedio data has been divided into N group according to time shaft, voice data has also been divided into N group according to time shaft grouping.According to time shaft order, the vedio data of extraction is loaded on corresponding voice data successively, generates the first voice data.Vedio data in program source data is comprised of frame of video one by one.As, can be according to the time interval time shaft that is 1ms, the frame of video that on time shaft, 1ms is corresponding is loaded on the voice data that on time shaft, 1ms is corresponding, the frame of video that on time shaft, 2ms is corresponding is loaded on the voice data that on time shaft, 2ms is corresponding, the frame of video that on time shaft, 3ms is corresponding is loaded on the voice data that on time shaft, 3ms is corresponding, etc., until all frame of video on time shaft are loaded on corresponding voice data, generate the first voice data; Can also according to the time interval, be the time shaft of 1 second, the frame of video that on time shaft, 1s is corresponding is loaded on the voice data that on time shaft, 1s is corresponding, the frame of video that on time shaft, 2s is corresponding is loaded on the voice data that on time shaft, 2s is corresponding, the frame of video that on time shaft, 3s is corresponding is loaded on the voice data that on time shaft, 3s is corresponding, etc., until all frame of video on time shaft are loaded on corresponding voice data, generate the first voice data; This first voice data had both comprised that vedio data also comprised voice data.
Concrete, this generation module 11 is loaded into the vedio data of extraction on corresponding voice data successively according to time shaft order, generates the first voice data.This first voice data comprises 12 hexadecimals; Wherein, the first six digits of this first voice data represents the coding of the voice data of extraction, as the voice data extracting during in high band (when the voice data extracting is greater than while presetting audio threshold), the coding range of the first six digits of this first voice data is 0xB000--0xF000, as audio frequency corresponding to the voice data extracting during in low-frequency range (when the voice data extracting is less than or equal to while presetting audio threshold), the coding range of the first six digits of this first voice data is 0x5000--0x8000; The coding of the vedio data that rear six bit representations of this first voice data extract, vedio data represents by redgreenblue, in latter six of the first voice data, two is one group, represent respectively RGB numerical value, while being red as the vedio data when extracting, this vedio data be encoded to FF0000, when the vedio data extracting is green, this vedio data be encoded to 00FF00, when the vedio data extracting be blueness, this vedio data be encoded to 0000FF.As, this generation module 11 is loaded into the frame of video that on time shaft, 1ms is corresponding on the voice data that on time shaft, 1ms is corresponding, generate first voice data, wherein, the first six digits of this first voice data represents the voice data that 1ms is corresponding, vedio data corresponding to rear six bit representation 1ms.
Voice output module 13 can be loudspeaker.
Further, as shown in Figure 5, this generation module 11 comprises unit for scaling 111 and grouped element 112 to the concrete structure of this generation module 11, wherein:
Unit for scaling 111, for the voice data extracting is zoomed in or out to processing, to obtain second audio data;
Generation unit 112, for the vedio data of this extraction is loaded into corresponding second audio data successively according to time shaft order, generates the first voice data.
Concrete, this unit for scaling 111 comprises: judging unit 113, the amplifying unit 114 being connected respectively with this judging unit 113 with dwindle unit 115; This judging unit 113, for judging whether the voice data of extraction is greater than default audio threshold; This amplifying unit 114, while being greater than default audio threshold for the voice data extracting, amplifies processing by the first preset rules to this voice data, to obtain second audio data; This dwindles unit 115, while being less than or equal to default audio threshold for this voice data obtaining, by the second preset rules, this voice data is dwindled to processing, to obtain second audio data.
This default audio threshold can arrange according to actual needs, as is set to 10000Hz; When the voice data that judgment result is that extraction of judging unit 113 is greater than default audio threshold 10000Hz, this amplifying unit 114 amplifies processing by the first preset rules to the voice data extracting, if this first preset rules is for increasing the first default audio frequency (if this first default audio frequency is 6000Hz) on the voice data basis extracting, with the voice data to this extraction, amplify, as the voice data of this extraction is amplified to 16001Hz-19999Hz; When the voice data that judgment result is that extraction of judging unit 113 is less than or equal to default audio threshold 10000Hz, this dwindles unit 115, by the second preset rules, the voice data extracting is dwindled to processing, if this second preset rules is for dwindling the second default audio frequency the voice data of this extraction is dwindled to processing on the voice data basis extracting, as the voice data of extraction narrowed down to 0-29Hz(, as the voice data when extracting, during in 9000Hz to 10000Hz, narrowed down to 29Hz; When the voice data extracting is during in 8000Hz to 8999Hz, narrowed down to 28Hz; When the voice data extracting is during in 7000Hz to 7999Hz, narrowed down to 27Hz; When the voice data extracting is during in 900Hz to 999Hz, narrowed down to 20Hz; When the voice data extracting is during in 800Hz to 899Hz, narrowed down to 19Hz; When the voice data extracting is during in 700Hz to 799Hz, narrowed down to 18Hz; When the voice data extracting is during in 600Hz to 699Hz, narrowed down to 17Hz; When the voice data extracting is during in 500Hz to 599Hz, narrowed down to 16Hz; When the voice data extracting is during in 100Hz to 199Hz, narrowed down to 12Hz; When the voice data extracting is during in 90Hz to 99Hz, narrowed down to 11Hz; When the voice data extracting is during in 80Hz to 89Hz, narrowed down to 10Hz; When the voice data extracting is during in 70Hz to 79Hz, narrowed down to 9Hz; When the voice data extracting is during in 60Hz to 69Hz, narrowed down to 8Hz; When the voice data extracting is during in 30Hz to 39Hz, narrowed down to 5Hz; When the voice data extracting is less than 30Hz, do not process).
This generation unit divides into groups according to time shaft to the vedio data of 112 extractions and second audio data, and wherein, the grouping of vedio data and the grouping of second audio data are corresponding one by one.The vedio data and the second audio data that extract are divided into groups to divide into groups according to time shaft with vedio data and the voice data of 11 pairs of extractions of above-mentioned generation module according to time shaft, then this is not repeating.
With reference to Fig. 6, the second example structure schematic diagram of the transfer system that Fig. 6 is vedio data of the present invention.
The first embodiment of the transfer system based on above-mentioned vedio data, this system also comprises receiving terminal 200, this receiving terminal 200 comprises: receiving demodulation module 20, the recovery module 21 being connected with receiving demodulation module 20, wherein:
This receiving demodulation module 20 is the first corresponding voice data for receiving the acoustic signals of also this modulation of demodulation;
This recovery module 21, restores vedio data for this first voice data from demodulation.
This receiving demodulation module 20 comprises microphone, and receiving demodulation module 20 receives acoustic signals by microphone.The first voice data of 21 pairs of demodulation of this recovery module reduces, from the first voice data, restore vedio data, as the first voice data of this demodulation and hexadecimal number 0xFFFFFF carried out to logical AND calculating, with reduction, obtain vedio data, if the first voice data when demodulation is 0xB001FF0000, this 0xB001FF0000 and 0xFFFFFF are carried out to logical AND calculating, obtain 0xFF0000, can show that vedio data is red.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a transfer approach for vedio data, is characterized in that, the method comprises the following steps:
Obtain program source data, and from described program source extracting data vedio data and the voice data obtaining;
The vedio data of described extraction is loaded on corresponding voice data successively according to time shaft order, generates the first voice data;
The first voice data generating is carried out to acoustic signals modulation, and the acoustic signals of modulation is transferred out.
2. method according to claim 1, is characterized in that, the first voice data generating is carried out to acoustic signals modulation, and after the step that the acoustic signals of modulation is transferred out, the method comprises:
The acoustic signals of modulating described in reception demodulation is the first corresponding voice data;
From described first voice data of demodulation, restore vedio data.
3. method according to claim 1, is characterized in that, the vedio data of described extraction is loaded on corresponding voice data successively according to time shaft order, and the step that generates the first voice data comprises:
The voice data extracting is zoomed in or out to processing, to obtain second audio data;
The vedio data of described extraction is loaded on corresponding second audio data successively according to time shaft order, generates the first voice data.
4. method according to claim 3, is characterized in that, the described voice data to extraction zooms in or out processing, to obtain the step of second audio data, comprises:
Whether the voice data that judgement is extracted is greater than default audio threshold;
If the voice data extracting is greater than default audio threshold, by the first preset rules, described voice data is amplified to processing, to obtain second audio data;
If the described voice data extracting is less than or equal to default audio threshold, by the second preset rules, described voice data is dwindled to processing, to obtain second audio data.
5. method according to claim 4, is characterized in that, described default audio threshold is 10000Hz; It is 16001Hz-19999Hz that the second audio data scope obtaining is processed in described amplification, described in dwindle that to process the second audio data scope obtaining be 0-29Hz.
6. method according to claim 4, is characterized in that, described the first voice data comprises 12 hexadecimal numbers, and wherein, first six digits represents the coding of the voice data of described extraction, the coding of the vedio data extracting described in rear six bit representations;
When the voice data of described extraction is greater than default audio threshold, the coding range of the first six digits of described the first voice data is: 0xB000--0xF000; When the voice data of described extraction is less than or equal to default audio frequency threshold values, the coding range of the first six digits of described the first voice data is: 0x5000--0x8000.
7. a transfer system for vedio data, is characterized in that, this system comprises transmitting terminal, and described transmitting terminal comprises:
Acquisition module, for obtaining program source data, and from described program source extracting data vedio data and the voice data obtaining;
Generation module, for the vedio data of described extraction is loaded into corresponding voice data successively according to time shaft order, generates the first voice data;
Modulation module, for carrying out acoustic signals modulation by the first voice data generating;
Voice output module, for transferring out the acoustic signals of modulation;
Described the first voice data comprises 12 hexadecimal numbers, and wherein, first six digits represents the coding of the voice data of described extraction, the coding of the vedio data extracting described in rear six bit representations.
8. system according to claim 7, is characterized in that, described system also comprises receiving terminal, and described receiving terminal comprises:
Receiving demodulation module, for receive and demodulation described in the acoustic signals modulated be the first corresponding voice data;
Recovery module, restores vedio data for described the first voice data from demodulation.
9. system according to claim 8, is characterized in that, described generation module comprises:
Unit for scaling, for the voice data extracting is zoomed in or out to processing, to obtain second audio data;
Generation unit, for the vedio data of described extraction is loaded into corresponding second audio data successively according to time shaft order, generates the first voice data.
10. system according to claim 9, is characterized in that, described unit for scaling comprises judging unit, the amplifying unit being connected, dwindles unit with described judging unit, wherein:
Judging unit, for judging whether the voice data of extraction is greater than default audio threshold; Described default audio threshold is 10000Hz;
Amplifying unit, while being greater than default audio threshold for the voice data extracting, amplifies processing by the first preset rules to described voice data, to obtain second audio data; It is 16001Hz-19999Hz that the second audio data scope obtaining is processed in described amplification;
Dwindle unit, while being less than or equal to default audio threshold for the described voice data extracting, by the second preset rules, described voice data is dwindled to processing, to obtain second audio data; Describedly dwindle that to process the second audio data scope obtain be 0-29Hz;
When the voice data of described extraction is greater than default audio threshold, the coding range of the first six digits of described the first voice data is: 0xB000--0xF000; When the voice data of described extraction is less than or equal to default audio frequency threshold values, the coding range of the first six digits of described the first voice data is: 0x5000--0x8000.
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| CN106162293A (en) * | 2015-04-22 | 2016-11-23 | 无锡天脉聚源传媒科技有限公司 | A kind of video sound and the method and device of image synchronization |
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| CN103686337B (en) | 2018-02-16 |
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