CN101527809B - Method for inserting voice data into transmission data - Google Patents

Method for inserting voice data into transmission data Download PDF

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Publication number
CN101527809B
CN101527809B CN2008100820908A CN200810082090A CN101527809B CN 101527809 B CN101527809 B CN 101527809B CN 2008100820908 A CN2008100820908 A CN 2008100820908A CN 200810082090 A CN200810082090 A CN 200810082090A CN 101527809 B CN101527809 B CN 101527809B
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data
digital
coding unit
acoustic coding
alternative
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CN101527809A (en
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谢明展
雷景期
龚金盛
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Realtek Semiconductor Corp
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Realtek Semiconductor Corp
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Abstract

The invention discloses a method for inserting a voice data into a transmission data, which is used for a video editing device. The video editing device inserts a substitute digital voice data having a first interference position and a second interference position in a blanking zone of a line scanning digital data. With interference characters, the substitute digital voice data avoids being regarded as a starting mark area or an ending mark area when a digital television reads the substitute digital voice data from the line scanning digital data. Thus, the line scanning digital data can transmit digital image data and the substitute digital voice data at the same time to improve the transmission efficiency of the line scanning digital data.

Description

The method of inserting voice data into transmission data
Technical field
The invention relates to the transmission data, refer to a kind of method of going into the Alternative digital voice data in the transmission Data Encapsulation especially.
Background technology
Press, traditional specification that television broadcasting system adopted comprises the NTSC that is adopted of North America and Japan, and the PAL that Britain, Germany and China are adopted also has SECAM that France, Eastern Europe and Russia adopted etc.The otherness of the specification of these television broadcasting systems is the differences that are number of scanning lines, and produces different screen resolutions.Based on above-mentioned parallel many specifications, (Consultative Committee of International Radio CCIR) stipulates several international standards on the transformat of Digital Television in Consultative Committee on International Radio (CCIR).
8 (bit) digital coding forms with the ordered CCIR656 standard of Consultative Committee on International Radio (CCIR), see also Figure 1 and Figure 2, be that the aberration and the brightness of the horizontal scanning line analog signal of simulated television are taken a sample with 4: 2: 2 ratio, and convert the DID of encoding to the numerical value of hexadecimal system, and this DID write in the horizontal scanning line numerical data 1 that forms according to 8 or 10 (bit) digital coding format editings, this horizontal scanning line numerical data 1 includes according to 8 (bit) digital coding forms and finishes marked area (EAV (End of Active Video) section) 10, initial marked area (SAV (Start of Active Video) section) 12, blanking zone (Blankingsection) 14 and effective image area (active video section) 16.Wherein this effective image area 16 is to write this DID, before this initial marked area 12 is provided in a side of this effective image area 16; After this end marked area 10 is provided in a side of this effective image area 16; This blanking zone 14 is provided in a side of this end marked area 10 and arrives 12 of initial marked areas;
Moreover, see also shown in Figure 2 again, be respectively equipped with reference cell (100 in this end marked area 10 and this initial marked area 12,120) and information unit (102,122), this reference cell (100 wherein, 120) be fixing three word group (word groups (word) such as " FF 00 00 " with hexadecimal system, formed by eight positions (bit)) expression, when Digital Television is understood horizontal scanning line numerical data 1, just be " FF 00 00 " if read three continuous word groups, the initial marked area 12 that i.e. expression has read at present horizontal scanning line numerical data 1 is this end marked area 10 maybe, this information unit (102,122) be first (field) and the sign of second field (field) in order to represent a frame figure field (frame), the sign of field or horizontal blanking, the sign of initial marked area 12 or end marked area 10, reach sign according to field or horizontal blanking, the information such as inspection sign of representing the sign generation of initial marked area 12 or end marked area 10, be with, be to represent this information unit (102 among Fig. 2 with " XY ", the word group of hexadecimal system 122) is variable, so, comprise four word groups such as " FF 00 00 XY " respectively in this end marked area 10 and this initial marked area 12;
Again, the data sequence of the DID of this effective image area 16 is Cb0, Y0, Cy0, Y1, Cb2, Y2 ... Cy718, Y719 amount to 1440 word groups (word), wherein Cb is the representative coding numerical value of the hexadecimal system of blue color difference components partially, Cy is the representative coding numerical value of the hexadecimal system of yellow color difference components partially, and Y is a coding numerical value of representing the hexadecimal system of brightness;
This blanking zone 14 then comprises 268 word groups, and blue partially poor according to the DID of this effective image area 16, brightness, the sequence of yellow partially difference, numerical value " 80 " (being " 1,000 0000 " of bit), " 10 " (being " 0,001 0000 " of bit) of inserting hexadecimal system respectively reach " 80 ".
From the above, at present 14 of this blanking zones are received in the words such as " 80 ", " 10 " of hexadecimal system, make that this blanking zone 14 is not used fully, therefore, if can in this blanking zone 14, insert digital audio data, and be received in the digital audio data of this blanking zone 14, can not cause the deciphering horizontal scanning line numerical data 1 of Digital Television mistake again, use the efficiency of transmission that improves horizontal scanning line numerical data 1.
Summary of the invention
A purpose of the present invention, be that the simulated sound sample is compiled the Alternative digital voice data, and embed in the blanking zone (Blanking Section) of horizontal scanning line numerical data, so, when Digital Television when understanding the horizontal scanning line numerical data, this Digital Television obtains the Alternative digital voice data from the blanking zone of this horizontal scanning line numerical data, and effective image area of the number of scanning lines digital data of being expert at obtains DID, in order to reach the purpose of the efficiency of transmission that improves the horizontal scanning line numerical data.
The invention provides a kind of method of inserting voice data into transmission data, be to be applied in audio-visual editing device, comprise the following steps: according to coded format at least one simulated sound, compile a digital channel data respectively, this digital sound track data includes data length unit and acoustic coding unit; With at least one first at least one position of disturbing in this data length unit of replacement, position, to produce the alternate data length cell; With at least one second at least one position of disturbing in this acoustic coding unit of replacement, position, substitute the acoustic coding unit to produce; Produce alternative channel data according to this alternate data length cell and corresponding alternative acoustic coding unit thereof; Produce the Alternative digital sample sound according to all alternative channel datas; And this Alternative digital sample sound is embedded in the blanking zone of transmission data; Wherein this first disturbs being set at of position that the initial of this alternate data length cell is made as 00 00, and this second disturbs being set at of position will substitute the initial of acoustic coding unit and end up all to be made as 10.
Can be for just your auditor to the object, the technical characteristics and the effect of the present invention, do further understanding and understand, cooperate graphicly now for embodiment, be described in detail as follows.
Description of drawings
Fig. 1 is the schematic diagram of eight coded formats of CCIR656 standard;
Fig. 2 is the schematic diagram of ten coded formats of CCIR656 standard;
Fig. 3 is the schematic diagram of the present invention in 8 coded formats of CCIR656 standard;
Fig. 4 is an operational flowchart of the present invention;
Fig. 5 is the schematic diagram of an Alternative digital sample sound in 8 coded formats of CCIR656 standard.
[main element label declaration]
The alternate data length cell ... 2 regular coding groups ... 20
Substitute sound length group ... 22 substitute the acoustic coding unit ... 3
Substitute channel data ... 4 Alternative digital sample sounds ... 5
The horizontal scanning line numerical data ... 6 initial marked areas ... 60
Finish the marked area ... 62 blanking zones ... 64
Reference cell ... 602,622
Information unit ... 604,624
Effective image area ... 66
Embodiment
The present invention is a kind of method of inserting voice data into transmission data, is to be applied in audio-visual editing device.In one embodiment of this invention, see also shown in Figure 3, this audio-visual editing device is according to digital audio coded format (20,24 or 32 digital acoustic coding form) with the simulated sound of different directions or frequency, compile a digital channel data respectively, in one embodiment of this invention, each digital sound track data is the digital acoustic coding form according to 20, and be divided into L channel data and right data, each is represented with L and R, respectively this digital sound track data includes data length unit and acoustic coding unit, wherein this data length unit is a plurality of word groups (word) that are provided with the numerical value editor composition of hexadecimal system, and to being formed by most position institutes acoustic coding unit that should the data length unit, in one embodiment of this invention, the data length unit is four positions by hexadecimal system, in order to the length of expression acoustic coding unit, the acoustic coding unit is by 6 of LS (Least), 6 of MS (Most), and middle 8 form.This acoustic coding unit is with a plurality of word groups of hexadecimal system, and in order to representing a simulated sound, this audio-visual editing device sees also shown in Figure 4ly behind this digital sound track data of editor, comprises the following steps:
(1) respectively at least one position wherein, this data length unit replaces with at least one first interference position forcibly, the alternate data length cell 2 that comprises this first interference position in order to generation, being set at of this first interference position is made as 00 00 with the initial of this alternate data length cell 2 in the present embodiment, in one embodiment of this invention, this alternate data length cell 2 is left alternate data length cell and right alternate data length cell;
(2) respectively at least one position wherein, this acoustic coding unit replaces with at least one second interference position forcibly, the alternative acoustic coding unit 3 that comprises this second interference position in order to generation, this second disturbs being set at of position will substitute the initial of acoustic coding unit 3 and end up all to be made as 10 in the present embodiment, in one embodiment of this invention, this alternative acoustic coding unit 3 is that a left side substitutes acoustic coding unit and the right acoustic coding unit that substitutes;
(3) each an alternate data length cell 2 and a corresponding alternative acoustic coding unit 3 thereof are formed alternative channel data 4 respectively, in one embodiment of this invention, are that a left side substitutes channel data and the right channel data that substitutes;
(4) each alternative channel data 4 is formed Alternative digital sample sound 5: this Alternative digital sample sound 5 disturbs the effect of position by this first and second, avoid any section of this Alternative digital sample sound 5, with the initial marked area 60 of the transmission data that form according to the digital coding format editing (as: horizontal scanning line numerical data) 6 or to finish the reference cell (602,622) of marked area 62 identical, in the present embodiment, be to have avoided continuous 80 or continuous 81 situation by the setting of first interference units and second interference units; And
(5) again this Alternative digital sample sound 5 is embedded in the blanking zone 64 of this horizontal scanning line numerical data 6.
So, this horizontal scanning line numerical data 6 can transmit DID and Alternative digital sample sound 5 simultaneously, in order to reach the purpose of the efficiency of transmission that improves horizontal scanning line numerical data 6.
In one embodiment of this invention, the simulated sound of different directions or frequency is to become respectively this digital sound track data according to 20 digital acoustic coding format editing, this horizontal scanning line numerical data 6 be with 8 or 10 (bit) of the ordered CCIR656 standard of Consultative Committee on International Radio (CCIR) or the digital coding format editing form, 8 coded formats with wherein CCIR656 standard, see also shown in Figure 3, the initial marked area 60 of this horizontal scanning line numerical data 6 is digitally coded four word groups (each word group is represented eight positions) such as " FF 00 00 XY " of hexadecimal system with end marked area 62, this reference cell (602 wherein, 622) be first three word group " FF 0000 " wherein, and this reference cell (602,622) represent then to be " 11,111,111 00,000,000 00000000 " with the digital coding of bit, the 4th word group then is information unit (604,624), it is the digitally coded word group with different hexadecimal systems, in order to first (field) and the sign of second field (field) of representing a frame figure field (frame), the sign of field or horizontal blanking, the sign of initial marked area 60 or end marked area 62, reach sign according to field or horizontal blanking, the information such as inspection sign of representing the sign generation of initial marked area 60 or end marked area 62 are so represent it with " XY ".
See also shown in Figure 5.Blanking zone 64 comprises alternate data length cell 2 and alternative acoustic coding unit 3, should substitute acoustic coding unit 3 is to be positioned at after this alternate data length cell 2, and this alternate data length cell 2 comprises a regular coding group 20 and an alternative sound length group 22 in regular turn, this regular coding group 20 is to write four these first interference positions, and four these first interference positions are respectively the numerical value " 0 " of bit, respectively should substitute sound length group 22 and write four positions, in order to represent the code length of corresponding alternative acoustic coding unit 3, represented it and respectively should substitute sound length group 22 word group with " length " in the 3rd and 4 figure, so, 2 four word groups such as " 00 00len gth " of forming bit of this alternate data length cell are promptly with reference cell (602,622) inequality.
Moreover, should substitute acoustic coding unit 3 is with top first and second position and rearmost two positions in the acoustic coding unit, replace with this second interference position respectively, again this 2 second to disturb the position be that the numerical value " 1 " of bit reaches " 0 " in regular turn, even arbitrary part of each alternative acoustic coding unit 3 is unlikely and this reference cell (602,622) identical, and setting by first interference units and second interference units, continuous 80 or continuous 81 situation have been avoided, make arbitrary part of the Alternative digital sample sound 5 formed by each alternative channel data 4 also be unlikely to and this reference cell (602,622) identical, avoid the generation of judging by accident.
Again, see also shown in Figure 3 again, in this blanking zone 64, do not insert the part of Alternative digital sample sound 5, then according to the DID of effective image area 66 of this horizontal scanning line numerical data 6 color difference components, brightness and the sequence of the color difference components of yellow partially of inclined to one side blueness, numerical value " 80 " (being " 10,000 0000 " of bit), " 10 " (being " 00010000 " of bit) of inserting hexadecimal system in regular turn reach " 80 ", till this blanking zone 64 all is filled.
And if 10 (bit) digital coding forms of the ordered CCIR656 standard of Consultative Committee on International Radio (CCIR), in this blanking zone 64, do not insert the part of Alternative digital sample sound 5, then according to the color difference components of the inclined to one side blueness of the DID of this effective image area 66, brightness and the sequence of the color difference components of yellow partially, numerical value " 200 " (being " 01 00000000 " of bit), " 040 " (being " 00 0,100 0000 " of bit) of inserting hexadecimal system in regular turn reach " 200 ", till this blanking zone 64 all is filled.And in the horizontal scanning line numerical data 6 of 10 (bit) digital coding forms of this CCIR656 standard, if will write the digital sound track data, also be in this data length unit and the acoustic coding unit disturbs the position to replace with first and second forcibly, use and form and this reference cell (602,622) alternative channel data 4 inequality.
In this embodiment, see also shown in Figure 5, respectively should substitute channel data 4 is alternately alternate data length cell 2 and alternative acoustic coding unit 3 to be arranged in respectively in this blanking zone 64, in other words, one of them alternative channel data 4 writes on the coding site of blanking zone 64 of digital coding form of 8 (bit) of CCIR656 standard, the color difference components of the inclined to one side blueness of just identical effective image area 66 reaches the coding site of yellow partially color difference components, another alternative channel data 4 writes on the coding site of blanking zone 64 of digital coding form of 8 (bit) of CCIR656 standard, the coding site of the brightness of then proper effective image area 66 that coincide, so, when this horizontal scanning line numerical data 6 is understood by this Digital Television, promptly respectively should substitute the color difference components of channel data 4 as inclined to one side blueness, Huang Se color difference components and brightness are after decoded partially; just be placed on respectively on the different buffers; especially; in the time respectively should substituting channel data 4 and be respectively the digital sound track data of left and right acoustic channels; this Digital Television can be saved and be read the transmission channel that respectively should substitute channel data 4; to simplify the circuit structure of Digital Television; more can make DID and digital audio data comparatively synchronous, eliminate the influence of delay inequality.
Press, the above is only for a specific embodiment of the best of the present invention, only structural feature of the present invention is not limited thereto, any those skilled in the art in field of the present invention, can think easily and variation or modification, all can be encompassed in the claim scope of the invention described above.

Claims (13)

1. the method for an inserting voice data into transmission data is to be applied in audio-visual editing device, comprises the following steps:
With at least one simulated sound, compile a digital channel data according to coded format respectively, this digital sound track data includes data length unit and acoustic coding unit;
With at least one first at least one position of disturbing in this data length unit of replacement, position, to produce the alternate data length cell;
With at least one second at least one position of disturbing in this acoustic coding unit of replacement, position, substitute the acoustic coding unit to produce;
Produce alternative channel data according to this alternate data length cell and corresponding alternative acoustic coding unit thereof;
Produce the Alternative digital sample sound according to all alternative channel datas; And
This Alternative digital sample sound is embedded in the blanking zone of transmission data;
Wherein this first disturbs being set at of position that the initial of this alternate data length cell is made as 00 00, and this second disturbs being set at of position will substitute the initial of acoustic coding unit and end up all to be made as 10.
2. method according to claim 1, wherein these transmission data are the horizontal scanning line numerical data.
3. method according to claim 1, wherein this simulated sound is to become this digital sound track data according to 20 digital acoustic coding format editing.
4. method according to claim 1, wherein these transmission data are that 8 digital coding format editing with the ordered CCIR656 standard of Consultative Committee on International Radio (CCIR) forms.
5. method according to claim 1, wherein this alternate data length cell is to be positioned at this blanking zone.
6. method according to claim 1, wherein should substitute the acoustic coding unit is to be positioned at this blanking zone.
7. method according to claim 6, wherein should substitute the acoustic coding unit is to be positioned at after this alternate data length cell.
8. method according to claim 1, wherein this alternate data length cell comprises at least one regular coding group, and this first interference position is to be compiled in this regular coding group.
9. method according to claim 1, wherein this alternate data length cell comprises at least one alternative sound length group, to represent substituting the code length of acoustic coding unit.
10. method according to claim 1 is not wherein inserted the part of this Alternative digital sample sound in this blanking zone, then insert at least one special value in regular turn according to the characteristic of these transmission data, till this blanking zone all is filled.
11. method according to claim 1 wherein should substitute channel data and comprise alternative channel data in a left side and the right channel data that substitutes.
12. method according to claim 1, wherein this alternate data length cell comprises left alternate data length cell and right alternate data length cell.
13. method according to claim 1 wherein should substitute the acoustic coding unit and comprise alternative acoustic coding unit, a left side and the right acoustic coding unit that substitutes.
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CN102609968B (en) * 2012-03-05 2015-06-24 深圳市优利麦克科技开发有限公司 Method and system for realizing audio picture

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353088A (en) * 1980-05-14 1982-10-05 Oak Industries, Inc. Coding and decoding system for video and audio signals
EP0200310A2 (en) * 1985-05-01 1986-11-05 General Instrument Corporation Direct broadcast satellite signal transmission system
CN1085721A (en) * 1992-07-24 1994-04-20 索尼公司 Prevent the method and apparatus of unauthorized copying of video signals
CN1384461A (en) * 2001-03-12 2002-12-11 索尼公司 Information sending and receiving device and method, transceiving system and method, and record meidum and program

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353088A (en) * 1980-05-14 1982-10-05 Oak Industries, Inc. Coding and decoding system for video and audio signals
EP0200310A2 (en) * 1985-05-01 1986-11-05 General Instrument Corporation Direct broadcast satellite signal transmission system
CN1085721A (en) * 1992-07-24 1994-04-20 索尼公司 Prevent the method and apparatus of unauthorized copying of video signals
CN1384461A (en) * 2001-03-12 2002-12-11 索尼公司 Information sending and receiving device and method, transceiving system and method, and record meidum and program

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开昭57-48881A 1982.03.20

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