CN205356604U - Live system of cinema - Google Patents
Live system of cinema Download PDFInfo
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- CN205356604U CN205356604U CN201620115110.7U CN201620115110U CN205356604U CN 205356604 U CN205356604 U CN 205356604U CN 201620115110 U CN201620115110 U CN 201620115110U CN 205356604 U CN205356604 U CN 205356604U
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Abstract
The utility model relates to a live system of cinema is applicable to and uses live required audio/video data and the light control data of satellite system transmission cinema, including the data acquisition end, data transmission link, data receiving terminal and the player terminal that connect in order, data acquisition end includes that video capture device, audio acquisition device and light control data arrange the device, and video capture device gathers multichannel video data and selects to export to all the way data transmission link according to the instruction, and the multichannel voice data is gathered and to transmitting to data transmission link to the audio acquisition device behind the multichannel audio frequency data transmission link 1, light control data transmission to the data transmission link that the device will be arrange is arrange to the light control data, the data receiving terminal includes data decode ware, video output interface, audio decoder ware. The embodiment of the utility model provides a high -quality cinema live broadcast effect of having utilized audio frequency and video, light control data separation collection technique and satellite transmission technology.
Description
Technical field
This utility model relates to multimedia play technology field, particularly to a kind of movie theatre live broadcast system.
Background technology
In view of super large high-definition display screen curtain and the advantage surrounding sound system, movie theatre is always up people and watches the primary choosing of hot film.And main flow is just quietly moved towards in one new culture activity, people come into movie theatre, perhaps for appreciating hot film, instead, are the on-the-spot high-definition live broadcastings of viewing ball match, concert etc..
Then, current movie theatre mostly remains as the projection system based on non-real-time file formula, it is achieved movie theatre is live yet suffers from a lot of technical problem needs to solve, and specifically how ensures that real-time live broadcast is still that one of problem needing solution badly.Currently, although also there being some documents to show to realize the movie theatre high-definition live broadcasting to ball match, concert etc. by direct broadcasting satellite technology, solve how to realize the real-time Transmission of the data such as HD video, HD Audio and how in Movie House, to come analog live broadcasting scene with the audiovisual experience of high-quality but without a whole set of perfect live broadcast system.For this, the interaction of star institute is also actively researching and developing seeking solution.
Utility model content
Therefore, for solving technological deficiency and the deficiency that prior art exists, the utility model proposes a kind of movie theatre live broadcast system.
Specifically, a kind of movie theatre live broadcast system that this utility model embodiment proposes, it is suitable for use with the satellite system live required voice data of transmission movie theatre, video data and signal light control data, described system includes the data acquisition end, data transmission link, data receiver and the playback terminal that are sequentially connected with, and described data transmission link includes the satellite transmitting antenna, satellite repeater and the satellite receiver that sequentially communicate to connect, wherein:
Described data acquisition end includes video acquisition device, audio collecting device and signal light control data layout device, described video acquisition device gathers multi-path video data and selects a road output extremely described data transmission link according to instruction, described audio collecting device gathers multi-path audio-frequency data and to described multi-path audio-frequency data coded transmission to described data transmission link, and described signal light control data layout device is by programmed for live scene signal light control data transmission to described data transmission link；
Described data receiver includes data decoder, video output interface, audio decoder and signal light control decoder, described data decoder one end electrically connects described data transmission link, the other end is electrically connected described video output interface, described audio decoder and described signal light control decoder, for being respectively supplied to described video output interface, described audio decoder and described signal light control decoder after described video data next for the transmission of described data transmission link, described voice data and described signal light control data decoded back；Described video output interface is by the video playing terminal of described video data transmission to described playback terminal, described audio decoder is by input after described voice data decoded back to the audio-frequency playing terminal of described playback terminal, and the signal light control data separated are passed the reduction output audio output device to described playback terminal by described signal light control decoder.
On the basis of above-described embodiment, described video acquisition device includes multiple picture pick-up device and video switcher, described video switcher is electrically connected the plurality of picture pick-up device, for selecting video data transmission described in a road to described data transmission link from the plurality of picture pick-up device according to user instruction；
Described audio collecting device includes multiple audio collection device and audio coder, described audio coder is electrically connected the plurality of audio collection device, for the described voice data that the plurality of audio collection device collects is compressed and is transmitted to described data transmission link.
Described signal light control data layout device includes multiple light units and signal light control data encoder, described signal light control data encoder is electrically connected the plurality of light units, and described light marshal data carries out multiplexing transmission extremely described data transmission link simultaneously.
On the basis of above-described embodiment, described video switcher is video matrix switcher, and described audio coder is Dolby AC-3 audio coder, and described Light Control Unit is signal light control codec.
On the basis of above-described embodiment, described data transmission link also includes data encoder, manipulator, upconverter and power amplifier, described data encoder, described manipulator, described upconverter, described power amplifier, described satellite transmitting antenna, described satellite repeater and described satellite receiver are sequentially connected with, and described data encoder also electrically connects described video switcher, described audio coder and described signal light control data encoder, for by described video data, described voice data and described signal light control data mixing coding form a road audio, video data for transmission.
On the basis of above-described embodiment, described data encoder is H.265/H.264 high definition encoder, and described manipulator is DVB manipulator, and described upconverter is radio-frequency-up-converter, and described power amplifier is C/Ku wave band high power amplifier.
On the basis of above-described embodiment, described data receiver also includes frequency demultiplier, described frequency demultiplier is electrically connected between described satellite earth antenna and described data decoder, rf data for the transmission of described satellite earth antenna is come carries out down conversion process, and transmits the data after down conversion process to described data decoder.
On the basis of above-described embodiment, described frequency demultiplier is lnb, described data decoder is H.265/H.264 high definition decoder, described audio decoder (134) is Dolby AC-3 audio decoder, and described video output interface (133) is the combination in any with lower interface:
HDMI；
SDI interface；
DVI-Digital；
IP interface.
On the basis of above-described embodiment, any one transmission line following between described data decoder with described audio decoder, is adopted to be connected:
Optical fiber transmission line；
Coaxial transmission line；
8 vocal tract analog Balanced Audio transmission lines of DB25 interface；
4 groups of AES/EBU Digital Audio Transmission lines of DB25 interface；
The AES/EBU Digital Audio Transmission line of 1 group of bnc interface.
On the basis of above-described embodiment, described playback terminal includes video playing terminal, multiple audio-frequency playing terminal and multiple stage lamp device.
On the basis of above-described embodiment, described video playing terminal is scialyscope or LED display screen system.
A kind of movie theatre live broadcast system that this utility model provides, by live video, audio frequency and signal light control Dynamic data exchange collection and combine packing, and utilizes satellite link to complete the transmission of quality data, it is achieved the synchronization of movie theatre is play.Additionally, movie theatre live broadcast system based on the interaction exploitation of star institute, movie theatre can not only be realized live, more can guarantee that the high grade picture at movie theatre scene and high-fidelity audio, spectators are enable to enjoy strong sound visual impact sense at movie theatre, particularly under the current pattern that concert is moved into movie theatre, spectators' demand at live middle pursuit presence more can be met.
By the detailed description below with reference to accompanying drawing, other side of the present utility model and feature become apparent upon.It is understood that this accompanying drawing is only the purpose design of explanation, not as the restriction of scope of the present utility model, this is because it should refer to appended claims.It should also be noted that unless otherwise noted, it is not necessary to scale accompanying drawing, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
Fig. 1 is the structural representation of the movie theatre live broadcast system of this utility model embodiment.
Detailed description of the invention
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
Referring to the structural representation of the movie theatre live broadcast system that Fig. 1, Fig. 1 are this utility model embodiment, this movie theatre live broadcast system can include data acquisition end 11, data transmission link 12, data receiver 13, playback terminal 14, wherein, data acquisition end 11, data transmission link 12, data receiver 13, playback terminal 14 connects such as Fig. 1 signal successively, and this data acquisition end 11 can include video acquisition device 111, audio collecting device 112 and light data code device 113, this data transmission link 12 can include sequentially signal and connect data encoder 121, manipulator 122, upconverter 123, power amplifier 124, satellite transmitting antenna 125, satellite repeater 126 and satellite earth antenna 127, this data receiver 13 can include the frequency demultiplier 131 being sequentially connected, data decoder 132 and video output interface 133, audio decoder 134 and signal light control decoder 136, and audio decoder 134 electrically connects audio frequency amplifier 135, this playback terminal 14 can include video playing terminal 141, multiple audio-frequency playing terminals 142 and multiple stage lamp device 143, and video playing terminal 141 can be scialyscope, it is also possible to it is LED display screen system, does not limit herein.
Specifically, video acquisition device 111 and audio collecting device 112 in this data acquisition end 11 are respectively used to gather video data and the voice data at live scene, wherein, video acquisition device 111 can be include multiple picture pick-up device 1111 and the video switcher 1112 being connected with the plurality of picture pick-up device 1111, and this picture pick-up device 1111 is such as rocking arm video camera, high-speed camera, network direct broadcasting video camera etc. can quickly transmit high-quality camera head, this video switcher 1112 is for using the data encoder 121 that a certain road video data exports rear class electrical connection of specifying in the multiple picture pick-up devices 1111 collected for movie theatre on-the-spot broadcasting according to user instruction, it can be traditional video switcher, can also be the video switcher integrated with on-the-spot instructor in broadcasting, no limitations are hereby intended, additionally, this video switcher 1112 can adopt standard snap-fit adapter (BayonetNutConnector, it is called for short BNC) interface, preferably, this video switcher 1112 is video matrix switcher, this have the advantage that, video matrix switcher possesses automatic gain technology, with power-off scene protection function, ensure that the advantages such as the display switching of high resolution graphics image signal simultaneously.
Audio collecting device 112 can include multiple audio collection device 1121 and the audio coder 1122 being connected with the plurality of audio collection device 1121, wherein, this audio collection device 1121 is preferably corresponding multiple high performance mike MIC_FL, MIC_FR, MIC_C, MIC_BL, MIC_BR etc., this audio coder 1122 is for exporting the data encoder 121 electrically connected to rear pole for the live use of movie theatre after the multiple voice datas collected are encoded process, and this audio coder 1122 is preferably Dolby AC-3 (DolbySurroundAudioCoding-3) audio coder, this have the advantage that, form owing to ambiophonic system is added a subwoofer sound channel by five full frequency-domain sound channels, its five sound channels include preposition L channel FL, R channel FR, center channels C, a rearmounted left side surrounds sound channel BL and right surround sound channel BR, frequency range is full frequency-domain response 3-20000Hz, its subwoofer sound channel is mainly used in providing some scenes such as blast, the speciality audio of strike note etc., frequency range is 3-120Hz, and utilize AC-3 audio coder that the information of 6 sound channels can be made to make and whole digitizeds in reduction process, information loss is little, the details of full frequency band is very abundant, the audio at the scene of can reducing well.This audio coder 1122 can also be the sound console that live scene is conventional simultaneously.
Light data layout device 113 comprises multiple light of stage equipment 1131 and a signal light control data encoder 1132, for instance multiple stage lightings and a light control console.Light control console controls multiple stage lightings, comprise face light modulation, ceiling light, foot lamp, follow spot light, laser lamp etc., light control console exports signal light control data the data encoder 121 of rear class electrical connection simultaneously, light data audiovisual signal carries out hybrid coding, and it is delivered to lower DBMS decoding end 13 by transmission link 12, data receiver 13 carries out after the decoding of light data and audio-video signal separates, data signal is sent to signal light control decoder 136, the brightness of multiple movie theatre stage lamp devices 143 of playback terminal 14 is controlled after decoding each street lamp photocontrol instruction via this signal light control decoder 136, advantage of this is that guarantee lighting scene effect is synchronization with audio frequency and video.Wherein, signal light control decoder 136 is such as DMX512 equipment.
Currently, audio, video data based on movie theatre live transmission is all either directly through camera acquisition, namely it is transferred to Movie House after audio frequency and video mixing compression, as adopted the mode of mixing TV signal, and the audio frequency and video blended data that this mode is made, audio frequency effect and the video effect shown after movie theatre end decoding process all cannot meet current viewing demand, therefore, the Voice & Video that this utility model adopts separates the mode gathered, by independent to video data and voice data capturing and coding, the data being capable of collecting are HD video data and HD Audio data.
In data transmission link 12, this data encoder 121 is encoded preparing against for video data data acquisition end collection come and voice data and transmits in data transmission link 12, this data encoder 121 is preferably H.264 high definition (such as 1920*1080) encoder, owing to it possesses significantly high data compression ratio, encoder complexity is low, it is not easy the advantages such as packet loss, it is possible to meet the transmission of high-quality audio, video data；This manipulator 122 is for being converted into radiofrequency signal by the traffic spike after data encoder encodes, and this manipulator 122 is preferably DVB (DigitalVideoBroadcasting is called for short DVB) manipulator；This upconverter 123 for the frequency spectrum frequency displacement of the radiofrequency signal after manipulator 122 is processed to required higher carrier frequencies such as 11.3G, for instance for radio-frequency-up-converter；This power amplifier 124 carries out power amplification for the carrier radio frequency signal after upconverter 123 being processed and is transmitted for satellite antenna, for instance for C/Ku wave band high power amplifier.This star transmitting antenna 125, satellite repeater 126 and satellite earth antenna 127 are for the rf data transmitted after power amplifier 124 processes and are transmitted in this data receiver 13 to complete the transmission of on-the-spot audio, video data.
In this data receiver 13, this frequency demultiplier 131 processes obtain Voice & Video data for the high-frequency transmission data received is done frequency reducing and low noise amplification, this frequency demultiplier 131 is such as lnb (Low-NoiseBlockconverter, it is called for short LBN), include low noise frequency converter and low-converter inside it；This data decoder 132 is for the audio frequency after frequency demultiplier 131 processes, video data and signal light control decoding data respectively obtain HD video data, the signal light control data at the live scene of HD Audio data and synchronization, afterwards video data is sent to this video output interface 133 and exports the scialyscope to movie theatre or LED display screen system for this video output interface 133, and voice data is sent to this audio decoder 134, the voice data decoding high-fidelity for this audio decoder 134 transmits to this audio frequency amplifier 135, reduced the audio signal of input without distortions by this audio frequency amplifier 135 again to export for the stereo set of movie theatre, simultaneously by signal light control data transmission to signal light control decoder 136, by signal light control decoder 136, the stage lighting units 1131 of output valve movie theatre after the signal light control instruction decoding at live scene is controlled its brightness again, realize the Synchronization Control of light.Wherein, this data decoder 132 is such as H.264/H.264 high definition decoder, this video output interface 133 such as includes HDMI (HighDefinitionMultimediaInterface, be called for short HDMI) interface, (SerialDigitalInterface, it is called for short SDI) interface, DVI-Digital, IP interface etc., this audio decoder 134 is such as Dolby AC-3 audio decoder 134, and this audio frequency amplifier 135 can also be audio-frequency power amplifier.
Preferably, AES/EBU transmission line is adopted between this data decoder 132 and this audio decoder 134, this have the advantage that, AES/EBU (AudioEngineeringSociety/EuropeanBroadcastUnion) transmission line is coaxial line, its need not balanced can at the distance transmitting data up to 100m, if it is balanced, it is possible to transmit farther distance, and ensure that voice data is lossless.It is of course also possible to the AES/EBU Digital Audio Transmission line of 4 groups of AES/EBU Digital Audio Transmission lines of employing optical fiber transmission line, 8 vocal tract analog Balanced Audio transmission lines of DB25 interface, DB25 interface or 1 group of bnc interface.
In the present embodiment, the multi-channel video output interface 133 live broadcasting for movie theaters multiple in same movie theatre can be set, certainly may also set up multichannel data receiving terminal 13 to play for the synchronization of the multiple movie theaters belonged in same satellite earth antenna 127 coverage, play alternatively, it is also possible to arrange multiple satellite earth antenna 127 for the synchronization of movie theatre in China.
The present embodiment, by by live video and audio frequency independent acquisition and combine packing transmission, and utilizes satellite link to complete the transmission of high-quality audio, video data, it is achieved the synchronization of movie theatre is play.Additionally, movie theatre live broadcast system based on the interaction exploitation of star institute, movie theatre can be realized live, can guarantee that again the high grade picture of movie theatre and high-fidelity audio and be capable of the synchronization of audio frequency and video, enable a viewer to enjoy strong sound visual impact at movie theatre, more can guarantee that, particularly under the current pattern that concert is moved into movie theatre, the presence on the spot in person that spectators pursue.
In sum, principle and the embodiment of this utility model movie theatre live broadcast system are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method of the present utility model and core concept thereof；Simultaneously; for one of ordinary skill in the art; according to thought of the present utility model; all will change in specific embodiments and applications; in sum; this specification content should not be construed as restriction of the present utility model, and protection domain of the present utility model should be as the criterion with appended claim.
Claims (10)
1. a movie theatre live broadcast system (10), it is suitable for use with the satellite system live required voice data of transmission movie theatre, video data and signal light control data, described system includes the data acquisition end (11), data transmission link (12), data receiver (13) and the playback terminal (14) that are sequentially connected with, and described data transmission link (12) includes the satellite transmitting antenna (125), satellite repeater (126) and the satellite receiver (127) that sequentially communicate to connect, it is characterised in that:
Described data acquisition end (11) includes video acquisition device (111), audio collecting device (112) and signal light control data layout device (113)；
Described data receiver (13) includes data decoder (132), video output interface (133), audio decoder (134) and signal light control decoder (136), described data decoder (132) one end electrically connects described data transmission link (12), and the other end is electrically connected described video output interface (133), described audio decoder (134) and described signal light control decoder (136).
2. the system as claimed in claim 1 (10), it is characterized in that, described video acquisition device (111) includes multiple picture pick-up device (1111) and video switcher (1112), and described video switcher (1112) is electrically connected the plurality of picture pick-up device (1111)；
Described audio collecting device (112) includes multiple audio collection device (1121) and audio coder (1122), and described audio coder (1122) is electrically connected the plurality of audio collection device (1121)；
Described signal light control data layout device (113) includes and multiple light unitses (1131) and signal light control data encoder (1132), and described signal light control data encoder (1132) is electrically connected the plurality of light units (1131).
3. system (10) as claimed in claim 2, it is characterized in that, described video switcher (1112) is video matrix switcher, described audio coder (1122) is Dolby AC-3 audio coder, and described Light Control Unit (1132) is signal light control data codec.
4. system (10) as claimed in claim 2, it is characterized in that, described data transmission link (12) also includes data encoder (121), manipulator (122), upconverter (123) and power amplifier (124), described data encoder (121), described manipulator (122), described upconverter (123), described power amplifier (124), described satellite transmitting antenna (125), described satellite repeater (126) and described satellite receiver (127) are sequentially connected with, and described data encoder (121) also electrically connects described video switcher (1112), described audio coder (1122) and described signal light control data encoder (1132).
5. system (10) as claimed in claim 4, it is characterized in that, described data encoder (121) is H.265/H.264 high definition encoder, described manipulator (122) is DVB manipulator, described upconverter (123) is radio-frequency-up-converter, and described power amplifier (124) is C/Ku wave band high power amplifier.
6. system (10) as claimed in claim 4, it is characterized in that, described data receiver (13) also includes frequency demultiplier (131), and described frequency demultiplier (131) is electrically connected between described satellite earth antenna (12) and described data decoder (132).
7. system (10) as claimed in claim 6, it is characterized in that, described frequency demultiplier (131) is lnb, described data decoder (132) is H.265/H.264 high definition decoder, described audio decoder (134) is Dolby AC-3 audio decoder, and described video output interface (133) is the combination in any with lower interface:
HDMI；
SDI interface；
DVI-Digital；
IP interface.
8. the system as claimed in claim 1 (10), adopt any one transmission line following to be connected between described data decoder (132) with described audio decoder (134):
Optical fiber transmission line；
Coaxial transmission line；
8 vocal tract analog Balanced Audio transmission lines of DB25 interface；
4 groups of AES/EBU Digital Audio Transmission lines of DB25 interface；
The AES/EBU Digital Audio Transmission line of 1 group of bnc interface.
9. the system as claimed in claim 1 (10), it is characterized in that, described playback terminal (14) includes video playing terminal (141), multiple audio-frequency playing terminal (142) and multiple stage lamp device (143).
10. system (10) as claimed in claim 9, it is characterised in that described video playing terminal (141) is scialyscope or LED display screen system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115110.7U CN205356604U (en) | 2016-02-05 | 2016-02-05 | Live system of cinema |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115110.7U CN205356604U (en) | 2016-02-05 | 2016-02-05 | Live system of cinema |
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| CN205356604U true CN205356604U (en) | 2016-06-29 |
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| CN201620115110.7U Expired - Fee Related CN205356604U (en) | 2016-02-05 | 2016-02-05 | Live system of cinema |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107592550A (en) * | 2017-09-25 | 2018-01-16 | 陕西国广数码科技有限公司 | The live synchronization transfer method of movie theatre |
| CN109814406A (en) * | 2019-01-24 | 2019-05-28 | 成都戴瑞斯智控科技有限公司 | A kind of data processing method and decoder architecture of the automatically controlled analogue system of model trajectory |
-
2016
- 2016-02-05 CN CN201620115110.7U patent/CN205356604U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107592550A (en) * | 2017-09-25 | 2018-01-16 | 陕西国广数码科技有限公司 | The live synchronization transfer method of movie theatre |
| CN107592550B (en) * | 2017-09-25 | 2021-03-30 | 陕西国广数码科技有限公司 | Cinema live broadcast synchronous transmission method |
| CN109814406A (en) * | 2019-01-24 | 2019-05-28 | 成都戴瑞斯智控科技有限公司 | A kind of data processing method and decoder architecture of the automatically controlled analogue system of model trajectory |
| CN109814406B (en) * | 2019-01-24 | 2021-12-24 | 成都戴瑞斯智控科技有限公司 | Data processing method and decoder framework of track model electronic control simulation system |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cinema live broadcasting system Effective date of registration: 20180930 Granted publication date: 20160629 Pledgee: Du Shiyang Pledgor: Ding Feng Registration number: 2018990000918 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Date of cancellation: 20181029 Granted publication date: 20160629 Pledgee: Du Shiyang Pledgor: Ding Feng Registration number: 2018990000918 |
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Effective date of registration: 20181107 Address after: 710026 Shaanxi Xi'an international port area Internet of things application Industrial Park integrated office building No. 209 Patentee after: Xi'an Star Interactive Culture Technology Co., Ltd. Address before: 710000 Qujiang city garden, Yanta Road, Yanta District, Xi'an, Shaanxi 1, 2-201 Patentee before: Ding Feng |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160629 Termination date: 20190205 |