CN106792374A - A kind of music class reality TV show program surround sound audio preparation method - Google Patents
A kind of music class reality TV show program surround sound audio preparation method Download PDFInfo
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- CN106792374A CN106792374A CN201710015645.6A CN201710015645A CN106792374A CN 106792374 A CN106792374 A CN 106792374A CN 201710015645 A CN201710015645 A CN 201710015645A CN 106792374 A CN106792374 A CN 106792374A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
- H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo five- or more-channel type, e.g. virtual surround
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/026—Single (sub)woofer with two or more satellite loudspeakers for mid- and high-frequency band reproduction driven via the (sub)woofer
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Abstract
The present invention relates to a kind of surround sound audio preparation method of music class reality TV show program 5.1, including pre-production process and post production process, comprise the following steps that：1）Pre-production process is mainly the multichannel surround sound classification way of recording by classifying based on audio ＆ video power correlation, and the sound effect of the point of rail of On-site band, clean voice and audience in reality TV show program is recorded；2）Post production process is mainly the audio frequency and video Making programme for setting up asynchronous cooperation, and the flow mainly includes that video clipping, music dub, see effect premix, finishing dialogue, surround sound mixed eventually, output and broadcast.Pre-production avoids public address interference, produce clear, clean, natural program space sound field, and ensure that the editing of video multichannel and audio multichannel dub and can independently carry out, the asynchronous cooperation pattern of post-production realizes the assurance and efficient surround sound manufacturing process to key node in making, controls integral manufacturing speed and quality.
Description
Technical field
Made the present invention relates to audio manufacture technology field, more particularly to a kind of music class reality TV show program surround sound audio
Method.
Background technology
5.1 surround sounds are a kind of composition standards of surround sound.It includes 5 Whole frequency band sound channels and 1 low frequency effect
Fruit sound channel.There is 1 sound channel to deliver to center loudspeaker in 5 Whole frequency band sound channels, 2 sound channels deliver to left loudspeaker and the right side respectively
Front speaker, in addition 2 sound channels deliver to the circulating loudspeaker positioned at both sides respectively." .1 " is low frequency effects channel, carrying it is low
Frequency sound effect can be reduced by super woofer, and these sound effects may more be felt, and can't hear, so LFE（low
frequency effect）Sound channel is also referred to as " .1 " sound channel.5.1 surround sound audios have turned into audio system in being produced on TV station
Make one of most important mainstream technology, many large-scale variety shows all more and more carry out the making of audio using this technology
And broadcast.The major obstacle that surround sound makes in current influence reality TV show program be do not set up it is efficient, professional, shared, point
The rational asynchronous cooperation mechanism of work, causes between video and audio, lacks exchange between each work post of audio, between audio and technology
Docking, ultimately results in surround sound audio producing efficiency low.
The content of the invention
In order to solve the above problems, the invention provides a kind of surround sound audio making side of music class reality TV show program 5.1
Method.
The technical solution adopted in the present invention is：
A kind of surround sound audio preparation method of music class reality TV show program 5.1, including pre-production process and post production process,
Comprise the following steps that：
1）Pre-production process is mainly to classify by the multichannel surround sound classified based on audio ＆ video power correlation records
Sound method, under the sound effect of the point of rail of On-site band, clean voice and audience in reality TV show program is recorded
Come；
2）Post production process is mainly the audio frequency and video Making programme for setting up asynchronous cooperation, and the flow is mainly cut including video
Volume, music dubs, sees effect premix, finishing dialogue, surround sound mixed eventually, output and broadcast.
The step 1）Pre-production process be specially：According to audio content and the power of video content correlation, incite somebody to action
Audio content is divided into strong correlation audio, weak dependence audio and micro- correlation audio, and strong correlation audio includes live language
Speech, live instant report, Spatial ambience sound, weak dependence audio include live performance sound, musical accompaniment sound, micro- correlation audio pack
Include live audio sound, unit and collect and record sound；During pre-production, strong correlation audio ＆ video is packed and is recorded, saved as same
Individual file, by weak dependence audio with timing code be with reference to being recorded separately in audio workstation, using micro- correlation audio as
The reference voice of post production process；When Voice ＆ Video is recorded, using same clock signal and strict synchronization is kept.
The multichannel surround sound classification way of recording is based on the same period point of rail way of recording under public address environment, using closely
The mode of point microphone+space environment type microphone combination carries out pickup；In pickup, the region pickup for avoiding main public address should be selected to surround
Acoustical signal, surround sound microphone holder is tried one's best height, to ensure there is preferable spatial impression and group to feel around signal, surround sound microphone holder
17 meters should not be exceeded with a distance from main public address around microphone from sound source 5-8 meters, main voice and musical instrument are all using closely
Point microphone pickup, combined effect device creates rational space；Environment is increase space in addition to being picked up around microphone
The thickness and granular sensation of sound field, also arrange several microphone with strong directivity auxiliary pickups.
The step 2）Post production process be specially：By video clipping, music dub and see effect premix and
Surround sound confuses step and carries out eventually, and ethnic minority regions file, realizes asynchronous cooperation；Video clipping uses monophonic reference music and ginseng
Examining sight effect carries out preliminary shearing, and in the same time, music is dubbed independently to be carried out, meanwhile, the surround sound of audio part sees effect and also utilizes sound
Multichannel point of rail information in frequency work station is premixed in advance, and completion to be premixed will be pushed to surround sound in project file mode
It is mixed eventually；Treat that video preliminary shearing is completed, the video clip information based on AAF project files is pushed into finishing dialogue, to dialogue audio
Enter edlin and arrangement；Treat that dialogue audio is arranged to finish, the related audio in video preliminary shearing is replaced with it；Treat that video fine pruning is complete
Into the video fine pruning information pushing that will be based on same AAF project files is mixed three eventually to dialogue, sight effect premix surround sound is repaired
Group；Now, dialogue editor group will again arrange dialogue material according to video fine pruning information, dialogue editor after the completion of waiting to arrange
Information pushing is given surround sound Zhong Hun groups by group in project file mode；At the same time, see effect premix is also carried out synchronously, is treated
Its completion is also pushed to surround sound Zhong Hun groups in project file mode；So far, surround sound Zhong Hun groups have obtained whole
Audio mixing material, carries out final dubbing work；After the completion of surround sound is mixed eventually, 6 wav files of single track of final output, point
Wei not surround behind L channel, R channel, center channels, bass, the left back circular, right side, with 6 wav files of single track to final
Timeline on and monophonic or it is stereo on original point of rail audio substitute together, finally by Doby encoder by surround sound
6 sound channels by encode output to broadcast medium.
The invention has the advantages that：
The same period point of rail way of recording that pre-production process is based under public address environment can preferably avoid public address interference, produce
Clearly, totally, natural program space sound field, meanwhile, also ensure that the editing of video multichannel and audio multichannel dub can
Independently carry out, be that post production process saves valuable time；The asynchronous cooperation pattern of post production process is realized to making
The assurance of middle key node and efficient surround sound manufacturing process, control integral manufacturing speed and quality.
Brief description of the drawings
By being more particularly described for the preferred embodiments of the present invention shown in accompanying drawing, above and other mesh of the invention
, feature and advantage will become apparent from.Identical reference indicates identical part in whole accompanying drawings.Not deliberately by real
Border size equal proportion scaling draws accompanying drawing, it is preferred that emphasis is show purport of the invention and principle.
Fig. 1 is the surround sound audio preparation method mid-early stage manufacturing process flow chart of music class reality TV show program 5.1.
Fig. 2 is 5.1 surround sound audio preparation method middle and later periods of music class reality TV show program manufacturing process flow chart.
Specific embodiment
Embodiments of the invention are elaborated below in conjunction with the accompanying drawings：
Referring to shown in Fig. 1~2, a kind of surround sound audio preparation method of music class reality TV show program 5.1, including pre-production process
And post production process, comprise the following steps that：
1）Pre-production process is mainly to classify by the multichannel surround sound classified based on audio ＆ video power correlation records
Sound method, under the sound effect of the point of rail of On-site band, clean voice and audience in reality TV show program is recorded
Come, specially：
According to audio content and the power of video content correlation, audio content is divided into strong correlation audio, weak dependence sound
Frequently and micro- correlation audio, strong correlation audio includes live language, live instant report, Spatial ambience sound, weak dependence sound
Frequency includes live performance sound, musical accompaniment sound, and micro- correlation audio includes that live audio sound, unit collect and record sound；Pre-production mistake
Cheng Zhong, strong correlation audio ＆ video is packed and is recorded, and same file is saved as, by weak dependence audio with timing code as reference
Be recorded separately in audio workstation, using micro- correlation audio as post production process reference voice；Pre-production process
In, when Voice ＆ Video is recorded, using same clock signal and keep strict synchronization.
The multichannel surround sound classification way of recording is based on the same period point of rail way of recording under public address environment, using closely
Point microphone adds the mode of space environment type microphone combination to carry out pickup.
In pickup, should select to avoid the region pickup of main public address around acoustical signal, surround sound microphone holder is tried one's best height, is
Ensure there is preferable spatial impression and group to feel around signal, surround sound microphone holder should be from sound source 5-8 meters, around microphone from main public address
Distance do not exceed 17 meters, all using microphone pickup is closely put, combined effect device creates conjunction for main voice and musical instrument
The space of reason；Environment, to increase the thickness and granular sensation of space sound field, also arranges several in addition to being picked up around microphone
Microphone with strong directivity aids in pickup.
Surround sound pickup main method has special microphone array and universal microphone array.
2）Post production process is mainly the audio frequency and video Making programme for setting up asynchronous cooperation, and the flow mainly includes video
Editing, music dub, see effect premix, finishing dialogue, surround sound mixed eventually, output and broadcast, specially：
Video clipping, music in the flow dub and see effect premix and surround sound mixes can synchronously carry out eventually, and shared
Project file, realizes asynchronous cooperation；Video clipping carries out preliminary shearing using monophonic reference music and with reference to effect is seen, with for the moment
Between, music is dubbed can independently be carried out, meanwhile, the surround sound of audio part sees the multichannel point that effect can also be used in audio workstation
Rail information is premixed in advance, and it is mixed eventually that completion to be premixed will be pushed to surround sound in project file mode；Treat that video preliminary shearing is completed,
Video clip information based on AAF project files is pushed into finishing dialogue, edlin and arrangement are entered to dialogue audio；Treat dialogue
Audio is arranged and finished, and the related audio in video preliminary shearing is replaced with it；Treat that video fine pruning is completed, will be based on same AAF engineerings text
The video fine pruning information pushing of part imitates premix surround sound Zhong Hunsange groups to dialogue, sight is repaired.Now, dialogue editor group
Dialogue material will again be arranged according to video fine pruning information, dialogue editor group will be believed in project file mode after the completion of waiting to arrange
Breath is pushed to surround sound Zhong Hun groups；At the same time, see effect premix is also carried out synchronously, treats that it is completed also in project file mode
It is pushed to surround sound Zhong Hun groups；So far, surround sound Zhong Hun groups have obtained whole audio mixing materials, can carry out most
Whole dubs work；After the completion of surround sound is mixed eventually, 6 wav files of single track of final output, respectively L channel, R channel, in
Put sound channel, bass, it is left back around, the right side after surround, with 6 wav files of single track on final timeline and monophonic or
Original point of rail audio on stereo is substituted together, finally by Doby encoder that 6 sound channels of surround sound are defeated by encoding
Go out to broadcast medium.
General principle of the invention and principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (3)
1. a kind of surround sound audio preparation method of music class reality TV show program 5.1, it is characterised in that including pre-production process and
Post production process, comprises the following steps that：
1）Pre-production process is mainly to classify by the multichannel surround sound classified based on audio ＆ video power correlation records
Sound method, under the sound effect of the point of rail of On-site band, clean voice and audience in reality TV show program is recorded
Come；
2）Post production process is mainly the audio frequency and video Making programme for setting up asynchronous cooperation, and the flow is mainly cut including video
Volume, music dubs, sees effect premix, finishing dialogue, surround sound mixed eventually, output and broadcast.
2. the surround sound audio preparation method of music class reality TV show program 5.1 according to claim 1, it is characterised in that institute
State step 1）Pre-production process be specially：According to audio content and the power of video content correlation, audio content is divided
It is strong correlation audio, weak dependence audio and micro- correlation audio, strong correlation audio includes live language, the live same period
Sound, Spatial ambience sound, weak dependence audio include live performance sound, musical accompaniment sound, and micro- correlation audio includes live audio
Sound, unit collect and record sound；During pre-production, strong correlation audio ＆ video is packed and is recorded, save as same file, will be weak
Correlation audio is with reference to being recorded separately in audio workstation, using micro- correlation audio as post production process with timing code
Reference voice；When Voice ＆ Video is recorded, using same clock signal and strict synchronization is kept；
The multichannel surround sound classification way of recording is based on the same period point of rail way of recording under public address environment, using closely point words
The mode of cylinder plus space environment type microphone combination carries out pickup；In pickup, should select to avoid the region pickup surround sound of main public address
Signal, surround sound microphone holder is tried one's best height, and to ensure have preferable spatial impression and group to feel around signal, surround sound microphone holder should
From sound source 5-8 meters, 17 meters are not exceeded with a distance from main public address around microphone, main voice and musical instrument are all using closely point
Microphone pickup, combined effect device creates rational space；Spatial ambience sound is increase in addition to space environment microphone is picked up
The thickness and granular sensation of space sound field, also arrange several microphone with strong directivity auxiliary pickups.
3. the surround sound audio preparation method of music class reality TV show program 5.1 according to claim 1, it is characterised in that institute
State step 2）Post production process be specially：Effect premix is dubbed and seen to video clipping, music and surround sound is mixed eventually
Synchronously carry out, and ethnic minority regions file, realize asynchronous cooperation；Video clipping is carried out using monophonic reference music and with reference to effect is seen
Preliminary shearing, in the same time, music is dubbed independently to be carried out, meanwhile, the surround sound of audio part sees effect also using in audio workstation
Multichannel point of rail information premixed in advance, it is mixed eventually that completion to be premixed will be pushed to surround sound in project file mode；Wait to regard
Frequency preliminary shearing is completed, and will push to finishing dialogue based on the video clip information of AAF project files, dialogue audio is entered edlin and
Arrange；Treat that dialogue audio is arranged to finish, the related audio in video preliminary shearing is replaced with it；Treat that video fine pruning is completed, will be based on same
The video fine pruning information pushing of one AAF project files imitates premix surround sound Zhong Hunsange groups to dialogue, sight is repaired；Now,
Dialogue editor group will again arrange dialogue material according to video fine pruning information, and dialogue editor group is with engineering after the completion of waiting to arrange
Information pushing is given surround sound Zhong Hun groups by file mode；At the same time, see effect premix also synchronously carry out, treat its complete also with
Project file mode is pushed to surround sound Zhong Hun groups；So far, surround sound Zhong Hun groups have obtained whole audio mixing elements
Material, carries out final dubbing work；After the completion of surround sound is mixed eventually, 6 wav files of single track of final output, respectively L channel,
R channel, center channels, bass, it is left back surround behind, the right side, with 6 wav files of single track on final timeline and
Monophonic or it is stereo on original point of rail audio substitute together, 6 sound channels of surround sound are led to finally by Doby encoder
Cross coding output to broadcast medium.
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Cited By (2)
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| CN108337405A (en) * | 2018-02-05 | 2018-07-27 | 上海灿星文化传媒股份有限公司 | A kind of post-production processes of Novel outdoor reality TV show |
| CN113055809A (en) * | 2021-03-12 | 2021-06-29 | 腾讯音乐娱乐科技（深圳）有限公司 | 5.1 sound channel signal generation method, equipment and medium |
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| CN105376590A (en) * | 2015-11-19 | 2016-03-02 | 浙江广播电视集团 | Multi-thread whole process collaborative high-definition post production system and method thereof oriented to all media |
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| CN108337405A (en) * | 2018-02-05 | 2018-07-27 | 上海灿星文化传媒股份有限公司 | A kind of post-production processes of Novel outdoor reality TV show |
| CN113055809A (en) * | 2021-03-12 | 2021-06-29 | 腾讯音乐娱乐科技（深圳）有限公司 | 5.1 sound channel signal generation method, equipment and medium |
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Application publication date: 20170531 |