CN1393847A - Control method and equipment for locating reverberation - Google Patents
Control method and equipment for locating reverberation Download PDFInfo
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- CN1393847A CN1393847A CN 01129674 CN01129674A CN1393847A CN 1393847 A CN1393847 A CN 1393847A CN 01129674 CN01129674 CN 01129674 CN 01129674 A CN01129674 A CN 01129674A CN 1393847 A CN1393847 A CN 1393847A
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Abstract
The system structure of the method and the device for controlling the position of mixed sound includes one or more input sound channel controllers, one or more output sound channel controllers and one more main controller for presetting the transformation. The input sound channel controller includes the input level controller, the controller for combining the input and output as well as the selector for selecting main control loops. The main controller includes the push bottom of transformation control and the transformation selector. The method set the sound outupt based on the visual point and moving point, making the location of the sound be placed at reasonable position. When the viewpoint of the image being changed or the sounder being moved, the focus point or the position of the sound also changed.
Description
The present invention relates to the control method and the device of a kind of audio mixing location, particularly about a kind of a kind of audio mixing position control method and device that can cooperate the multichannel output of 5.1 sound channels output such as film, TV, stage drama or special form.
General in the movie or television play audio or to dub in background music be that the backstage reconfigures mostly; just can represent its audio sensation stereo or multichannel; if but the performance of live show or stage drama; common sound effect control behind the scenes and the audio that the scene should can't be presented are presented in face of the spectators fully; the situation that spectators correctly do not hear or the positional fault of sound usually can take place; even if the many microphones of on-the-spot use still are difficult to all appropriate presenting of on-the-spot audio; most important reason is that present audio mixing control device does not have such thinking; must lean on the sound effect control personnel manually to control the audio mixing locating device when participating in the cintest; because of the control personnel can only control an audio mixing navigation button on the other hand; so this device sound mixing once can only be controlled the positioning control in maximum two microphone loops, and be gradual control.
Program with on-the-spot Live is an example, sound effect control personnel behind the scenes usually need inform that video camera will clap certain feature now by the instructor in broadcasting, sound effect control personnel just strengthen relevant microphone volume, when if video camera is clapped another musical instrument, then the microphone volume of this musical instrument is strengthened, so sound effect control must follow video camera to move, but situation sometimes encounters difficulties, when video camera photographed, device sound mixing also can't cooperate adjustment in finite time, cause the situation that does not cooperate picture.
Present mixing controls possesses multi-way switch or potentiometer, but can only output to monophony, two sound channels or multiple two sound channels, with the five-sound channel is example, can only control L channel or R channel, middle sound channel and a left side around or right around output, can not five sound channels all export, its control is to use balanced control to decide right and left combined amount.In addition, also there is mixing controls to use rocking bar to control voice output, but the synchronous voice output of control and decision multichannel, obscuring in logic still arranged.When facing multichannel independence output format, it is very complicated and difficult that audio mixing control becomes, and it is all right to define certain audio mixing mode separately, if the synchronous variation that must do when importing many output then may more.Also to have at present use a computer controls audio mixing, and its operation is very not direct, is fit to do the usefulness of the making of audio behind the scenes usually.Can only use action of mouse single job because of computer software, we can say to be used for on-the-spot program.
The present invention is the above-mentioned shortcoming that satisfies actual demand and solve prior art, develop the control method and the device of a kind of audio mixing location, can preestablish many group inputs reference mark, can make sound follow video camera to move, cooperate the audio mixing positioning control of many outputs can allow on-the-spot complicated audio output realize the purpose of audio-visual synchro control.
Fundamental purpose of the present invention provides the control method and the device of a kind of audio mixing location, can either on-the-spotly realize the audio mixing output of film, TV 5.1 sound channels, also can realize the multichannel output of stage drama multichannel or special form.
Another object of the present invention provides the control method and the device of a kind of audio mixing location, can the matching camera viewpoint, and the location of sound equipment also can be changed along with the viewpoint of video camera, thereby realize audio-visual synchronous viewpoint.
Another object of the present invention provides the control method and the device of a kind of audio mixing location, and the audio mixing that multiple different sound input can be considered as between the multiple different sound equipment location changes control output.
Another purpose of the present invention provides the control method and the device of a kind of audio mixing location, can set multiple audio mixing control output with the viewpoint of movable body and change, and realizes with motion output control a certain or that some is independent.
A further object of the present invention provides the control method and the device of a kind of audio mixing location, and main control part can possess a plurality of audio mixing register controls, can set control sound inputs such as master control viewpoint or movable body respectively for.
For achieving the above object, the control device according to audio mixing of the present invention location is provided with: input sound channel controller, output channels controller that output combined controller and main control loop selector switch is made of incoming level controller, input and the default conversion primary controller that is made of conversion control push button and conversion selector switch.According to audio mixing position control method of the present invention, set the pattern of voice output with visual point, matching camera is positioned over rational position with each localization of sound; Set the pattern that sound import is controlled with the viewpoint of motion, with the input sound channel of each self-movement, starting point, process point, the point of distance that enters set each preset group of these sound channels in the primary controller loop of selecting the end to use again.
Owing to be configured as above-mentioned formation according to audio mixing position control method of the present invention and device, so can preestablish many group inputs reference mark, can move by enable voice follow shot machine, cooperate the audio mixing positioning control of many outputs, can make on-the-spot complicated audio output realize the purpose of audio-visual synchro control.
Other purpose of the present invention and function will be further described by following embodiment and accompanying drawing.
Fig. 1 and Fig. 2 are the system architecture diagrams according to audio mixing position control device of the present invention;
Fig. 3 is according to the control input of default conversion primary controller of the present invention and output unitized construction block diagram.
With reference to Fig. 1 and Fig. 2, the system architecture of the control device of audio mixing of the present invention location comprises: input sound channel controller 10, output channels controller 20 and default conversion primary controller 30.And this input sound channel controller 10 comprises: the incoming level controller 11 of the signal magnitude of control input sound channel is identical with general mixing controls function; Input is to output combined controller 12, can set the place mix of input sound channel respectively to output channels, each input sound channel at least can corresponding more than one output channels: main control loop selector switch 13, can select a certain input to output combined controller 12, to accept some default conversion primary controller 30 controls, also can set separating action, promptly set certain input, and not be subjected to the control of default conversion primary controller 30 the 12 independent runnings of output combined controller.
Output channels controller 20 can be according to input to the combination of the input sound channel that sets of output combined controller 12 to output channels, control the array output of the sound channel of output, and every group output loop number is identical to the combination respective amount that output combined controller 12 sets with input; Output channels controller 20 also can directly be exported the output channels of each group in addition, perhaps through exporting behind the secondary audio mixing.
With reference to Fig. 3, be control input and output unitized construction block diagram according to default conversion primary controller of the present invention.The default conversion primary controller 30 of the present invention comprises: conversion control push button 31, control sets conversion between combination to selecteed input sound channel, set finish after, promptly operate the input sound channel of multiple combination to the output channels loop by this conversion control push button 31; Conversion selector switch 32 is used for the selection array mode of conversion main control loop selector switch 13.
The general the most frequently used form of output loop is 5.1 sound channels, in addition, require the form of establishing, also have 7.1 sound channels to reach even more export pattern for cooperating more special performance, for example stage drama can cooperate all input sound channels respectively required sounding point to be combined into the pattern of many outputs.The control device of audio mixing of the present invention location can be set the output of sound by visual point, matching camera is positioned over rational position with each localization of sound, when the viewpoint of image changes, the viewpoint of sound also changes thereupon, and the setting of sound localization needs the matching camera shooting point to design, and matching camera possesses identical setting demand is arranged.
For instance: the input point that in the film studio, is provided with each musical instrument part of philharmonic society: five sound input points such as violin, viola, violoncello, flute, oboe, all sound input points all are set at same primary controller loop to be selected, to set each respectively over against the viewpoint of stage again, to import due location default as first group, violin feature viewpoint set respectively each import due location be made as second group default, violoncello feature, flute feature, oboe feature point are made as third and fourth group input respectively and preset.Like this, when the image viewpoint of video camera moves on to a certain viewpoint, promptly allow the combination of default sound import location open, then the sound of this viewpoint cooperates picture fully, and can sound not take place as prior art and picture is located ill-matched phenomenon.
If use when having only the occasion of two groups of preset group, then only needs constantly to change first preset group in use and second preset group cooperates each image viewpoint to come radio reception to get final product respectively; If use when four preset group being arranged but will cooperate the occasion of six kinds of viewpoints, then can select wherein one group to be used as set of variations, other three groups then can cooperate three kinds of the most frequently used viewpoints, and set of variations then cooperates three kinds of remaining viewpoints to get final product.Therefore, the present invention can set different variation combinations at any time on demand, reaches the sound of controlling the image variation immediately and takes in.
In addition, the present invention also can set the sound control of input by the viewpoint of motion, modal motion viewpoint sound is the aircraft that flies on the head, the vehicle that whirls away or the like, the present invention can be with the input sound channel of each self-movement, the primary controller loop of selecting the end to use, for example second and third, four ... or the like.Again each preset group of these sound channels is set starting point, process point, the point of distance that enters ... Deng.If there is sound effect to handle, then can send into another or several sound channel, set each preset group respectively, use same main control loop, then can reach the purpose of synchronous variation.Can set built-in effect if use senior sound effect to handle machine, such as Doppler effect, can be with the frequency of sound according to speed to high frequency offset, set through point, to the low frequency skew, then can realize having more relief audio then.
Below preferred embodiment of the present invention is described; those of ordinary skill in the field should be able to make other all improvement according to above-mentioned explanation, but these change and still to belong among invention spirit of the present invention and the protection domain that claims defined.
Claims (12)
1. audio mixing position control device is provided with:
One input sound channel controller, it comprises: an incoming level controller, an input are to an output combined controller and a main control loop selector switch;
One output channels controller;
One default conversion primary controller, it comprises: a conversion control push button and a conversion selector switch.
2. as the audio mixing position control device of claim 1 record, it is characterized in that described incoming level controller is used for controlling the signal magnitude of input sound channel.
3. as the audio mixing position control device of claim 1 record, it is characterized in that described input can set the place mix of input sound channel to output channels respectively to the output combined controller, each input sound channel at least can corresponding more than one output channels.
4. as the audio mixing position control device of claim 1 record, it is characterized in that described main control loop selector switch can select a certain input that the output combined controller is accepted some default conversion primary controllers and control.
5. as the audio mixing position control device of claim 4 record, it is characterized in that described main control loop selector switch can set separating action, set certain input the output combined controller independently is operated, and be not subjected to preset the control of conversion primary controller.
6. as the audio mixing position control device of claim 1 record, it is characterized in that described output channels controller can be according to input to the combination of the input sound channel that sets of output combined controller to output channels, control the array output of the sound channel of output, and every group output loop number is identical to the combination respective amount that the output combined controller sets with input.
7. as the audio mixing position control device of claim 1 record, it is characterized in that described output channels controller can directly export the output channels of each group, perhaps through exporting behind the secondary audio mixing.
8. as the audio mixing position control device of claim 1 record, it is characterized in that the control of described conversion control push button sets conversion between combination to selecteed input sound channel, set and promptly operate the input sound channel of multiple combination to the output channels loop after finishing by this conversion control push button.
9. as the audio mixing position control device of claim 1 record, it is characterized in that described conversion selector switch is used for the selection array mode of conversion main control loop selector switch.
10. an audio mixing position control method can cooperate all input sound channels respectively required sounding point to be combined into the pattern of many output channels, comprises the steps:
Set the pattern of voice output with visual point, matching camera is positioned over rational position with each localization of sound, when visual point changes, the viewpoint of sound also changes thereupon, and the setting of sound localization needs the matching camera shooting point to design, and it answers matching camera to possess identical setting demand;
Set the pattern that sound import is controlled with the viewpoint of motion, with the input sound channel of each self-movement, starting point, process point, the point of distance that enters set each preset group of these sound channels in the primary controller loop of selecting the end to use again.
11. audio mixing position control method as claim 10 record, it is characterized in that the described pattern of setting voice output with visual point can send into input sound channel sound effect and handle, then one or several sound channels can be set each preset group respectively, and use same main control loop, to reach synchronous variation.
12. audio mixing position control method as claim 10 record, it is characterized in that the described pattern of setting sound import control with the viewpoint of moving, input sound channel can be used the sound effect of built-in effect Doppler effect to handle machine, with the frequency of sound according to movement velocity to high frequency offset, set through point, then to the low frequency skew, to realize having more relief audio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01129674 CN1393847A (en) | 2001-06-27 | 2001-06-27 | Control method and equipment for locating reverberation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01129674 CN1393847A (en) | 2001-06-27 | 2001-06-27 | Control method and equipment for locating reverberation |
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| CN1393847A true CN1393847A (en) | 2003-01-29 |
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| CN 01129674 Pending CN1393847A (en) | 2001-06-27 | 2001-06-27 | Control method and equipment for locating reverberation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1728892B (en) * | 2004-05-28 | 2010-05-05 | 索尼株式会社 | Sound-field correcting apparatus and method therefor |
| CN102270456A (en) * | 2010-06-07 | 2011-12-07 | 华为终端有限公司 | Method and device for audio signal mixing processing |
-
2001
- 2001-06-27 CN CN 01129674 patent/CN1393847A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1728892B (en) * | 2004-05-28 | 2010-05-05 | 索尼株式会社 | Sound-field correcting apparatus and method therefor |
| CN102270456A (en) * | 2010-06-07 | 2011-12-07 | 华为终端有限公司 | Method and device for audio signal mixing processing |
| CN102270456B (en) * | 2010-06-07 | 2012-11-21 | 华为终端有限公司 | Method and device for audio signal mixing processing |
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