CN102984477B

CN102984477B - Processing method and device for video and audio information and television

Info

Publication number: CN102984477B
Application number: CN201210558779.XA
Authority: CN
Inventors: 黄明虎
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-12-20
Filing date: 2012-12-20
Publication date: 2015-07-08
Anticipated expiration: 2032-12-20
Also published as: CN102984477A

Abstract

The invention relates to a processing method and device for video and audio information, and a television. The method comprises the steps that a target object at the current time is detected, and a current position value of the target object at the current time is obtained; weighing is conducted on the current position value, and a current weighing position value of the target object is obtained; the current weighing position value is compared with a reference value, and the reference value comprises a maximum position value, minimum position value and a reference position value; when the current weighing position value is located between the maximum position value and the minimum position value, a corresponding regulatory factor of a video and audio parameter is obtained according to the current weighing position value and the reference position value; and regulatory processing is conducted on the video and audio information according to the regulatory factor of the video and audio parameter. According to the processing method, device and television, automatic processing for the video and audio information of the television is achieved; and the processing complexity of the video and audio information of the television is reduced.

Description

The processing method of audiovisual information, device and television set

Technical field

The present invention relates to TV technology, particularly relate to a kind of processing method of audiovisual information, device and television set.

Background technology

Along with the fast development of TV tech, the adjustable item of television video, audio frequency also gets more and more.While developing rapidly, also there is the drawback in some application in television set.Such as, the menu item of the adjustment menu of television video and audio frequency is very many, user needs to use these menu items to carry out the adjustment of TV video and audio effect, and general user does not understand the function that these menus are corresponding, in adjustment process, often can not get the video and audio effect wanted.

Under prior art, regulate the method for the video and audio of TV to be generally and open video and audio adjustment window, by corresponding menu item, the image display of TV or volume are arranged.The menu item that the audio frequency of current use regulates has L channel, R channel, balance, volume etc.; The menu item of image adjustment has image brightness, picture contrast, color saturation etc., and this shows, the video and audio control method under prior art makes the process more complicated of TV audiovisual information, reduces the experience effect of user.

Summary of the invention

Embodiments provide a kind of processing method of audiovisual information, device and television set, can realize automatically processing the audiovisual information of television set, reduce the process complexity of the audiovisual information of television set.

First aspect, embodiments provides a kind of processing method of audiovisual information, and described method comprises:

The destination object of current time is detected, obtains the present position values of described destination object at current time;

Process is weighted to described present position values, obtains the current weighting positional value of described destination object;

Described current weighting positional value and reference value are contrasted, described reference value comprises maximum position value, minimum position value and reference position value;

When described current weighting positional value is between described maximum position value and described minimum position value, according to described current weighting positional value and described reference position value, obtain the regulatory factor of corresponding video and audio parameter;

According to the regulatory factor of described video and audio parameter, adjustment process is carried out to audiovisual information.

In the implementation that the first is possible, also comprise after the regulatory factor of the video and audio parameter that described acquisition is corresponding: described current weighting positional value is stored as the described reference position value needing comparison.

In conjunction with first aspect, in the implementation that the second is possible, the described regulatory factor obtaining corresponding video and audio parameter comprises: the regulatory factor function utilizing the video and audio parameter corresponding to described weighting current location, calculates the regulatory factor of video and audio parameter.

In conjunction with first aspect, in the implementation that the third is possible, the described regulatory factor according to described video and audio parameter, carries out regulating process to comprise to audiovisual information: the regulated quantity regulatory factor of described video and audio parameter being converted to described video and audio parameter; According to the regulated quantity of described video and audio parameter, adjustment process is carried out to audiovisual information.

In conjunction with first aspect, in the 4th kind of possible implementation, described described current weighting positional value and reference value are contrasted after also comprise: when described current weighting positional value is not more than described minimum position value, if the described destination object that described reference value characterizes is in extremely near state, and the writing time of described reference value is not empty, then calculate the duration of described extremely near state; The duration of described extremely near state, when exceeding default time threshold, shows the information of dormancy or closedown.

In conjunction with the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation, described described current weighting positional value and reference value are contrasted after also comprise: when described current weighting positional value is not more than described minimum position value, if the described destination object that described reference value characterizes is not in extremely near state, and the record moment of described reference value is empty, then described current time is stored as the record moment of described reference value.

In conjunction with first aspect, in the 6th kind of possible implementation, described described current weighting positional value and reference value are contrasted after also comprise: when described current weighting positional value is not less than described maximum position value, if the described destination object that described reference value characterizes is in state extremely far away, and the writing time of described reference value is not empty, then calculate the duration of described state extremely far away; The duration of described state extremely far away, when exceeding default time threshold, shows the information of dormancy or closedown.

In conjunction with the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation, described described current weighting positional value and reference value are contrasted after also comprise: when described in described current weighting positional value during maximum position value, if the described destination object that described reference value characterizes is not in state extremely far away, and the record moment of described reference value is empty, then described current time is stored as the record moment of described reference value.

In conjunction with first aspect the first, the second, the third, the 4th kind, the 5th kind, the 6th kind, the 7th kind possible implementation, in the 8th kind of possible implementation, described video and audio parameter comprise in luminance parameter, contrast level parameter, color saturation parameter, volume parameters one or more.

Second aspect, embodiments provides a kind of processing unit of audiovisual information, and described device comprises:

Acquiring unit, for detecting the destination object of current time, obtains the present position values of described destination object at current time;

Processing unit, for being weighted process to described present position values, obtains the current weighting positional value of described destination object;

Contrast unit, for described current weighting positional value and reference value being contrasted, described reference value comprises maximum position value, minimum position value and reference position value;

First computing unit, for when described current weighting positional value is between described maximum position value and described minimum position value, according to described current weighting positional value and described reference position value, obtains the regulatory factor of corresponding video and audio parameter;

Regulon, for the regulatory factor according to described video and audio parameter, carries out adjustment process to audiovisual information.

In the implementation that the first is possible, described device also comprises: the first memory cell, for described current weighting positional value being stored as the described reference position value needing comparison.

In conjunction with second aspect, in the implementation that the second is possible, described first computing unit specifically for: the regulatory factor function utilizing the video and audio parameter corresponding to described weighting current location, calculates the regulatory factor of video and audio parameter.

In conjunction with second aspect, in the implementation that the third is possible, described regulon is specifically for the regulated quantity regulatory factor of described video and audio parameter being converted to described video and audio parameter; According to the regulated quantity of described video and audio parameter, adjustment process is carried out to audiovisual information.

In conjunction with second aspect, in the 4th kind of possible implementation, described device also comprises: the second computing unit, for when described current weighting positional value is not more than described minimum position value, if the described destination object that described reference value characterizes is in extremely near state, and the writing time of described reference value is not empty, then calculate the duration of described extremely near state; Closing unit, when the duration for described extremely near state exceedes default time threshold, the information of display dormancy or closedown.

In conjunction with the 4th kind of possible implementation of second aspect, in the 5th kind of possible implementation, described device also comprises: the second memory cell, for when described current weighting positional value is not more than described minimum position value, if the described destination object that described reference value characterizes is not in extremely near state, and the record moment of described reference value is empty, then described current time is stored as the record moment of described reference value.

In conjunction with the 5th kind of possible implementation of second aspect, in the 6th kind of possible implementation, described second computing unit also for, when described current weighting positional value is not less than described maximum position value, if the described destination object that described reference value characterizes is in state extremely far away, and the writing time of described reference value is not empty, then calculate the duration of described state extremely far away; Described closing unit also for, when the duration of described state extremely far away exceedes default time threshold, the information of display dormancy or closedown.

In conjunction with the 6th kind of possible implementation of second aspect, in the 7th kind of possible implementation, described second memory cell also for, when described in described current weighting positional value during maximum position value, if the described destination object that described reference value characterizes is not in state extremely far away, and the record moment of described reference value is empty, then described current time is stored as the record moment of described reference value.

In conjunction with second aspect the first, the second, the third, the 4th kind, the 5th kind, the 6th kind, the 7th kind possible implementation, in the 8th kind of possible implementation, described video and audio parameter comprise in luminance parameter, contrast level parameter, color saturation parameter, volume parameters one or more.

The third aspect, embodiments provides a kind of television set, and described television set comprises the processing unit of above-mentioned audiovisual information.

The processing method of the audiovisual information that the embodiment of the present invention provides, device and television set, by detecting the destination object of current time, obtain the present position values of described destination object at current time; Process is weighted to described present position values, obtains the current weighting positional value of described destination object; Described current weighting positional value and reference value are contrasted, described reference value comprises maximum position value, minimum position value and reference position value; When described current weighting positional value is between described maximum position value and described minimum position value, according to described current weighting positional value and described reference position value, obtain the regulatory factor of corresponding video and audio parameter; According to the regulatory factor of described video and audio parameter, adjustment process is carried out to audiovisual information.Thus achieve and the video and audio of television set is adjusted automatically, reduce the process complexity of the audiovisual information of television set.

Accompanying drawing explanation

The process flow figure of a kind of audiovisual information that Fig. 1 provides for the embodiment of the present invention;

The process flow figure of the another audiovisual information that Fig. 2 provides for the embodiment of the present invention;

The processing unit schematic diagram of a kind of audiovisual information that Fig. 3 provides for the embodiment of the present invention;

A kind of television set schematic diagram that Fig. 4 provides for the embodiment of the present invention.

Embodiment

For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

The processing method of the audiovisual information that the embodiment of the present invention provides, device and television set are when practical application, and the processing method as a kind of new audiovisual information can be applicable to the process scene of television set audiovisual information.It is multiple that user regulates the method for the audiovisual information of television set to have, and such as, by carrying out the adjustment of sound or image effect by the button on television set, or comes the sound of remote control adjustment television set or the effect etc. of image by remote controller.Embodiments provide a kind of processing method of new audiovisual information, namely television set regulates the audiovisual information of television set automatically by the change in location detecting people in object space.

The embodiment of the present invention, for the defect of prior art, provides a kind of processing method of audiovisual information, device and television set.The destination object of television set to current time detects, and obtains the present position values of described destination object at current time; Process is weighted to described present position values, obtains the current weighting positional value of described destination object; Described current weighting positional value and reference value are contrasted, described reference value comprises maximum position value, minimum position value and reference position value; When described current weighting positional value is between described maximum position value and described minimum position value, according to described current weighting positional value and described reference position value, obtain the regulatory factor of corresponding video and audio parameter; According to the regulatory factor of described video and audio parameter, adjustment process is carried out to audiovisual information.Thus achieve and the video and audio of television set is adjusted automatically, reduce the process complexity of the audiovisual information of television set.

The process flow figure of a kind of audiovisual information that Fig. 1 provides for the embodiment of the present invention.The executive agent of the present embodiment is television set, which describes television set and automatically regulates the method flow of the audiovisual information of television set by the positional value of the destination object of current time and with the comparing result of reference value.As shown in Figure 1, the present embodiment comprises the following steps:

Step 101, the destination object of television set to current time detects, and obtains the present position values of described destination object at current time.

Built-in human body detection sensor and distance measurement sensor in television set, the infrared ray that human body detection sensor is sent by human body, can detect in current time to there is people, the i.e. region of destination object, distance measurement sensor then can measure the positional value of this destination object distance television set.

Certainly, in a space of specifying, one or more destination object may be there is, all destination objects in the space that the infrared ray that human body detection sensor can be sent by human body and detecting is specified, wherein, the space of specifying can be the space of the sector region taking television set as the center of circle.

Step 102, television set is weighted process to described present position values, obtains the current weighting positional value of described destination object.

Television set gets all destination objects after the positional value of current time, and weighted formula can be used to be weighted process to all destination objects at the positional value of current time, thus obtains the current weighting positional value d of described destination object.

Step 103, described current weighting positional value and reference value contrast by television set, and described reference value comprises maximum position value, minimum position value and reference position value.

In embodiments of the present invention, described reference position value can for the reference point pre-set, or the weighting positional value obtained in the adjustment of certain video and audio of history, the reference position value that the weighting positional value obtained during last video and audio such as can be used to reconcile uses in regulating as this video and audio.Current weighting positional value and reference position value are contrasted, can adjust video and audio according to the magnitude relationship of the weighting positional value of current time and reference position value.

In embodiments of the present invention, reference value comprises: maximum position value d_max, minimum position value d_min and reference position value d_last.Wherein, maximum position value is a default maximum position reference value, and minimum position value is a default minimum position reference value, and reference position value is the positional value of the last destination object detected.

In addition, reference value can also comprise: (whether the destination object that reference value characterizes is in extremely near state to d_near, this value can value 0 or 1, represent that destination object is in extremely near state and is not in extremely near state respectively), (whether the destination object that reference value characterizes is in state extremely far away to d_far, this value can value 0 or 1, represent that destination object is in state extremely far away and is not in state extremely far away respectively), d_lastTime (the setting moment of reference value), duration (duration of current state), maximum position value d_max and minimum position value d_min, and (whether being in dormancy prompting state), prompt_info_index (dormancy information index, content on television screen to be presented at for carrying out index according to the value of i s_sleep_prompt, if the value of is_sleep_prompt is 1, then represent and television set will be set to resting state, the information that now will be able to show according to this prompt_info_index parameter reference).

Wherein, if destination object is in extremely near state, then arranging d_near is True, otherwise is set to false; If destination object is in state extremely far away, then arranging d_far is True, otherwise is set to false; If when measuring last, destination object is in extremely near state or state extremely far away, then arrange the moment that d_lastTime is last measurement target object, otherwise d_lastTime is set to sky; The value of duration is the difference last duration of recording adding the moment of current time and last measurement target object, i.e. duration+=(current time-d_lastTime).

Step 104, when described current weighting positional value is between described maximum position value and described minimum position value, television set, according to described current weighting positional value and described reference position value, obtains the regulatory factor of corresponding video and audio parameter.

Through the contrast operation of step 103, the comparing result obtained may for the one below in 4 kinds: d_min < d < d_last < d_max, d_min < d_last < d < d_max, d <=d_min, d >=d_max.

The regulatory factor obtaining video and audio parameter corresponding to current weighting positional value comprises: the regulatory factor function utilizing the video and audio parameter corresponding to described weighting current location, calculates the regulatory factor of video and audio parameter.

As d_min < d < d_last < d_max or d_min < d_last < d < d_max, the regulatory factor function of the video and audio parameter built in advance can be utilized, calculate the regulatory factor of each video and audio parameter, form video and audio parameter and regulate matrix.Wherein, regulatory factor function can be the function of the difference of current weighting positional value and reference position value.

Particularly, as d_min < d < d_last < d_max, the difference DELTA d=d-d_last of current weighting positional value and reference position value can first be calculated.According to the regulatory factor function luma_step=fun_luma (Δ d) of luminance parameter, the regulatory factor luma_step of luminance parameter can be obtained; According to the regulatory factor function contrast_step=fun_contrast (Δ d) of contrast level parameter, the regulatory factor contrast_step of contrast level parameter can be obtained; According to the regulatory factor function saturation_step=fun_saturation (Δ d) of color saturation parameter, the regulatory factor saturation_step of color saturation can be obtained; According to the regulatory factor function volume_step=fun_volume (Δ d) of volume parameters, the regulatory factor volume_step of volume can be obtained.In addition, is_sleep_prompt is set to false, prompt_info_index is set to sky.

Particularly, as d_min < d_last < d < d_max, the difference DELTA d=d-d_last of current weighting positional value and reference position value can first be calculated.According to the regulatory factor function luma_step=fun_luma (Δ d) of luminance parameter, the regulatory factor luma_step of luminance parameter can be obtained; According to the regulatory factor function contrast_step=fun_contrast (Δ d) of contrast level parameter, the regulatory factor contrast_step of contrast level parameter can be obtained; According to the regulatory factor function saturation_step=fun_saturation (Δ d) of color saturation parameter, the regulatory factor of color saturation can be obtained; According to the regulatory factor function volume_step=fun_volume (Δ d) of volume parameters, the regulatory factor volume_step of volume can be obtained.In addition, is_sleep_prompt is set to false, prompt_info_index is set to sky.

As d <=d_min, can by judging whether the reference value of last record is in extremely near state, namely whether d_last is not more than minimum position value d_min, if the described destination object that the reference value of last record characterizes is in extremely near state, then upgrade duration duration, and judge whether the duration after upgrading is greater than default time threshold, if be greater than, then shows the information of dormancy or closedown.If the d <=d_min of current time, but the reference value of last record is not in extremely near state, then current time is saved as d_lastTime.

As d >=d_max, can judge whether the destination object that the reference value of last record characterizes is in state extremely far away, namely whether d_last is not less than maximum position value d_max, if the described destination object that the reference value of last record characterizes is in state extremely far away, then upgrade duration duration, and judge whether the duration after upgrading is greater than default time threshold, if be greater than, then shows the information of dormancy or closedown.If the d >=d_max of current time, but the destination object that the reference value of last record characterizes is not in state extremely far away, then current time is saved as d_lastTime.

Wherein, video and audio parameter regulates matrix to comprise the regulatory factor of video and audio parameter and the information of dormancy or closedown, and complete adjustment matrix is as follows: T={luma_step, contrast_step, volume_step, is_sleep_prompt, prompt_info_index}; Certainly, along with the progress of technology, the parameter of audio frequency, video likely can be upgraded, but total processing procedure is the same.

The technical characterstic of eigen is the difference by current weighting positional value and reference position value, obtains the amplitude of accommodation for brightness, colourity and volume.The difference of described present position values and reference position value be in fact exactly characterize spectators in other words destination object position relative to previous identification " variable quantity " or the value of this variable quantity can be characterized, and then can to regulate brightness, colourity, volume according to this variable quantity or the value characterizing this variable quantity.In embodiments of the present invention, obtain this variable quantity obtain the value that can characterize this variable quantity in other words by simply doing poor method to weighting positional value and reference position value, but, in actual applications, other one dimension or two-dimentional computing function can be adopted completely, be worth for the gain of parameter regulatory factor corresponding with the two with described current weighting positional value and reference position.In addition, in an alternative embodiment,

In embodiments of the present invention, obtain logical relation between present position values and reference position value by doing poor method, in actual applications, also can carry out according to other algorithmic formula the amplitude of accommodation then calculating brightness, colourity and volume according to the regulatory factor function preset.

Step 105, television set, according to the regulatory factor of described video and audio parameter, carries out adjustment process to audiovisual information.

According to the regulatory factor of described video and audio parameter, carry out regulating process to comprise to audiovisual information: the regulated quantity regulatory factor of described video and audio parameter being converted to described video and audio parameter; According to the regulated quantity of described video and audio parameter, adjustment process is carried out to audiovisual information.

Obtained the regulatory factor of video and audio parameter by step 104 after, control device of the tv is changed regulatory factor, be converted to the regulated quantity of the operable video and audio parameter of television set, and according to the regulated quantity of video and audio parameter, the audiovisual information of TV is done to the adjustment process of intelligence, as VOLUME UP, increase brightness, enter dormancy prompting etc.

It should be noted that, if is_sleep_prompt is true, then television set needs to carry out dormancy prompting, and carries out countdown; Prompt_info_index is the information index of the dormancy prompting needing display, such as: when hypotelorism, negative unhealthy, suggestion dormancy or closedown, and when hypertelorism, cannot normally watch, suggestion dormancy or closedown.Certainly, the embodiment of the present invention can customize and turn to more information index option, does not limit information index option.If if is_sleep_prompt is false, and current be in dormancy prompting state, then cancel dormancy prompting, close information.

It should be noted that; video and audio parameter in the present embodiment can be one or more in luminance parameter, picture contrast parameter, color saturation parameter, volume parameters; also can be other the parameter that can regulate image display effect and sound effect; just be illustrated with luminance parameter, contrast level parameter, color saturation parameter, volume parameters in the present embodiment, be not used in and limit the scope of the invention.

Thus, the present embodiment is according to the variable quantity of the position of destination object, calculate the regulatory factor of the video and audio parameter of television set, and carry out the automatic adjustment of audiovisual information according to the regulatory factor of this video and audio parameter, reduce the process complexity of the audiovisual information of television set.

Above-described embodiment simply describes television set and automatically regulates the method flow of the video and audio of television set by the positional value of current target object and with the comparing result of reference value, and following embodiment describes the method flow that television set regulates the video and audio of television set automatically in detail.

The process flow figure of the another audiovisual information that Fig. 2 provides for the embodiment of the present invention.The executive agent of the present embodiment is television set, which describes in detail that television set regulates the method flow of the video and audio of television set automatically by the positional value of current target object and with the comparing result of reference value.As shown in Figure 2, the present embodiment comprises the following steps:

Step 201, the destination object of television set to current time detects, and obtains the present position values of described destination object at current time.

Built-in human body detection sensor and distance measurement sensor in television set, the infrared ray of 10 μm that human body detection sensor is sent by human body, can detect in current time to there is people, the i.e. region of destination object, distance measurement sensor then can measure the positional value of the relative television set of this destination object.Here human body detection sensor can be burnt electric type MP motion sensor NaPiOn, and burnt electric type MP motion sensor NaPiOn is a kind of infrared human body detecting sensor minimum at present, and the infrared ray of 10 μm that can be sent by human body carrys out human body.Of course, other also can be used in the present embodiment the transducer of human body can be detected, and the present invention does not limit this.Distance measurement sensor can be BannerQT50U extra long distance ultrasonic displacement sensor, and Banner QT50U extra long distance ultrasonic displacement sensor very accurately can measure the distance of human body distance TV, i.e. the positional value of destination object.

The acquisition destination object of human body sensor, and the concrete grammar of the positional value of destination object is: arrange N number of pickup area in the space of the sector region that will detect, detect the i-th (i=1 successively, 2, ..., N) whether there is destination object si.has_human in individual pickup area, if so, then measure the distance si.distance of this destination object, obtain corresponding i-th (i=1,2 ..., N) the semaphore si (has_human of individual pickup area, distance), form semaphore sequence S={s1, s2 ... sN}.

Step 202, television set is weighted process to described present position values, obtains the current weighting positional value of described destination object.

To obtained semaphore sequence S={s1, s2 ... sN} uses weighted formula to be weighted process, obtains current weighting positional value.

Step 203, described current weighting positional value and reference value contrast by television set, and described reference value comprises maximum position value, minimum position value and reference position value.

In embodiments of the present invention, described reference position value can for the reference point pre-set, or the weighting positional value obtained in the adjustment of certain video and audio of history, the reference position value that the weighting positional value obtained during last video and audio such as can be used to reconcile uses in regulating as this video and audio.Current weighting positional value and reference position value are contrasted, the magnitude relationship of current weighting positional value and reference position value can be obtained.

In embodiments of the present invention, reference value comprises: maximum position value d_max, minimum position value d_min and reference position value d_last.Wherein, maximum position value is a default maximum position reference value, and minimum position value is a default minimum position reference value, and reference position value is the positional value of the last destination object detected.In addition, reference value can also comprise: (whether the destination object that reference value characterizes is in extremely near state to d_near, this value can value 0 or 1, represent that destination object is in extremely near state and is not in extremely near state respectively), (whether the destination object that reference value characterizes is in state extremely far away to d_far, this value can value 0 or 1, represent that destination object is in state extremely far away and is not in state extremely far away respectively), d_lastTime (the setting moment of reference value), duration (duration of current state), maximum position value d_max and minimum position value d_min, and (whether being in dormancy prompting state), prompt_info_index (dormancy information index, content on television screen to be presented at for carrying out index according to the value of is_sleep_prompt, if the value of is_sleep_prompt is 1, then represent and television set will be set to resting state, the information that now will be able to show according to this prompt_info_index parameter reference).Wherein, if destination object is in extremely near state, then arranging d_near is True, otherwise is set to false; If destination object is in state extremely far away, then arranging d_far is True, otherwise is set to false; If when measuring last, destination object is in extremely near state or state extremely far away, then arrange the moment that d_lastTime is last measurement target object, otherwise be set to sky; The value of duration is the difference last duration of recording adding the moment of current time and last measurement target object, i.e. duration+=(current time-d_lastTime).

Due to destination object distance TV too far or too near time, may be not suitable for watching TV programme, consider this situation, reference value can also comprise an a maximum position value d_max and minimum position value d_min, when described current weighting positional value and reference value are contrasted, also current weighting positional value and this maximum position value d_max and minimum position value d_min to be contrasted.

Step 204, when described current weighting positional value is between described maximum position value and described minimum position value, according to described current weighting positional value and reference position value, obtains the regulatory factor of video and audio parameter.

The regulatory factor obtaining described current weighting positional value video and audio parameter comprises: the regulatory factor function utilizing the video and audio parameter corresponding to described weighting current location, calculates the regulatory factor of video and audio parameter.

Particularly, as d_min < d < d_last < d_max, the difference DELTA d=d-d_last of current weighting positional value and reference position value can first be calculated.According to the regulatory factor function luma_step=fun_luma (Δ d) of luminance parameter, the regulatory factor luma_step of luminance parameter can be obtained; According to the regulatory factor function contrast_step=fun_contrast (Δ d) of contrast level parameter, the regulatory factor contrast_step of contrast level parameter can be obtained; According to the regulatory factor function saturation_step=fun_saturation (Δ d) of color saturation parameter, the regulatory factor saturation_step of color saturation can be obtained; According to the regulatory factor function volume_step=fun_volume (Δ d) of volume parameters, the regulatory factor volume_step of volume can be obtained.

Particularly, as d_min < d_last < d < d_max, the difference DELTA d=d-d_last of current weighting positional value and reference position value can first be calculated.According to the regulatory factor function luma_step=fun_luma (Δ d) of luminance parameter, the regulatory factor luma_step of luminance parameter can be obtained; According to the regulatory factor function contrast_step=fun_contrast (Δ d) of contrast level parameter, the regulatory factor contrast_step of contrast level parameter can be obtained; According to the regulatory factor function saturation_step=fun_saturation (Δ d) of color saturation parameter, the regulatory factor of color saturation can be obtained; According to the regulatory factor function volume_step=fun_volume (Δ d) of volume parameters, the regulatory factor volume_step of volume can be obtained.

Step 205, according to the regulatory factor of described video and audio parameter, carries out adjustment process to audiovisual information.

As d <=d_min, can judge whether the reference value of last record is in extremely near state.

According to the value of the d_near in reference value, can judge whether the destination object that reference value characterizes is in extremely near state.If the value of d_near is true, then the destination object that description references value characterizes is in extremely near state, otherwise the destination object that description references value characterizes is not in extremely near state.

Step 206, when current weighting positional value is not more than described minimum position value, if the described destination object that reference value characterizes is in extremely near state, and the writing time of described reference value is not empty, then calculate the duration of described extremely near state; The duration of described extremely near state, when exceeding default time threshold, shows the information of dormancy or closedown.

If the described destination object that the reference value of last record characterizes is in extremely near state, then upgrade duration duration, and judge whether the duration after upgrading is greater than default time threshold, if be greater than, then shows the information of dormancy or closedown.Whether the information of display dormancy or closedown makes television set enter closedown or resting state to be determined by user oneself.Of course, the machine that directly switches off the TV also can be set here or make television set enter resting state.

Step 207, when current weighting positional value is not more than described minimum position value, if the destination object that described reference value characterizes is not in extremely near state, and the writing time of described reference value is empty, then described current time is stored as the record moment of described reference value.

If the destination object that the reference value of last record characterizes is not in extremely near state, then current time is saved as d_lastTime.So that as reference value next time.Also duration duration to be set to 0.

Step 208, when current weighting positional value is not less than described maximum position value, judges whether the destination object that reference value characterizes is in state extremely far away.

As d >=d_max, can judge whether the reference value of last record is in state extremely far away.

If the d_far in reference value is true, then judge that the described destination object that reference value characterizes is in state extremely far away, otherwise judge that the described destination object that reference value characterizes is not in state extremely far away.

Step 209, when current weighting positional value is not less than described maximum position value, if the described destination object that reference value characterizes is in state extremely far away, and the writing time of described reference value is not empty, then calculate the duration of described state extremely far away; The duration of described state extremely far away, when exceeding default time threshold, shows the information of dormancy or closedown.

As d >=d_max, can judge whether the reference value of last record is in state extremely far away, if the described destination object that the reference value of last record characterizes is in state extremely far away, then upgrade duration duration, and judge whether the duration after upgrading is greater than default time threshold, if be greater than, then show the information of dormancy or closedown.Whether the information of display dormancy or closedown makes television set enter closedown or resting state to be determined by user oneself.Of course, the machine that directly switches off the TV also can be set here or make television set enter resting state.

Step 210, when current weighting positional value is not less than described default maximum position value, if the destination object that described reference value characterizes is not in state extremely far away, and the record moment of described reference value is empty, then described current time is stored as the record moment of described reference value.

As d >=d_max, can judge whether the reference value of last record is in state extremely far away, if the reference value of last record is not in state extremely far away, then current time be saved as d_lastTime.So that as reference value next time.

Step 211, is stored as the described reference position value needing comparison by current weighting positional value.

According to the calculating of step 204 to step 210, after calculating the regulatory factor of video and audio parameter, current weighting positional value can be preserved as the reference position value d_last detected next time; If current weighting positional value is not more than minimum position value, then the value of d_near is saved as true, otherwise the value of d_near is saved as false; If current weighting positional value is not less than maximum position value, then d_far is saved as true, otherwise the value of d_far is saved as false; If current weighting positional value is less than or equal to minimum position value or is more than or equal to maximum position value, then current time is saved as d_lastTime, otherwise d_lastTime is saved as sky; If current weighting positional value is less than or equal to minimum position value or is more than or equal to maximum position value, then duration+ (current time-d_lastTime) is saved as duration.

Thus, just achieve the above-mentioned position data of current time is saved as the reference value detecting next time and regulate video and audio parameter.

Step 212, according to the regulatory factor of described video and audio parameter, carries out adjustment process to audiovisual information.

Obtained the regulatory factor of video and audio parameter by above-mentioned steps after, control device of the tv can use and regulatory factor is converted to the operable regulated quantity of control device of the tv, so that television set is according to this regulated quantity, the audiovisual information of television set is regulated accordingly, as increased volume, increase brightness, enter and close prompting etc.

Correspondingly, the embodiment of the present invention additionally provides a kind of processing unit of audiovisual information.The processing unit schematic diagram of a kind of audiovisual information that Fig. 3 provides for the embodiment of the present invention.As shown in Figure 3, the present embodiment comprises with lower unit:

Acquiring unit 301, for detecting the destination object of current time, obtains the present position values of described destination object at current time.

Built-in human body detection sensor in television set, is used for obtaining the destination object of current time; Also built-in distance measurement sensor in television set, is used for the positional value of the destination object measuring current time.Here destination object refers to people.

Processing unit 302, for being weighted process to described present position values, obtains the current weighting positional value of described destination object.

After getting destination object and positional value thereof, process can be weighted to the positional value of destination object, obtain current weighting positional value, in order to contrast with reference position value.

Contrast unit 303, for described current weighting positional value and reference value being contrasted, described reference value comprises maximum position value, minimum position value and reference position value.

In addition, reference value can also comprise: (whether the destination object that reference value characterizes is in extremely near state to d_near, this value can value 0 or 1, represent that destination object is in extremely near state and is not in extremely near state respectively), (whether the destination object that reference value characterizes is in state extremely far away to d_far, this value can value 0 or 1, represent that destination object is in state extremely far away and is not in state extremely far away respectively), d_lastTime (the setting moment of reference value), duration (duration of current state), maximum position value d_max and minimum position value d_min, and (whether being in dormancy prompting state), prompt_info_index (dormancy information index, content on television screen to be presented at for carrying out index according to the value of is_sleep_prompt, if the value of is_sleep_prompt is 1, then represent and television set will be set to resting state, the information that now will be able to show according to this prompt_info_index parameter reference).

When described current weighting positional value and reference value are contrasted, also current weighting positional value and this maximum position value d_max and minimum position value d_min to be contrasted.

First computing unit 304, for when described current weighting positional value is between described maximum position value and described minimum position value, according to described current weighting positional value and described reference position value, obtains the regulatory factor of corresponding video and audio parameter.

First computing unit concrete 304 for: according to described weighting current location and reference position value, obtain the regulatory factor function of corresponding video and audio parameter, calculate the regulatory factor of video and audio parameter.

As d_min < d < d_last < d_max or d_min < d_last < d < d_max, the regulatory factor function of the video and audio parameter built in advance can be utilized, calculate the regulatory factor of each video and audio parameter, form video and audio parameter and regulate matrix.Wherein, regulatory factor function is the function of the weighting positional value of current time and the difference of reference position value.

Regulon 305, for the regulatory factor according to described video and audio parameter, carries out adjustment process to audiovisual information.

Regulon 305 is specifically for the regulated quantity that the regulatory factor of described video and audio parameter is converted to described video and audio parameter; According to the regulated quantity of described video and audio parameter, adjustment process is carried out to audiovisual information.

Preferably, the embodiment of the present invention also comprises: the first memory cell 306, for described current weighting positional value being stored as the described reference position value needing comparison.

Preferably, the embodiment of the present invention also comprises: the second computing unit 307, for when described current weighting positional value is not more than described minimum position value, if the described destination object that described reference value characterizes is in extremely near state, and the writing time of described reference value is not empty, then calculate the duration of described extremely near state.

Second computing unit 307 also for, when described current weighting positional value is not less than described maximum position value, if the described destination object that described reference value characterizes is in state extremely far away, and the writing time of described reference value is not empty, then calculate the duration of described state extremely far away.

Closing unit 308, when the duration for described extremely near state exceedes default time threshold, the information of display dormancy or closedown.

Closing unit 308 also for, when the duration of described state extremely far away exceedes default time threshold, the information of display dormancy or closedown.

Preferably, the embodiment of the present invention also comprises: the second memory cell 309, when described current weighting positional value is not more than described minimum position value, if the described destination object that described reference value characterizes is not in extremely near state, and the record moment of described reference value is empty, then described current time is stored as the record moment of described reference value.

Second memory cell 309 also for, when described in described current weighting positional value during maximum position value, if the described destination object that described reference value characterizes is not in state extremely far away, and the record moment of described reference value is empty, then described current time is stored as the record moment of described reference value.

Correspondingly, the embodiment of the present invention additionally provides a kind of television set.A kind of television set schematic diagram that Fig. 4 provides for the embodiment of the present invention.As shown in Figure 4, the present embodiment comprises with lower component: human body detection sensor 401, distance measurement sensor 402, analyzer 403, processor 404, controller 405, memory 406.

Human body detection sensor 401, for detecting the destination object of current time, and is sent to distance measurement sensor 402 by the target object information of current time.

Distance measurement sensor 402, for receiving the target object information of current time from human body detection sensor 401, and obtain the present position values of described destination object at current time, described destination object is transferred to analyzer 403 at the present position values of current time.

Analyzer 403, for from from distance measurement sensor 402 receiving target object at the positional value of current time, process is weighted to described present position values, obtains current weighting positional value d, and current weighting positional value is transferred to processor 404.

Processor 404, for receiving the current weighting positional value calculated from analyzer 403, and obtains the reference value of storage, current weighting positional value and reference value is contrasted from memory 406; According to comparing result, utilize the regulatory factor function of corresponding video and audio parameter, calculate the regulatory factor of video and audio parameter, and regulatory factor is transferred to controller 405.

As d_min < d < d_last < d_max or d_min < d_last < d < d_max, processor 404 is specifically for utilizing the regulatory factor function of the video and audio parameter built in advance, calculate the regulatory factor of each video and audio parameter, form video and audio parameter and regulate matrix.Wherein, regulatory factor function is the function of the difference of current weighting positional value and reference position value.

As d <=d_min, processor 404 can judge whether the destination object that the reference value of last record characterizes is in extremely near state, namely whether d_last is not more than minimum position value d_min, if the described destination object that the reference value of last record characterizes is in extremely near state, then upgrade duration duration, and judge whether the duration after upgrading is greater than default time threshold, if be greater than, then shows the information of dormancy or closedown.If the d <=d_min of current time, but the reference value of last record is not in extremely near state, then current time is saved as d_lastTime.

As d >=d_max, processor 404 can judge whether the destination object that the reference value of last record characterizes is in state extremely far away, namely whether d_last is not less than maximum position value d_max, if the described destination object that the reference value of last record characterizes is in state extremely far away, then upgrade duration duration, and judge whether the duration after upgrading is greater than default time threshold, if be greater than, then shows the information of dormancy or closedown.If the d >=d_max of current time, but the destination object that the reference value of last record characterizes is not in state extremely far away, then current time is saved as d_lastTime.

Controller 405, for receiving regulatory factor from processor 404 or closing information, and this regulatory factor or closedown information are converted to the regulated quantity of the operable video and audio parameter of television set, according to this regulated quantity, the output information of the video and audio of television set is carried out to the adjustment process of intelligence.

Memory 406, for relevant informations such as reference value stored.

Thus, the television set that the embodiment of the present invention provides achieves the change in location according to destination object, the output of Intelligent adjustment audiovisual information, reduces the process complexity of the audiovisual information of television set.

Professional should recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.

The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.

Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection range be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a processing method for audiovisual information, is characterized in that, described method comprises:

According to the regulatory factor of described video and audio parameter, adjustment process is carried out to audiovisual information;

Described described current weighting positional value and reference value are contrasted after also comprise:

When described current weighting positional value is not more than described minimum position value, if the described destination object that described reference value characterizes is in extremely near state, and the writing time of described reference value is not empty, then calculate the duration of described extremely near state;

The duration of described extremely near state, when exceeding default time threshold, shows the information of dormancy or closedown;

Described described current weighting positional value and reference value are contrasted after also comprise: when described current weighting positional value is not more than described minimum position value, if the described destination object that described reference value characterizes is not in extremely near state, and the record moment of described reference value is empty, then described current time is stored as the record moment of described reference value.

2. the processing method of audiovisual information according to claim 1, is characterized in that, also comprises: described current weighting positional value is stored as the described reference position value needing comparison after the regulatory factor of the video and audio parameter that described acquisition is corresponding.

3. the processing method of audiovisual information according to claim 1, it is characterized in that, the described regulatory factor obtaining corresponding video and audio parameter comprises: the regulatory factor function utilizing the video and audio parameter corresponding to described weighting current location, calculates the regulatory factor of video and audio parameter.

4. the processing method of audiovisual information according to claim 1, is characterized in that, the described regulatory factor according to described video and audio parameter, carries out adjustment process comprise audiovisual information:

The regulatory factor of described video and audio parameter is converted to the regulated quantity of described video and audio parameter;

According to the regulated quantity of described video and audio parameter, adjustment process is carried out to audiovisual information.

5. the processing method of audiovisual information according to claim 1, is characterized in that, described described current weighting positional value and reference value are contrasted after also comprise:

When described current weighting positional value is not less than described maximum position value, if the described destination object that described reference value characterizes is in state extremely far away, and the writing time of described reference value is not empty, then calculate the duration of described state extremely far away;

The duration of described state extremely far away, when exceeding default time threshold, shows the information of dormancy or closedown.

6. the processing method of audiovisual information according to claim 5, it is characterized in that, described described current weighting positional value and reference value are contrasted after also comprise: when described in described current weighting positional value during maximum position value, if the described destination object that described reference value characterizes is not in state extremely far away, and the record moment of described reference value is empty, then described current time is stored as the record moment of described reference value.

7. the processing method of the audiovisual information according to claim 1-6 any one, is characterized in that, described video and audio parameter comprise in luminance parameter, contrast level parameter, color saturation parameter, volume parameters one or more.

8. a processing unit for audiovisual information, is characterized in that, described device comprises:

Regulon, for the regulatory factor according to described video and audio parameter, carries out adjustment process to audiovisual information;

Described device also comprises:

Second computing unit, for when described current weighting positional value is not more than described minimum position value, if the described destination object that described reference value characterizes is in extremely near state, and the writing time of described reference value is not empty, then calculate the duration of described extremely near state;

Closing unit, when the duration for described extremely near state exceedes default time threshold, the information of display dormancy or closedown;

Second memory cell, for when described current weighting positional value is not more than described minimum position value, if the described destination object that described reference value characterizes is not in extremely near state, and the record moment of described reference value is empty, then described current time is stored as the record moment of described reference value.

9. the processing unit of audiovisual information according to claim 8, is characterized in that, described device also comprises: the first memory cell, for described current weighting positional value being stored as the described reference position value needing comparison.

10. the processing unit of audiovisual information according to claim 8, it is characterized in that, described first computing unit specifically for: the regulatory factor function utilizing the video and audio parameter corresponding to described weighting current location, calculates the regulatory factor of video and audio parameter.

The processing unit of 11. audiovisual informations according to claim 8, is characterized in that, described regulon is specifically for the regulated quantity that the regulatory factor of described video and audio parameter is converted to described video and audio parameter; According to the regulated quantity of described video and audio parameter, adjustment process is carried out to audiovisual information.

The processing unit of 12. audiovisual informations according to claim 8, it is characterized in that, described second computing unit also for, when described current weighting positional value is not less than described maximum position value, if the described destination object that described reference value characterizes is in state extremely far away, and the writing time of described reference value is not empty, then calculate the duration of described state extremely far away;

Described closing unit also for, when the duration of described state extremely far away exceedes default time threshold, the information of display dormancy or closedown.

The processing unit of 13. audiovisual informations according to claim 12, it is characterized in that, described second memory cell also for, when described in described current weighting positional value during maximum position value, if the described destination object that described reference value characterizes is not in state extremely far away, and the record moment of described reference value is empty, then described current time is stored as the record moment of described reference value.

The processing unit of 14. audiovisual informations according to Claim 8 described in-13 any one, is characterized in that, described video and audio parameter comprise in luminance parameter, contrast level parameter, color saturation parameter, volume parameters one or more.

15. 1 kinds of television sets, is characterized in that, described television set comprises the processing unit of the audiovisual information as described in claim 8-14 any one.