CN102984477A - Processing method and device for video and audio information and television - Google Patents
Processing method and device for video and audio information and television Download PDFInfo
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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
Technical field
The present invention relates to TV technology, relate in particular to a kind of processing method, device and television set of audiovisual information.
Background technology
Along with the fast development of TV tech, the item regulated of television video, audio frequency is also more and more.Television set some drawbacks of using also occurred when developing rapidly.For example, the menu item of the adjusting menu of television video and audio frequency is very many, the user need to use these menu items to carry out the adjusting that TV is looked audio frequency effect, and the general user does not understand the function that these menus are corresponding, often can not get the audio frequency effect of looking of wanting in adjustment process.
Under the prior art, the method for looking audio frequency of regulating TV is generally to open looks audio frequency adjusting window, arranges by image demonstration or the volume of corresponding menu item to TV.The menu item that the audio frequency that uses is at present regulated has L channel, R channel, balance, volume etc.; The menu item of image adjustment has image brightness, picture contrast, color saturation etc., this shows, looks voice frequency regulating method so that the processing more complicated of TV audiovisual information has reduced user's experience effect under the prior art.
Summary of the invention
The embodiment of the invention provides a kind of processing method, device and television set of audiovisual information, can realize the audiovisual information of television set is processed automatically, has reduced the processing complexity of the audiovisual information of television set.
First aspect, the embodiment of the invention provide a kind of processing method of audiovisual information, and described method comprises:
Destination object to current time detects, and obtains described destination object in the current location value of current time;
Described current location value is weighted processing, obtains the current weighting positional value of described destination object;
Described current weighting positional value and reference value are compared, and 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 corresponding regulatory factor of looking audio frequency parameter;
According to the described regulatory factor of looking audio frequency parameter, audiovisual information is regulated processing.
In the possible implementation of the first, the described regulatory factor of looking audio frequency parameter that obtains correspondence also comprises afterwards: the described reference position value that described current weighting positional value is stored as the needs comparison.
In conjunction with first aspect, in the possible implementation of the second, the described regulatory factor of looking audio frequency parameter that obtains correspondence comprises: utilize the corresponding regulatory factor function of looking audio frequency parameter of described weighting current location, calculate the regulatory factor of looking audio frequency parameter.
In conjunction with first aspect, described according to the described regulatory factor of looking audio frequency parameter in the third possible implementation, audiovisual information is regulated processing comprise: the described regulatory factor of looking audio frequency parameter is converted to described regulated quantity of looking audio frequency parameter; According to described regulated quantity of looking audio frequency parameter, audiovisual information is regulated processing.
In conjunction with first aspect, in the 4th kind of possible implementation, describedly after being compared, described current weighting positional value and reference value 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 be not empty the writing time of described reference value, then calculates the duration of described extremely near state; The duration of described extremely near state shows dormancy or the information of closing when surpassing default time threshold.
The 4th kind of possible implementation in conjunction with first aspect, in the 5th kind of possible implementation, describedly after being compared, described current weighting positional value and reference value 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 of described reference value is empty constantly, then described current time is stored as the record of described reference value constantly.
In conjunction with first aspect, in the 6th kind of possible implementation, describedly after being compared, described current weighting positional value and reference value 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 be not empty the writing time of described reference value, then calculates the duration of described state extremely far away; The duration of described state extremely far away shows dormancy or the information of closing when surpassing default time threshold.
The 6th kind of possible implementation in conjunction with first aspect, in the 7th kind of possible implementation, describedly after being compared, described current weighting positional value and reference value also comprise: when the described maximum position value of described current weighting positional value, if the described destination object that described reference value characterizes is not in state extremely far away, and the record of described reference value is empty constantly, then described current time is stored as the record of described reference value constantly.
In conjunction with the first of first aspect, 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, the described audio frequency parameter of looking comprises in luminance parameter, contrast level parameter, color saturation parameter, the volume parameters one or more.
Second aspect, the embodiment of the invention provide a kind of processing unit of audiovisual information, and described device comprises:
Acquiring unit is used for the destination object of current time is detected, and obtains described destination object in the current location value of current time;
Processing unit is used for described current location value is weighted processing, obtains the current weighting positional value of described destination object;
The contrast unit is used for described current weighting positional value and reference value are compared, and described reference value comprises maximum position value, minimum position value and reference position value;
The first computing unit is used 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 corresponding regulatory factor of looking audio frequency parameter;
Regulon is used for according to the described regulatory factor of looking audio frequency parameter, and audiovisual information is regulated processing.
In the possible implementation of the first, described device also comprises: the first memory cell is used for described current weighting positional value is stored as the described reference position value that needs comparison.
In conjunction with second aspect, in the possible implementation of the second, described the first computing unit specifically is used for: utilize the corresponding regulatory factor function of looking audio frequency parameter of described weighting current location, calculate the regulatory factor of looking audio frequency parameter.
In conjunction with second aspect, in the third possible implementation, described regulon specifically is used for: the described regulatory factor of looking audio frequency parameter is converted to described regulated quantity of looking audio frequency parameter; According to described regulated quantity of looking audio frequency parameter, audiovisual information is regulated processing.
In conjunction with second aspect, in the 4th kind of possible implementation, described device also comprises: the second computing unit, be used 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 be not empty the writing time of described reference value, then calculates the duration of described extremely near state; Closing unit, the duration that is used for described extremely near state shows dormancy or the information of closing when surpassing default time threshold.
The 4th kind of possible implementation in conjunction with second aspect, in the 5th kind of possible implementation, described device also comprises: the second memory cell, be used 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 of described reference value is empty constantly, then described current time is stored as the record of described reference value constantly.
The 5th kind of possible implementation in conjunction with second aspect, in the 6th kind of possible implementation, described the second computing unit also is used 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 be not empty the writing time of described reference value, then calculates the duration of described state extremely far away; Described closing unit also is used for, and the duration of described state extremely far away shows dormancy or the information of closing when surpassing default time threshold.
The 6th kind of possible implementation in conjunction with second aspect, in the 7th kind of possible implementation, described the second memory cell also is used for, when the described maximum position value of described current weighting positional value, if the described destination object that described reference value characterizes is not in state extremely far away, and the record of described reference value is empty constantly, then described current time is stored as the record of described reference value constantly.
In conjunction with the first of second aspect, 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, the described audio frequency parameter of looking comprises in luminance parameter, contrast level parameter, color saturation parameter, the volume parameters one or more.
The third aspect, the embodiment of the invention provide 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 invention provides, device and television set detect by the destination object to current time, obtain described destination object in the current location value of current time; Described current location value is weighted processing, obtains the current weighting positional value of described destination object; Described current weighting positional value and reference value are compared, and 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 corresponding regulatory factor of looking audio frequency parameter; According to the described regulatory factor of looking audio frequency parameter, audiovisual information is regulated processing.Realized thus the audio frequency of looking of television set is adjusted automatically, reduced the processing complexity of the audiovisual information of television set.
Description of drawings
The process flow figure of a kind of audiovisual information that Fig. 1 provides for the embodiment of the invention;
The process flow figure of the another audiovisual information that Fig. 2 provides for the embodiment of the invention;
The processing unit schematic diagram of a kind of audiovisual information that Fig. 3 provides for the embodiment of the invention;
A kind of television set schematic diagram that Fig. 4 provides for the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The processing method of the audiovisual information that the embodiment of the invention provides, device and television set can be applicable to the processing scene of television set audiovisual information as a kind of processing method of new audiovisual information when practical application.The method that the user regulates the audiovisual information of television set has multiple, for example, by carrying out the adjusting of sound or image effect by the button on the television set, or comes the sound of remote control adjustment television set or the effect of image etc. by remote controller.The embodiment of the invention provides a kind of processing method of new audiovisual information, and namely television set is regulated the audiovisual information of television set automatically by the change in location that detects people in the object space.
The embodiment of the invention provides a kind of processing method, device and television set of audiovisual information for the defective of prior art.Television set detects the destination object of current time, obtains described destination object in the current location value of current time; Described current location value is weighted processing, obtains the current weighting positional value of described destination object; Described current weighting positional value and reference value are compared, and 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 corresponding regulatory factor of looking audio frequency parameter; According to the described regulatory factor of looking audio frequency parameter, audiovisual information is regulated processing.Realized thus the audio frequency of looking of television set is adjusted automatically, reduced the processing 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 invention.The executive agent of present embodiment is television set, has wherein described the positional value of television set by the destination object of current time and has automatically regulated the method flow of the audiovisual information of television set with the comparing result of reference value.As shown in Figure 1, present embodiment may further comprise the steps:
Step 101, television set detects the destination object of current time, obtains described destination object in the current location value of current time.
Built-in human body detection sensor and distance measurement sensor in the television set, the infrared ray that human body detection sensor sends by human body, can detect and have the people in the current time, be the zone of destination object, distance measurement sensor then can be measured this destination object apart from the positional value of television set.
Certainly, in the space of an appointment, may there be one or more destination objects, human body detection sensor can detect by the infrared ray that human body is sent all destination objects in the space of appointment, wherein, the space of appointment can be the space of a sector region take television set as the center of circle.
Television set gets access to all destination objects behind the positional value of current time, can use the weighting formula that all destination objects are weighted processing at the positional value of current time, thereby obtains the current weighting positional value d of described destination object.
In embodiments of the present invention, described reference position value can be the reference point that sets in advance, perhaps historical certain is looked the weighting positional value that obtains in the audio frequency adjustment, looks the reference position value of using in the audio frequency adjusting such as the weighting positional value that can use the last time to look acquisition in the audio frequency conciliation as this.Current weighting positional value and reference position value are compared, can come looking audio frequency adjustment according to the weighting positional value of current time and the magnitude relationship of 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, the maximum position value is a default maximum position reference value, and the minimum position value is a default minimum position reference value, and the reference position value is the positional value of the last destination object that detects.
In addition, reference value can also comprise: (whether the destination object that reference value characterizes is in extremely near state to d_near, but this value value 0 or 1, represent that respectively destination object is in extremely near state and is not in extremely near state), (whether the destination object that reference value characterizes is in state extremely far away to d_far, but this value value 0 or 1, represent that respectively destination object is in state extremely far away and is not in state extremely far away), d_lastTime (setting of reference value constantly), 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, be used for coming index will be presented at content on the television screen according to the value of i s_sleep_prompt, if the value of is_sleep_prompt is 1, the television set of then indicating is set to resting state, the information that can will show this moment according to this prompt_info_index parameter reference).
Wherein, if destination object is in extremely near state, it is True that d_near then is set, otherwise is made as false; If destination object is in state extremely far away, it is True that d_far then is set, otherwise is made as false; If destination object is in extremely near state or state extremely far away during last the measurement, the moment that d_lastTime is last measurement target object then is set, otherwise d_lastTime is set to sky; The value of duration adds the difference in the moment of current time and last measurement target object for duration of last record, i.e. duration+=(current time-d_lastTime).
Through the contrast operation of step 103, what the comparing result that obtains may be in following 4 kinds is a kind of: d_min＜d＜d_last＜d_max, d_min＜d_last＜d＜d_max, d＜=d_min, d＞=d_max.
Obtaining the regulatory factor of looking audio frequency parameter corresponding to current weighting positional value comprises: utilize the corresponding regulatory factor function of looking audio frequency parameter of described weighting current location, calculate the regulatory factor of looking audio frequency parameter.
When d_min＜d＜d_last＜d_max or d_min＜d_last＜d＜d_max, can utilize the regulatory factor function of looking audio frequency parameter that makes up in advance, calculate the regulatory factor that each looks audio frequency parameter, form and look audio frequency parameter and regulate matrix.Wherein, the regulatory factor function can be the function of the difference of current weighting positional value and reference position value.
Particularly, when d_min＜d＜d_last＜d_max, can calculate first the difference DELTA d=d-d_last of current weighting positional value and reference position value.According to the regulatory factor function luma_step=fun_luma (Δ d) of luminance parameter, can obtain the regulatory factor luma_step of luminance parameter; According to the regulatory factor function contrast_step=fun_contrast (Δ d) of contrast level parameter, can obtain the regulatory factor contrast_step of contrast level parameter; According to the regulatory factor function saturation_step=fun_saturation (Δ d) of color saturation parameter, can obtain the regulatory factor saturation_step of color saturation; According to the regulatory factor function volume_step=fun_volume (Δ d) of volume parameters, can obtain the regulatory factor volume_step of volume.In addition, is_sleep_prompt is set to false, prompt_info_index is set to sky.
Particularly, when d_min＜d_last＜d＜d_max, can calculate first the difference DELTA d=d-d_last of current weighting positional value and reference position value.According to the regulatory factor function luma_step=fun_luma (Δ d) of luminance parameter, can obtain the regulatory factor luma_step of luminance parameter; According to the regulatory factor function contrast_step=fun_contrast (Δ d) of contrast level parameter, can obtain the regulatory factor contrast_step of contrast level parameter; According to the regulatory factor function saturation_step=fun_saturation (Δ d) of color saturation parameter, can obtain the regulatory factor of color saturation; According to the regulatory factor function volume_step=fun_volume (Δ d) of volume parameters, can obtain the regulatory factor volume_step of volume.In addition, is_sleep_prompt is set to false, prompt_info_index is set to sky.
When d＜=d_min, can whether be in by the reference value of judging last record extremely near state, be 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 whether the duration after judge upgrading greater than default time threshold, if greater than, then show dormancy or the information of closing.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.
When d＞=d_max, can judge whether the destination object that the last reference value that records characterizes is in state extremely far away, be 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 whether the duration after judge upgrading greater than default time threshold, if greater than, then show dormancy or the information of closing.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, regulate depending on audio frequency parameter and to comprise the regulatory factor of looking audio frequency parameter and dormancy or the information of closing in the matrix, complete adjusting 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 might be upgraded, but total processing procedure is the same.
The technical characterstic of eigen is to obtain the amplitude of accommodation for brightness, colourity and volume by the difference of current weighting positional value and reference position value.In fact the difference of described current location value and reference position value is exactly to have characterized spectators the position of destination object and then can regulate brightness, colourity, volume according to this variable quantity or the value that characterizes this variable quantity with respect to " variable quantity " of identification last time or can characterize the value of this variable quantity in other words.In embodiments of the present invention, to obtain the value that this variable quantity obtains to characterize this variable quantity in other words by weighting positional value and reference position value are simply done poor method, but, in actual applications, can adopt other one dimension or two-dimentional computing function fully, take described current weighting positional value and reference position value as the gain of parameter regulatory factor corresponding with the two.In addition, in selectable embodiment,
In embodiments of the present invention, to obtain logical relation between current location value and the reference position value by doing poor method, in actual applications, also can come according to other algorithmic formula then to calculate according to default regulatory factor function the amplitude of accommodation of brightness, colourity and volume.
According to the described regulatory factor of looking audio frequency parameter, audiovisual information is regulated processing comprise: the described regulatory factor of looking audio frequency parameter is converted to described regulated quantity of looking audio frequency parameter; According to described regulated quantity of looking audio frequency parameter, audiovisual information is regulated processing.
After obtaining looking the regulatory factor of audio frequency parameter by step 104, control device of the tv is changed regulatory factor, be converted to the operable regulated quantity of looking audio frequency parameter of television set, and according to the regulated quantity of looking audio frequency parameter, the audiovisual information of TV is done the adjusting of intelligence and processed, as strengthening volume, increase brightness, entering dormancy prompting etc.
Need to prove that if is_sleep_prompt is true, then television set need to carry out the dormancy prompting, and carries out countdown; Prompt_info_index is the information index of the dormancy prompting that need to show, for example: when hypotelorism, the health that is harmful to health, suggestion dormancy or close, and when hypertelorism, can't normally watching, suggestion dormancy or close.Certainly, the embodiment of the invention can customize and turn to more information index option, and the information index option is not limited.If if is_sleep_prompt is false, and the current dormancy prompting state that has been in, then cancel the dormancy prompting, close information.
Need to prove; looking audio frequency parameter and can be in luminance parameter, picture contrast parameter, color saturation parameter, the volume parameters one or more in present embodiment; 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 restriction protection scope of the present invention.
Thus, present embodiment is according to the variable quantity of the position of destination object, calculate the regulatory factor of looking audio frequency parameter of television set, and carry out the automatic adjustment of audiovisual information according to this regulatory factor of looking audio frequency parameter, reduced the processing complexity of the audiovisual information of television set.
Above-described embodiment has simply been described the positional value of television set by the current time destination object and has automatically been regulated the method flow of looking audio frequency of television set with the comparing result of reference value, and following embodiment describes the method flow of looking audio frequency that television set is regulated television set automatically in detail.
The process flow figure of the another audiovisual information that Fig. 2 provides for the embodiment of the invention.The executive agent of present embodiment is television set, wherein describes the positional value of television set by the current time destination object in detail and automatically regulates the method flow of looking audio frequency of television set with the comparing result of reference value.As shown in Figure 2, present embodiment may further comprise the steps:
Step 201, television set detects the destination object of current time, obtains described destination object in the current location value of current time.
Built-in human body detection sensor and distance measurement sensor in the television set, the infrared ray of the 10 μ m that human body detection sensor sends by human body, can detect and have the people in the current time, be the zone of destination object, distance measurement sensor then can be measured the positional value of the relative television set of this destination object.The human body detection sensor here can be the electric type MP motion sensor of Jiao NaPiOn, and burnt electric type MP motion sensor NaPiOn is at present minimum a kind of infrared human body detecting sensor, and the infrared ray of the 10 μ m that can send by human body comes human body.Certainly, can use other transducers that can detect human body in the present embodiment, the present invention does not do restriction to this yet.Distance measurement sensor can be BannerQT50U extra long distance ultrasonic displacement sensor, and Banner QT50U extra long distance ultrasonic displacement sensor can very accurately be measured human body apart from the distance of TV, i.e. the positional value of destination object.
Certainly, in the space of an appointment, may there be one or more destination objects, human body detection sensor can detect by the infrared ray that human body is sent all destination objects in the space of appointment, wherein, the space of appointment can be the space of a sector region take television set as the center of circle.
Human body sensor obtain destination object, and the concrete grammar of the positional value of destination object is: N pickup area is set in the space of the sector region that will detect, detect successively i (i=1,2, ..., N) whether have destination object si.has_human in the individual pickup area, if so, then measure this destination object apart from si.distance, obtain corresponding i (i=1,2 ..., the N) semaphore si (has_human of individual pickup area, distance), form semaphore sequence S={s1, s2 ... sN}.
To resulting semaphore sequence S={s1, s2 ... sN} uses the weighting formula to be weighted processing, obtains current weighting positional value.
In embodiments of the present invention, described reference position value can be the reference point that sets in advance, perhaps historical certain is looked the weighting positional value that obtains in the audio frequency adjustment, looks the reference position value of using in the audio frequency adjusting such as the weighting positional value that can use the last time to look acquisition in the audio frequency conciliation as this.Current weighting positional value and reference position value are compared, can obtain the magnitude relationship of current weighting positional value 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, the maximum position value is a default maximum position reference value, and the minimum position value is a default minimum position reference value, and the reference position value is the positional value of the last destination object that detects.In addition, reference value can also comprise: (whether the destination object that reference value characterizes is in extremely near state to d_near, but this value value 0 or 1, represent that respectively destination object is in extremely near state and is not in extremely near state), (whether the destination object that reference value characterizes is in state extremely far away to d_far, but this value value 0 or 1, represent that respectively destination object is in state extremely far away and is not in state extremely far away), d_lastTime (setting of reference value constantly), 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, be used for coming index will be presented at content on the television screen according to the value of is_sleep_prompt, if the value of is_sleep_prompt is 1, the television set of then indicating is set to resting state, the information that can will show this moment according to this prompt_info_index parameter reference).Wherein, if destination object is in extremely near state, it is True that d_near then is set, otherwise is made as false; If destination object is in state extremely far away, it is True that d_far then is set, otherwise is made as false; If destination object is in extremely near state or state extremely far away during last the measurement, the moment that d_lastTime is last measurement target object then is set, otherwise is set to sky; The value of duration adds the difference in the moment of current time and last measurement target object for duration of last record, i.e. duration+=(current time-d_lastTime).
Because when destination object is too far or too near apart from TV, may be not suitable for watching TV programme, consider this situation, reference value can also comprise a maximum position value d_max and a minimum position value d_min, when described current weighting positional value and reference value are compared, also current weighting positional value and this maximum position value d_max and minimum position value d_min to be compared.
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, is obtained the regulatory factor of looking audio frequency parameter.
Obtaining the regulatory factor that described current weighting positional value looks audio frequency parameter comprises: utilize the corresponding regulatory factor function of looking audio frequency parameter of described weighting current location, calculate the regulatory factor of looking audio frequency parameter.
Particularly, when d_min＜d＜d_last＜d_max, can calculate first the difference DELTA d=d-d_last of current weighting positional value and reference position value.According to the regulatory factor function luma_step=fun_luma (Δ d) of luminance parameter, can obtain the regulatory factor luma_step of luminance parameter; According to the regulatory factor function contrast_step=fun_contrast (Δ d) of contrast level parameter, can obtain the regulatory factor contrast_step of contrast level parameter; According to the regulatory factor function saturation_step=fun_saturation (Δ d) of color saturation parameter, can obtain the regulatory factor saturation_step of color saturation; According to the regulatory factor function volume_step=fun_volume (Δ d) of volume parameters, can obtain the regulatory factor volume_step of volume.
Particularly, when d_min＜d_last＜d＜d_max, can calculate first the difference DELTA d=d-d_last of current weighting positional value and reference position value.According to the regulatory factor function luma_step=fun_luma (Δ d) of luminance parameter, can obtain the regulatory factor luma_step of luminance parameter; According to the regulatory factor function contrast_step=fun_contrast (Δ d) of contrast level parameter, can obtain the regulatory factor contrast_step of contrast level parameter; According to the regulatory factor function saturation_step=fun_saturation (Δ d) of color saturation parameter, can obtain the regulatory factor of color saturation; According to the regulatory factor function volume_step=fun_volume (Δ d) of volume parameters, can obtain the regulatory factor volume_step of volume.
The technical characterstic of eigen is to obtain the amplitude of accommodation for brightness, colourity and volume by the difference of current weighting positional value and reference position value.In fact the difference of described current location value and reference position value is exactly to have characterized spectators the position of destination object and then can regulate brightness, colourity, volume according to this variable quantity or the value that characterizes this variable quantity with respect to " variable quantity " of identification last time or can characterize the value of this variable quantity in other words.In embodiments of the present invention, to obtain the value that this variable quantity obtains to characterize this variable quantity in other words by weighting positional value and reference position value are simply done poor method, but, in actual applications, can adopt other one dimension or two-dimentional computing function fully, take described current weighting positional value and reference position value as the gain of parameter regulatory factor corresponding with the two.In addition, in selectable embodiment,
In embodiments of the present invention, to obtain logical relation between current location value and the reference position value by doing poor method, in actual applications, also can come according to other algorithmic formula then to calculate according to default regulatory factor function the amplitude of accommodation of brightness, colourity and volume.
Step 205 according to the described regulatory factor of looking audio frequency parameter, is regulated processing to audiovisual information.
According to the described regulatory factor of looking audio frequency parameter, audiovisual information is regulated processing comprise: the described regulatory factor of looking audio frequency parameter is converted to described regulated quantity of looking audio frequency parameter; According to described regulated quantity of looking audio frequency parameter, audiovisual information is regulated processing.
When 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 the 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 of description references value sign is in extremely near state, otherwise the destination object that the 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 be empty, then calculate the described extremely closely duration of state; The duration of described extremely near state shows dormancy or the information of closing when surpassing default time threshold.
If the described destination object that the reference value of last record characterizes is in extremely near state, then upgrade duration duration, and whether the duration after judge upgrading greater than default time threshold, if greater than, then show dormancy or the information of closing.Show dormancy or the information of closing are in order by the own decision of user television set to be entered to close or resting state.Certainly, 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 be 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 conduct reference value next time.Also to be set to 0 by duration duration.
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.
When d＞=d_max, can judge whether the reference value of last record is in state extremely far away.
If the d_far in the reference value is true, judges that then 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 be empty, then calculate the described extremely far duration of state; The duration of described state extremely far away shows dormancy or the information of closing when surpassing default time threshold.
When d＞=d_max, whether the reference value that can judge 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 whether the duration after judgement is upgraded is greater than default time threshold, if greater than, then show dormancy or the information of closing.Show dormancy or the information of closing are in order by the own decision of user television set to be entered to close or resting state.Certainly, 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 of described reference value be empty constantly, then described current time is stored as the record moment of described reference value.
When 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 is saved as d_lastTime.So that conduct reference value next time.
Step 211 is stored as current weighting positional value the described reference position value that needs comparison.
According to the calculating of step 204 to step 210, calculate after the regulatory factor of looking audio frequency parameter, can preserve current weighting positional value as the reference position value d_last that detects next time; If current weighting positional value is not more than the minimum position value, then the value with d_near saves as true, otherwise the value of d_near is saved as false; If current weighting positional value is not less than the 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 then saves as d_lastTime with current time, otherwise d_lastTime is saved as sky less than or equal to the minimum position value or more than or equal to the maximum position value; If current weighting positional value is less than or equal to the minimum position value or more than or equal to the maximum position value, then (current time-d_lastTime) saves as duration with duration+.
Thus, having realized just that above-mentioned position data with current time saves as detects next time and regulates the reference value of looking audio frequency parameter.
Step 212 according to the described regulatory factor of looking audio frequency parameter, is regulated processing to audiovisual information.
After obtaining looking the regulatory factor of audio frequency parameter by above-mentioned steps, control device of the tv can use 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, audiovisual information to television set is regulated accordingly, as increase volume, increase brightness, enter and close prompting etc.
Thus, present embodiment is according to the variable quantity of the position of destination object, calculate the regulatory factor of looking audio frequency parameter of television set, and carry out the automatic adjustment of audiovisual information according to this regulatory factor of looking audio frequency parameter, reduced the processing complexity of the audiovisual information of television set.
Correspondingly, the embodiment of the invention also 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 invention.As shown in Figure 3, present embodiment comprises with lower unit:
Acquiring unit 301 is used for the destination object of current time is detected, and obtains described destination object in the current location value of current time.
Built-in human body detection sensor in the television set is used for obtaining the destination object of current time; Also built-in distance measurement sensor in the television set is used for measuring the positional value of the destination object of current time.Here destination object refers to the people.
After getting access to destination object and positional value thereof, can be weighted processing to the positional value of destination object, obtain current weighting positional value, in order to compare with the reference position value.
In embodiments of the present invention, described reference position value can be the reference point that sets in advance, perhaps historical certain is looked the weighting positional value that obtains in the audio frequency adjustment, looks the reference position value of using in the audio frequency adjusting such as the weighting positional value that can use the last time to look acquisition in the audio frequency conciliation as this.Current weighting positional value and reference position value are compared, can obtain the magnitude relationship of current weighting positional value 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, the maximum position value is a default maximum position reference value, and the minimum position value is a default minimum position reference value, and the reference position value is the positional value of the last destination object that detects.
In addition, reference value can also comprise: (whether the destination object that reference value characterizes is in extremely near state to d_near, but this value value 0 or 1, represent that respectively destination object is in extremely near state and is not in extremely near state), (whether the destination object that reference value characterizes is in state extremely far away to d_far, but this value value 0 or 1, represent that respectively destination object is in state extremely far away and is not in state extremely far away), d_lastTime (setting of reference value constantly), 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, be used for coming index will be presented at content on the television screen according to the value of is_sleep_prompt, if the value of is_sleep_prompt is 1, the television set of then indicating is set to resting state, the information that can will show this moment according to this prompt_info_index parameter reference).
When described current weighting positional value and reference value are compared, also current weighting positional value and this maximum position value d_max and minimum position value d_min to be compared.
The first computing unit 304 is used 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 corresponding regulatory factor of looking audio frequency parameter.
The first computing unit concrete 304 is used for: according to described weighting current location and reference position value, obtain the corresponding regulatory factor function of looking audio frequency parameter, calculate the regulatory factor of looking audio frequency parameter.
When d_min＜d＜d_last＜d_max or d_min＜d_last＜d＜d_max, can utilize the regulatory factor function of looking audio frequency parameter that makes up in advance, calculate the regulatory factor that each looks audio frequency parameter, form and look audio frequency parameter and regulate matrix.Wherein, the regulatory factor function is the function of the difference of the weighting positional value of current time and reference position value.
The technical characterstic of eigen is to obtain the amplitude of accommodation for brightness, colourity and volume by the difference of current weighting positional value and reference position value.In fact the difference of described current location value and reference position value is exactly to have characterized spectators the position of destination object and then can regulate brightness, colourity, volume according to this variable quantity or the value that characterizes this variable quantity with respect to " variable quantity " of identification last time or can characterize the value of this variable quantity in other words.In embodiments of the present invention, to obtain the value that this variable quantity obtains to characterize this variable quantity in other words by weighting positional value and reference position value are simply done poor method, but, in actual applications, can adopt other one dimension or two-dimentional computing function fully, take described current weighting positional value and reference position value as the gain of parameter regulatory factor corresponding with the two.In addition, in selectable embodiment,
In embodiments of the present invention, to obtain logical relation between current location value and the reference position value by doing poor method, in actual applications, also can come according to other algorithmic formula then to calculate according to default regulatory factor function the amplitude of accommodation of brightness, colourity and volume.
Preferably, the embodiment of the invention also comprises: the first memory cell 306 is used for described current weighting positional value is stored as the described reference position value that needs comparison.
Preferably, the embodiment of the invention also comprises: the second computing unit 307, be used 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 be not empty the writing time of described reference value, then calculates the duration of described extremely near state.
The second computing unit 307 also is used 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 be empty, then calculate the described extremely far duration of state.
Preferably, the embodiment of the 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 of described reference value is empty constantly, then described current time is stored as the record of described reference value constantly.
The second memory cell 309 also is used for, when the described maximum position value of described current weighting positional value, if the described destination object that described reference value characterizes is not in state extremely far away, and the record of described reference value be empty constantly, then described current time is stored as the record moment of described reference value.
Need to prove; looking audio frequency parameter and can be in luminance parameter, picture contrast parameter, color saturation parameter, the volume parameters one or more in present embodiment; 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 restriction protection scope of the present invention.
Thus, present embodiment is according to the variable quantity of the position of destination object, calculate the regulatory factor of looking audio frequency parameter of television set, and carry out the automatic adjustment of audiovisual information according to this regulatory factor of looking audio frequency parameter, reduced the processing complexity of the audiovisual information of television set.
Correspondingly, the embodiment of the invention also provides a kind of television set.A kind of television set schematic diagram that Fig. 4 provides for the embodiment of the invention.As shown in Figure 4, present embodiment comprises with lower member: human body detection sensor 401, distance measurement sensor 402, analyzer 403, processor 404, controller 405, memory 406.
Human body detection sensor 401 is used for the destination object of current time is detected, and the destination object information of current time is sent to distance measurement sensor 402.
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, the maximum position value is a default maximum position reference value, and the minimum position value is a default minimum position reference value, and the reference position value is the positional value of the last destination object that detects.
In addition, reference value can also comprise: (whether the destination object that reference value characterizes is in extremely near state to d_near, but this value value 0 or 1, represent that respectively destination object is in extremely near state and is not in extremely near state), (whether the destination object that reference value characterizes is in state extremely far away to d_far, but this value value 0 or 1, represent that respectively destination object is in state extremely far away and is not in state extremely far away), d_lastTime (setting of reference value constantly), 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, be used for coming index will be presented at content on the television screen according to the value of is_sleep_prompt, if the value of is_sleep_prompt is 1, the television set of then indicating is set to resting state, the information that can will show this moment according to this prompt_info_index parameter reference).
When d_min＜d＜d_last＜d_max or d_min＜d_last＜d＜d_max, the processor 404 concrete in advance regulatory factor functions of looking audio frequency parameter of structure of utilization that are used for, calculate the regulatory factor that each looks audio frequency parameter, form and look audio frequency parameter adjusting matrix.Wherein, the regulatory factor function is the function of the difference of current weighting positional value and reference position value.
Particularly, when d_min＜d＜d_last＜d_max, can calculate first the difference DELTA d=d-d_last of current weighting positional value and reference position value.According to the regulatory factor function luma_step=fun_luma (Δ d) of luminance parameter, can obtain the regulatory factor luma_step of luminance parameter; According to the regulatory factor function contrast_step=fun_contrast (Δ d) of contrast level parameter, can obtain the regulatory factor contrast_step of contrast level parameter; According to the regulatory factor function saturation_step=fun_saturation (Δ d) of color saturation parameter, can obtain the regulatory factor saturation_step of color saturation; According to the regulatory factor function volume_step=fun_volume (Δ d) of volume parameters, can obtain the regulatory factor volume_step of volume.
Particularly, when d_min＜d_last＜d＜d_max, can calculate first the difference DELTA d=d-d_last of current weighting positional value and reference position value.According to the regulatory factor function luma_step=fun_luma (Δ d) of luminance parameter, can obtain the regulatory factor luma_step of luminance parameter; According to the regulatory factor function contrast_step=fun_contrast (Δ d) of contrast level parameter, can obtain the regulatory factor contrast_step of contrast level parameter; According to the regulatory factor function saturation_step=fun_saturation (Δ d) of color saturation parameter, can obtain the regulatory factor of color saturation; According to the regulatory factor function volume_step=fun_volume (Δ d) of volume parameters, can obtain the regulatory factor volume_step of volume.
When d＜=d_min, processor 404 can judge whether the destination object that the reference value of last record characterizes is in extremely near state, be 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 whether the duration after judge upgrading greater than default time threshold, if greater than, then show dormancy or the information of closing.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.
When 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, be 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 whether the duration after judge upgrading greater than default time threshold, if greater than, then show dormancy or the information of closing.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.
Thus, the television set that the embodiment of the invention provides has been realized the change in location according to destination object, and intelligence is regulated the output of audiovisual information, has reduced the processing complexity of the audiovisual information of television set.
The professional should further recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software clearly is described, composition and the step of each example described in general manner according to function in the above description.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.The professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form 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 the technical field.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; the protection range that is not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (19)
1. the processing method of an audiovisual information is characterized in that, described method comprises:
Destination object to current time detects, and obtains described destination object in the current location value of current time;
Described current location value is weighted processing, obtains the current weighting positional value of described destination object;
Described current weighting positional value and reference value are compared, and 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 corresponding regulatory factor of looking audio frequency parameter;
According to the described regulatory factor of looking audio frequency parameter, audiovisual information is regulated processing.
2. the processing method of audiovisual information according to claim 1 is characterized in that, the described regulatory factor of looking audio frequency parameter that obtains correspondence also comprises afterwards: the described reference position value that described current weighting positional value is stored as the needs comparison.
3. the processing method of audiovisual information according to claim 1, it is characterized in that, the described regulatory factor of looking audio frequency parameter that obtains correspondence comprises: utilize the corresponding regulatory factor function of looking audio frequency parameter of described weighting current location, calculate the regulatory factor of looking audio frequency parameter.
4. the processing method of audiovisual information according to claim 1 is characterized in that, and is described according to the described regulatory factor of looking audio frequency parameter, audiovisual information regulated to process comprise:
The described regulatory factor of looking audio frequency parameter is converted to described regulated quantity of looking audio frequency parameter;
According to described regulated quantity of looking audio frequency parameter, audiovisual information is regulated processing.
5. the processing method of audiovisual information according to claim 1 is characterized in that, describedly also comprises after described current weighting positional value and reference value are compared:
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 be empty, then calculate the described extremely closely duration of state;
The duration of described extremely near state shows dormancy or the information of closing when surpassing default time threshold.
6. the processing method of audiovisual information according to claim 5, it is characterized in that, describedly after being compared, described current weighting positional value and reference value 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 of described reference value is empty constantly, then described current time is stored as the record of described reference value constantly.
7. the processing method of audiovisual information according to claim 1 is characterized in that, describedly also comprises after described current weighting positional value and reference value are compared:
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 be empty, then calculate the described extremely far duration of state;
The duration of described state extremely far away shows dormancy or the information of closing when surpassing default time threshold.
8. the processing method of audiovisual information according to claim 7, it is characterized in that, describedly after being compared, described current weighting positional value and reference value also comprise: when the described maximum position value of described current weighting positional value, if the described destination object that described reference value characterizes is not in state extremely far away, and the record of described reference value is empty constantly, then described current time is stored as the record of described reference value constantly.
9. the processing method of the described audiovisual information of any one is characterized in that according to claim 1-8, and the described audio frequency parameter of looking comprises in luminance parameter, contrast level parameter, color saturation parameter, the volume parameters one or more.
10. the processing unit of an audiovisual information is characterized in that, described device comprises:
Acquiring unit is used for the destination object of current time is detected, and obtains described destination object in the current location value of current time;
Processing unit is used for described current location value is weighted processing, obtains the current weighting positional value of described destination object;
The contrast unit is used for described current weighting positional value and reference value are compared, and described reference value comprises maximum position value, minimum position value and reference position value;
The first computing unit is used 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 corresponding regulatory factor of looking audio frequency parameter;
Regulon is used for according to the described regulatory factor of looking audio frequency parameter, and audiovisual information is regulated processing.
11. the processing unit of audiovisual information according to claim 10 is characterized in that, described device also comprises: the first memory cell is used for described current weighting positional value is stored as the described reference position value that needs comparison.
12. the processing unit of audiovisual information according to claim 10, it is characterized in that, described the first computing unit specifically is used for: utilize the corresponding regulatory factor function of looking audio frequency parameter of described weighting current location, calculate the regulatory factor of looking audio frequency parameter.
13. the processing unit of audiovisual information according to claim 10 is characterized in that, described regulon specifically is used for: the described regulatory factor of looking audio frequency parameter is converted to described regulated quantity of looking audio frequency parameter; According to described regulated quantity of looking audio frequency parameter, audiovisual information is regulated processing.
14. the processing unit of audiovisual information according to claim 10 is characterized in that, described device also comprises:
The second computing unit, be used 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 be empty, then calculate the described extremely closely duration of state;
Closing unit, the duration that is used for described extremely near state shows dormancy or the information of closing when surpassing default time threshold.
15. the processing unit of audiovisual information according to claim 14, it is characterized in that, described device also comprises: the second memory cell, be used 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 of described reference value is empty constantly, then described current time is stored as the record of described reference value constantly.
16. the processing unit of audiovisual information according to claim 15, it is characterized in that, described the second computing unit also is used 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 be not empty the writing time of described reference value, then calculates the duration of described state extremely far away;
Described closing unit also is used for, and the duration of described state extremely far away shows dormancy or the information of closing when surpassing default time threshold.
17. the processing unit of audiovisual information according to claim 16, it is characterized in that, described the second memory cell also is used for, when the described maximum position value of described current weighting positional value, if the described destination object that described reference value characterizes is not in state extremely far away, and the record of described reference value is empty constantly, then described current time is stored as the record of described reference value constantly.
18. the processing unit of the described audiovisual information of any one is characterized in that according to claim 10-17, the described audio frequency parameter of looking comprises in luminance parameter, contrast level parameter, color saturation parameter, the volume parameters one or more.
19. a television set is characterized in that described television set comprises the processing unit such as the described audiovisual information of claim 10-18 any one.
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| CN1210648A (en) * | 1996-02-09 | 1999-03-10 | 松下电器产业株式会社 | TV receiver |
| CN101072293A (en) * | 2006-05-09 | 2007-11-14 | 深圳Tcl新技术有限公司 | Device and method for automatically regulating television screen display |
| US20110316881A1 (en) * | 2010-06-24 | 2011-12-29 | Sony Corporation | Display device |
| CN102563299A (en) * | 2010-12-23 | 2012-07-11 | 康佳集团股份有限公司 | Method and device for rotating electric base of television |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1210648A (en) * | 1996-02-09 | 1999-03-10 | 松下电器产业株式会社 | TV receiver |
| CN101072293A (en) * | 2006-05-09 | 2007-11-14 | 深圳Tcl新技术有限公司 | Device and method for automatically regulating television screen display |
| US20110316881A1 (en) * | 2010-06-24 | 2011-12-29 | Sony Corporation | Display device |
| CN102563299A (en) * | 2010-12-23 | 2012-07-11 | 康佳集团股份有限公司 | Method and device for rotating electric base of television |
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