CN104703087A - Method and device for adjusting sound effect - Google Patents
Method and device for adjusting sound effect Download PDFInfo
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- CN104703087A CN104703087A CN201510084873.XA CN201510084873A CN104703087A CN 104703087 A CN104703087 A CN 104703087A CN 201510084873 A CN201510084873 A CN 201510084873A CN 104703087 A CN104703087 A CN 104703087A
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Abstract
The invention discloses a method and a device for adjusting the sound effect. The method applies to a flat Soundbar, wherein the Soundbar comprises a loudspeaker consisting of a low- and medium-frequency loudspeaker and a high-frequency loudspeaker. The method comprises the steps of determining the direction of the loudspeaker in the Soundbar; improving a high frequency signal in the audio signals after determining that the high-frequency loudspeaker is in the vertical direction; improving a low- and high-frequency signal in the audio frequency signals after determining that the low- and high-frequency loudspeaker is in the vertical direction; outputting audio according to the adjusted audio signal. With the adoption of the method and the device, the problem of poor sound quality of user caused by the influence of the position and direction factors of the Soundbar can be solved.
Description
Technical field
The present invention relates to technology for loudspeaker box field, especially relate to a kind of effect adjusting method and device.
Background technology
Along with the development of display device slimming, the self-contained sound system of display device is little owing to being subject to volume, the restriction that thickness is little and good acoustics cannot be obtained, therefore matching used external voice box obtains the chance developed rapidly with display device, and especially bar shaped audio amplifier is (English: Soundbar) development rapidly.
In the sound-box device of current popular, the face shaping of most of Soundbar is generally flat, and now the tweeter of Soundbar and medium and low frequency loud speaker can be arranged on two orthogonal sides.When display device wall hanging, as shown in Figure 1, Soundbar 102 and display device 101 are suspended on wall 104, it is cabinet for TV 103 below display device, Soundbar 102 is positioned at below display device 101, and above cabinet for TV 103, Soundbar102 installs medium and low spectrum loudspeaker one side just to user.As shown in Figure 2, when display device 201 vertical pendulum is placed on desktop 203, Soundbar202 needs to lie against desktop 203, and display device 201 does not contact with wall 204, and Soundbar202 installs medium and low spectrum loudspeaker one side and becomes 90 degree of angles with user.Because sound has directive property, especially high-frequency sound directive property is stronger, causes the sound in 90 degree of directions to have larger decay, and this sound effect just causing user under two kinds of display cases to hear is completely different, when display device vertical pendulum is placed on desktop, the tonequality that user obtains can be poor.
Summary of the invention
The invention provides a kind of effect adjusting method and device, for solving because the position of Soundbar is towards the impact of factor, the problem that the tonequality that user is obtained can be poor.
A kind of effect adjusting method, described method is applied in the bar shaped audio amplifier Soundbar of flat, comprise loud speaker in described Soundbar, described loud speaker comprises medium and low frequency loud speaker and tweeter, and described method comprises: to determine in described Soundbar loud speaker towards; Determining that described tweeter is towards when being vertical direction, strengthen the high-frequency signal in audio signal; And determining that described medium and low frequency loud speaker is towards when being vertical direction, strengthen the medium and low frequency signal in audio signal; According to the audio signal output audio after adjustment.
A kind of audio adjusting device, described application of installation is in the bar shaped audio amplifier Soundbar of flat, and comprise loud speaker in described Soundbar, described loud speaker comprises medium and low frequency loud speaker and tweeter, described device comprises: determining unit, for determine in described Soundbar loud speaker towards; Performance element, for determining that described tweeter is towards when being vertical direction, strengthens the high-frequency signal in audio signal; And determining that described medium and low frequency loud speaker is towards when being vertical direction, strengthen the medium and low frequency signal in audio signal; Output unit, for according to adjustment after audio signal output audio.
By adopting technique scheme, according to the loud speaker in Soundbar towards, namely woofer and tweeter towards, the sound field equalizer curve of adjustment Soundbar, audio signal is through different sound field equalizer curve optimization processes, the sound arriving user is made to be identical, solve because the position of Soundbar is towards the impact of factor, the tonequality that user is obtained can be poor problem, thus reach different disposing way obtain identical acoustics and play tonequality more optimize.
Accompanying drawing explanation
Fig. 1 is under normal circumstances, Soundbar wall hanging view;
Fig. 2 is under normal circumstances, Soundbar flat condition schematic diagram;
Fig. 3 is in the embodiment of the present invention, the effect adjusting method flow chart of proposition;
Fig. 4 is in the embodiment of the present invention, structure composition schematic diagram during the Soundbar middle/high frequency loudspeaker vertical direction of proposition;
Fig. 5 is in the embodiment of the present invention, structure composition schematic diagram during the medium and low frequency loud speaker vertical direction of proposition;
Fig. 6 is in the embodiment of the present invention, the audio adjusting device structure composition schematic diagram of proposition.
Embodiment
Solve because the position of Soundbar is towards the impact of factor for also not proposing at present a kind of settling mode, the tonequality that user is obtained can be poor problem, the present invention gives chapter and verse the orientation information of the loud speaker in Soundbar, the i.e. orientation information of medium and low frequency loud speaker and tweeter, the sound field sound field equalizer curve of adjustment Soundbar, the sound that audio signal arrives user after different sound field sound field equalizer curve optimization processes is identical, solve because the position of Soundbar is towards the impact of factor, the tonequality that user is obtained can be poor problem, thus reach different disposing way obtain identical acoustics and play tonequality more optimize.
Below in conjunction with each accompanying drawing, the main of embodiment of the present invention technical scheme is realized principle, embodiment and set forth in detail the beneficial effect that should be able to reach.
The embodiment of the present invention proposes a kind of effect adjusting method, and as shown in Figure 3, the concrete handling process of the method is as following:
Step 31, determines the placement state of Soundbar.
The placement state of Soundbar can according to loud speaker in Soundbar towards determining.
In the Soundbar of flat, in Soundbar, comprise loud speaker.Loud speaker in Soundbar can be divided into medium and low frequency loud speaker and tweeter two kinds, medium and low frequency loud speaker and tweeter are arranged on the adjacent sidewall of two of Soundbar, and the medium and low frequency loud speaker in Soundbar and the angle between tweeter can be arbitrarily angled.
One is execution mode preferably, and in the technical scheme that the embodiment of the present invention proposes, Soundbar flat horizontal surface is provided with medium and low frequency loud speaker, and side is provided with tweeter, becomes 90 degree to be described in detail for example between medium and low frequency loud speaker and tweeter.
Wherein, the size of medium and low frequency loud speaker is larger, is generally greater than the size of tweeter, is arranged on the flat horizontal surface of Soundbar, and tweeter size is less, is arranged on the side that Soundbar is narrower.
Can by sensing apparatus to determine in Soundbar loud speaker towards.Such as can by gravity sensing equipment, gyroscope etc. to determine in Soundbar loud speaker towards.
One is execution mode preferably, by arranging gravity sensor in Soundbar, when Soundbar is in certain placement state, gravity sensor can feed back an induced signal, according to the induced signal of gravity sensor feedback to judge in Soundbar loud speaker towards.
If by gyroscope to determine in Soundbar loud speaker towards, can by the angle of medium and low frequency loud speaker in gyroscope perception Soundbar and/or tweeter and vertical direction.
Step 32, determining that tweeter is towards when being vertical direction, strengthens the high-frequency signal in audio signal; And determining that medium and low frequency loud speaker is towards when being vertical direction, strengthen the medium and low frequency signal in audio signal.
Tweeter is towards when being vertical direction, medium and low frequency loud speaker in Soundbar with become 90 degree between tweeter, now, put from outward appearance, medium and low frequency loud speaker in Soundbar is in the face of user, and the angle between tweeter and user is 90 degree, namely tweeter towards time vertically, then now the placement state of Soundbar is wall hanging state.
In this kind of state, tweeter is towards when being vertical direction, can be vertically become 90 degree, also the angle in a certain specified scope can be kept with vertical direction, such as, high flat loud speaker becomes 5 degree of angles with numerical value direction, and in the technical scheme that the embodiment of the present invention proposes, those modes all belong to tweeter and are positioned at vertical direction.
When determining that Soundbar is in this kind of state, the medium and low frequency loud speaker in Soundbar is in the face of user, and the angle between tweeter and user is 90 degree, namely tweeter towards time vertically, strengthen the high-frequency signal in audio signal.
Particularly, the first sound field equalizer curve prestored can be called, strengthen the high-frequency signal in audio signal according to the first sound field equalizer curve.
After strengthening the high-frequency signal in audio signal, the second sound field equalizer curve prestored can also be called, strengthen the medium and low frequency signal in audio signal according to the second sound field equalizer curve.
Wherein, the first sound field equalizer curve and the second sound field equalizer curve can be identical sound field equalizer curves, also can be not identical sound field equalizer curves, and for ease of setting forth, the embodiment of the present invention identifies by first and second.
When Soundbar is in wall hanging state, as shown in Figure 4, under this kind of state, the direction of the medium and low spectrum loudspeaker 1 of Soundbar is just to user, and tweeter 2 and user form 90 degree of angles for placing direction.Decay in the process of the sound arrival user that medium and low spectrum loudspeaker 1 sends less.But the sound that tweeter 2 sends, because directive property reason arrives in the process of user, have larger decay, therefore in sound field equalizer curve, increase the radio-frequency component of audio signal, simultaneously in order to enable voice is effectively thick and heavy, plentiful mellow and full, also need suitably to increase medium and low frequency signal component in sound field equalizer curve, user can be made like this to obtain good acoustics.
Determining that medium and low frequency loud speaker is towards when being vertical direction, strengthen the medium and low frequency signal in audio signal.Medium and low frequency loud speaker in Soundbar is towards when being vertical direction, and under this kind of state, from the outward appearance placement state of Soundbar, now the placement state of Soundbar is flat condition.
In this kind of situation, face wider on Soundbar with put plane parallel, and medium and low spectrum loudspeaker disposing way upward.Such as be placed on tea table, on desktop and cabinet for TV first-class.The Soundbar being in flat condition simultaneously can contact object, and such as, be directly placed in a certain plane, other each face does not contact any object.Also can two sides contact object.Such as, the while of being placed in a certain plane, there are other faces and other object contacts, put as leaned on wall.
Particularly, call the 3rd sound field equalizer curve prestored, strengthen the medium and low frequency signal in audio signal according to the 3rd sound field equalizer curve.
After strengthening the medium and low frequency signal in audio signal, also comprise: call the falling tone field equalizer curve prestored, according to falling tone field equalizer curve, strengthen the high-frequency signal in audio signal.
As shown in Figure 5, when Soundbar keeps flat on desktop, the direction of the medium and low frequency loud speaker 1 in Soundbar becomes 90 degree of angles with user, namely medium and low frequency loud speaker 1 is towards when being vertical direction, sound arrives in the process of user can have certain decay due to directive property, tweeter 2 is just to user, and the process medium-high frequency acoustic attenuation that sound arrives user is less.In sound field equalizer curve, increase medium and low frequency signal in this kind of situation, correspondingly, sound field equalizer curve high frequency signal part also will do suitable lifting, and sound can be made to sound more clear bright,
One is execution mode preferably, in the technical scheme that the embodiment of the present invention proposes, sound field equalizer curve can be prestored in memory device, after the state information of gravity sensing device-aware Soundbar, by the status information transmission that perceives to control module, control module is according to state information, and the sound field equalizer curve prestored, adjustment medium and low frequency signal, high-frequency signal.
Wherein, the 3rd sound field equalizer curve and falling tone field equalizer curve can be identical sound field equalizer curves, also can be not identical sound field equalizer curves, and for ease of setting forth, the embodiment of the present invention identifies by third and fourth.
Step 33, according to the audio signal output audio after adjustment.
Correspondingly, the embodiment of the present invention also proposes a kind of audio adjusting device, and this application of installation is in the bar shaped audio amplifier Soundbar of flat.
Comprise loud speaker in Soundbar, loud speaker comprises medium and low frequency loud speaker and tweeter, and as shown in Figure 6, this device comprises:
Determining unit 601, for determine in described Soundbar loud speaker towards.
Performance element 602, for determining that described tweeter is towards when being vertical direction, strengthens the high-frequency signal in audio signal; And determining that described medium and low frequency loud speaker is towards when being vertical direction, strengthen the medium and low frequency signal in audio signal.
Particularly, above-mentioned performance element 602, specifically for calling the first sound field equalizer curve prestored; The high-frequency signal in audio signal is strengthened according to described first sound field equalizer curve.
Above-mentioned performance element 602, also for calling the second sound field equalizer curve prestored; The medium and low frequency signal in audio signal is strengthened according to described second sound field equalizer curve.
Particularly, above-mentioned performance element 602, specifically for calling the 3rd sound field equalizer curve prestored; The medium and low frequency signal in audio signal is strengthened according to described 3rd sound field equalizer curve.
Above-mentioned performance element 602, also for calling the falling tone field equalizer curve prestored; The high-frequency signal in audio signal is strengthened according to described falling tone field equalizer curve.
Output unit 603, for according to adjustment after audio signal output audio.
In the technical scheme of the above-mentioned proposition of the embodiment of the present invention, according to the state information of Soundbar, the sound field equalizer curve of adjustment Soundbar, the sound that audio signal arrives user after different sound field equalizer curve optimization processes is identical, thus reach different disposing way obtain identical acoustics and play tonequality more optimize.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (11)
1. an effect adjusting method, described method is applied in the bar shaped audio amplifier Soundbar of flat, comprises loud speaker in described Soundbar, and described loud speaker comprises medium and low frequency loud speaker and tweeter, it is characterized in that, described method comprises:
To determine in described Soundbar loud speaker towards;
Determining that described tweeter is towards when being vertical direction, strengthen the high-frequency signal in audio signal; And determining that described medium and low frequency loud speaker is towards when being vertical direction, strengthen the medium and low frequency signal in audio signal;
According to the audio signal output audio after adjustment.
2. the method for claim 1, is characterized in that, strengthens the high-frequency signal in audio signal, comprising:
Call the first sound field equalizer curve prestored;
The high-frequency signal in audio signal is strengthened according to described first sound field equalizer curve.
3. method as claimed in claim 2, is characterized in that, after strengthening the high-frequency signal in audio signal, also comprises:
Call the second sound field equalizer curve prestored;
The medium and low frequency signal in audio signal is strengthened according to described second sound field equalizer curve.
4. the method for claim 1, is characterized in that, strengthens the medium and low frequency signal in audio signal, comprising:
Call the 3rd sound field equalizer curve prestored;
The medium and low frequency signal in audio signal is strengthened according to described 3rd sound field equalizer curve.
5. method as claimed in claim 4, is characterized in that, after strengthening the medium and low frequency signal in audio signal, also comprises:
Call the falling tone field equalizer curve prestored;
The high-frequency signal in audio signal is strengthened according to described falling tone field equalizer curve.
6. an audio adjusting device, is characterized in that, described application of installation is in the bar shaped audio amplifier Soundbar of flat, and comprise loud speaker in described Soundbar, described loud speaker comprises medium and low frequency loud speaker and tweeter, and described device comprises:
Determining unit, for determine in described Soundbar loud speaker towards;
Performance element, for determining that described tweeter is towards when being vertical direction, strengthens the high-frequency signal in audio signal; And determining that described medium and low frequency loud speaker is towards when being vertical direction, strengthen the medium and low frequency signal in audio signal;
Output unit, for according to adjustment after audio signal output audio.
7. device as claimed in claim 6, is characterized in that, described performance element, specifically for calling the first sound field equalizer curve prestored; The high-frequency signal in audio signal is strengthened according to described first sound field equalizer curve.
8. device as claimed in claim 7, is characterized in that, described performance element, also for calling the second sound field equalizer curve prestored; The medium and low frequency signal in audio signal is strengthened according to described second sound field equalizer curve.
9. device as claimed in claim 6, is characterized in that, described performance element, specifically for calling the 3rd sound field equalizer curve prestored; The medium and low frequency signal in audio signal is strengthened according to described 3rd sound field equalizer curve.
10. device as claimed in claim 8, is characterized in that, described performance element, also for calling the falling tone field equalizer curve prestored; The high-frequency signal in audio signal is strengthened according to described falling tone field equalizer curve.
11. devices as claimed in claim 6, it is characterized in that, the tweeter in described loud speaker and the angle between medium and low frequency loud speaker are 90 degree.
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| CN201510084873.XA CN104703087B (en) | 2015-02-16 | 2015-02-16 | A kind of effect adjusting method and device |
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| CN201510084873.XA CN104703087B (en) | 2015-02-16 | 2015-02-16 | A kind of effect adjusting method and device |
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| CN114115791A (en) * | 2021-11-17 | 2022-03-01 | 惠州视维新技术有限公司 | Electronic device, sound control method, and storage medium |
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| CN104703087B (en) | 2019-01-01 |
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