CN101370106A - Sound volume control method for audio processing equipment and television set - Google Patents
Sound volume control method for audio processing equipment and television set Download PDFInfo
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- CN101370106A CN101370106A CNA200710016531XA CN200710016531A CN101370106A CN 101370106 A CN101370106 A CN 101370106A CN A200710016531X A CNA200710016531X A CN A200710016531XA CN 200710016531 A CN200710016531 A CN 200710016531A CN 101370106 A CN101370106 A CN 101370106A
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Abstract
This invention discloses a volume control method of audio frequency processing device. The audio frequency processing device includes a built-in sound box and an external sound box connected with the audio frequency processing device, including following steps: receiving a volume adjusting signal through the audio frequency processing device; b, determining an output amplitude of a sound output end of the audio frequency processing device based on the volume adjusting signal; c, controlling an output volume of the external sound box connected with the sound output terminal through the output amplitude. This invention utilizes the audio frequency processing device to receive the volume adjusting signal sent by a user so as to control the output amplitude of the sound output terminal and realize the effective adjusting to the external sound box volume. Therefore, the user is able to control the external sound box volume only using the audio frequency processing device so as to simplify the control to the external sound box. At the same time, the TV applying the method provided by this invention can be convenient for the daily use of the user.
Description
Technical field
The present invention relates to a kind of method for controlling volume, specifically, relate to a kind of method of the volume of connected external voice box being controlled by audio processing equipment.
Background technology
In the actual life, television set mostly oneself has built-in audio amplifier, and people listen to audio-frequency information in the program by the audio amplifier of television internal.But, owing to reasons such as cost and actual needs, the acoustics of the built-in speaker in the television set can not reach some users' audiovisual requirement, therefore, these certain customers just are connected to television set with the better external voice box of acoustics, to obtain better seeing and hearing enjoyment.
In the prior art, the volume adjusting of external voice box is mainly undertaken by dual mode: first kind is to regulate output volume by knob on the external voice box or button; Second kind is to carry out the adjusting of volume by the remote controller with described external voice box coupling.Obviously, first method is more loaded down with trivial details, needs the user constantly to walk about between seat and audio amplifier, is unfavorable for using; Though second method has been avoided the shortcoming of first method, because television set also is furnished with remote controller, need to arrange two remote controllers so in use, user's use is caused great inconvenience.
Therefore, demand occurring a kind of method of simple adjusting external voice box volume urgently.
Summary of the invention
Technical problem to be solved by this invention provides a kind of control method of the volume of connected external voice box being regulated by audio processing equipment.
In order to address the above problem, the present invention proposes a kind of method for controlling volume of audio processing equipment, the external voice box that described audio processing equipment comprises built-in speaker and links to each other with described audio processing equipment, its method for controlling volume may further comprise the steps:
A, adjust signal by the audio processing equipment volume of reception;
B, adjust the output amplitude that signal is determined the voice output terminal of described audio processing equipment according to described volume;
The output volume of C, the external voice box that is connected with described voice output terminal by the control of described output amplitude.
Further, the specific implementation method of controlling described external voice box volume is:
A, adjust signal by the audio processing equipment volume of reception;
B, judgement current selected audio amplifier are the built-in speaker or the external voice box of audio processing equipment; If external voice box then keeps the quiet or shielding built-in speaker of built-in speaker;
C, adjust the output amplitude that signal is determined the voice output terminal of described audio processing equipment according to described volume;
The output volume of d, the external voice box that is connected with described voice output terminal by the control of described output amplitude;
E, quit a program.
Wherein, described volume adjustment signal is sent by the remote controller or the key panel of described audio processing equipment.
Further again, in described step b, judge the current selected audio amplifier be built-in speaker still be the method for external voice box be to realize by detecting the method that whether is connected with external voice box on the described voice output terminal; When being connected with external voice box on the described voice output terminal, think that the current selected audio amplifier is an external voice box; Otherwise, think that the current selected audio amplifier is a built-in speaker.
Certainly, described judgement current selected audio amplifier is that built-in speaker still is that the method for external voice box also can realize the setting of using built-in speaker or external voice box by detecting the user.
Further again, in described step c, described output amplitude obtains by the mapping relations of target volume value and output amplitude; Described target volume value is that current volume value and described volume are adjusted the signal value sum; Described mapping relations are mapping chart or function curve.
Preferably, described audio processing equipment is the electronic equipment that television set, CD player or power amplifying device etc. can connect external voice box.
Based on above-mentioned external voice box control method, the present invention has proposed a kind of television set that adopts the method control external voice box again, comprising:
CPU is used to receive the volume that the user sends and adjusts signal and send it to the sound control unit;
The sound control unit is used for adjusting signal and adjusting the output amplitude that signal and mapping relations obtain the voice output terminal according to this volume from described CPU volume of reception;
Memory is used to store described mapping relations data, and these mapping relations can be mapping chart or function curve;
The voice output terminal is used to connect external voice box, and will be from the audio signal output of described sound control unit to described external voice box.
Compared with prior art, advantage of the present invention and good effect are: the present invention utilizes audio processing equipment to receive the volume adjustment signal that the user sends, and then controls the output amplitude of its voice output terminal, to realize the effective adjusting to its external voice box volume.Like this, the user only need use the remote controller of audio processing equipment can finish control to the external voice box volume, frequently walking about when not only having avoided the user to regulate the external voice box volume also overcome the inconvenience of using a plurality of remote controllers simultaneously, makes that the control of external voice box is more simple.Simultaneously, the daily use that the television set of using said method proposed by the invention also can convenient user makes the volume control of connected external voice box become easier, helps to improve the satisfaction of user to tv product.
Description of drawings
Fig. 1 is the structured flowchart of an embodiment of television set proposed by the invention;
Fig. 2 is based on the flow chart of an embodiment of the external voice box control method of television set shown in Figure 1;
Fig. 3 is based on the flow chart of another embodiment of the external voice box control method of television set shown in Figure 1.
Embodiment
Below in conjunction with accompanying drawing the embodiment of invention is at length set forth.
External voice box volume adjusting method of the present invention is changed the existing external voice box remote controller that adopts to its method of controlling, and adopt connected audio processing equipment to realize effective control to its volume, only need the remote controller of operating audio treatment facility or the volume on the key panel to regulate button when the user uses and to realize effective adjusting to its external voice box volume, the television structure that the following specifically describes its specific implementation method and use this method.
With reference to figure 1, illustrate the structured flowchart of an embodiment of television set proposed by the invention.As shown in Figure 1, described television set 1 comprises:
CPU10 is used to receive the volume adjustment signal that the user sends, and sends it to following sound control unit 12;
Built-in speaker 14 is used to play the audio signal from 12 outputs of sound control unit;
Wherein, the volume that CPU10 received is adjusted signal and can be produced and send by the button on the key panel of television set 1 by the user, also can produce and send by the button on user's trigger television remote controller.It can be the increase and decrease signal of volume value or definite target volume value signal that described volume is adjusted signal.The mapping relations data that described memory 11 is stored can be the functional relation between the output amplitude of target volume value and voice output terminal 13, for example y=f (x+ Δ x); Wherein, x is a current volume value; Δ x is for adjusting volume value; Y is actual output amplitude value, is the function f of a based target volume value x+ Δ x.Certainly, described mapping relations also can be the tabular corresponding relations between target volume value and the actual output amplitude, and promptly the mode by list query obtains actual output amplitude of voice output terminal 13 or the like, the invention is not restricted to this.
Described sound control unit 12 obtains actual output amplitude value according to volume adjustment signal and the described mapping relations from CPU10, for example the volume value of current television set is 20, the adjusted value that volume that the user sends is adjusted signal is for improving 20 (or be increased to 40 etc.), then sound control unit 12 according to described mapping relations (for last example, y=f (20+20)=f (40)) obtains actual output amplitude value, it is the y value, thereby change the current output amplitude of voice output terminal 13, and then improve the volume of external voice box 100 output audio information.
In addition, the output amplitude of described voice output terminal 13 can be by the curvilinear motion of setting with the variation of volume, and the volume of this machine boombox 14 is setting curve separately also.For example: choose several broken line points in user's adjustable extent and comprise that volume is that 0 point and volume are 1 the point and the point of volume maximum, as user's adjustable extent is 0-100, getting several broken line end points is volume value, with 6 is example, be respectively: 0,1,20,50,80,100, set the actual output amplitude of each volume value correspondence then, as actual output amplitude scope is 0-255, and the actual output amplitude that then can establish 6 broken line end points 0,1,20,50,80,100 is 0,20,80,150,200,250.At last, according to the 6 pairs of volume values of described mutual correspondence and the output amplitude value returns or match to obtain with the volume value be independent variable x, be the functional relation of dependent variable y with the output amplitude value.Wherein, in one embodiment of the invention, for convenience the user uses, built-in a plurality of functional relations of selecting for users in its memory 11 when television set 1 dispatches from the factory, and the user can select as required.In addition, the recurrence of described functional relation or the sampling point of match (being the 6 pairs of volume values and the output amplitude value of described mutual correspondence) can be changed arbitrarily by the user, and final function is generated and covered by CPU10 or is stored in the memory 11 as new functional relation.
With reference to figure 2, illustrate workflow based on an embodiment of the external voice box method for controlling volume of television set shown in Figure 1.In the present embodiment, suppose that the television set 1 among Fig. 1 does not comprise built-in speaker 14, other parts can be understood with reference to figure 1 fully, as shown in the figure, may further comprise the steps:
Step S20, volume of reception is adjusted signal.That is, receive the volume of being sent by the user and adjust signal, this signal can send by the button on the television set 1 equally, also can send by the remote controller of television set 1; It can be volume increase and decrease signal or target signal volume etc. that described volume is adjusted signal;
Step S21 adjusts the output amplitude that signal obtains the voice output terminal according to described volume.In one embodiment of the invention, when the size that has obtained just to obtain after described volume is adjusted signal actual output amplitude according to the mapping relations of target volume value and output amplitude.It is that volume value increases or the volume value cut signal that described volume is adjusted signal, or target volume value signal, and described mapping relations can be functional relation (h=g (m) for example, h is an output amplitude, m is a volume value) formula or map listing etc.For example, current volume value is 30 (being the current volume value that shows on the television set), the user sends volume and reduces by 10 volume adjustment signal, then calculate according to functional relation h=g (m) this moment, h=g (30-10)=g (20), this relational expression is for being the computing function formula of the output amplitude of variable with the target volume value; , can be that object is searched for then perhaps, thereby obtain corresponding output amplitude etc. with the target volume value if mapping relations are map listing;
Step S22, the output amplitude that the output amplitude of control tv audio lead-out terminal calculates for step S21;
Step S23 finishes this adjustment process.
With reference to figure 3, illustrate workflow based on another embodiment of the external voice box method for controlling volume of television set shown in Figure 1.As shown in the figure, may further comprise the steps:
Step S30, the volume of reception conditioning signal.That is, receive the volume of being sent by the user and adjust signal, this signal can send by the button on the television set 1 equally, also can send by the remote controller of television set 1; It can be volume increase and decrease signal or target signal volume etc. that described volume is adjusted signal;
Step S31 judges whether the current selected audio amplifier is built-in speaker, if, execution in step S35 then, otherwise execution in step S32; That is, judge that the selected audio amplifier of active user is built-in speaker or external voice box; It can be judged by one of following manner: one, user's setting means, to store user-selected audio amplifier be built-in or external by a marker bit is set, for example this is labeled as 1, represent that then the user selects external voice box, be labeled as 0 expression user and select built-in speaker, user's selection is finished by TV menu; Two, the automatic detection mode of television set, that is, whether television set detection voice output this moment terminal is connected to external voice box, if having, thinks that then current audio amplifier is an external voice box, otherwise thinks that current audio amplifier is a built-in speaker; Three, detection is set the mode that combines with the user automatically, that is, at first television set detects the user and whether enabled the automatic measuring ability of television set, if enabled, then be as the criterion with the automatic testing result of television set, otherwise the current audio amplifier of setting with the user is as the criterion;
Step S32, the control built-in speaker is quiet, promptly, the current audio amplifier that this moment, the user selected is an external voice box, in order to make not output sound of built-in speaker, here it is quiet to need built-in speaker to be set to, and the silent mode when just television set uses at ordinary times perhaps also can temporarily shield built-in speaker by circuit;
Step S33 adjusts the output amplitude that signal obtains the voice output terminal according to described volume., can obtain the size of actual output amplitude according to the mapping relations between target volume value and the output amplitude here, described mapping relations can be functional relation or map listing etc.Concrete process can refer step S21 associated description, no longer carry out repeat specification here;
Step S34, according to the volume of described output amplitude control external voice box output audio signal, this step finishes back execution in step S38.That is, calculate output amplitude by step S33 after, audio output that just makes television set is with described amplitude output audio signal;
Step S35, the output amplitude of voice output terminal is fixed; Promptly its volume is regulated the interference that is subjected to external voice box in order to avoid using built-in speaker, needs this moment to keep the output amplitude of voice output terminal to fix;
Step S36 adjusts the target volume that signal obtains built-in speaker according to described volume; Here, the target volume method that obtains built-in speaker also can be with reference to the method for the output amplitude of above-mentioned acquisition external voice box; That is, adjust signal and obtain the target volume value by mapping relations according to described volume, the associated description of concrete process in can analogy step S21 do not done at this and to be given unnecessary details;
Step S37 is adjusted to described target volume with the volume of built-in speaker; That is, after step S36 had obtained described target volume, television set was just controlled the volume that makes built-in speaker export this volume value;
Step S38 finishes this volume and regulates flow process.
Frequently walking about when said method has not only been avoided adjusting external voice box also overcome the inconvenience of using a plurality of remote controllers simultaneously, makes that the control of external voice box is more simple.The method for controlling volume of described external voice box equally also be applicable to other can the electronic equipment of external external voice box in, such as CD player, power amplifying device etc., in the hope of improving user's satisfaction.Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. the external voice box that the method for controlling volume of an audio processing equipment, described audio processing equipment comprise built-in speaker and link to each other with described audio processing equipment may further comprise the steps:
A, adjust signal by the audio processing equipment volume of reception;
B, adjust the output amplitude that signal is determined the voice output terminal of described audio processing equipment according to described volume;
The output volume of c, the external voice box that is connected with described voice output terminal by the control of described output amplitude.
2. the method for controlling volume of audio processing equipment according to claim 1 is characterized in that, also comprises step b0 between described step a and step b:
The built-in speaker of b0, the described audio processing equipment of maintenance is in mute state or shielding built-in speaker.
3. the method for controlling volume of audio processing equipment according to claim 2 is characterized in that, also comprises step a1 between described step a and step b0:
A1, judgement current selected audio amplifier are built-in speaker or external voice box; If external voice box, then execution in step b0.
4. according to the method for controlling volume of the described audio processing equipment of one of claim 1～3, it is characterized in that, in described step a1, judge the current selected audio amplifier be built-in speaker still be the method for external voice box be to realize by the method that whether is connected with external voice box on the voice output terminal that detects described audio processing equipment; When being connected with external voice box on the described voice output terminal, think that the current selected audio amplifier is an external voice box; Otherwise, think that the current selected audio amplifier is a built-in speaker.
5. according to the method for controlling volume of the described audio processing equipment of one of claim 1～3, it is characterized in that, in described step a1, judge the current selected audio amplifier be built-in speaker still be the method for external voice box be the setting of using built-in speaker or external voice box to be realized by detecting the user.
6. according to the method for controlling volume of the described audio processing equipment of one of claim 1～3, it is characterized in that in described step b, described output amplitude obtains by the mapping relations of target volume value and output amplitude; Described target volume value is that current volume value and described volume are adjusted the signal value sum; Described mapping relations are mapping chart or function curve.
7. according to the method for controlling volume of the described audio processing equipment of one of claim 1～3, it is characterized in that described volume adjustment signal is sent by the remote controller of described audio processing equipment.
8. according to the method for controlling volume of the described audio processing equipment of one of claim 1～3, it is characterized in that described audio processing equipment is television set, CD player or power amplifying device.
9. television set comprises:
CPU is used to receive the volume that the user sends and adjusts signal and send it to the sound control unit;
The sound control unit is used for adjusting signal and adjusting the output amplitude that signal draws the voice output terminal according to this volume from described CPU volume of reception;
The voice output terminal is used to connect external voice box, and will be from the audio signal output of described sound control unit to described external voice box.
10. television set according to claim 9, it is characterized in that, also comprise memory in described television set, be used to store the mapping relations data between target volume value and the voice output terminal output amplitude, these mapping relations data are mapping chart or function curve; Described sound control unit is adjusted signal according to described volume and is determined the target volume value, and then obtains the output amplitude of described voice output terminal according to the mapping relations data.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA200710016531XA CN101370106A (en) | 2007-08-15 | 2007-08-15 | Sound volume control method for audio processing equipment and television set |
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| CNA200710016531XA CN101370106A (en) | 2007-08-15 | 2007-08-15 | Sound volume control method for audio processing equipment and television set |
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| CN101370106A true CN101370106A (en) | 2009-02-18 |
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| CNA200710016531XA Pending CN101370106A (en) | 2007-08-15 | 2007-08-15 | Sound volume control method for audio processing equipment and television set |
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Cited By (9)
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| CN102098017A (en) * | 2010-11-29 | 2011-06-15 | 深圳创维－Rgb电子有限公司 | Volume control circuit and device as well as multimedia equipment |
| CN103384316A (en) * | 2012-05-04 | 2013-11-06 | 瑞萨电子(中国)有限公司 | Television receiver and volume curve adjusting method thereof |
| CN103384317A (en) * | 2012-05-04 | 2013-11-06 | 瑞萨电子(中国)有限公司 | Television receiver and volume adjusting method thereof |
| CN103986821A (en) * | 2014-04-24 | 2014-08-13 | 小米科技有限责任公司 | Method, equipment and system for carrying out parameter adjustment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102098017A (en) * | 2010-11-29 | 2011-06-15 | 深圳创维－Rgb电子有限公司 | Volume control circuit and device as well as multimedia equipment |
| CN102098017B (en) * | 2010-11-29 | 2014-03-12 | 深圳创维－Rgb电子有限公司 | Volume control circuit and device as well as multimedia equipment |
| CN103384316A (en) * | 2012-05-04 | 2013-11-06 | 瑞萨电子(中国)有限公司 | Television receiver and volume curve adjusting method thereof |
| CN103384317A (en) * | 2012-05-04 | 2013-11-06 | 瑞萨电子(中国)有限公司 | Television receiver and volume adjusting method thereof |
| CN103986821A (en) * | 2014-04-24 | 2014-08-13 | 小米科技有限责任公司 | Method, equipment and system for carrying out parameter adjustment |
| CN104486570A (en) * | 2014-12-29 | 2015-04-01 | 康佳集团股份有限公司 | System of 5.1 sound track loudspeaker box matched with laser television and control method of system |
| CN105392050A (en) * | 2015-11-05 | 2016-03-09 | 深圳Tcl数字技术有限公司 | Adaptive bluetooth volume adjusting method and apparatus |
| CN105392050B (en) * | 2015-11-05 | 2019-03-12 | 深圳Tcl数字技术有限公司 | Bluetooth self-adapting volume control method and device |
| US10448093B2 (en) | 2015-11-05 | 2019-10-15 | Shenzhen Tcl Digital Technology Ltd. | Bluetooth adaptive volume adjusting method and device |
| CN106708041A (en) * | 2016-12-12 | 2017-05-24 | 西安Tcl软件开发有限公司 | Intelligent sound box and intelligent sound box directional movement method and device |
| CN112073879A (en) * | 2020-09-11 | 2020-12-11 | 成都极米科技股份有限公司 | Audio synchronous playing method and device, video playing equipment and readable storage medium |
| CN112637530A (en) * | 2020-12-09 | 2021-04-09 | 深圳创维－Rgb电子有限公司 | Bass and bass audio output method and device and television terminal |
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