CN205249424U - TV and realization voice output power automatic control's device - Google Patents
TV and realization voice output power automatic control's device Download PDFInfo
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- CN205249424U CN205249424U CN201520962423.1U CN201520962423U CN205249424U CN 205249424 U CN205249424 U CN 205249424U CN 201520962423 U CN201520962423 U CN 201520962423U CN 205249424 U CN205249424 U CN 205249424U
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Abstract
The utility model discloses a realize voice output power automatic control's device for isolate audio signal's signal separation device among the follow input frequency, the voltage amplitude whether voltage amplitude that is used for judging audio signal is less than first amplitude threshold value and will be less than first amplitude threshold value sends to amplitude increase device, and the voltage amplitude that perhaps will be not less than first amplitude threshold value sends to amplitude restraining device's judgement device, the voltage amplitude who is used for being less than first amplitude threshold value carries out the proportion and enlargies, and the amplitude that obtains voltage amplitude increase value increases the device, respectively with the amplitude restraining device that judges that device and amplitude increase device are connected for when voltage amplitude increase value or the voltage amplitude that is not less than first amplitude threshold value are greater than second amplitude threshold value, output presupposition voltage to audio output device, so that realize the output of sound, the sound sound control system that can realize exporting has improved user experience at a reasonable within range. The utility model also discloses a TV.
Description
Technical field
The utility model relates to sound regulation technology field, particularly relates to a kind of TV and realizes voice outputThe device that power is controlled automatically.
Background technology
In prior art, TV, in the time receiving input signal, can be isolated audio signal from input signal,Control the voice output power of TV by the voltage magnitude size of audio signal, and then realize this TV stationThe output of sound.
But, the audio signal strength of each TV station and the difference of audio coding mode, thus user causedIn the time of same volume switching channels, because the amplitude of the audio signal of each channel exists larger difference,While causing same volume, the voice output power difference of different channel is larger, there will be the channel sound having defeatedGo out very greatly, some channel voice outputs are very little. So just need user to switch to want to watch at every turn channel timeAll to go manually sound to be adjusted to suitable volume, reduce user's experience.
Therefore, how a kind of TV being provided and realizing the automatic device of controlling of voice output power is this area skillThe current technical issues that need to address of art personnel.
Utility model content
The purpose of this utility model is to provide a kind of device that voice output power is controlled automatically, Ke Yiyou of realizingEffect is avoided in the time of same volume switching channels, because the amplitude of the audio signal of each channel exists largerDifference and all will go manually sound to be adjusted to the event of suitable volume while causing the each switching channels of userGeneration, improved user's experience; Another object of the present utility model is to provide one and comprises the above-mentioned sound of realizingThe TV of the device that sound power output is controlled automatically.
For solving the problems of the technologies described above, the utility model provides one to realize voice output power and has automatically controlledDevice, comprising:
For isolate the signal separator of audio signal from incoming frequency;
For the voltage magnitude that judges described audio signal whether be less than the first amplitude thresholds and will be less than described inThe voltage magnitude of the first amplitude thresholds is sent to amplitude aggrandizement apparatus, or will be not less than described the first amplitude thresholdThe described voltage magnitude of value is sent to the judgment means of amplitude limitation device;
For the voltage magnitude that is less than described the first amplitude thresholds is carried out to ratio amplification, obtain voltage magnitude and increaseThe described amplitude aggrandizement apparatus of large value;
The described amplitude limitation device being connected with described judgment means and described amplitude aggrandizement apparatus respectively, usesIn being greater than second when described voltage magnitude increase value or the voltage magnitude that is not less than described the first amplitude thresholdsWhen amplitude thresholds, export predeterminated voltage to audio output device, to realize the output of sound, wherein, instituteState the first amplitude thresholds and be less than described the second amplitude thresholds.
Preferably, described amplitude aggrandizement apparatus is power amplifier.
Preferably, described amplitude limitation device is comparator.
Preferably, described audio output device comprises power amplifier and loudspeaker.
For solving the problems of the technologies described above, the utility model also provides a kind of TV, comprises as above-mentioned any oneThe described device of realizing the automatic control of voice output power.
A kind of voice output power device of control automatically of realizing that the utility model provides, by believing audio frequencyNumber voltage magnitude judge, according to judged result, the too small audio signal of voltage magnitude is amplified,The audio signal that voltage magnitude is excessive is carried out to amplitude limit, realized the automatic control to voice output power, energyEnough realization the Sound control of output in a rational scope, can effectively avoid cutting in same volumeWhile changing channel, because existing, the amplitude of the audio signal of each channel cause user to cut compared with large difference at every turnThe generation that all will go manually sound to be adjusted to the event of suitable volume while changing channel, has improved user's bodyTest.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below will be to prior art andIn embodiment, the accompanying drawing of required use is briefly described, and apparently, the accompanying drawing in the following describes onlyBe only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying creationUnder the prerequisite of property work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of voice output power structure of the device of control automatically that realizes that Fig. 1 provides for the utility modelSchematic diagram.
Detailed description of the invention
Core of the present utility model is to provide a kind of device that voice output power is controlled automatically, Ke Yiyou of realizingEffect is avoided in the time of same volume switching channels, because the amplitude of the audio signal of each channel exists largerDifference and all will go manually sound to be adjusted to the event of suitable volume while causing the each switching channels of userGeneration, improved user's experience; Another core of the present utility model is to provide one and comprises the above-mentioned sound of realizingThe TV of the device that sound power output is controlled automatically.
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with thisAccompanying drawing in utility model embodiment, carries out clear, complete to the technical scheme in the utility model embodimentGround is described, and obviously, described embodiment is the utility model part embodiment, instead of whole realitiesExecute example. Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative laborThe every other embodiment obtaining under moving prerequisite, belongs to the scope that the utility model is protected.
Please refer to Fig. 1, a kind of voice output power dress of control automatically of realizing that Fig. 1 provides for the utility modelThe structural representation of putting, this device comprises:
For isolate the signal separator 1 of audio signal from incoming frequency;
Be understandable that, signal separator 1 receives after input signal, from input signal, isolatesAudio signal. In addition, the signal that the input signal here can send from TV station, obtain or from logicalCross AV interface receive signal in obtain, from USB receive signal obtain and from YPBPR interface receiveIn signal, obtain, certainly, the input signal here can also be for obtaining in the signal receiving by other meansGet, the utility model is not done special restriction at this.
For judging whether the voltage magnitude of audio signal is less than the first amplitude thresholds and will be less than the first amplitudeThe voltage magnitude of threshold value is sent to amplitude aggrandizement apparatus 3, or will be not less than the voltage amplitude of the first amplitude thresholdsValue is sent to the judgment means 2 of amplitude limitation device 4;
For judging whether the voltage magnitude of audio signal is less than the first amplitude thresholds and will be not less than the first widthThe voltage magnitude of value threshold value is sent to the judgment means 2 of amplitude limitation device 4;
For the voltage magnitude that is less than the first amplitude thresholds is carried out to ratio amplification, obtain voltage magnitude increase valueAmplitude aggrandizement apparatus 3;
Judgment means 2 judges whether audio signal is less than the first amplitude thresholds, if so, this audio frequency is describedThe voltage magnitude of signal is too small, voltage magnitude need to be sent to amplitude aggrandizement apparatus 3, otherwise, by voltageAmplitude is sent to amplitude limitation device 4. Amplitude aggrandizement apparatus 3 carries out ratio amplification to voltage magnitude, obtains electricityPressure amplitude value increase value, and voltage magnitude increase value is sent to amplitude limitation device 4.
In addition, first amplitude thresholds here and the second amplitude thresholds that will mention are below all artificial rootsSet according to actual conditions, for example can get the first amplitude thresholds is 2V, certainly, the utility model forThe concrete numerical value of the first amplitude thresholds and the second amplitude thresholds does not do special restriction.
In addition, the ratio here can get 2, certainly, can also be other concrete numerical value, the utility modelDo not do special restriction at this.
The amplitude limitation device 4 being connected with judgment means 2 and amplitude aggrandizement apparatus 3 respectively, for working as voltageWhen amplitude increase value or the voltage magnitude that is not less than the first amplitude thresholds are greater than the second amplitude thresholds, output is pre-If voltage is to audio output device, to realize the output of sound, wherein, the first amplitude thresholds is less than secondAmplitude thresholds.
Amplitude limitation device 4 judges whether the voltage magnitude increase value or the voltage magnitude that receive are greater than secondWhen amplitude thresholds, if so, export predeterminated voltage to audio output device, to realize the output of sound.
As preferably, amplitude aggrandizement apparatus 3 is power amplifier.
As preferably, amplitude limitation device 4 is comparator.
As preferably, audio output device comprises power amplifier and loudspeaker.
A kind of voice output power device of control automatically of realizing that the utility model provides, by believing audio frequencyNumber voltage magnitude judge, according to judged result, the too small audio signal of voltage magnitude is amplified,The audio signal that voltage magnitude is excessive is carried out to amplitude limit, realized the automatic control to voice output power, energyEnough realization the Sound control of output in a rational scope, can effectively avoid cutting in same volumeWhile changing channel, because existing, the amplitude of the audio signal of each channel cause user to cut compared with large difference at every turnThe generation that all will go manually sound to be adjusted to the event of suitable volume while changing channel, has improved user's bodyTest.
With said apparatus embodiment accordingly, the utility model also provides a kind of TV, this TV comprisesThe device of realizing the automatic control of voice output power described above.
Particularly, please refer to for the description that realizes the automatic device of controlling of voice output power in this TVState device embodiment, do not repeat them here.
It should be noted that, in this manual, the relational terms such as the first and second grades is only usedAn entity or operation are separated with another entity or operating space, and not necessarily require or implyBetween these entities or operation, there is relation or the order of any this reality. And term " comprises "," comprise " or its any other variant is intended to contain comprising of nonexcludability, thereby make to comprise a series of wantingProcess, method, article or the equipment of element not only comprise those key elements, but also do not comprise and clearly listingOther key elements, or be also included as the intrinsic key element of this process, method, article or equipment.In the situation that there is no more restrictions, the key element being limited by statement " comprising ... ", and be not precluded within bagDraw together in process, method, article or the equipment of described key element and also have other identical element.
Professional can also further recognize, each example of describing in conjunction with embodiment disclosed hereinUnit and algorithm steps, can realize with electronic hardware, computer software or the combination of the two, forThe interchangeability of hardware and software is clearly described, retouch in general manner according to function in the above descriptionComposition and the step of each example are stated. These functions are carried out with hardware or software mode actually, depend onThe application-specific of technical scheme and design constraint. Professional and technical personnel can specifically should be used for to eachRealize described function with distinct methods, but this realization should not think exceed of the present utility modelScope.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use thisUtility model. To be aobvious and easy for those skilled in the art to the multiple amendment of these embodimentSee, General Principle as defined herein can be in the situation that does not depart from spirit or scope of the present utility modelUnder, realize in other embodiments. Therefore, the utility model will can not be restricted to shown in this article theseEmbodiment, but to meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. realize the device that voice output power is controlled automatically, it is characterized in that, comprising:
For isolate the signal separator of audio signal from incoming frequency;
For the voltage magnitude that judges described audio signal whether be less than the first amplitude thresholds and will be less than described inThe voltage magnitude of the first amplitude thresholds is sent to amplitude aggrandizement apparatus, or will be not less than described the first amplitude thresholdThe described voltage magnitude of value is sent to the judgment means of amplitude limitation device;
For the voltage magnitude that is less than described the first amplitude thresholds is carried out to ratio amplification, obtain voltage magnitude and increaseThe described amplitude aggrandizement apparatus of large value;
The described amplitude limitation device being connected with described judgment means and described amplitude aggrandizement apparatus respectively, usesIn being greater than second when described voltage magnitude increase value or the voltage magnitude that is not less than described the first amplitude thresholdsWhen amplitude thresholds, export predeterminated voltage to audio output device, to realize the output of sound, wherein, instituteState the first amplitude thresholds and be less than described the second amplitude thresholds.
2. the voice output power device of control automatically of realizing as claimed in claim 1, is characterized in that,Described amplitude aggrandizement apparatus is power amplifier.
3. the voice output power device of control automatically of realizing as claimed in claim 1, is characterized in that,Described amplitude limitation device is comparator.
4. the voice output power device of control automatically of realizing as claimed in claim 1, is characterized in that,Described audio output device comprises power amplifier and loudspeaker.
5. a TV, is characterized in that, comprise as described in claim 1-4 any one to realize sound defeatedGo out the device that power is controlled automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962423.1U CN205249424U (en) | 2015-11-26 | 2015-11-26 | TV and realization voice output power automatic control's device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962423.1U CN205249424U (en) | 2015-11-26 | 2015-11-26 | TV and realization voice output power automatic control's device |
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| Publication Number | Publication Date |
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| CN205249424U true CN205249424U (en) | 2016-05-18 |
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| CN201520962423.1U Active CN205249424U (en) | 2015-11-26 | 2015-11-26 | TV and realization voice output power automatic control's device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217899A (en) * | 2017-07-06 | 2019-01-15 | 成都鼎桥通信技术有限公司 | A kind of speech loudness method of adjustment and device |
-
2015
- 2015-11-26 CN CN201520962423.1U patent/CN205249424U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217899A (en) * | 2017-07-06 | 2019-01-15 | 成都鼎桥通信技术有限公司 | A kind of speech loudness method of adjustment and device |
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| C14 | Grant of patent or utility model | ||
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| CP03 | Change of name, title or address |
Address after: 518000 1st floor to 5th floor, building 1, No. 4023, Wuhe Avenue, Gangtou community, Bantian street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen kangguan Technology Co., Ltd Address before: 518000, Longgang District, Guangdong City, Buji province Shenzhen Village No. five and 1 North Avenue, workshop 1, A District, 2 B District Patentee before: Shenzhen KTC Computer Technology Co., Ltd. |
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| CP03 | Change of name, title or address |