CN103686015A - Volume adjustment method and system - Google Patents
Volume adjustment method and system Download PDFInfo
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- CN103686015A CN103686015A CN201310732453.9A CN201310732453A CN103686015A CN 103686015 A CN103686015 A CN 103686015A CN 201310732453 A CN201310732453 A CN 201310732453A CN 103686015 A CN103686015 A CN 103686015A
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Abstract
The invention discloses a volume adjustment method and system. The volume adjustment system comprises a sound driving device, a storage and a volume adjustment module. The sound driving device outputs sound playing signals according to a volume preset value. The storage stores a configuration file, the volume adjustment module is utilized to detect types of signal sources and acquire corresponding volume playing values from the configuration file according to the types of the signal sources to enable the sound driving device to output sound playing signals according to the volume playing values, so that different signal sources have identical playing volume on an audio-video device under the identical volume preset value.
Description
Technical field
The application relates to audio & video equipment technical field, is specifically related to a kind of volume adjusting method and system.
Background technology
Development along with mechanics of communication, the kind of the signal source interface configuring in the audio & video equipments such as TV, Set Top Box or high definition player increases day by day, for example in these audio & video equipments, conventionally dispose television interface, HDMI (High Definition Multimedia Interface) (High-definition Multimedia Interface, HDMI), VGA interface or network interface etc., the signal source type that these signal source interfaces receive is neither identical, and these signal sources have different signal transmission characteristicses.
Therefore,, when these signal sources are passed through audio & video equipment output sound under identical sound volume setting value, because the audio signal of each signal source can produce decay in various degree in transmission and processing procedure, thereby there is different broadcast sound volumes.So, in the operating process of audio & video equipment, if while switching, often can there is the suddenly big or suddenly small phenomenon of volume between different signal sources, allow the user must be with the switching of person's signal source, correspondingly adjust volume, and cause the inconvenience in use.What is more, for some signal source, even the volume preset value of audio & video equipment is transferred to maximum, still cannot reach expection volume, thereby cause audio & video equipment to lose volume adjusting function, and cannot normally use.
Summary of the invention
The application's technical problem to be solved is to provide a kind of volume adjusting method and system, by configuration file, recording each dissimilar signal source is worth corresponding to the volume broadcasting of volume preset value, and then allow each signal source can be under identical volume preset value, in audio & video equipment, with identical volume, play, thereby easily produce suddenly big or suddenly small problem when the volume that has solved audio & video equipment output is switched along with dissimilar signal source.
In order to address the above problem, the application has disclosed a kind of volume adjusting method, is applicable to audio & video equipment, and wherein audio & video equipment has a plurality of signal source interfaces, in order to be coupled to dissimilar signal source.Volume adjusting method comprises: by volume adjusting module loading configuration file, this configuration file records each dissimilar signal source corresponding to the volume broadcasting value of volume preset value; By the type in volume adjusting module detection signal source; Volume adjusting module, according to the type of volume preset value and signal source, is obtained corresponding volume broadcasting by configuration file and is worth; Volume adjusting module transmits volume broadcasting and is worth to sound driver device; And sound driver device is according to volume broadcasting value output sound play signal.
The application has also disclosed a kind of sound volume regulating system, is applicable to audio & video equipment, and wherein audio & video equipment has a plurality of signal source interfaces, in order to be coupled to dissimilar signal source.Sound volume regulating system comprises sound driver device, memory and volume adjusting module.Sound driver device is according to volume preset value output sound play signal.Memory is preserved configuration file, and this configuration file records each dissimilar signal source corresponding to the volume broadcasting value of volume preset value.Volume adjusting module is coupled to memory, sound driver device and a plurality of signal source interface, volume adjusting module is in order to loading configuration file, and according to the type of volume adjusting signal detection signal source, and by configuration file, obtain corresponding volume broadcasting and be worth, make sound driver device change with volume broadcasting value output sound play signal.
Compared with prior art, the application can obtain and comprise following technique effect:
The application's volume adjusting method and system, form by signal with different type source corresponding to the volume adjusting curve negotiating configuration file of volume preset value is stored in memory, allow the signal source of each type all there is corresponding volume broadcasting value according to different volume preset values, thereby when audio & video equipment is carried out volume adjusting, can sound volume setting value as benchmark, then according to different signal sources, provide corresponding volume broadcasting value, thereby the volume that allows these signal sources play back in audio & video equipment is consistent, and has stable quality of broadcasting.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, forms the application's a part, and the application's schematic description and description is used for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the block schematic diagram of the sound volume regulating system of the embodiment of the present application.
Fig. 2 is the volume adjusting method flow chart of the application's the first embodiment of the method.
Fig. 3 is the volume adjusting method flow chart of the application's the second embodiment of the method.
Fig. 4 is the volume adjusting method flow chart of the application's third method embodiment.
Embodiment
To coordinate drawings and Examples to describe the application's execution mode in detail below, by this application's implementation procedure how application technology means solve technical problem and reach technology effect can be fully understood and be implemented according to this.
As used some vocabulary in the middle of specification and claim, censure specific components.Those skilled in the art should understand, and hardware manufacturer may be called same assembly with different nouns.This specification and claims are not used as distinguishing the mode of assembly with the difference of title, but the difference in function is used as the criterion of distinguishing with assembly.If " comprising " mentioned in the middle of specification and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition " couple ", or " electric connection " word comprises directly any and electric property coupling means indirectly at this.Therefore, if describe a first device in literary composition, be coupled to one second device, represent that described first device can directly be electrically coupled to described the second device, or be indirectly electrically coupled to described the second device by other devices or the means that couple.Specification subsequent descriptions is for implementing the application's better embodiment, and right described description is to illustrate that the application's rule is object, not in order to limit the application's scope.The application's protection range is when being as the criterion depending on the claims person of defining.
Also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, commodity or the system that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, commodity or system.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, commodity or the system that comprises described key element and also have other identical element.
the application's application scenarios
When using TV, Set Top Box, DVD player or high definition player etc. to there is the audio & video equipment of signal with different type source interface, when the physical button by remote controller or audio & video equipment regulates volume, be applicable to the application's scheme.
embodiment describes
The application's volume adjusting method and system are applicable to TV, Set Top Box, DVD player or high definition player etc. and dispose a plurality of signal source interfaces and the audio & video equipment that is coupled to dissimilar signal source by these signal source interfaces.In following embodiment explanation, be take audio & video equipment as TV as an example, but not as limit.
As shown in Figure 1, the disclosed sound volume regulating system 100 of the embodiment of the present application comprises sound driver device 110, memory 120 and volume adjusting module 130.Sound driver device 110 in order to according to volume preset value output sound play signal to voice outputs such as the loud speaker of audio & video equipment 10 or loudspeaker, enable voice output device plays sound with predetermined volume according to sound play signal, the volume value adopting under general use state when wherein volume preset value is audio & video equipment 10 start, namely be shown in the volume value in user interface (user interface, UI).
Memory 120 is in order to preserve each dissimilar signal source corresponding to the volume adjusting curve of volume preset value; And preserve the configuration file (config file) forming according to these volume adjusting Curve transforms, wherein obtaining of configuration file can be first in memory, to preserve the volume adjusting curve of each dissimilar signal source, then by volume adjusting module invokes thread, by these volume adjusting Curve transforms, be configuration file, and be kept at memory.Therefore, in configuration file, recorded the volume broadcasting value of each dissimilar signal source corresponding to volume preset value.Due in audio & video equipment 10, volume preset value might not be applicable to all types of signal sources, that is to say, when dissimilar signal source is all carried out the sound broadcasting of rear end with same volume preset value, may be subject to the decay of audio signal or the impact of other audio frequency handling procedures, and produce different volume Output rusults.For example, when volume preset value is 20, at the upper shown volume value of user interface (UI), be namely 20 o'clock, TV signal source volume output in audio & video equipment can reach 20 decibels (dB); HDMI signal source can reach 40 decibels; VGA signal source can only reach 15 decibels; And network signal source may only reach 10 decibels, thereby while causing audio & video equipment 10 to switch, produce the suddenly big or suddenly small phenomenon of volume between dissimilar signal source.Therefore, in this application, for dissimilar signal source, according to volume preset value, configure corresponding volume adjusting curve respectively, and the form of volume adjusting curve negotiating configuration file is stored in memory, allows the signal source of each type all there is corresponding volume broadcasting value according to different volume preset values.Accordingly, when audio & video equipment 10 is switched between dissimilar signal source, can be according to the volume broadcasting value in the corresponding current demand signal of volume adjusting curve acquisition source, thereby allow each signal source when the sound that carries out rear end by corresponding volume broadcasting value is play, can there is identical or akin volume Output rusults, for example, under the state that is 20 at volume preset value, when the volume broadcasting value of HDMI signal source is 10, just can reach the volume effect of 20 decibels of outputs; The volume broadcasting value in network signal source will be set as 20, just can reach the volume effect of 20 decibels of outputs etc.
Volume adjusting module 130 is respectively coupled to sound driver device 120, memory 130 and each signal source interface 140, these signal source interfaces 140 in order to be coupled to dissimilar signal source, for example, are coupled to TV signal source by first signal source interface 141 respectively; By secondary signal interface 142, be coupled to HDMI signal source; By the 3rd signaling interface 143, be coupled to VGA signal source; And be coupled to network signal source etc. by the 4th signaling interface 144.
Volume adjusting module 130 in order to when audio & video equipment is started shooting from memory loading configuration file; Or when audio & video equipment is switched between unlike signal source, then from memory loading configuration file.In addition, volume adjusting module 130 is also in order to volume of reception conditioning signal, and according to the type in volume adjusting signal detection current demand signal source, wherein volume adjusting signal can be that the volume triggering by the sound volume setting devices such as physical button in remote controller or audio & video equipment 10 raises or lower tonal signal.
When volume adjusting module 130 is obtained after the type in current demand signal source, can be according to the type of signal source and volume preset value, in configuration file, obtain the corresponding volume broadcasting of signal source value therewith, sound driver device 110 is changed with volume broadcasting value output sound play signal.
Based on above-mentioned, the application's sound volume regulating system 100 is preserved each dissimilar signal source corresponding to the volume adjusting curve of volume preset value by memory 120; And the configuration file forming by these volume adjusting Curve transforms, allow the volume adjusting module 130 can be according to current signal source type and current volume preset value, in configuration file, obtain the preferred volume broadcasting value that is suitable for this signal source, enable voice drive unit 110 can volume broadcasting value replaces predetermined volume preset value and carrys out output sound play signal, thereby while allowing audio & video equipment 10 switch in unlike signal source, can play sound with stable volume, thereby solved the suddenly big or suddenly small problem of volume.
The method that by certain methods embodiment, the application's sound volume regulating system is realized to volume adjustment is below described further.
As shown in Figure 2, the volume adjusting method flow chart for the application's the first embodiment of the method, comprising:
Step S11, by volume adjusting module loading configuration file, this configuration file records each dissimilar signal source corresponding to the volume broadcasting value of volume preset value;
Step S12, by the type in volume adjusting module detection signal source;
Step S13, volume adjusting module, according to the type of volume preset value and signal source, is obtained corresponding volume broadcasting by configuration file and is worth;
Step S14, volume adjusting module transmits volume broadcasting and is worth to sound driver device; And
Step S15, sound driver device is according to volume broadcasting value output sound play signal.
Please refer to Fig. 1 and Fig. 2, in the volume adjusting method of the present embodiment, when audio & video equipment is started shooting, volume adjusting module 130 invokes thread are from memory cell 120 loading configuration file (step S11), and sound driver device 110 according to volume preset value output sound play signal predetermined in audio & video equipment to voice outputs such as loud speaker or loudspeaker, enable voice output device plays sound with predetermined volume according to sound play signal.Then, the type (step S12) of the current signal source coupling of volume adjusting module 130 detecting audio & video equipment 10.Then, according to detecting result, in configuration file, according to current volume preset value and current signal source type, obtain the volume broadcasting value (step S13) of corresponding this signal source.Then, volume adjusting module 130 transmits volume broadcasting and is worth to sound driver device 110 (step S14), make sound driver device 110 from original mode of volume preset value output sound play signal of passing through, change to according to the mode (step S15) of volume broadcasting value output sound play signal, thereby allow follow-up voice output when output sound, the volume that can mate current demand signal source is play.
What deserves to be explained is, although in the above-described embodiments, when volume adjusting module 130 is started shooting in audio & video equipment, detected in the lump the type of the current signal source coupling of audio & video equipment 10, but in other embodiment of the application, when can being also other events generations after audio & video equipment start, the type in detection signal source just carries out.
As shown in Figure 3, the volume adjusting method of the application's the second embodiment of the method comprises:
Step S21, by volume adjusting module loading configuration file, this configuration file records each dissimilar signal source corresponding to the volume broadcasting value of volume preset value;
Step S22, sound driver device is according to volume preset value output sound play signal to voice output, and enable voice output device plays sound with predetermined volume according to sound play signal;
Step S23, receives signal source switching signal by volume adjusting module;
Step S24, volume adjusting module is according to the type of signal source after signal source switching signal detecting switching;
Step S25, volume adjusting module, according to the type of volume preset value and signal source, is obtained corresponding volume broadcasting by configuration file and is worth;
Step S26, volume adjusting module transmits volume broadcasting and is worth to sound driver device; And
Step S27, sound driver device is according to volume broadcasting value output sound play signal.
Please refer to Fig. 1 and Fig. 3, the difference of the application's disclosed volume adjusting method of the second embodiment of the method and the first embodiment of the method is, after audio & video equipment 10 starts, first by sound driver device 110 with volume preset value output sound play signal to voice output, enable voice output device according to sound play signal with predetermined volume play sound (step S22).Then, when audio & video equipment 10 is switched between dissimilar signal source, and while switching to next signal source from current demand signal source, for example, while being switched to HDMI signal source from TV signal source, volume adjusting module 130 detects signal source switching signal (step S23) by correspondence, now, volume adjusting module is again according to the corresponding signal source type (step S24) detecting after switching of signal source switching signal, and then carry out follow-up according to detecting result in configuration file, obtain corresponding volume broadcasting value and by sound driver device 110 according to steps such as volume broadcasting value output sound play signal, thereby enable voice output device carries out sound broadcasting to be matched with the volume of the signal source after switching, and avoid producing the suddenly big or suddenly small problem of volume after signal source is switched, occur.
Or, as shown in Figure 4, be the volume adjusting method flow chart of the application's third method embodiment.The disclosed volume adjusting method of the application's third method embodiment comprises:
Step S31, by volume adjusting module loading configuration file, this configuration file records each dissimilar signal source corresponding to the volume broadcasting value of volume preset value;
Step S32, sound driver device is according to volume preset value output sound play signal to voice output, and enable voice output device plays sound with predetermined volume according to sound play signal;
Step S33, by volume adjusting module volume of reception conditioning signal;
Step S34, volume adjusting module is according to the type of volume adjusting signal detection signal source;
Step S35, volume adjusting module, according to the type of volume preset value and signal source, is obtained corresponding volume broadcasting by configuration file and is worth;
Step S36, volume adjusting module transmits volume broadcasting and is worth to sound driver device; And
Step S37, sound driver device is according to volume broadcasting value output sound play signal.
Please refer to Fig. 1 and Fig. 4, due in some cases, after audio & video equipment 10 starts, for current demand signal source, the original volume preset value of possibility is also applicable to the sound of this signal source and plays, so volume adjusting module 110 temporarily does not need to carry out the action of detection signal Source Type.Afterwards, when having volume adjusting demand, while triggering the volume adjusting signal of volume rise or downward by sound volume control devices such as the physical buttons in remote controller or audio & video equipment 10, represent that current volume preset value does not meet the broadcasting demand of this signal source, therefore when volume adjusting module receives (step S33) after volume adjusting signal, correspondence is detected the type (step S34) in current demand signal source.Then, by configuration file, obtain corresponding volume broadcasting value, volume broadcasting value be sent to sound driver device 110 and according to follow-up flow processs such as volume broadcasting value output sound play signal, enable voice output device is when output sound, volume with coupling current demand signal source is play, thereby the voice output of audio & video equipment 10 can be play with stable volume for the voice output in unlike signal source.
Above-mentioned explanation has illustrated and has described some preferred embodiments of the application, but as previously mentioned, be to be understood that the application is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in invention contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, change.And the spirit and scope that the change that those skilled in the art carry out and variation do not depart from the application, all should be in the protection range of the application's claims.
Claims (7)
1. a volume adjusting method, is applicable to audio & video equipment, and described audio & video equipment has a plurality of signal source interfaces, in order to be coupled to dissimilar signal source, it is characterized in that, described volume adjusting method comprises:
By volume adjusting module loading configuration file, described configuration file records each dissimilar described signal source corresponding to the volume broadcasting value of volume preset value;
By described volume adjusting module, detect the type of described signal source;
Described volume adjusting module, according to the type of described volume preset value and described signal source, is obtained corresponding described volume broadcasting by described configuration file and is worth;
Described volume adjusting module transmits described volume broadcasting and is worth to sound driver device; And
Described sound driver device is according to described volume broadcasting value output sound play signal.
2. volume adjusting method as claimed in claim 1, is characterized in that,
By described volume adjusting module, loading the operation of described configuration file, is to carry out when described audio & video equipment start.
3. volume adjusting method as claimed in claim 2, is characterized in that, also comprises:
When described audio & video equipment start, by described sound driver device, according to described volume preset value, export described sound play signal.
4. volume adjusting method as claimed in claim 1, is characterized in that, the operation of detecting the type of described signal source by described volume adjusting module comprises:
By described volume adjusting module volume of reception conditioning signal; And
Described volume adjusting module is according to the type of signal source described in described volume adjusting signal detection.
5. volume adjusting method as claimed in claim 1, is characterized in that, the operation of detecting the type of described signal source by described volume adjusting module comprises:
By described volume adjusting module, receive signal source switching signal; And
Described volume adjusting module is switched the type of rear signal source according to described signal source switching signal detecting.
6. volume adjusting method as claimed in claim 1, is characterized in that,
By described volume adjusting module, detecting the operation of the type of described signal source, is to carry out when described audio & video equipment start.
7. a sound volume regulating system, is applicable to audio & video equipment, and described audio & video equipment has a plurality of signal source interfaces, in order to be coupled to dissimilar signal source, it is characterized in that, described sound volume regulating system comprises:
Sound driver device, according to volume preset value output sound play signal;
Memory, preserves configuration file, and described configuration file records each dissimilar described signal source corresponding to the volume broadcasting value of described volume preset value; And
Volume adjusting module, be coupled to described memory, described sound driver device and described a plurality of signal source interface, described volume adjusting module is in order to load described configuration file, and according to the type of signal source described in volume adjusting signal detection, and by described configuration file, obtain corresponding described volume broadcasting and be worth, make described sound driver device change with described volume broadcasting value and export described sound play signal.
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