CN1567985A - Method for turning down sound volume of audio-visual apparatus - Google Patents
Method for turning down sound volume of audio-visual apparatus Download PDFInfo
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- CN1567985A CN1567985A CNA03148946XA CN03148946A CN1567985A CN 1567985 A CN1567985 A CN 1567985A CN A03148946X A CNA03148946X A CN A03148946XA CN 03148946 A CN03148946 A CN 03148946A CN 1567985 A CN1567985 A CN 1567985A
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Abstract
The invention discloses a method for reducing volume on a audio and visual device, it displays the volume output value through particular switch of volume output and screen control display, releases the mute state in some condition, and accords the volume demands of peripheral environment.
Description
Technical field
The present invention relates to a kind of volume and turn down method, particularly a kind of audio-visual apparatus is turned down the method for volume when keeping mute state.
Background technology
Television set and every multi-media display flourish today, the user has increasing chance to view and admire TV and Video CD program, yet according to the different environment of viewing and admiring, the volume of television set also must be done the adjustment of appropriateness to meet the environment of viewing and admiring at that time, for example when the background noise of viewing and admiring environment is big, the volume of television set must be transferred the sound that just can catch program greatly, and background noise hour, suitably turns the volume of television set down can reach identical audibility.Sometimes do not wish other man-hour of sound interference of program, even also will open mute function.
Generally turning down the operating process of the screen control demonstration (OSD) of volume can utilize finite state machine (Finite State Machine) to describe its behavior; The screen control display operation flow process of relevant volume adjustment of existing television set and quiet control is shown in Fig. 1 a, Fig. 1 b, Fig. 1 c, and MUTE (mute state) and VOLUME GAUGE (volume adjustment state) are two independently screen control show states.No matter yet the operation of under mute state, heightening or turning down as volume, mute state also is disengaged simultaneously.
Please refer to Fig. 1 a, three screen control of explanation show state is respectively idle (IDLE) among the figure, and quiet (MUTE) and volume adjustment (VOLUME GAUGE) are described as follows:
1. idle state: screen control display frame does not show the state of any information and icon.
2. mute state: the volume of television set is interrupted output.
3. volume is adjusted state: have a numeral and ruler to represent present volume percentile rank respective value and the auxiliary display graphics of quantification respectively.
Three remote controller keys relevant with sound control are arranged among Fig. 1 a, are described as follows:
Quiet key: this button if be not mute state at present, promptly enters mute state by quiet key in order to switch mute state, promptly cuts off the output of sound; If be mute state at present, promptly remove mute state by quiet key, promptly start the output of sound.
Volume is turned down key: this button is in order to turn down the voice output parameter, so as to reducing volume.
Volume is heightened key: this button is in order to heighten the voice output parameter, so as to improving volume.
With reference to three feature operations among Fig. 1 b, Fig. 1 c, comprise operation A, operation B and operation C and be respectively that operation is turned down in quiet operation, sound and sound is heightened operation, be described as follows:
Operation A: if be not mute state at present, promptly cut off voice output, enter mute state (MUTE) by quiet key; If be mute state at present, promptly remove mute state by quiet key, start voice output, screen control show state is got back to idle state.
Operation B: control sound loop, reduce a grade with volume, and upgrade the volume numerical value that screen control shows; If be in mute state originally, then remove mute state, start voice output.Judge after the function executing whether present screen control show state is that volume is adjusted state.When current state is volume adjustment state, upgrade volume status information, if not the volume that then enters on-screen displays is adjusted state.
Operation C: control sound loop increases a grade with volume, and upgrades the volume numerical value that screen control shows.If be in mute state originally, then remove mute state, open voice output.Judge after the function executing whether present screen control show state is that volume is adjusted state.When current state is volume adjustment state, upgrade volume status information, if not the volume that then enters on-screen displays is adjusted state.
Such design can cause the puzzlement in the use under some application conditions, for example when the daytime was seen TV, the outside was bustling with vehicles, and environmental noise is big, so just the volume of television set is transferred greatly, finishes watching program and gos out with regard to the closing television machine.Wait until when go home to turn on television set evening, because environmental noise is little, think that relatively volume is too high, volume must be turned down, so make television set enter mute state by quiet key earlier, turn down key by volume continuously again, volume is successively decreased, but when turning down key by volume, because mute state is removed, so sound is exported in the process under volume is successively decreased always, cause the user in operation, usually can't adjust the volume of audio-visual apparatus by acceptable process according to present environmental demand.
Summary of the invention
The technical problem that institute of the present invention desire solves is, how can suitably adjust volume to meet the prevailing circumstances demand under the volume status, in view of this, the present invention removes the mechanism of mute state by conditional, and the control of collocation screen shows that (OSD) shows corresponding volume output valve, so as to reaching the purpose that is adjusted to suitable volume under the environmental demand in meeting.
Above-mentioned purpose of the present invention is achieved in that a kind of volume of audio-visual apparatus turns down method, and this device stores the volume parameters of a voice signal output parameter, wherein, includes the following step:
Receive a mute signal, audio-visual apparatus enters mute state;
Receive a sound and turn down signal, turn down this voice signal output parameter, keep audio-visual apparatus simultaneously in mute state;
Changing this voice signal output parameter is a volume status information, shows this volume status information on the display screen of audio-visual apparatus, keeps audio-visual apparatus simultaneously in mute state.
The volume of audio-visual apparatus of the present invention is turned down method, and wherein, the mute state of described device is to be pressed the mute state switching signal that produced and to take place by receiving a function key.
The volume of audio-visual apparatus of the present invention is turned down method, and wherein, described function key is a quiet key.
The volume of audio-visual apparatus of the present invention is turned down method, and wherein, the disengaging of described device mute state is by receiving that a sound is heightened signal and the output that starts sound.
The volume of audio-visual apparatus of the present invention is turned down method, and wherein, described mute state information is that control is presented on the show image of audio-visual apparatus by a screen.
The volume of audio-visual apparatus of the present invention is turned down method, and wherein, described volume status information is that control is presented on the show image of audio-visual apparatus by a screen.
The volume of audio-visual apparatus of the present invention is turned down method, and wherein, described volume status information includes a volume percentile rank respective value.
The volume of audio-visual apparatus of the present invention is turned down method, and wherein, described volume status information includes one and quantizes auxiliary display graphics.
As mentioned above, the volume of audio-visual apparatus of the present invention is turned down method, comprise the steps, at first receive sound and turn down signal, turn down the voice signal output parameter, keep audio-visual apparatus simultaneously in mute state, changing the voice signal output parameter again is volume status information, and the demonstration volume status information is also kept audio-visual apparatus simultaneously in mute state on the display screen of audio-visual apparatus.
Description of drawings
Fig. 1 a is the state exchange relation of known audio-visual apparatus and adjusts the volume button functional schematic;
Fig. 1 b is the flow chart of steps of the quiet key start-up operation of explanation;
Fig. 1 c is that the explanation volume is heightened the flow chart of steps that key, volume are turned down the key start-up operation;
Fig. 2 a is that the volume of explanation audio-visual apparatus of the present invention is turned down method flow diagram;
The applied audio-visual apparatus hardware structure of Fig. 2 b explanation the inventive method schematic diagram;
Fig. 3 illustrates the volume mode of operation and the function key schematic diagram of actual audio-visual apparatus of the present invention;
The schematic diagram that Fig. 4 a shows for mute state information;
Fig. 4 b is a volume state of a control information displayed map under the silent mode; And
Fig. 4 c is a volume state of a control information displayed map under the non-silent mode.
Embodiment
Relate to following figure number in Fig. 1 a to Fig. 4 c of the present invention: CPU 8, memory 10, voice output unit 12, screen control show (OSD) 14, sound source signal processor 16.
Shown in Fig. 2 a, Fig. 2 a is the applied audio-visual apparatus hardware structure of a inventive method schematic diagram, each original paper is to set up signal by control bus to connect in its audio-visual apparatus, desiring to be transferred under the mute state of audio-visual apparatus, promptly receive after the user presses the information of quiet key, produce quiet switching signal and drive the mute state parameter that CPU 8 changes in the system storage 10, and the voice output state of switching voice output unit 12, interrupt voice output, utilize screen control to show that (OSD) 14 starts the demonstration of mute state information, its mute state information shows shown in Fig. 4 a; Under this mute state, CPU 8 receives sound and turns down signal, turn down the voice output parameter and present result is stored in memory 10 by control bus control sound source signal processor 16, keep audio-visual apparatus simultaneously in mute state (step 100), receiving after a sound turns down signal at every turn, reduce by a grade again according to present sound output parameter value in the memory 10 immediately, yet reduce in the process of voice output parameter, the output that does not start sound is switched.
Conversion voice signal output parameter is a volume status information, utilize screen control to show that (OSD) 14 shows that volume status information is on the display screen of audio-visual apparatus, keep audio-visual apparatus simultaneously in mute state (step 200), according to adjusted voice output parameter, produce the corresponding volume status information of volume status value at present, comprise volume percentile rank respective value and quantize auxiliary display graphics, as Fig. 4 b, and show that by screen control (OSD) is on screen, provide the user as the vision foundation of adjusting volume, its screen control shows that (OSD) is in order to the adjustment foundation as the acoustic information invisible export, so as to allowing the user when being adjusted to suitable volume value, relend the output of being heightened key or quiet key startup sound by sound, reach in the adjustment process, volume output meets the purpose of environmental demand.As for the miscellaneous part shown in Fig. 2 is known technology, is therefore no longer illustrated at this.
Shown in Fig. 2 b, be that the volume of audio-visual apparatus of the present invention is turned down the method step flow chart.Its step comprises:
Step 100: receive a mute signal, audio-visual apparatus enters mute state;
Step 200: receive a sound and turn down signal, turn down this province's tone signal output parameter, keep audio-visual apparatus simultaneously in mute state;
Step 300: changing this voice signal output parameter is a volume status information, shows this volume status information on the display screen of audio-visual apparatus, keeps audio-visual apparatus simultaneously in mute state.
Followingly illustrate according to embodiments of the invention:
Please refer to Fig. 3, relation between button and the state of a control is described, include four screen control show states, be respectively that volume controls volume control (NON-MUTE VOLUMEGAUGE) under (MUTEVOLUME GAUGE) and the non-silent mode under idle (IDLE), quiet (MUTE), the silent mode, it is described as follows
1. idle state: screen control shows any volume status information.
2. mute state: the volume status information under this state shows that as the screen control of Fig. 4 a this moment, television set was in mute state.
3. volume state of a control under the silent mode: the volume status information under this state, screen control as Fig. 4 b shows, there are a numeral and ruler to represent present volume numerical value and this numerical value to account for the ratio of max volume respectively, and have a little graphic representation still to be in mute state at present.
4. volume state of a control under the non-silent mode: the volume status information under this state, screen control as Fig. 4 c shows, there are a numeral and ruler to represent present volume numerical value and this numerical value to account for the ratio of max volume respectively, and have a little graphic representation to be in non-mute state at present.
The operating key (comprise remote controller and non-remote controller) relevant in the system with sound, be respectively that quiet key (MUTE), volume are turned down (VOL_MINUS) and volume is heightened (VOL_PLUS), three feature operations of master control, be respectively quiet operation, volume turn down operation, and volume turn down operation, be described as follows:
1. quiet operation: if be not mute state at present, close voice output by quiet key, if be in mute state at present, promptly open voice output by quiet key, the transfer of screen control show state please refer to Fig. 3.
2. volume is turned down operation: control sound loop, reduce a grade with volume, and upgrade the volume numerical value that screen control shows; If be in mute state originally, do not remove mute state, still close voice output.Screen control show state shifts and please refer to Fig. 3 after the function executing.
3. volume is heightened operation: control sound loop increases a grade with volume, and upgrades the volume numerical value that screen control shows; If be in mute state originally, remove mute state, open voice output.Screen control show state shifts and please refer to Fig. 3 after the function executing.
Its difference place of pressing the practical operation step of quiet key and well-known operations flow process is for after at first receiving quiet switching signal, can judge present mode of operation, if be idle state, then cut off the output of sound, and enter the mute state that screen control shows (OSD); If be mute state at present, then start the output of sound, and enter the idle state that screen control shows according to quiet switching signal; As if being at present that quiet volume is adjusted state, then start the output of sound, and enter the non-quiet volume adjustment state that screen control shows; If be that non-quiet volume is adjusted state, then cut off the output of sound, and enter the mute state that screen control shows.
The operating procedure that its volume is turned down key is for when pressing volume and turn down key, shows that the non-quiet volume adjustment state of (OSD) turns down volume if present state, then enters screen control for idle, and renewal and show corresponding volume status information; If present state is quiet, then enter quiet volume and adjust state model, keep sound do not export and in during turn down volume, and upgrade and show corresponding volume status information; If be that quiet volume is adjusted state at present, then directly turn down volume and show corresponding volume status information; Adjust state if current state is non-quiet volume, then under the state of voice output, carry out volume and turn down, and show corresponding volume status information; In addition, under the mute state and under the quiet volume adjustment state, also can heighten the output that key starts sound, so as to removing mute state by pushing volume.
The above only is the present invention's preferred embodiment wherein, is not to be used for limiting practical range of the present invention; Every equalization of being done according to the present patent application claim changes and modifies, and all is encompassed in the scope of patent protection of the present invention.
Claims (8)
1. the volume of an audio-visual apparatus is turned down method, and this device stores the volume parameters of a voice signal output parameter, it is characterized in that, includes the following step:
Receive a mute signal, audio-visual apparatus enters mute state;
Receive a sound and turn down signal, turn down this voice signal output parameter, keep audio-visual apparatus simultaneously in mute state;
Changing this voice signal output parameter is a volume status information, shows this volume status information on the display screen of audio-visual apparatus, keeps audio-visual apparatus simultaneously in mute state.
2. the volume of audio-visual apparatus as claimed in claim 1 is turned down method, it is characterized in that the mute state of described device is to be pressed the mute state switching signal that produced and to take place by receiving a function key.
3. the volume of audio-visual apparatus as claimed in claim 2 is turned down method, it is characterized in that, described function key is a quiet key.
4. the volume of audio-visual apparatus as claimed in claim 1 is turned down method, it is characterized in that, the disengaging of described device mute state is by receiving that a sound is heightened signal and the output that starts sound.
5. the volume of audio-visual apparatus as claimed in claim 1 is turned down method, it is characterized in that, described mute state information is that control is presented on the show image of audio-visual apparatus by a screen.
6. the volume of audio-visual apparatus as claimed in claim 1 is turned down method, it is characterized in that, described volume status information is that control is presented on the show image of audio-visual apparatus by a screen.
7. the volume of audio-visual apparatus as claimed in claim 6 is turned down method, it is characterized in that, described volume status information includes a volume percentile rank respective value.
8. the volume of audio-visual apparatus as claimed in claim 7 is turned down method, it is characterized in that, described volume status information includes one and quantizes auxiliary display graphics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA03148946XA CN1567985A (en) | 2003-06-30 | 2003-06-30 | Method for turning down sound volume of audio-visual apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA03148946XA CN1567985A (en) | 2003-06-30 | 2003-06-30 | Method for turning down sound volume of audio-visual apparatus |
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| Publication Number | Publication Date |
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| CN1567985A true CN1567985A (en) | 2005-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA03148946XA Pending CN1567985A (en) | 2003-06-30 | 2003-06-30 | Method for turning down sound volume of audio-visual apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435207C (en) * | 2005-10-21 | 2008-11-19 | 神基科技股份有限公司 | Circuit structure to deal with popping of flat display device |
| CN108182097A (en) * | 2016-12-08 | 2018-06-19 | 武汉斗鱼网络科技有限公司 | The implementation method and device of a kind of volume bar |
| CN108605156A (en) * | 2016-01-25 | 2018-09-28 | 汤姆逊许可公司 | Method for audio detection and corresponding equipment |
-
2003
- 2003-06-30 CN CNA03148946XA patent/CN1567985A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435207C (en) * | 2005-10-21 | 2008-11-19 | 神基科技股份有限公司 | Circuit structure to deal with popping of flat display device |
| CN108605156A (en) * | 2016-01-25 | 2018-09-28 | 汤姆逊许可公司 | Method for audio detection and corresponding equipment |
| CN108605156B (en) * | 2016-01-25 | 2022-11-15 | 交互数字麦迪逊专利控股公司 | Method for audio detection and corresponding device |
| CN108182097A (en) * | 2016-12-08 | 2018-06-19 | 武汉斗鱼网络科技有限公司 | The implementation method and device of a kind of volume bar |
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