CN1901646A - TV set sound volume control method - Google Patents
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- CN1901646A CN1901646A CN 200610061464 CN200610061464A CN1901646A CN 1901646 A CN1901646 A CN 1901646A CN 200610061464 CN200610061464 CN 200610061464 CN 200610061464 A CN200610061464 A CN 200610061464A CN 1901646 A CN1901646 A CN 1901646A
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Abstract
This invention relates to a method for controlling volumes of TV, in which, the system includes a microprocessor, a storage, a 12C bus and a sound process chip, the volume control program includes two sets of parameters of different numbers, each one includes a maximum volume amplitude value and a volume adjustment step value, the volume control method includes the following steps: sending an instruction for converting volumes, storing the current volume control data of the sound process chip in the storage and calling another set of volume control data stored in the storage and using another set of parameters to replace the being used parameters in the volume control program. Users not only can limit the highest amplitude of the volume of the TV at night or other necessary time, but also can reduce the step of the adjustment to adjust the volume more accurately.
Description
Technical field
The present invention relates to TV technology, especially a kind of TV set sound volume control method.
Background technology
The limit of the patient noise of human body on average is no more than 65 decibels.China relevant department regulation, noise be 80 decibels to greatest extent.The noise of residential neighborhoods should not surpass 55 decibels in the daytime, should be lower than 45 decibels night.Yet the sound level of television set is than higher.The sound accompaniment of television set is generally the 50-70 decibel up to 85 decibels, though approach the limit of 55 decibels of the noises in the daytime of China regulation, is higher than 45 decibels of noise limits at night far away.Because night is quiet relatively, the sound of television set is easier to be received by people's ear, bigger to the influence of human body.For fear of the noise of television set the normal rest of household or surrounding resident is caused interference, watch night TV programme need turn volume down.
In general, television set has only a kind of volume control mode.This volume control mode can make television set from the noiseless volume maximum that is adjusted to.The user regulates volume quickly for convenience, and television set is corresponding to each keying signal, and the stride that volume is regulated is bigger.When this mode is a riot of sound by day, be very easily, but when night, the sound needs were very little, regulate just very inconvenient for most of users.In night less adjustable range, because the stride that volume is regulated is still very big, be difficult to finely tune accurately, often not that sound is too little, be exactly too loudly, can not reach gratifying regulating effect.But if in order to look after the needs of volume fine setting at night, will regulate stride and reduce, the time that finish the interval volume adjusting of whole volume change will be very long, and when television set used by day, it is very inconvenient that the user also can feel.
It is the patent application " the self-regulating method of television voice operation system volume " of CN200510013299.5 that the Chinese invention patent prospectus discloses application number on September 14th, 2005.This patent application disclosed method can make television voice operation system reduce automatically or recover volume according to the variation of environment round the clock, reduces noise pollution.But this method can only reduce total amplitude of volume automatically at night, but can not change the stride that volume is regulated.Consequently, when television set used at night, total noise be to have controlled, but, still can't finely tune accurately because the stride that volume is regulated does not change, be not that sound is too little, be exactly too loudly, can not reach gratifying volume regulating effect.Another shortcoming of this method is, utilizes clock to adjust automatically, and television set must have real-time clock, does not have the television set of real-time clock can not realize this function.Also have, adopt the method to need the user to be provided with, cumbersome in the operation.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of TV set sound volume control method, make the TV user can not only be according to the needs of environment, reduce the high-amplitude of tv volume, and can be when reducing the high-amplitude of tv volume, reduce the stride that tv volume is regulated, reach better volume regulating effect.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is that a kind of TV set sound volume control method, system for TV set comprise microprocessor, memory, I
2C bus, acoustic processing chip.Two groups of volume Control Parameter that numerical value is different are arranged in the volume control program, and every group of parameter comprises a volume amplitude of accommodation maximum and volume adjusting stride value, and described method for controlling volume may further comprise the steps:
A) send the volume conversion instruction;
B) the existing volume control data of acoustic processing chip is kept in the memory, calls another group simultaneously and be kept at volume control data in the memory;
C) in the volume control program, substitute parameter in usefulness with another group parameter.
Above-described TV set sound volume control method, described volume conversion instruction can be sent by the volume conversion function key on remote controller or this machine of television set.
Above-described TV set sound volume control method can also comprise step is set change-over time that after setting change-over time, described volume conversion instruction is controlled by timer, and microprocessor sends.Before the volume conversion instruction was sent, screen can eject prompting, was confirmed by the user.
Above-described TV set sound volume control method, in the different parameter of two groups of numerical values recited of volume control program, the ratio of two volume amplitude of accommodation maximum sizes is 2: 1 to 5: 1; The ratio that two volumes are regulated the stride value size is 2: 1 to 5: 1.
The present invention has compared following advantage with prior art:
1. TV user can not only be when night or other need, the high-amplitude of restriction tv volume, and can in the high-amplitude of restriction tv volume, reduce the stride that tv volume is regulated, reach more accurate volume regulating effect.
2. do not require that television set is equipped with real-time clock, does not have the television set of real-time clock can realize the volume translation function yet.
3. do not need the user to be provided with, just can realize the volume translation function as long as TV user clicks corresponding button; As long as click corresponding button again, just can cancel the volume translation function at any time, easy and simple to handle.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the flow chart of TV set sound volume control method of the present invention.
Fig. 2 is the flow chart of TV set sound volume control method embodiment 3 of the present invention.
Embodiment
The flow process of this method can be described in conjunction with Fig. 1.Volume conversion function key in program on definition remote controller or this machine of television set.In the television set course of work key scan handling procedure at any time monitor user ' whether pushed volume conversion function key on remote controller or this machine of television set.Desire realizes that the user of volume translation function at first will push the volume conversion function key on remote controller or this machine of television set, starts the volume conversion program.Microprocessor is at first changed volume control data, is about to the existing volume control data of acoustic processing chip and is kept in the memory, can recover existing volume status when its purpose is to carry out the volume conversion next time; Call another simultaneously and organize the volume control data that has been kept in the memory, recover the preceding original volume status of last volume conversion.In the volume control program, substitute volume Control Parameter in usefulness with another group volume Control Parameter, as the parameter in usefulness is that one group of volume amplitude maximum and volume are regulated the bigger parameter of stride value, then the substitute is one group of volume amplitude maximum and volume and regulates the less parameter of stride value.At this moment, not only reduce the high-amplitude of tv volume, and can when reducing the high-amplitude of tv volume, reduce the stride that tv volume is regulated.Television set is worked under less volume amplitude and volume adjusting stride.At this moment, whether television set key scan handling procedure has still pushed volume conversion function key on remote controller or this machine of television set in monitor user ', if the volume conversion function key that the user pushes on remote controller or this machine of television set once more starts the volume conversion program, the volume conversion program can repeat said process.Volume Control Parameter group in the volume control data of acoustic processing chip and the volume control program is changed once more, returns to initial state, and television set turns back to bigger volume amplitude and volume is regulated stride work down.
This method can also comprise step is set change-over time.Be provided with in the step in change-over time and be set change-over time, and time data is saved in the memory by the button on remote controller or this machine of television set.After setting change-over time, carry out time monitoring by timer.In case arrive the change-over time that is provided with, microprocessor sends the volume conversion instruction, carry out the volume conversion.
Embodiment 1:
The General Principle of television set control volume is that the multiplication factor of audio frequency amplifier is fixed, the output of television set microprocessor control sound process chip, the audio frequency signal amplitude that promptly enters audio frequency amplifier, the size of regulating tv volume.A register is arranged in the acoustic processing chip, and the data of this register-stored have determined the size of acoustic processing chip output, have also just determined the size of tv volume.Normally 8 of the register of control audio signal amplitude adjusting range, promptly 28 powers are totally 256 grades.If the user is when normal the use, totally 256 grades of meetings are very inconvenient from be transferred to maximum from minimum with sound so by button. mostly select the control of 0-100 or 0-64 level for use. whenever press primary key with respect to the user in other words, the control of screen display sound changes 1 grade, and the working control register changes the 2-4 level.For example, the sound control range of sound control chip NJW1136L is totally 256 grades of 28 powers, and the sound control strip that television set shows on screen is 64 grades.Whenever click the volume add-substract key, the stride increase and decrease of volume control is 4 grades.At this moment, be respectively 256 and 4 in volume amplitude of accommodation maximum and volume adjusting stride value with parameter group.The volume amplitude of accommodation maximum of another parameter group of present embodiment and volume are regulated stride value and are set at 64 and and 1 respectively.The ratio of the i.e. ratio of two volume amplitude of accommodation maximum sizes and two volumes adjusting stride value size is 4: 1.In order to realize this method, a button in program on the definition remote controller is the volume conversion function key, and the user is after pressing the volume conversion function key, and the television set microprocessor produces and interrupts, and starts the volume conversion program.Microprocessor is at first changed volume control data, is about to the existing volume control data of acoustic processing chip, is kept in the memory (EEPRAM), can recover existing volume status when its purpose is to carry out the volume conversion next time; Call another simultaneously and organize the volume control data that has been kept in the memory (EEPRAM), recover the preceding original volume status of last volume conversion.Simultaneously in the volume control program, substitute volume Control Parameter in usefulness with one group of less volume Control Parameter.At this moment, TV shows that on screen the sound control strip is still 64 grades, but at this moment whenever clicks the volume add-substract key, and the stride increase and decrease of volume control is 1 grade, and the scope of volume control is 64 grades, is original 1/4th.Afterwards, if the volume conversion function key that the user pushes on the remote controller once more starts the volume conversion program, the volume conversion program can repeat said process.Volume Control Parameter group in the volume control data of acoustic processing chip and the volume control program is changed once more, the actual volume of television set returns to data and is saved in original state in the memory (EEPRAM) recently, and television set turns back to the states work down that 256 grades of volume amplitudes and volume are regulated 4 grades of strides.
Embodiment 2:
The sound control range of sound control chip NJW1136L is totally 256 grades of 28 powers, and the sound control strip that television set shows on screen is 64 grades.Whenever click the volume add-substract key, the stride increase and decrease of volume control is 4 grades.At this moment, be respectively 256 and 4 in volume amplitude of accommodation maximum and volume adjusting stride value with parameter group.The volume amplitude of accommodation maximum of another parameter group of present embodiment and volume are regulated stride value and are set at 128 and and 2 respectively.The ratio of the i.e. ratio of two volume amplitude of accommodation maximum sizes and two volumes adjusting stride value size is 2: 1.
The scope that the ratio of volume amplitude of accommodation maximum size and two volumes are regulated the ratio of stride value size can adopt different numerical value according to the chip of volume control is different.For example, can adopt 3: 1 2.5: 1 or 5: 1 etc. respectively.
For the television set that real-time clock is arranged, can realize volume control auto-conversion function.At this moment, comprise step is set change-over time, in the time setup menu, set change-over time after, described volume conversion instruction is controlled by timer, microprocessor sends.Before the volume conversion instruction was sent, screen can eject prompting, was confirmed by the user, also can directly send the volume conversion instruction and change.
Embodiment 3:
The television set that real-time clock is arranged, be in program definition time setup menu key, time key, acknowledgement key and ESC Escape are set.Will be in the time setup menu during work key assignments change-over time and change-over time at night in the daytime be set with the time.Supposing in this example that change-over time and change-over time at night are respectively in the daytime is set at 7:00 and 22:00, confirm data are saved in the memory by acknowledgement key, and disengaging time setup menu.
The workflow of present embodiment as shown in Figure 2.Television set is under normal broadcast state, and whether the time of timer monitoring real-time clock is identical with arbitrary change-over time of memory preservation.Clock is 22:00 in the time of strictly according to the facts, and arrive change-over time at night, checks then whether current volume control model is Night (Night uses the less volume Control Parameter group of numerical value), as for not, eject a prompting on video screen, " being about to enter night mode " is to remind the user.The user can keep the normal volume status of TV by ESC Escape as not wanting to reduce volume; Otherwise after several seconds, system promptly sends the volume limitations instruction, and the volume Control Parameter group in the volume control data of acoustic processing chip and the volume control program is changed, and television set enters volume control model at night automatically.As to be checked through current volume control model be Night, then ejects a prompting on video screen, and " being about to withdraw from night mode " is with the prompting user.This moment, the user still as wanting to keep the TV small volume, just can push ESC Escape, kept TV small volume state.If real-time clock is 7:00, arrive change-over time in the daytime, when checking that current volume control model is Night, eject a prompting on the video screen, " being about to withdraw from night mode ", prompting user.User such as attonity, then system changes automatically, recovers normal mode of operation, with big volume playback.Still wish to keep small volume as the user, can keep the work on hand state by ESC Escape.
Claims (5)
1. TV set sound volume control method, system for TV set comprises microprocessor, memory, I2C bus, acoustic processing chip, it is characterized in that, two groups of volume Control Parameter that numerical values recited is different are arranged in the volume control program, every group of parameter comprises a volume amplitude maximum and volume adjusting stride value, and described method for controlling volume may further comprise the steps:
A) send the volume conversion instruction;
B) the existing volume control data of acoustic processing chip is kept in the memory, calls other one group of acoustic processing chip volume control data that is kept in the memory simultaneously.
C) in the volume control program, use another group parameter to substitute and using parameter.
2. TV set sound volume control method according to claim 1 is characterized in that, described volume conversion instruction is sent by the volume conversion function key on remote controller or this machine of television set.
3. TV set sound volume control method according to claim 1 is characterized in that, also comprises step is set change-over time, and after setting change-over time, described volume conversion instruction is controlled by timer, and microprocessor sends.
4. according to the described TV set sound volume control method of arbitrary claim in the claim 1 to 3, it is characterized in that before the volume conversion instruction was sent, screen ejected prompting, is confirmed by the user.
5. according to the described TV set sound volume control method of arbitrary claim in the claim 1 to 3, it is characterized in that in the different parameter of two groups of numerical values recited of volume control program, the ratio of two volume amplitude of accommodation maximum sizes is 2: 1 to 5: 1; The ratio that two volumes are regulated the stride value size is 2: 1 to 5: 1.
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| CN 200610061464 CN1901646A (en) | 2006-06-30 | 2006-06-30 | TV set sound volume control method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729822A (en) * | 2008-10-30 | 2010-06-09 | 康佳集团股份有限公司 | Information prompt method and device for television and television |
| CN101969299A (en) * | 2010-08-25 | 2011-02-09 | 青岛海信电器股份有限公司 | Volume adjusting method and electronic equipment |
| CN102202198A (en) * | 2011-06-29 | 2011-09-28 | 深圳Tcl新技术有限公司 | Method and device for automatically adjusting volume |
| CN101552595B (en) * | 2008-03-31 | 2011-12-07 | 联想(北京)有限公司 | Electronic product volume regulating method and device thereof |
| CN102307326A (en) * | 2011-05-05 | 2012-01-04 | 四川长虹电器股份有限公司 | Method for balancing volume output difference |
| CN101635561B (en) * | 2009-08-19 | 2012-03-21 | 青岛海信电器股份有限公司 | Audio play device and volume control method |
| CN101350604B (en) * | 2007-07-19 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Apparatus and method for automatically switching volume control mode |
| CN104579247A (en) * | 2015-01-15 | 2015-04-29 | 广东美的制冷设备有限公司 | Buzzer volume control method and control system |
| CN105739942A (en) * | 2016-01-29 | 2016-07-06 | 深圳市金立通信设备有限公司 | Volume adjusting method and terminal |
| CN107145221A (en) * | 2017-03-29 | 2017-09-08 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN107708036A (en) * | 2017-11-08 | 2018-02-16 | 深圳市康冠商用科技有限公司 | The adjustment method and device of audio frequency apparatus power output |
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2006
- 2006-06-30 CN CN 200610061464 patent/CN1901646A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101350604B (en) * | 2007-07-19 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Apparatus and method for automatically switching volume control mode |
| US8249277B2 (en) | 2007-07-19 | 2012-08-21 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Apparatus capable of switching volume adjustment mode automatically and volume adjustment method thereof |
| CN101552595B (en) * | 2008-03-31 | 2011-12-07 | 联想(北京)有限公司 | Electronic product volume regulating method and device thereof |
| CN101729822A (en) * | 2008-10-30 | 2010-06-09 | 康佳集团股份有限公司 | Information prompt method and device for television and television |
| CN101635561B (en) * | 2009-08-19 | 2012-03-21 | 青岛海信电器股份有限公司 | Audio play device and volume control method |
| CN101969299A (en) * | 2010-08-25 | 2011-02-09 | 青岛海信电器股份有限公司 | Volume adjusting method and electronic equipment |
| CN102307326A (en) * | 2011-05-05 | 2012-01-04 | 四川长虹电器股份有限公司 | Method for balancing volume output difference |
| CN102307326B (en) * | 2011-05-05 | 2013-06-19 | 四川长虹电器股份有限公司 | Method for balancing volume output difference |
| CN102202198A (en) * | 2011-06-29 | 2011-09-28 | 深圳Tcl新技术有限公司 | Method and device for automatically adjusting volume |
| CN104579247A (en) * | 2015-01-15 | 2015-04-29 | 广东美的制冷设备有限公司 | Buzzer volume control method and control system |
| CN105739942A (en) * | 2016-01-29 | 2016-07-06 | 深圳市金立通信设备有限公司 | Volume adjusting method and terminal |
| CN107145221A (en) * | 2017-03-29 | 2017-09-08 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN107708036A (en) * | 2017-11-08 | 2018-02-16 | 深圳市康冠商用科技有限公司 | The adjustment method and device of audio frequency apparatus power output |
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Open date: 20070124 |