CN102299693B - Message adjustment system and method - Google Patents
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- CN102299693B CN102299693B CN201010222749.2A CN201010222749A CN102299693B CN 102299693 B CN102299693 B CN 102299693B CN 201010222749 A CN201010222749 A CN 201010222749A CN 102299693 B CN102299693 B CN 102299693B
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Abstract
The invention discloses a message adjustment method, wherein, an output message is output by an input message according to a message regulation and control parameter; and the output message comprises an output message level. The message adjustment method comprises the following steps: deciding an environmental noise level; calculating the proportion of the environmental noise level and the output message level to obtain a measurement value; comparing the measurement value with a predetermined threshold value, wherein the predetermined threshold value is a sound comfortable value; and deciding whether the message regulation and control parameter is adjusted or not according to the compared result of the measurement value and predetermined threshold value, if so, adjusting the message regulation and control parameter and outputting the output message according to the adjusted message regulation and control parameter. The message adjustment method can be used for adjusting the output message according to the requirements of different users under different environments.
Description
【Technical field】
The present invention is a kind of relevant message adjustment system and method, and a kind of particularly relevant being dynamically adjusted exports message
Message adjustment system and method.
【Background technology】
Now, general video-audio playing device such as TV or flat-panel screens has become indispensable in modern's amusement and recreation
One of instrument, such as combine the function of TV and flat-panel screens, make the video-audio playing device to watch television channel and again may be used
Use as computer screen.With the development of kinds of displays element and image processing technique, video-audio playing device can reach
To the image and sound of approaching to reality.But, whether volume intensity is suitable, and the hearing experience overall for user is critically important
Key factor.
Due to the impact of external environment noise, may force the user need to continually to the output sound of video-audio playing device
Amount intensity is adjusted, such as when external environment noise is larger, user is needed manually by output volume to understand the sense of hearing
Intensity is tuned up；Conversely, working as the external environment noise RPH, user needs manually the intensity of output volume to be turned into little again, output
The change of volume intensity has to that demand of the user to volume suitability degree can be met.Frequently situation is changed in environmental noise
Under, user is accomplished by constantly adjusting output volume intensity manually, so increased inconvenience when viewing and admiring.Although existing at present
The design of some multimedia systems can export message intensity according to environmental noise come adjust automatically, but it cannot make in response to difference
The personal like of user and different noisy environments are often unable to reach efficient sound changing the intensity of output volume
Measure and adjust and meet demand of the user to volume suitability degree, or system design is excessively complicated, so that user is operationally
It is inconvenient and its manufacturing cost is also higher.
【The content of the invention】
One purpose of the present invention is to provide a kind of message adjustment system and method, it is adaptable to which shadow/sound playing device, it can
Output message intensity that is automatic and dynamically adjusting the shadow/sound playing device.
Another object of the present invention is to provide a kind of message adjustment system and method, it is adaptable to shadow/sound playing device, its
The output sound of the shadow/sound playing device can be adjusted according to the personal like of different users and/or under different noisy environments
News intensity, closer to the viewing behavior of user.
To reach above-mentioned purpose, the present invention provides a kind of message method of adjustment, it is adaptable on an electronic installation, and the electronics
Device is used to receive at least one input message, and the message method of adjustment includes step：
Using the outside of the message sensor detecting electronic installation voice signal and transfer to a message processor；
Produce one and export sound according at least one input message and message regulation and control parameter correspondence using the message processor
News, the output message has an output message level, and the message processor is simultaneously electric by the external voice signal and the output message
Flat pass and give a microprocessor；
Calculated with CL Compare Logic unit to determine an environment according to the external voice signal using the microprocessor control one
Noise level, the microprocessor simultaneously passes the environmental noise level back the message processor；
The environmental noise level is calculated using the message processor produce one with corresponding with the ratio of the output message level
Measuring value；
The measuring value threshold values predetermined with is compared using the microprocessor；And
Using the microprocessor according to the measuring value and the comparative result of the predetermined threshold values, to decide whether to adjust the sound
News regulation and control parameter, if so, then the microprocessor is adjusted to the message regulation and control parameter, and the message regulation and control after adjusting are joined
Number is sent to the message processor, makes the message processor according to the message regulation and control parameter after the adjustment and at least one input sound
News, to produce corresponding output message.
Additionally, the present invention further provides a kind of message adjustment system, it is adaptable to an electronic installation and electronic installation connects
Receive one and be input into message, the message adjustment system is included：One message sensor, for detecting the sound letter of the outside of the electronic installation
Number；One message processor, produces one and exports message according to the input message and message regulation and control parameter correspondence, the output message tool
There is an output message level；One calculates and CL Compare Logic unit, according to the external voice signal to determine an environmental noise level,
The message processor simultaneously calculates the environmental noise level with the ratio of the output message level with one measuring value of corresponding generation；In one
Deposit, to store a predetermined threshold values；And a microprocessor, it is connected with the internal memory and the message processor, the microprocessor
The measuring value from the message processor and the predetermined threshold values from the internal memory are received, and the measuring value is made a reservation for this
Threshold values be compared.
It is the environmental noise that is comfortable on according to user because message regulates and controls parameter (such as volume settings) in the present invention
The ratio of level and output message level, automatically and dynamically adjusts, therefore solves user and need under noisy environments constantly
Manually adjust the trouble of volume, and the ratio of the environmental noise level that is comfortable on of user and output message level is by making
User's self-defining or from system pre-selection, thus during automatic dynamic adjustment volume can closer to the viewing behavior of user, because
Answer different users' demand under various circumstances.
It is that the above of the present invention can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, make
Describe in detail as follows：
【Description of the drawings】
Figure 1A shows the structural representation of the message adjustment system of first embodiment of the invention.
Figure 1B is shown and the structural representation implemented with hardware with CL Compare Logic unit is calculated in first embodiment of the invention.
Fig. 2 shows the structural representation of the message adjustment system of second embodiment of the invention.
Fig. 3 shows the flow chart of the message method of adjustment of the present invention.
The execution flow chart of the step of Fig. 4 shows Fig. 3 S 106, for judging measuring value whether beyond predetermined threshold values..
【Specific embodiment】
Figure 1A is referred to, the structural representation of the message adjustment system 1 of first embodiment of the invention is shown, it is adaptable to be a kind of
Shadow/sound is played in electronic installation.In this first embodiment, it is a kind of TV or display screen that the shadow/sound plays electronic installation
Video-signal system (only illustrates the part that message is processed) in figure, itself has a scale controller (Scaler) 10, to adjust
Image size, resolution ratio, and process voice signal.It is to be noted, however, that the message adjustment system 1 of the present invention is not only limited answering
For the multimedia audio-visual system such as TV, display screen, also it is applicable to other any shadows/sound and plays in electronic installation.
As shown in Figure 1A, the message adjustment system 1 of this first embodiment includes：One message processor (Audio
Processor) 12, one calculate and CL Compare Logic unit 13, the Memory Controller Hub of a microprocessor (Microprocessor) 14,
15th, an image controller 16, a counter 18, an analog-to-digital converter (Analog-to-digital Converter,
ADC) 191, one first data storage area 51, one second data storage area 52, a message power amplifier (Audio
Amplifier) 20, one loudspeaker 25 (such as loudspeaker), a message sensor (Audio Signal Detecting Device) 32
And a wave filter 34, the wherein message power amplifier 20 and loudspeaker 25 can be the existing unit that the shadow/sound plays electronic installation
Part is the element that electronic installation is played independently of the shadow/sound.
In the first embodiment shown in Figure 1A, the subelement such as message processor 12 of the message adjustment system 1, calculating
With CL Compare Logic unit 13, microprocessor 14, Memory Controller Hub 15, image controller 16, counter 18, simulate to numeral conversion
Device 191, the first data storage area 51 or the second data storage area 52 connect or are contained in the scaling that the shadow/sound plays electronic installation
Controller 10, wherein image controller 16 show (On Screen Display, OSD) controller such as display, its be the shadow/
Sound plays the existing element of electronic installation, may be connected to the microprocessor 14.However, in other embodiment, the message is adjusted
The part or all of element of whole system 1 can also be located at the shadow/sound and play on other controllers of electronic installation.
In use, the message sensor 32 is used to detect the external voice that the shadow/sound plays electronic installation, including environment
The sound of noise and the message such as television channel of the output of loudspeaker 25, and by this external voice is via the filtering of wave filter 34 and passes
Give the message processor 12 in the scale controller 10.
When the shadow/sound plays electronic installation receives an input message, the scale controller 10 is mainly by the input sound
News make signal transacting and correspondence exports message (being described in detail later), and then the output message is via message power amplifier 20
After amplification, electronic signal is changed into into physics sound wave by loudspeaker 25, and send the receivable sound of user's sense of hearing.It is aforementioned that this is defeated
Entering message can be analog signal or data signal and can pass through a variety of input interfaces inputs or come from wired, wireless
Sound source signal in television channel.The output message also can be exported, there is provided give in addition to being sent to loudspeaker 25 by other interfaces
Other device is used.
When 10 pairs of input message of the scale controller make signal transacting, the message processor 12 receives the input sound
News, and modulating signal is carried out to the input message according to message regulation and control parameter, the output message, the wherein sound are produced with correspondence
News regulation and control parameter, can be the volume settings of television channel, and it is stored in advance the first data storage area 51 such as flash memory (Flash
) or the second data storage area 52 such as double-channel SDRAM (Double Data Rate memory
Synchronous Dynamic Random Access Memory, DDR Memory) in, the message regulation and control parameter can be via meter
Calculate and adjust and change (be described in detail later) after judging.The microprocessor 14 determines and reads to be stored in via Memory Controller Hub 15
Message regulation and control parameter in one data storage area 51 or the second data storage area 52, and send the message regulation and control parameter to message
Processor 12, makes the message processor 12 carry out modulation to the input message according to the message regulation and control parameter, is produced with correspondence defeated
Go out message, the output message is exported again to the message power amplifier 20 and loudspeaker 25.
The message processor 12 can produce output message level, and the microprocessor 14 is connected with the message processor 12,
The microprocessor 14 receives external voice signal and output message level that the message processor 12 is transmitted.The microprocessor 14
Be respectively coupled to image controller 16 and counter 18, image controller 16 to information output in control screen and instruction input,
Count results are passed to the microprocessor 14 by counter 18 then to count.Additionally, analog-to-digital converter 191 to
Sampling, and simulating music signal is changed into into digit news.
The present invention be according to environmental noise come adjust output message volume, so as to change the output sound of loudspeaker 25
Amount.For example：When environmental noise is big, output volume is tuned up automatically, and work as environmental noise hour, automatically adjust output volume
It is little, in case user need to continually manually adjust volume.
As shown in Figure 1A, using message sensor 32, the shadow/sound is detected such as microphone and plays the outer of electronic installation
Portion's voice signal.The voice signal that message sensor 32 is detected, can filtered device 34 filter human ear institute unheard message letter
After number, then Jing analog-to-digital converters 191 are sampled.
If input message is simulation input message, Jing analog-to-digital converters are needed to sample, input message can be expressed as：
Ain=α × Asample (formula one)
Wherein Ain is input message, and α is the variation caused by analog-to-digital converter sampling, after Asample is for sampling
Voice signal.
The external voice that message sensor 32 is detected, may include environmental noise and the sound sent from loudspeaker 25,
Such as following equation：
(formula two)
Wherein Min is the external voice signal that message sensor 32 is detected, and β represents the characteristic of message power amplifier 20
The characteristic curve of curve and loudspeaker 25, γ is the variation caused by message sensor 32, and α is analog-to-digital converter 191
Variation caused by sampling, f is the transfer function of wave filter 34, and G is message regulation and control parameter, and NenviromentFor environmental noise
Level.
Assume wave filter 25 can passband ripple (Passband) its transfer function be 1, therefore can be with by formula one and formula two
Try to achieve environmental noise level (Nenvironment)：
(formula three)
The calculating of aforementioned formula is to control a calculating with CL Compare Logic unit 13 to be responsible for by microprocessor 14, the calculating with
CL Compare Logic unit 13 can be defaulted in the first data storage area 51 (as shown in Figure 1A) for program, or is that a kind of hardware (is such as schemed
Calculating positioned at scale controller 10 ' and CL Compare Logic unit 13 ' in message adjustment system 1 ' shown in 1B).In Figure 1A and figure
In 1B, the calculating can be stored in each parameter preset in the first data storage area 51 with CL Compare Logic unit 13,13 ' by acquirement
Caused by detecting variation (γ), the analog-to-digital converter 191 of value such as message regulation and control parameter (G), message sensor 32 is sampled
Variation (α), the characteristic curve of message power amplifier 20 and loudspeaker 25 characteristic curve (β), come computing environment noise electricity
Flat (Nenviroment).It is noted that environment noise level (N in the present inventionenviroment) be not limited only to be asked by above-mentioned formula three
, any environmental noise level (N for otherwise trying to achieveenviroment), it is equally applicable for the present invention.
AsampleRefer to input message (Ain) Jing analog-to-digital converter continuous sampling for a period of time such as the voltage after 1 second
Or r.m.s. (Root Mean Square, the RMS) value of power.Aforementioned output message level and environmental noise level, can be all
The root-mean-square valve of voltage or power.
Aforementioned calculating is controlled 14 and receives the microprocessor 14 to transmit with CL Compare Logic unit 13 by the microprocessor
External voice signal (Min) and output message level, wherein according to external voice signal (Min), input message (Ain), being stored in
The message of data storage area 51 or 52 regulates and controls parameter (G), detecting variation value (γ) of message sensor 32, simulates to numeral conversion
Device 191 samples the characteristic curve (β) of caused variation (α), the characteristic curve of message power amplifier 20 and loudspeaker 25, meter
Calculate environmental noise level (Nenviroment), and by environmental noise level (Nenviroment) be sent to via microprocessor 14
Message processor 12.Then, message processor 12 calculates environmental noise level (Nenviroment) and the output message level
Ratio produces a measuring value with correspondence, and the measuring value is sent to into the microprocessor 14.The microprocessor 14 is by the measuring value
The threshold values predetermined with one is compared, to decide whether to adjust message regulation and control parameter, if so, then 14 pairs of sounds of the microprocessor
News regulation and control parameter is adjusted, and the message regulation and control parameter after adjustment is transferred to into the message processor 12, makes the message processor
12, according to the message regulation and control parameter after the adjustment, produce corresponding output message.For example, the predetermined threshold values can have
One higher limit and a lower limit, the microprocessor 14 is to compare the measuring value with the higher limit and the lower limit respectively.
When the microprocessor 14 judges that the measuring value is constituted beyond the higher limit and the lower limit of the predetermined threshold values
Scope when, then after the microprocessor 14 determines adjustment message regulation and control parameter and makes the message processor 12 according to the adjustment
Message regulates and controls parameter and the input message to produce corresponding output message.Or, when the microprocessor 14 judges the amount
Measured value be greater than the higher limit of the predetermined threshold values or less than the predetermined threshold values the lower limit up to a predetermined number of times, then
The microprocessor 14 determines the adjustment message regulation and control parameter and makes the message processor 12 according to the message regulation and control ginseng after the adjustment
Number and the input message are producing corresponding output message.And work as the microprocessor 14 and judge that the measuring value is predetermined without departing from this
Threshold values the higher limit and the lower limit constitute scope when, then the microprocessor 14 determines not adjust message regulation and control ginseng
Number, and the message processor 12 then regulates and controls parameter and the input message to produce corresponding output message according to original message.
Refer to Fig. 2, show the message adjustment system 1 of second embodiment of the invention " schematic diagram.Its main difference is in
It is in place of one embodiment：In second embodiment of the invention, scale controller 10 " further can be input into a simulation input message and
One numeral input message, source such as ATV, DTV, AV, YPbPr, HDMI and PC-line-in of the simulation input message of TV etc.
Signal or interface are input into, and wherein the simulation input message switchs to be transmitted after digit news via an analog-to-digital converter 192
To message processor 12；The numeral input message is compressed because having, it is only necessary to via a message decoder (Audio Decoder)
193 decodings, are resent to the process of message processor 12.In second embodiment, the message processor 12 then exportable mould
Intend output message or numeral output message, simulation output message and numeral output message pass through respectively a simulating music signal power amplification
Device (Analog Audio Amplifier) 21 and a digit news power amplifier (Digital Audio Amplifier) 22
After amplification, loudspeaker 25 is resent to.Because remaining element is all same as first embodiment, here is not repeated.
The flow chart of the message method of adjustment of the present invention is shown please refer to Figure 1A and Fig. 3, Fig. 3.The message of the present invention
Method of adjustment is played electronic installation suitable for a kind of shadow/sound, and the shadow/sound plays electronic installation and can be used to receive an input message
And according to the change of environmental noise, to automatically decide whether adjustment output message.
First, the voice signal of the outside of the electronic installation is detected using a message sensor 32 and a message is transferred to and is processed
Device 12.
Parameter and the input message are regulated and controled according to a message using the message processor 12, correspondence produces one and exports message,
The output message has an output message level, the message processor 12 and by the external voice signal and the output message level
Transfer to a microprocessor 14.
Then, as indicated in step sloo, the microprocessor 14 controls the calculating with CL Compare Logic unit 13 (as through execution
The computing of above-mentioned formula three) level of environmental noise is determined, and the environmental noise can be obtained at any time or within one section of sample time
The change of level.In an embodiment, above-mentioned calculating can be a kind of program of the execution computing of formula three with CL Compare Logic unit 13
And be stored in advance in the first data storage area 51, microprocessor 14 reads the first data storage area 51 through Memory Controller Hub 15
To perform the calculating and CL Compare Logic unit 13, and its operation result such as environmental noise level is temporarily stored into into the second data storage area
52.In another embodiment, above-mentioned calculating can be a kind of logic hardware of the execution computing of aforementioned formula three with CL Compare Logic unit.
In step S102, message processor 12 is received and transmitted via microprocessor 14 with CL Compare Logic unit 13 from calculating
Environmental noise level, the computing environment noise level of message processor 12 with output message level ratio, with correspondence obtain one
Measuring value, it is defined as MAENR (Measuring Audio Environment Noise Ratio), and this measuring value can be stored
In the second data storage area 52.
In step S104, microprocessor 14 is connected with message processor 12, and microprocessor 14 receives message processor 12
The measuring value for transmitting, and the measuring value threshold values predetermined with is compared.This predetermined threshold values is a sound comfort value, its
TAENR (Threshold Audio Environment Noise Ratio) is defined as, TAENR can feel for a kind of user
Comfortable environmental noise level and the ratio for exporting message level.For example：When user is under specific noisy environment, voluntarily adjust
It is whole for comfortable volume, after being set, microprocessor 14 sets environmental noise level at that time and user institute according to user
The volume of setting calculates TAENR, therefore predetermined threshold values by user's self-defining, or can be defaulted in system.System
Several different patterns can be preset in system, and several predetermined threshold values are stored in the first data storage area 51 in advance, be allowed
User can operate through image controller 16 is relaxed with selecting to be stored in the first data storage area 51 sound set in advance
Just when the sound comfort value that user selectes can send microprocessor 14 to by image controller 16.
In step S106, microprocessor 14 decides whether to adjust message regulation and control according to the comparative result of MAENR and TAENR
Parameter, for example whether changing volume.Message processor 12 regulates and controls parameter to input according to the message that microprocessor 14 is transmitted
Message carries out modulation, to produce corresponding output message.
When microprocessor 14 judges MAENR more than TAENR, or beyond the segment limit defined according to TAENR when, micro- place
Reason device 14 is adjusted (step S108) to message regulation and control parameter, and the message regulation and control parameter after adjustment is sent to into message process
Device 12, that is, change the size of original output message, and message processor 12 is produced corresponding according to the message regulation and control parameter after adjustment
Output message (step S112).On the contrary, when microprocessor 14 judges MAENR less than or equal to TAENR, or without departing from
During one segment limit of TAENR definition, the message that microprocessor 14 then remains original regulates and controls parameter (step S109), i.e., not to the sound
News regulation and control parameter is adjusted, and message processor 12 produces output message (step S112) according to original message regulation and control parameter.
Microprocessor 14 can once increase and decrease a bit of unit when message regulation and control parameter is adjusted, such as when adjustment volume
During setting value, can once increase and decrease a bit of volume, it is also possible to be once just adjusted to volume to make MAENR approach TAENR, Huo Zhegen
Adjust according to the table of comparisons or control curve that set in system, when such as current volume is very high, then reduce volume increase and decrease
Amplitude.
It is the environmental noise that is comfortable on according to user because message regulates and controls parameter (such as volume settings) in the present invention
The ratio of level and output message level, i.e. TAENR automatically and is dynamically adjusted, therefore solves user in noisy environments
The lower trouble that need to constantly manually adjust volume, and user the environmental noise level being comfortable on and the ratio for exporting message level
Example is preselected by user's self-defining or from system, therefore can be closer to the audiovisual of user during automatic dynamic adjustment volume
Custom, in response to different users' demand under various circumstances.
Figure 1A, Fig. 3 and Fig. 4 are referred to, Fig. 4 further shows the execution flow chart of step S106 in Fig. 3, for decision content
Whether measured value exceeds predetermined threshold values.
First, microprocessor 14 by two variables in counter 18, i.e. volume increase variable (CountVolumeUP) and
Volume downgrades variable (CountVolumeDn) and is set to 0, and this two variable sets up accumulative number of times to note down condition judgment.In amount
Survey external voice signal, determine environmental noise level, and calculate after MAENR, microprocessor 14 by MAENR respectively with TAENR
× 1.1 (higher limits) and TAENR × 0.9 (lower limit) are compared (step S201 and step S211).When MAENR is less than
During the lower limit of TAENR, counter 18 is counted once and by the value of CountVolumeDn increases by 1 (step S202), and works as
When MAENR is more than the higher limit of TAENR, counter 18 is counted once and by the value of CountVolumeUp increases by 1 (step
S212).When the value of CountVolumeDn or CountVolumeUp is accumulated to a predetermined number of times, such as 15 (steps S203
Or step S213), microprocessor 14 determines to adjust message regulation and control parameter to change output message.For example：Now microprocessor
14 adjustment volume settings, output volume is tuned up or turned down.Due to MAENR be respectively with TAENR × 1.1 (higher limit) and
TAENR × 0.9 (lower limit) is compared, therefore can avoid continually adjusting very much message regulation and control parameter, reduces disappearing for electric power
Consumption.And, only when the value of CountVolumeDn or CountVolumeUp is accumulated to 15 times, just it is adjusted, therefore can be with
Sporadic, of short duration sound interference is avoided to cause adjustment programme to start.
For example, MAENR ＞ TAENR × 1.1 are caused when environmental noise increases, and the value of CountVolumeUp is tired out
When meter is up to 15 times, microprocessor 14 can increase volume settings, and output volume is tuned up, such user just not reason environment
Noise increases and can't hear the sound that loudspeaker 25 sends.And work as environmental noise and reduce and cause MAENR ＜ TAENR × 0.9, and
When the value of CountVolumeDn adds up up to 15 times, microprocessor 14 can reduce volume settings, and output volume is turned down, such as
This user still clearly can hear the sound that loudspeaker 25 sends under appropriate volume.
Claims (10)
1. a kind of message method of adjustment, it is adaptable on an electronic installation, and the electronic installation is used to receiving at least one and is input into message,
It is characterized in that：The message method of adjustment includes step：Using the sound of the outside of the message sensor detecting electronic installation
Signal simultaneously transfers to a message processor；Using the message processor according at least one input message and message regulation and control parameter pair
An output message should be produced, the output message has an output message level, the message processor and by the external voice signal
And the output message level transfers to a microprocessor；Being calculated using the microprocessor control one should with basis with CL Compare Logic unit
External voice signal, at least one input message, the message regulation and control parameter, the characteristic curve of a message power amplifier and one raise
The detecting variation of variation and the message sensor caused by the characteristic curve of sound device, analog-to-digital converter sampling is determined
One environmental noise level, the wherein calculating obtain the message regulation and control parameter with CL Compare Logic unit, and it is stored in advance a data
Memory block, the microprocessor simultaneously passes the environmental noise level back the message processor；The ring is calculated using the message processor
Border noise level is with the ratio of the output message level with one measuring value of corresponding generation；Using the microprocessor by the measuring value with
One predetermined threshold values is compared；And using the microprocessor according to the measuring value and the comparative result of the predetermined threshold values,
To decide whether to adjust the message regulation and control parameter, if so, then the microprocessor is adjusted to the message regulation and control parameter, and should
Message regulation and control parameter after adjustment is sent to the message processor, makes the message processor according to the message regulation and control ginseng after the adjustment
Number and at least one input message, to produce corresponding output message.
2. message method of adjustment as claimed in claim 1, it is characterised in that：The predetermined threshold values is default environmental noise electricity
The flat ratio with output message level, user passes through an input interface to select the default ratio.
3. message method of adjustment as claimed in claim 1, it is characterised in that：When the measuring value is beyond the upper of the predetermined threshold values
The scope that limit value and lower limit are constituted, then the microprocessor adjust message regulation and control parameter.
4. message method of adjustment as claimed in claim 3, it is characterised in that：When the measuring value is more than the upper of the predetermined threshold values
Limit value or less than the predetermined threshold values lower limit up to a predetermined number of times, then the microprocessor adjusts message regulation and control parameter.
5. message method of adjustment as claimed in claim 1, it is characterised in that：The message regulation and control parameter includes a sound volume setting
Value, the output message level is the root-mean-square valve of the output message.
6. a kind of message adjustment system a, it is adaptable to the electronic installation and electronic installation receives and is input into message, it is characterised in that：
The message adjustment system is included：One message sensor, a message processor, one calculate and CL Compare Logic unit, a message power
Amplifier, a loudspeaker, an analog-to-digital converter, an internal memory and a microprocessor, wherein the message sensor are used for
Detect the voice signal of the outside of the electronic installation；The message processor is according to the input message and message regulation and control parameter correspondence
Produce one and export message, the output message has an output message level；The calculating is with CL Compare Logic unit according to the outside sound
Message number, the input message, the characteristic of message regulation and control parameter, the characteristic curve of the message power amplifier and the loudspeaker are bent
The detecting of variation and the message sensor caused by line, the analog-to-digital converter sampling makes a variation to determine an environmental noise
Level, the wherein calculating obtain the message regulation and control parameter with CL Compare Logic unit, and it is stored in advance a data storage area, the sound
News processor simultaneously calculates the environmental noise level with the ratio of the output message level with one measuring value of corresponding generation；The internal memory is used
To store a predetermined threshold values；The microprocessor is connected with the internal memory and the message processor, and the microprocessor is received from this
The measuring value of message processor and the predetermined threshold values from the internal memory, and the measuring value is carried out with the predetermined threshold values
Relatively.
7. message adjustment system as claimed in claim 6, it is characterised in that：The predetermined threshold values is default environmental noise electricity
The flat ratio with output message level, user passes through an input interface to select the default ratio.
8. message adjustment system as claimed in claim 6, it is characterised in that：When the measuring value is beyond the upper of the predetermined threshold values
The scope that limit value and lower limit are constituted, then adjust the message regulation and control parameter.
9. message adjustment system as claimed in claim 8, it is characterised in that：When the measuring value is more than the upper of the predetermined threshold values
Limit value or less than the predetermined threshold values lower limit up to a predetermined number of times, then adjust message regulation and control parameter.
10. message adjustment system as claimed in claim 6, it is characterised in that：The message regulation and control parameter includes a sound volume setting
Value, the output message level is the root-mean-square valve of the output message.
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| CN201010222749.2A CN102299693B (en) | 2010-06-28 | 2010-06-28 | Message adjustment system and method |
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| CN105025417B (en) * | 2015-07-28 | 2019-08-06 | Tcl集团股份有限公司 | It is a kind of according to location information to the method and system of earpiece volume adjust automatically |
| CN107182001A (en) * | 2017-04-16 | 2017-09-19 | 廖华勇 | The constant technology of multimedia equipment self feed back volume |
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| CN1983805A (en) * | 2005-12-13 | 2007-06-20 | 明基电通股份有限公司 | Audio-frequency adjusting system |
| CN100483509C (en) * | 2006-12-05 | 2009-04-29 | 华为技术有限公司 | Aural signal classification method and device |
| CN101459414B (en) * | 2007-12-12 | 2011-12-14 | 群康科技(深圳)有限公司 | Video and audio playing device and volume control method |
| CN101409807A (en) * | 2008-11-03 | 2009-04-15 | 康佳集团股份有限公司 | Intelligent control method for television volume |
| CN101458931A (en) * | 2009-01-08 | 2009-06-17 | 无敌科技(西安)有限公司 | Method for eliminating environmental noise from voice signal |
| CN101625870B (en) * | 2009-08-06 | 2011-07-27 | 杭州华三通信技术有限公司 | Automatic noise suppression (ANS) method, ANS device, method for improving audio quality of monitoring system and monitoring system |
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