CN110324703A - A kind of dynamic volume method of adjustment of audio-visual equipment - Google Patents
A kind of dynamic volume method of adjustment of audio-visual equipment Download PDFInfo
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- CN110324703A CN110324703A CN201910698394.5A CN201910698394A CN110324703A CN 110324703 A CN110324703 A CN 110324703A CN 201910698394 A CN201910698394 A CN 201910698394A CN 110324703 A CN110324703 A CN 110324703A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Social Psychology (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Circuit For Audible Band Transducer (AREA)
- Stereophonic System (AREA)
- Television Receiver Circuits (AREA)
Abstract
The present invention discloses a kind of dynamic volume method of adjustment of audio-visual equipment, the positional distance of the opposite audio-visual equipment of user is detected by distance measuring sensor, when user shift position, new volume is obtained using new volume calculation formula based on new distance and volume is adjusted based on the numerical value of new volume.Volume is associated with by new volume calculation formula with user's distance perfection, is made user not have the suddenly big or suddenly small sense of volume using the volume that new volume calculation formula of the invention adjusts, is enabled audio visual effect more prominent.The present invention is suitable for home audiovisual entertainment system, and in user's unlatching effect, dynamic adjustment volume, makes it have better audiovisual experience.
Description
Technical field
The present invention relates to audio-visual devices technical field more particularly to a kind of dynamic volume methods of adjustment of audio-visual equipment.
Background technique
The volume adjustment of audiovisual entertaining system is all that user manually adjusts without elasticity at present, but in daily life,
People are when using audiovisual entertaining system, it is impossible to and it is motionless to stay in a place always,.Often (such as faced due to some
When meet guest at the gate) and temporarily away from position, and then distance of the spectators with a distance from audiovisual entertaining system is caused to be become
Change, user shift position, which has, can't hear the inconvenience dubbed.If cannot good automatic regulating volume, then the view of user
Listen recreation experience less perfect.
Summary of the invention
The purpose of the present invention is to provide a kind of dynamic volume methods of adjustment of audio-visual equipment.
The technical solution adopted by the present invention is that:
A kind of dynamic volume method of adjustment of audio-visual equipment comprising following steps:
Step 1, pass through the opposite audio-visual equipment of the distance measuring sensor detecting periodically user being electrically connected with audio-visual equipment
Real-time positional distance；
Step 2, the new distance at user's current time and the former distance of eve are obtained, judges the positional distance of user
Whether change；
When the positional distance of user has not been changed, then keeps current volume constant and execute step 1；
When the positional distance of user changes, then the new distance based on user, which calculates, obtains new volume, new sound
Measure L2Calculation formula it is as follows:
L2=L1–20log10(r2/r1)
L2For the numerical value of new volume, L1For the numerical value of current volume；r2For the new distance at user's current time, r1It is preceding
The former distance at one moment；
Step 3, current volume is adjusted to new volume and executes step 1.
Further, initial volume is arranged according to personal preference when booting is adjusted using dynamic volume in user, and remembers
Record the distance of the corresponding user of initial volume.
Further, when user is two people or more, the new distance at user's current time is current institute in step 2
There is the average value of the real time position distance of user, the former distance of eve is the flat of the positional distance of all users of eve
Mean value.
Further, real-time position of the distance measuring sensor using triangulation detection user with respect to audio-visual equipment
Set distance.Triangulation is not easily susceptible to object reflectance to the temperature of environment and the shadow of continuous operating period by detecting distance
It rings, utilizes the corresponding detecting distance of the Voltage Feedback of output.
Further, the audio-visual equipment is smart television.
Further, the distance measuring sensor is infrared ray range sensor.
Further, the infrared ray range sensor includes PSD (position sensitive sensor), IRED (infraluminescence two
Pole pipe) and signal processing circuit composition.
Further, the infrared ray range sensor is the distance measuring sensor of SHARP GP2Y0A710K0F, measures model
It encloses up to 100~550cm.
The invention adopts the above technical scheme, by distance measuring sensor detect user opposite audio-visual equipment position away from
From using new volume calculation formula obtaining new volume based on new distance and based on new volume when user shift position
Numerical value adjusts volume.Volume is associated with by new volume calculation formula with user's distance perfection, using of the invention new
The volume of volume calculation formula adjustment makes user not have the suddenly big or suddenly small sense of volume, enables audio visual effect more prominent.
The present invention is suitable for home audiovisual entertainment system, and in user's unlatching effect, dynamic adjustment volume, makes it have better audiovisual body
It tests.
Detailed description of the invention
The present invention is described in further details below in conjunction with the drawings and specific embodiments；
Fig. 1 is a kind of flow diagram of the dynamic volume method of adjustment of audio-visual equipment of the present invention；
Fig. 2 is the schematic illustration of the triangulation of distance measuring sensor.
Specific embodiment
As shown in Figure 1, the invention discloses a kind of dynamic volume methods of adjustment of audio-visual equipment comprising following steps:
Step 1, pass through the opposite audio-visual equipment of the distance measuring sensor detecting periodically user being electrically connected with audio-visual equipment
Real-time positional distance；Further, initial sound is arranged according to personal preference when booting is adjusted using dynamic volume in user
Amount, and record the distance of the corresponding user of initial volume.
Further, the audio-visual equipment is smart television.
Further, the distance measuring sensor is infrared ray range sensor, and the infrared ray range sensor includes PSD
(position sensitive sensor), IRED (infrared light-emitting diode) and signal processing circuit composition.
Using the infrared ray range sensor using SHARP GP2Y0A710K0F distance measuring sensor as example, the infrared ray away from
Measurement range from sensor is up to 100~550cm.Further, the distance measuring sensor is used using triangulation detection
Real-time positional distance of the person with respect to audio-visual equipment.Triangulation is not easily susceptible to object reflectance to environment by detecting distance
Temperature and continuous operating period influence, utilize the corresponding detecting distance of the Voltage Feedback of output.As shown in Fig. 2, passing through survey
The known endpoint angle of amount target point and fixed base measures at a distance from observed object, by PSD (position sensitive sensor) and
IRED (infrared light-emitting diode) constitutes fixed base, to detect the calculation formula for the real time position distance L to baseline
Are as follows:
Wherein, d1 is normal distance of the infrared light-emitting diode to user's versus baseline, and d2 is PSD to user's versus baseline
Normal distance, α indicate using infrared light-emitting diode as the angle of the baseline of endpoint and user location, β indicate using PSD as endpoint
Baseline and user location angle.
Step 2, the new distance at user's current time and the former distance of eve are obtained, it is new by comparing current time
Whether the positional distance of the former Distance Judgment user of distance and eve changes；Further, when user is two
When more than people, average value of the new distance at user's current time for the currently real time position distance of all users, eve
Former distance be all users of eve positional distance average value.
When the positional distance of user has not been changed, then keeps current volume constant and execute step 1；
When the positional distance of user changes, then the new distance based on user, which calculates, obtains new volume, new sound
Measure L2Calculation formula it is as follows:
L2=L1–20log10(r2/r1)
L2For the numerical value of new volume, L1For the numerical value of current volume；r2For the new distance at user's current time, r1It is preceding
The former distance at one moment；
Step 3, current volume is adjusted to new volume and executes step 1.
The invention adopts the above technical scheme, by distance measuring sensor detect user opposite audio-visual equipment position away from
From using new volume calculation formula obtaining new volume based on new distance and based on new volume when user shift position
Numerical value adjusts volume.Volume is associated with by new volume calculation formula with user's distance perfection, using of the invention new
The volume of volume calculation formula adjustment makes user not have the suddenly big or suddenly small sense of volume, enables audio visual effect more prominent.
The present invention is suitable for home audiovisual entertainment system, and in user's unlatching effect, dynamic adjustment volume, makes it have better audiovisual body
It tests.
Claims (8)
1. a kind of dynamic volume method of adjustment of audio-visual equipment, it is characterised in that: itself the following steps are included:
Step 1, pass through the real-time of the opposite audio-visual equipment of the distance measuring sensor detecting periodically user being electrically connected with audio-visual equipment
Positional distance；
Step 2, obtain user's current time new distance and eve former distance, judge user positional distance whether
It changes；
When the positional distance of user has not been changed, then keeps current volume constant and execute step 1；
When the positional distance of user changes, then the new distance based on user, which calculates, obtains new volume, new volume L2's
Calculation formula is as follows:
L2=L1–20log10(r2/r1)
L2For the numerical value of new volume, L1For the numerical value of current volume；r2For the new distance at user's current time, r1For previous moment
Former distance；
Step 3, current volume is adjusted to new volume and executes step 1.
2. a kind of dynamic volume method of adjustment of audio-visual equipment according to claim 1, it is characterised in that: user is opening
Machine using dynamic volume adjust when, according to personal preference be arranged initial volume, and record the corresponding user of initial volume away from
From.
3. a kind of dynamic volume method of adjustment of audio-visual equipment according to claim 1, it is characterised in that: when user is
When more than two people, the new distance at user's current time is the flat of the currently real time position distance of all users in step 2
Mean value, the former distance of eve are the average value of the positional distance of all users of eve.
4. a kind of dynamic volume method of adjustment of audio-visual equipment according to claim 1, it is characterised in that: the ranging passes
Real-time positional distance of the sensor using triangulation detection user with respect to audio-visual equipment.
5. a kind of dynamic volume method of adjustment of audio-visual equipment according to claim 1, it is characterised in that: the audiovisual is set
Standby is smart television.
6. a kind of dynamic volume method of adjustment of audio-visual equipment according to claim 1, it is characterised in that: the ranging passes
Sensor is infrared ray range sensor.
7. a kind of dynamic volume method of adjustment of audio-visual equipment according to claim 6, it is characterised in that: the infrared ray
Range sensor includes signal processing circuit and the position sensitive sensor PSD and infraluminescence that connect with signal processing circuit
Diode IRED.
8. a kind of dynamic volume method of adjustment of audio-visual equipment according to claim 6, it is characterised in that: the infrared ray
Range sensor is the distance measuring sensor of SHARP GP2Y0A710K0F, and measurement range is up to 100~550cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910698394.5A CN110324703A (en) | 2019-07-31 | 2019-07-31 | A kind of dynamic volume method of adjustment of audio-visual equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910698394.5A CN110324703A (en) | 2019-07-31 | 2019-07-31 | A kind of dynamic volume method of adjustment of audio-visual equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483413A (en) * | 2008-01-07 | 2009-07-15 | 联想(北京)有限公司 | Method, apparatus and loudspeaker for volume regulation |
| US20110069841A1 (en) * | 2009-09-21 | 2011-03-24 | Microsoft Corporation | Volume adjustment based on listener position |
| CN104618796A (en) * | 2015-02-13 | 2015-05-13 | 京东方科技集团股份有限公司 | Volume adjusting method and display equipment |
| CN110049404A (en) * | 2019-04-23 | 2019-07-23 | 深圳慧安康科技有限公司 | Intelligent apparatus and its method for controlling volume |
-
2019
- 2019-07-31 CN CN201910698394.5A patent/CN110324703A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483413A (en) * | 2008-01-07 | 2009-07-15 | 联想(北京)有限公司 | Method, apparatus and loudspeaker for volume regulation |
| US20110069841A1 (en) * | 2009-09-21 | 2011-03-24 | Microsoft Corporation | Volume adjustment based on listener position |
| CN104618796A (en) * | 2015-02-13 | 2015-05-13 | 京东方科技集团股份有限公司 | Volume adjusting method and display equipment |
| CN110049404A (en) * | 2019-04-23 | 2019-07-23 | 深圳慧安康科技有限公司 | Intelligent apparatus and its method for controlling volume |
Non-Patent Citations (1)
| Title |
|---|
| 杨玉致: "《机械噪声控制技术》", 31 July 1983 * |
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Application publication date: 20191011 |