CN105939415B - A kind of safety prompt function method and system under external auditory masked state - Google Patents

A kind of safety prompt function method and system under external auditory masked state Download PDF

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Publication number
CN105939415B
CN105939415B CN201610232139.8A CN201610232139A CN105939415B CN 105939415 B CN105939415 B CN 105939415B CN 201610232139 A CN201610232139 A CN 201610232139A CN 105939415 B CN105939415 B CN 105939415B
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prompt function
safety prompt
according
audio
external audio
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CN201610232139.8A
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CN105939415A (en
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豆泽云
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Tcl集团股份有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/72Substation extension arrangements; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selecting
    • H04M1/725Cordless telephones
    • H04M1/72519Portable communication terminals with improved user interface to control a main telephone operation mode or to indicate the communication status
    • H04M1/72522With means for supporting locally a plurality of applications to increase the functionality
    • H04M1/72536With means for supporting locally a plurality of applications to increase the functionality for supporting an emergency service
    • H04M1/72538With means for supporting locally a plurality of applications to increase the functionality for supporting an emergency service with automatic feature activation, e.g. upon sensing of an alarm condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/72Substation extension arrangements; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selecting
    • H04M1/725Cordless telephones
    • H04M1/72519Portable communication terminals with improved user interface to control a main telephone operation mode or to indicate the communication status
    • H04M1/72522With means for supporting locally a plurality of applications to increase the functionality
    • H04M1/72547With means for supporting locally a plurality of applications to increase the functionality with interactive input/output means for internally managing multimedia messages
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/72Substation extension arrangements; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selecting
    • H04M1/725Cordless telephones
    • H04M1/72519Portable communication terminals with improved user interface to control a main telephone operation mode or to indicate the communication status
    • H04M1/72563Portable communication terminals with improved user interface to control a main telephone operation mode or to indicate the communication status with means for adapting by the user the functionality or the communication capability of the terminal under specific circumstances
    • H04M1/72569Portable communication terminals with improved user interface to control a main telephone operation mode or to indicate the communication status with means for adapting by the user the functionality or the communication capability of the terminal under specific circumstances according to context or environment related information

Abstract

The present invention discloses the safety prompt function method and system under a kind of external auditory masked state comprising step: A, acquiring the external audio information of mobile device current environment;B, it is matched in vehicle audio matching database according to the external audio information, obtains corresponding vehicles model, and irritable degree and intensity value are obtained according to the vehicles model and external audio infomation detection;C, it using the parameter of vehicles model, irritable degree and intensity value, is matched in matching rule database of the aural perceptible intensity with distance value, obtains danger classes;D, corresponding safety prompt function is provided a user according to the danger classes.

Description

A kind of safety prompt function method and system under external auditory masked state

Technical field

The present invention relates to the safety under mobile device security service field more particularly to a kind of external auditory masked state to mention Awake method and system.

Background technique

With the development of the small intelligents mobile device such as mobile phone, tablet computer, these mobile devices greatly facilitate people Daily life and work.But it is following, present more and more people all become the severe of this mobile device of mobile phone according to Rely user, many people whether stay at home, and are all using mobile phone in office, or even on the way.Especially certain user, It adorns oneself with earphone while perhaps cycling on foot to listen song or see video, this makes user be in external auditory masked state, this pole It is big to increase its traffic safety risk, the vehicle come is sailed even for rear, can not necessarily cause pedestrian whistle Attention.

Therefore, the existing technology needs to be improved and developed.

Summary of the invention

In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide the peaces under a kind of external auditory masked state Full based reminding method and system, it is intended to which external traffic wind can not be known under external auditory masked state by solving existing mobile device The problem of danger.

Technical scheme is as follows:

A kind of safety prompt function method under external auditory masked state, wherein comprising steps of

A, the external audio information of mobile device current environment is acquired;

B, it is matched in vehicle audio matching database according to the external audio information, obtains corresponding friendship Logical tool model, and irritable degree and intensity value are obtained according to the vehicles model and external audio infomation detection;

C, using the parameter of vehicles model, irritable degree and intensity value, in aural perceptible intensity and distance value Matching rule database in matched, obtain danger classes;

D, corresponding safety prompt function is provided a user according to the danger classes.

Safety prompt function method under the external auditory masked state, wherein the step B is specifically included:

B1, it is matched, is obtained corresponding in vehicle audio matching database according to the external audio information Vehicles model;

B2, according to the audio frequency characteristics of the vehicles model, noise reduction process is carried out to external audio-frequency information;

B3, audio intensity detection is carried out to the external audio information after noise reduction, obtains corresponding intensity value.

Safety prompt function method under the external auditory masked state, wherein the step B further include:

B4, the duration according to the external audio information and interval detect corresponding irritable degree.

Safety prompt function method under the external auditory masked state, wherein the danger classes is divided into four grades, Each grade corresponds to different safety prompt function modes.

Safety prompt function method under the external auditory masked state, wherein before the step A further include:

When detecting that mobile device meets set safety prompt function condition, then start safety prompt function service.

Safety prompt function method under the external auditory masked state, wherein the safety prompt function condition is to detect User is under moving condition, and mobile device inserts earphone and mobile device is playing audio-video document;Or Safety prompt function condition described in person is selection dysacousis mode, manually boots safety prompt function service.

Safety prompting system under a kind of external auditory masked state, wherein include:

Audio collection module, for acquiring the external audio information of mobile device current environment;

Audio processing modules, for being carried out in vehicle audio matching database according to the external audio information Match, obtains corresponding vehicles model, and irritability is obtained according to the vehicles model and external audio infomation detection Degree and intensity value;

Danger classes matching module, for using the parameter of vehicles model, irritable degree and intensity value, in audio It can be matched in perceptive intensity and the matching rule database of distance value, obtain danger classes;

Safety prompt function module, for providing a user corresponding safety prompt function according to the danger classes.

Safety prompting system under the external auditory masked state, wherein the audio processing modules specifically include:

Vehicles model matching unit is used for according to the external audio information in vehicle audio matching database In matched, obtain corresponding vehicles model;

Noise reduction unit carries out at noise reduction external audio-frequency information for the audio frequency characteristics according to the vehicles model Reason;

Intensity detection unit obtains corresponding strong for carrying out audio intensity detection to the external audio information after noise reduction Angle value.

Safety prompting system under the external auditory masked state, wherein the audio processing modules further include:

Irritable degree detecting unit, for according to the external audio information duration and interval, detect to correspond to Irritable degree.

Safety prompting system under the external auditory masked state, wherein further include:

Safety prompt function services starting module, for when detecting that mobile device meets set safety prompt function condition, then Start safety prompt function service.

The utility model has the advantages that external audio information of the present invention by acquisition mobile device local environment, and according to the outside sound Frequency information matches obtain corresponding vehicles model, irritable degree and intensity value, to obtain corresponding danger classes, root Non-motorized transport participant user is reminded to pay attention to inherently safe by different modes according to danger classes.

Detailed description of the invention

Fig. 1 is the flow chart of the safety prompt function method preferred embodiment under a kind of external auditory masked state of the present invention.

Fig. 2 is the flow chart of step S102 in method shown in Fig. 1.

Fig. 3 is the structural block diagram of the safety prompting system preferred embodiment under a kind of external auditory masked state of the present invention.

Fig. 4 is the specific block diagram of system shown in Figure 3 sound intermediate frequency processing module.

Specific embodiment

The present invention provides the safety prompt function method and system under a kind of external auditory masked state, to make mesh of the invention , technical solution and effect it is clearer, clear, the present invention is described in more detail below.It should be appreciated that described herein Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.

Referring to Fig. 1, Fig. 1 is the safety prompt function method preferred embodiment under a kind of external auditory masked state of the present invention Flow chart comprising step:

S101, the external audio information for acquiring mobile device current environment;

S102, it is matched, is corresponded in vehicle audio matching database according to the external audio information Vehicles model VT, and according to the vehicles model VT and external audio infomation detection obtain irritable degree IR with And intensity value IV;

S103, using the parameter of vehicles model VT, irritability degree IR and intensity value IV, in aural perceptible intensity It is matched with the matching rule database of distance value, obtains danger classes DR;

S104, corresponding safety prompt function is provided a user according to the danger classes DR.

In the present invention, when external auditory is under masked state, (user wears earphone and listens to music or see view user The operation such as frequency), it can match to obtain the danger of current environment by acquiring the external audio information of mobile device local environment Dangerous grade DR, and corresponding safety prompt function is provided a user according to this, such as suspends current play operation, and call user's attention Hide front vehicle (can certainly be front vehicles) etc..Through the invention, it improves in external auditory masked state Under user security, thus help non-motorized transport participant protect inherently safe, reduce traffic accidents generation Risk.

Specifically, before the step S101 further include:

When detecting that mobile device meets set safety prompt function condition, then start safety prompt function service.

That is, mobile device needs to meet certain safety prompt function condition, just start safety prompt function service.Such as when When mobile device is not inserted into earphone, then user can normally hear the whistle sound of vehicle, so mentioning without starting subsequent safety Wake up service, although or mobile device insert earphone, user does not move, i.e., user is to remain static down to listen It sings or watches movie, at this time without starting safety prompt function service;Although or mobile device inserts earphone, does not broadcast It puts the music on or sees video, also do not need starting safety prompt function service at this time.

Safety prompt function condition in the present invention is to detect that user is under moving condition, and mobile device inserts Earphone and mobile device are playing audio-video document;Or the safety prompt function condition is selection dysacousis mode, hand Dynamic starting safety prompt function service.That is, only detection is worked as user and is under moving condition in the present invention, and mobile device is inserted Earphone is entered, while mobile device is also at playing audio-video document (audio file or video file), because user is at this time External auditory masked state, so safety prompt function service can be started automatically at this time.Or user manually selects dysacousis mould Formula can manually boot safety prompt function service at this time, i.e. user directly makes mobile device start safety prompt function clothes by manual operation Business.

In above-mentioned safety prompt function condition, the moving condition refers to that user is in walking, cycles or trample skidding, slide plate Etc. various states, the detection of these moving conditions can be analyzed to obtain by the acceleration current to mobile device, example The acceleration change rule that mobile device acceleration transducer detects such as is analyzed, to obtain whether user is in mobile shape State.These detections have realization in the prior art, therefore the present invention does not repeat this.

In the step S101, the external audio information of external environment locating for mobile device is first acquired.On hardware, the present invention It is that chip (audio awaken chip:AAC) is waken up by the audio of a low-power consumption to acquire external audio information, the language Sound wakes up chip and can be integrated on mobile device primary processor, can also be and is separately provided, and the voice wakes up the standby quiet of chip State electric current can be as small as 1 μ A, very power saving.

In the step S102, vehicles model VT (vehicle type), urgency are obtained according to external audio information Hot-tempered degree IR(impatience rate) and intensity value IV(intensity value).

As shown in Fig. 2, the step S102 is specifically included:

S201, it is matched, is corresponded in vehicle audio matching database according to the external audio information Vehicles model VT;

S202, according to the audio frequency characteristics of the vehicles model VT, noise reduction process is carried out to external audio-frequency information;

S203, audio intensity detection is carried out to the external audio information after noise reduction, obtains corresponding intensity value IV;

S204, the duration according to the external audio information and interval detect corresponding irritable degree IR.

It specifically, is by vehicle audio matching database (vehicle for vehicles model VT Audio feature database:VAFD) in matching obtain, its is sustainable more for the vehicle audio matching database Newly, in the database vehicles model VT and corresponding audio frequency characteristics be updated, including deletion, modify or add Add etc..In the present invention, the audio frequency characteristics in collected external audio information are first extracted, by the audio frequency characteristics in VAFD Middle matching has prestored the various vehicles (different model including the same type vehicles, such as difference in the VAFD The vehicle of brand different model) audio frequency characteristics, thus found out in VAFD with extract the matched traffic work of audio frequency characteristics Has model VT, representing current external audio information if searching failure is not target danger sound source, terminates process.

After the vehicles model VT being matched to, according to the audio frequency characteristics of the vehicles model VT, to outside Audio-frequency information carries out noise reduction process;Because generally to open safety prompt function service, illustrate that user is in outdoor, so collecting External audio information be doped with external noise, the noise for removing doping helps to improve the accuracy of subsequent detection.For The mode and details of noise reduction process, have too many selection, it will not go into details herein in the prior art.

Then audio intensity detection is carried out to external audio-frequency information, obtains corresponding intensity value IV;Audio intensity is receiving It can be obtained by when to external audio information, which can be decibel value or amplitude size, these numerical value can be in movement It is found in the driving of equipment microphone.By detect obtained intensity value IV can substantially judge between vehicle and user away from From the distance can be used as the important references factor for the danger classes DR that subsequent detection obtains, for example distance is 10 meters, user In general precarious position, user is in high-risk state if distance is 5 meters.But it is strong for different vehicles models Angle value may be different, for example the whistle sound itself that Toyota land is patrolled is bigger than Volkswagon Jetta taxi sound, if sending is patrolled in land Whistle sound is 70db, and potential range user is 10 meters, and Jetta needs to issue the whistle sound of 90db, may also be only apart from user 10 meters, it may be preferred that pair of test in advance and the intensity value and distance value that count the whistle sound that the various vehicles issue It should be related to, obtain corresponding intensity value in combination with vehicles model in this way.

Finally according to the duration of the external audio information and interval, corresponding irritable degree IR is detected.Due to Driver can judge the current degree of danger of user according to information such as user present position, direction and speed, and then show Different irritable degree.So when honking, can also generate different effects, for example, of short duration ring, long lasting for ring, Either very brief interval ring etc..So can substantially judge the irritable degree of driver according to these information, such as short Temporary ring indicates that irritable degree is inferior grade, and user is in low precarious position at this time;Irritable degree is indicated long lasting for ring For Middle grade, user is in moderate risk state at this time, and very brief interval ring indicates high-grade, and user is in high-risk at this time Dangerous state.So the changing rule of external audio information and the irritable degree of driver have biggish incidence relation.And driver Irritable degree also can be used as an important references factor of subsequent degree of danger DR.

More specifically, irritable degree is calculated using set matching rule, and such as: the of short duration whistle of a sound (whistle The duration of sound was less than 0.5 second), then IR=0.3;(duration of whistle sound is greater than 0.5 second and less than 1.0 for the whistle of one tone mark standard Second), IR=0.6;The longer whistle of one sound (duration of whistle sound was greater than 1.0 seconds & less than 1.8 seconds), IR=0.9;Two sound are of short duration Whistle (two sound whistle, the duration of each whistle sound was less than 0.5 second), IR=0.55 ... etc. specifically may be used It is adjusted according to actual test and statistical result.

In the step S103, the parameter of above-mentioned vehicles model VT, irritability degree IR and intensity value IV are obtained It afterwards, can be in matching rule database (the vehicle audio intensity and of aural perceptible intensity and distance value Distance matching database:VAIDMD) in matched, obtain danger classes DR;The VAIDMD is also The database of one continuous updating can be updated parameter therein in the database, such as modification, deletion or addition behaviour Make.

In actual implementation, a tables of data can be made by statistics and psychologic principle, in the tables of data, The DR of VT, IV and IR of different range corresponding to it is listed, such as:

VT=" Toyota patrols in land "

IV = 70db

Mono- tone mark quasi- of IR=0.6(whistle)

So inquiry obtains DR=B in the tables of data of VAIDMD at this time, i.e., current danger classes is B grade, together When correspond to B grade, have corresponding safety prompt function be supplied to user.

In the step S104, corresponding safety prompt function is provided a user according to the danger classes DR, such as by institute It states danger classes and is divided into four grades, each grade corresponds to different safety prompt function modes, this four grades are from high to low successively Are as follows: S, A, B, C.

For ' non-dysacousis ' user (only with earphone listen song etc. modes automatic trigger the service of starting safety prompt function), If it is S grade, then notice system plays module pause plays music, and played with larger volume (70% as expired volume) Voice reminder message simultaneously notifies user to pay attention to back car with audio is urged;If also notice pause plays sound such as A grade It is happy, and voice reminder message is played with medium volume (50% as expired volume) and does not play urgency audio;If it is B grade, The volume (be such as reduced to full volume 20%) for being playing music can be reduced, and a voice reminder is played with medium volume and is disappeared Breath;If it is C grade, then do not suspend broadcasting music, primary remind only is played with medium volume while duration of music and is disappeared Breath.For ' dysacousis ' user (user manually selects dysacousis mode starting safety prompt function service), then it will use difference Intensity and the vibrating mode of rhythm go to remind user, such as S grade, then continuously in a manner of high-intensitive and allegro into Row vibration, for A grade, is then continuously shaken in a manner of moderate strength and medium rhythm, for B grade, then continuously It is shaken in a manner of low-intensity and slow rhythm, it is for C grade, then only primary with low-intensity vibration.It is strong in above-mentioned vibration The size of degree and vibration rhythm, can be divided into three grades for shockproofness in advance, and from high to low successively are as follows: high-intensitive, Moderate strength, low-intensity;And vibration rhythm is divided into three grades, and from high to low successively are as follows: fast pace, medium knot It plays, slow rhythm, can be shaken in different ways according to different brackets in this way.

' non-dysacousis ' user can also be simultaneously in addition to playing the operational orders such as voice reminder message certainly for above-mentioned Vibration prompting is carried out, such as carries out vibration prompting in the way of above-mentioned ' dysacousis ' user.

The present invention also provides the safety prompting system preferred embodiments under a kind of external auditory masked state, as shown in figure 3, Comprising:

Audio collection module 100, for acquiring the external audio information of mobile device current environment;

Audio processing modules 200, for according to the external audio information in vehicle audio matching database into Row matching, obtains corresponding vehicles model VT, and according to the vehicles model VT and external audio infomation detection Obtain irritable degree IR and intensity value IV;

Danger classes matching module 300, for using the ginseng of vehicles model VT, irritability degree IR and intensity value IV Number, is matched in matching rule database of the aural perceptible intensity with distance value, obtains danger classes DR;

Safety prompt function module 400, for providing a user corresponding safety prompt function according to the danger classes DR.

Further, as shown in figure 4, the audio processing modules 200 specifically include:

Vehicles model matching unit 210 is used for according to the external audio information in vehicle audio coupling number According to being matched in library, corresponding vehicles model VT is obtained;

Noise reduction unit 220 drops external audio-frequency information for the audio frequency characteristics according to the vehicles model VT It makes an uproar processing;

Intensity detection unit 230 obtains corresponding for carrying out audio intensity detection to the external audio information after noise reduction Intensity value IV;

Irritable degree detecting unit 240, for according to the external audio information duration and interval, detect pair The irritable degree IR answered.

Further, system further include:

Safety prompt function services starting module, for when detecting that mobile device meets set safety prompt function condition, then Start safety prompt function service.

It has been described in detail in the method for technical detail in front about above-mentioned modular unit, so it will not be repeated.

In conclusion external audio information of the present invention by acquisition mobile device local environment, and according to the outside sound Frequency information matches obtain corresponding vehicles model VT, irritability degree IR and intensity value IV, to obtain corresponding danger Grade DR reminds non-motorized transport participant user to pay attention to inherently safe according to danger classes DR by different modes.

It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention Protect range.

Claims (10)

1. a kind of safety prompt function method under external auditory masked state, which is characterized in that comprising steps of
A, the external audio information of mobile device current environment is acquired;
B, it is matched in vehicle audio matching database according to the external audio information, obtains corresponding traffic work Have model, and irritable degree and intensity value are obtained according to the vehicles model and external audio infomation detection;
The irritability degree is determined according to the duration of the external audio information;
C, using the parameter of vehicles model, irritable degree and intensity value, in of aural perceptible intensity and distance value With being matched in rule database, danger classes is obtained;The traffic of different range is stored in the matching rule database Danger classes corresponding to tool model, irritable degree and intensity value;
D, corresponding safety prompt function is provided a user according to the danger classes.
2. the safety prompt function method under external auditory masked state according to claim 1, which is characterized in that the step B is specifically included:
B1, it is matched in vehicle audio matching database according to the external audio information, obtains corresponding traffic Tool model;
B2, according to the audio frequency characteristics of the vehicles model, noise reduction process is carried out to external audio-frequency information;
B3, audio intensity detection is carried out to the external audio information after noise reduction, obtains corresponding intensity value.
3. the safety prompt function method under external auditory masked state according to claim 2, which is characterized in that the step B further include:
B4, the duration according to the external audio information and interval detect corresponding irritable degree.
4. the safety prompt function method under external auditory masked state according to claim 1, which is characterized in that the danger Grade is divided into four grades, and each grade corresponds to different safety prompt function modes.
5. the safety prompt function method under external auditory masked state according to claim 1, which is characterized in that the step Before A further include:
When detecting that mobile device meets set safety prompt function condition, then start safety prompt function service.
6. the safety prompt function method under external auditory masked state according to claim 5, which is characterized in that the safety Alert condition is to detect that user is under moving condition, and mobile device inserts earphone and mobile device is being broadcast Playback video file;Or the safety prompt function condition is selection dysacousis mode, manually boots safety prompt function service.
7. the safety prompting system under a kind of external auditory masked state characterized by comprising
Audio collection module, for acquiring the external audio information of mobile device current environment;
Audio processing modules, for being matched in vehicle audio matching database according to the external audio information, Corresponding vehicles model is obtained, and irritable degree is obtained according to the vehicles model and external audio infomation detection And intensity value;
The irritability degree is determined according to the duration of the external audio information;
Danger classes matching module can be felt for using the parameter of vehicles model, irritable degree and intensity value in audio Know in intensity and the matching rule database of distance value and matched, obtains danger classes;It is deposited in the matching rule database Contain danger classes corresponding to the vehicles model, irritable degree and intensity value of different range;
Safety prompt function module, for providing a user corresponding safety prompt function according to the danger classes.
8. the safety prompting system under external auditory masked state according to claim 7, which is characterized in that the audio Processing module specifically includes:
Vehicles model matching unit, for according to the external audio information in vehicle audio matching database into Row matching, obtains corresponding vehicles model;
Noise reduction unit carries out noise reduction process to external audio-frequency information for the audio frequency characteristics according to the vehicles model;
Intensity detection unit obtains corresponding intensity value for carrying out audio intensity detection to the external audio information after noise reduction.
9. the safety prompting system under external auditory masked state according to claim 8, which is characterized in that the audio Processing module further include:
Irritable degree detecting unit, for according to the external audio information duration and interval, detect corresponding urgency Hot-tempered degree.
10. the safety prompting system under external auditory masked state according to claim 7, which is characterized in that further include:
Safety prompt function services starting module, for when detecting that mobile device meets set safety prompt function condition, then starting Safety prompt function service.
CN201610232139.8A 2016-04-14 2016-04-14 A kind of safety prompt function method and system under external auditory masked state CN105939415B (en)

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CN108831502A (en) * 2018-05-04 2018-11-16 深圳市沃特沃德股份有限公司 Caution sound identified off-line method and device
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