CN113205665A - User posture prompting method and device based on earphone - Google Patents
User posture prompting method and device based on earphoneDownload PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
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Abstract
Description
Technical Field
The application relates to the technical field of wearable equipment, in particular to a method and a device for prompting user gestures based on an earphone.
Background
Such as students, word workers, etc., need to study and work in a sitting posture for a long time; in addition, due to life habits, demand driving, and the like, the time and frequency of using electronic devices such as smartphones in daily life have increased substantially.
In the process of sitting posture study and work and using the smart phone, related personnel have a long-term habit of lowering heads; and long-term lowering of the head deforms the user's spine and may cause fatigue in the user's eyes due to too close proximity to the viewing object.
Disclosure of Invention
In order to solve the technical problem or at least partially solve the technical problem, the application provides a user gesture prompting method and device based on an earphone.
In one aspect, the present application provides a user gesture prompting method based on an earphone, including:
acquiring detection data output by an inertial sensor; the inertial sensor is installed in the earphone;
determining a head pose of the user according to the detection data;
under the condition that the head posture is a specific posture, triggering a distance measuring sensor to work, and acquiring distance data generated by the distance measuring sensor;
generating prompt information under the condition that the distance data is smaller than a set threshold; the prompt information is used for prompting the user to change the head posture.
Optionally, the inertial sensor comprises a three-axis acceleration sensor, and the detection data comprises a three-axis acceleration;
determining a head pose of a user from the detection data, comprising:
and carrying out attitude calculation according to the continuously acquired three-axis acceleration to determine the head attitude.
Optionally, the inertial sensor comprises a gyroscope; the detection data includes a rotational angular velocity;
determining a head pose of a user from the detection data, comprising:
performing attitude calculation according to the rotational angular velocity in the continuous acquisition, and determining the head attitude.
Optionally, the ranging sensor comprises a transmitter and a receiver; at least one of the transmitter and the receiver is mounted in the headset;
triggering the distance measuring sensor to work and acquiring the distance data generated by the distance measuring sensor, comprising:
triggering the transmitter to generate a ranging signal and acquiring a first time for the transmitter to generate the ranging signal; and acquiring a second time when the receiver receives the ranging signal;
calculating the distance data according to the first time, the second time and the type of the ranging signal.
In another aspect, the present application provides a user gesture prompting device based on an earphone, including:
the inertial data acquisition unit is used for acquiring detection data output by the inertial sensor; the inertial sensor is mounted in the headset;
a posture determining unit for determining the head posture of the user according to the detection data and judging whether the head posture is a specific posture;
the distance detection unit is used for triggering the distance measurement sensor to work under the condition that the head posture is a specific posture, and acquiring distance data generated by the distance measurement sensor;
and the prompting unit is used for generating prompting information under the condition that the distance data is smaller than a set threshold value.
Optionally, the inertial sensor comprises a three-axis acceleration sensor, and the detection data comprises a three-axis acceleration;
and the attitude determination unit performs attitude calculation according to the three-axis acceleration to determine the head attitude.
Optionally, the inertial sensor comprises a gyroscope; the detection data includes a rotational angular velocity;
the attitude determination unit performs attitude settlement according to the rotation angular velocity, and determines the head attitude.
Optionally, the ranging sensor comprises a transmitter and a receiver; at least one of the transmitter and the receiver is mounted in the headset; the distance detection unit includes:
the data acquisition subunit is used for triggering the emitter to generate the ranging signal and acquiring the first time when the emitter generates the ranging signal; and acquiring a second time when the receiver receives the ranging signal;
and the calculating subunit is used for calculating the distance data according to the first time, the second time and the type of the ranging signal.
In yet another aspect, the present application provides a headset comprising an inertial sensor, a distance sensor, a memory, and a processor;
the inertial sensor is used for detecting the head gesture motion of the user and generating inertial data;
the distance sensor is used for detecting distance during triggering and generating distance data;
the memory stores a computer program;
the processor is adapted to carry out the steps of the method of any of the preceding claims when executing the computer program.
In a further aspect, the present application provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the method of any of the preceding claims.
According to the user posture prompting method and device based on the earphone, the head posture of a user is determined through an inertial sensor in the earphone, distance detection is triggered and executed when the head posture of the user is a specific posture, and whether prompting information for prompting the change of the user posture is generated or not is determined according to a distance detection result. By adopting the user posture prompting method provided by the embodiment of the application, the user can be prompted when the user learns and works, so that the user can pay attention to the spine health and eye health.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a flowchart of a user gesture prompting method provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of an earphone-based user gesture prompting device according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an earphone provided in an embodiment of the present application;
FIG. 4 is a schematic view of an electronic device provided by an embodiment of the present application;
wherein: 11-an inertial data acquisition unit, 12-an attitude determination unit, 13-a distance detection unit and 14-a prompt unit; 21-inertial sensor, 22-distance sensor, 23-processor 11-data acquisition unit, 12-volume control unit; 31-processor, 32-memory, 33-communication interface 34-system bus.
Detailed Description
In order that the above-mentioned objects, features and advantages of the present application may be more clearly understood, the solution of the present application will be further described below. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein; it is to be understood that the embodiments described in this specification are only some embodiments of the present application and not all embodiments.
The embodiment of the application provides a user posture prompting method based on an earphone, which realizes the detection of the head posture of a user through related hardware in the earphone, generates prompting information and prompts the user when the head posture of the user is determined to be an unhealthy specific posture, so that the user realizes the problem of the head posture and consciously adjusts the posture.
Fig. 1 is a flowchart of a user gesture prompting method provided in an embodiment of the present application, and as shown in fig. 1, the user gesture prompting method provided in the embodiment of the present application includes steps S101 to S106.
S101: and acquiring detection data output by the inertial sensor.
In the embodiment of the application, the inertial sensor is a sensor installed in the earphone. When the user wears the earphone and the earphone is powered on to work, the inertial sensor is also powered on to work. When the inertial sensor works, the internal components of the inertial sensor correspondingly move relatively according to the head posture of the user, and the inertial sensor generates detection data for representing the posture characteristics of the user by detecting the relative movement between the internal components.
It should be noted that the aforementioned earphone may be various types of earphones, for example, it may be any one of an over-the-ear earphone, an in-ear earphone or an earplug, and the embodiment of the present application is not particularly limited. However, it should be noted that, regardless of the type of earphone, the inertial sensor should be mounted in the earphone, and the inertial sensor and the main structure of the earphone are fixedly connected.
In a specific application, because the wearing mode of the earphone is relatively fixed when the user wears the earphone (for example, a part matched with the ear canal and the edge of the auricle is arranged in the earphone, so that the earphone can only be worn according to a specific wearing mode), the position characteristic and the placing angle of the inertial sensor in the earphone relative to the head of the user are fixed; accordingly, as the head posture of the user changes, the position of the inertial sensor and the relative position of the internal components change, and corresponding detection data is generated.
In practical applications, the inertial sensor in the embodiment of the present application may be a three-axis acceleration sensor or an angular velocity sensor, or include both sensors.
The three-axis acceleration sensor can be used for measuring the acceleration of the movement in three mutually perpendicular directions; in practical application, because the direction of the gravitational acceleration is always kept unchanged (specifically, always points to the ground), the movement characteristics of the head of the user in three coordinate directions can be determined by taking the direction of the gravitational acceleration as a reference, and then the accelerations in three mutually perpendicular directions are measured as detection data.
The angular velocity sensor may be used to measure angular velocity variations in three mutually perpendicular directions. Since the headphone is fixed in position with respect to the head of the user so that the respective detection axis reference positions of the angular velocity sensors are fixed with respect to the head of the user, the head posture of the user can be determined based on the change in the angular velocity.
S102: the head pose of the user is determined from the detection data.
And determining the head posture of the user according to the detection data, specifically according to the detection data and a preset data processing algorithm.
And under the condition that the detection data is the triaxial acceleration sensor, determining the conversion relation between the head coordinate system of the user and the geodetic coordinate system according to the acceleration data of the head of the user generated by the acceleration sensor when the head posture of the user is acquired, and determining the head posture of the user according to the conversion relation.
It should be noted that, in the case of determining the posture of the head of the user using the detection data generated by the acceleration sensor, the initial posture of the acceleration sensor should be determined first; i.e. determining an initial pose of the user's head, and determining a subsequent pose of the user's head based on the initial pose and the data generated by the acceleration sensor.
In practical application, when the user wears the headset and turns on the headset, the head of the user is lifted to enable the eyes to face the front for a period of time, and the body of the user is kept still; in the process, the calibration of the initial position of the acceleration sensor is realized; and then, determining the head posture of the user by adopting an integral accumulation method according to the initial calibration data and the detection data generated by the acceleration sensor in the calculation.
In the specific application of the embodiment of the application, when the inertial sensor is an angular velocity sensor, the rotation angular velocity of the angular velocity sensor in each direction can be acquired, and the head posture of the user can be determined by integrating the rotation angular velocity. Similarly, when using an angular velocity sensor, an initial position calibration of the angular velocity sensor is also required first. And then, determining the head posture of the user by adopting an integral accumulation method according to the initial calibration data and the detection data generated by the acceleration sensor in the calculation.
In practical application, an attitude matrix for representing the head attitude of the user can be generated by adopting an Euler angle, direction cosine or quaternion-based method, and the head attitude of the user is determined according to data of the attitude matrix.
S103: judging whether the head posture is a specific posture or not; if yes, go to step S104.
The specific posture refers to an unhealthy head posture. The above unhealthy head posture may be determined autonomously by the user according to the learning, work and life of the user, or may be set uniformly according to the relevant medical standard, and the embodiment of the present application is not particularly limited.
S104: and triggering the distance measuring sensor to work and acquiring distance data generated by the distance measuring sensor.
In the embodiment of the application, the ranging sensor is used for measuring the distance of the general observation object of the head of the user under the condition that the posture of the head of the user is not healthy.
In an embodiment of the present application, a ranging sensor includes a transmitter and a receiver. Wherein at least one of the transmitter and the receiver is mounted in the aforementioned headset, the following may be the specific cases: (1) the transmitter and the receiver are both arranged in the earphone; for example, the transmitter and the receiver are respectively arranged on two earplugs of the earphone, and the orientation of the transmitter and the receiver is the same; (2) one of the transmitter and the receiver is mounted on the headset, and the other is mounted on the observation object with the two facing opposite.
In the case of (2), most of the observation objects are electronic devices including specific structures, such as a tablet computer emitting specific infrared light; in addition, in case (2), it is necessary to ensure the communication connection and clock synchronization between the headset and the tablet computer. In view of the foregoing complexity and limitations of use of the scenario, embodiments of the present application are particularly applicable to a headset having both a transmitter and a receiver.
In this embodiment of the application, the step S104 of triggering the distance measuring sensor to operate and acquiring the distance data generated by the distance measuring sensor may include steps S1041 to S1043.
S1041: triggering the transmitter to generate the ranging signal, and acquiring a first time at which the transmitter generates the ranging signal.
S1042: and acquiring a second time when the receiver receives the ranging signal.
S1043: the range data is calculated based on the first time, the second time, and the type of ranging signal.
It should be noted that the first time and the second time should be clock synchronized. The foregoing type of ranging signal may be used to determine the transmission speed of the ranging signal; for example, if the ranging signal is an ultrasonic signal, its transmission speed is 340m/s, and if the ranging signal is a laser signal, its transmission speed is 299792458 m/s.
Calculating distance data according to the first time, the second time and the type of the ranging signal, firstly, calculating a difference value delta t between the first time and the second time, and determining the distance data D by using the difference value and the transmission speed of the ranging signal. In the case where the transmitter and the receiver are simultaneously mounted on the headset, D ═ C × Δ t/2.
After the distance data is determined, the following steps S105 and S106 are performed.
S105: judging whether the distance data is smaller than a set threshold value; if yes, go to step S106.
S106: and generating prompt information.
In the embodiment of the application, the prompt message is used for prompting that the current posture is not reasonable (or unhealthy). Specifically, if the distance data is less than the set threshold, it is determined that the distance between the earphone and the user viewing object is less than the set threshold, which indicates that the user is learning or doing word work with a high probability, and because the user posture is a specific posture and the user is in a learning or working state, the user posture is not healthy, and therefore prompt information needs to be generated to inform the user that the posture may be incorrect, so as to actively adjust the posture.
As can be seen from the foregoing analysis, in the user posture prompting method provided in the embodiment of the present application, the head posture of the user is determined by the inertial sensor in the earphone, the distance detection is triggered and executed for the specific posture in the head posture of the user, and whether to generate the prompting information for prompting the change of the user posture is determined according to the distance detection result. By adopting the user posture prompting method provided by the embodiment of the application, the user can be prompted, and then the user can pay attention to the spine health and eye health.
It should be noted that the user posture prompting method provided by the embodiment of the application can prompt the user of unhealthy postures under various conditions such as learning, working, walking and watching a mobile phone.
Besides providing the user gesture prompting method, the embodiment of the application also provides an earphone-based user gesture prompting device which has the same inventive concept as the method.
Fig. 2 is a schematic structural diagram of a user gesture prompting device based on an earphone according to an embodiment of the present application. As shown in fig. 2, the posture prompting device provided in the embodiment of the present application includes an inertialdata acquisition unit 11, aposture determination unit 12, adistance detection unit 13, and a promptingunit 14.
The inertialdata acquisition unit 11 is used for acquiring detection data output by the inertial sensor.
In the embodiment of the application, the inertial sensor is a sensor installed in the earphone. When the user wears the earphone and the earphone is powered on to work, the inertial sensor is also powered on to work. When the inertial sensor works, the internal components of the inertial sensor correspondingly move relatively according to the head posture of the user, and the inertial sensor generates detection data for representing the posture characteristics of the user by detecting the relative movement between the internal components.
It should be noted that the aforementioned earphone may be various types of earphones, for example, it may be any one of an over-the-ear earphone, an in-ear earphone or an earplug, and the embodiment of the present application is not particularly limited. However, it should be noted that, regardless of the type of earphone, the inertial sensor should be mounted in the earphone, and the inertial sensor and the main structure of the earphone are fixedly connected.
In a specific application, because the wearing mode of the earphone is relatively fixed when the user wears the earphone (for example, a part matched with the ear canal and the edge of the auricle is arranged in the earphone, so that the earphone can only be worn according to a specific wearing mode), the position characteristic and the placing angle of the inertial sensor in the earphone relative to the head of the user are fixed; accordingly, as the head posture of the user changes, the position of the inertial sensor and the relative position of the internal components change, and corresponding detection data is generated.
In practical applications, the inertial sensor in the embodiment of the present application may be a three-axis acceleration sensor or an angular velocity sensor, or include both sensors.
The three-axis acceleration sensor can be used for measuring the acceleration of the movement in three mutually perpendicular directions; in practical application, because the direction of the gravitational acceleration is always kept unchanged (specifically, always points to the ground), the movement characteristics of the head of the user in three coordinate directions can be determined by taking the direction of the gravitational acceleration as a reference, and then the accelerations in three mutually perpendicular directions are measured as detection data.
The angular velocity sensor may be used to measure angular velocity variations in three mutually perpendicular directions. Since the headphone is fixed in position with respect to the head of the user so that the respective detection axis reference positions of the angular velocity sensors are fixed with respect to the head of the user, the head posture of the user can be determined based on the change in the angular velocity.
Theposture determination unit 12 is configured to determine a head posture of the user from the detection data, and determine whether the head posture is a specific posture.
And determining the head posture of the user according to the detection data, specifically according to the detection data and a preset data processing algorithm.
And under the condition that the detection data is the triaxial acceleration sensor, determining the conversion relation between the head coordinate system of the user and the geodetic coordinate system according to the acceleration data of the head of the user generated by the acceleration sensor when the head posture of the user is acquired, and determining the head posture of the user according to the conversion relation.
It should be noted that, in the case of determining the posture of the head of the user using the detection data generated by the acceleration sensor, the initial posture of the acceleration sensor should be determined first; i.e. determining an initial pose of the user's head, and determining a subsequent pose of the user's head based on the initial pose and the data generated by the acceleration sensor.
In practical application, when the user wears the headset and turns on the headset, the head of the user is lifted to enable the eyes to face the front for a period of time, and the body of the user is kept still; in the process, the calibration of the initial position of the acceleration sensor is realized; and then, determining the head posture of the user by adopting an integral accumulation method according to the initial calibration data and the detection data generated by the acceleration sensor in the calculation.
In the specific application of the embodiment of the application, when the inertial sensor is an angular velocity sensor, the rotation angular velocity of the angular velocity sensor in each direction can be acquired, and the head posture of the user can be determined by integrating the rotation angular velocity. Similarly, when using an angular velocity sensor, an initial position calibration of the angular velocity sensor is also required first. And then, determining the head posture of the user by adopting an integral accumulation method according to the initial calibration data and the detection data generated by the acceleration sensor in the calculation.
In practical application, an attitude matrix for representing the head attitude of the user can be generated by adopting an Euler angle, direction cosine or quaternion-based method, and the head attitude of the user is determined according to data of the attitude matrix.
The specific posture refers to an unhealthy head posture. The above unhealthy head posture may be determined autonomously by the user according to the learning, work and life of the user, or may be set uniformly according to the relevant medical standard, and the embodiment of the present application is not particularly limited.
Thedistance detection unit 13 is configured to trigger the distance measurement sensor to operate when the head posture is a specific posture, and acquire distance data generated by the distance measurement sensor.
In the embodiment of the application, the ranging sensor is used for measuring the distance of the general observation object of the head of the user under the condition that the posture of the head of the user is not healthy.
In an embodiment of the present application, a ranging sensor includes a transmitter and a receiver. Wherein at least one of the transmitter and the receiver is mounted in the aforementioned headset, the following may be the specific cases: (1) the transmitter and the receiver are both arranged in the earphone; for example, the transmitter and the receiver are respectively arranged on two earplugs of the earphone, and the orientation of the transmitter and the receiver is the same; (2) one of the transmitter and the receiver is mounted on the headset, and the other is mounted on the observation object with the two facing opposite.
In the case of (2), most of the observation objects are electronic devices including specific structures, such as a tablet computer emitting specific infrared light; in addition, in case (2), it is necessary to ensure the communication connection and clock synchronization between the headset and the tablet computer. In view of the foregoing complexity and limitations of use of the scenario, embodiments of the present application are particularly applicable to a headset having both a transmitter and a receiver.
In the embodiment of the present application, the distance measuring unit may include a data acquiring subunit and a calculating subunit.
The data acquisition subunit is used for triggering the emitter to generate the ranging signal and acquiring the first time for the emitter to generate the ranging signal; and acquiring a second time when the receiver receives the ranging signal;
the calculating subunit is configured to calculate distance data according to the first time, the second time, and the type of the ranging signal.
It should be noted that the first time and the second time should be clock synchronized. The foregoing type of ranging signal may be used to determine the transmission speed of the ranging signal; for example, if the ranging signal is an ultrasonic signal, its transmission speed is 340m/s, and if the ranging signal is a laser signal, its transmission speed is 299792458 m/s.
Calculating distance data according to the first time, the second time and the type of the ranging signal, firstly, calculating a difference value delta t between the first time and the second time, and determining the distance data D by using the difference value and the transmission speed of the ranging signal. In the case where the transmitter and the receiver are simultaneously mounted on the headset, D ═ C × Δ t/2.
Thepresentation unit 14 is configured to generate presentation information when the distance data is smaller than a set threshold.
In the embodiment of the application, the prompt message is used for prompting that the current posture is not reasonable (or unhealthy). Specifically, if the distance data is less than the set threshold, it is determined that the distance between the earphone and the user viewing object is less than the set threshold, which indicates that the user is learning or doing word work with a high probability, and because the user posture is a specific posture and the user is in a learning or working state, the user posture is not healthy, and therefore prompt information needs to be generated to inform the user that the posture may be incorrect, so as to actively adjust the posture.
As can be seen from the foregoing analysis, in the user posture prompting apparatus provided in the embodiment of the present application, the head posture of the user is determined by the inertial sensor in the earphone, the distance detection is triggered and executed for the specific posture in the head posture of the user, and whether to generate the prompting information for prompting the change of the posture of the user is determined according to the distance detection result. By adopting the user posture prompting method provided by the embodiment of the application, the user can be prompted, and then the user can pay attention to the spine health and eye health.
Besides providing the user gesture prompting method and device based on the earphone, the embodiment of the application further provides the earphone. Fig. 3 is a schematic structural diagram of an earphone according to an embodiment of the present application. As shown in fig. 3, the earphone provided by the embodiment of the present application includes aninertial sensor 21, adistance sensor 22, and aprocessor 23.
Theinertial sensor 21 is installed inside the earphone, and theinertial sensor 21 is used for detecting the head gesture of the user and generating inertial data.
Thedistance sensor 22 is installed outside the headset, and after the user wears the headset, thedistance sensor 22 faces the face-facing side of the user; thedistance sensor 22 is used to detect a distance when triggered, and generates distance data.
Theprocessor 23 is configured to implement the prompting of the user gesture by performing the following steps S201-S206.
S201: detection data output from theinertial sensor 21 is acquired.
S202: the head pose of the user is determined from the detection data.
S203: judging whether the head posture is a specific posture or not; if yes, go to step S204.
S204: and triggering the distance measuring sensor to work and acquiring distance data generated by the distance measuring sensor.
S205: judging whether the distance data is smaller than a set threshold value; if yes, go to step S206.
S206: and generating prompt information.
According to the earphone provided by the application, theinertial sensor 21 is used for detecting data, determining that the head posture of a user is a specific posture, triggering and executing distance detection, and determining whether prompt information for prompting the posture change of the user is generated or not according to a distance detection result. By adopting the earphone provided by the embodiment of the application, the user can be prompted, and then the user can pay attention to the effects of spinal health and eye hygiene.
The embodiment of the application also provides the electronic equipment. Fig. 4 is a schematic diagram of an electronic device provided in an embodiment of the present application. As shown in fig. 4, the electronic device includes aprocessor 31, amemory 32, and acommunication interface 33 connected by asystem bus 34.
Theprocessor 31 of the electronic device is used to provide computing and control capabilities and thememory 32 comprises a non-volatile storage medium or internal memory.
The non-volatile storage medium stores an operating system, a computer program, and a database. Theinternal memory 32 provides an environment for the operating system and the computer program to run on the nonvolatile storage medium. Thenon-volatile Memory 32 may include Read-Only Memory 32 (ROM), magnetic tape, floppy disk, flash oroptical Memory 32, etc. Thevolatile Memory 32 may include a Random Access Memory 32 (RAM) or anexternal cache Memory 32. By way of illustration and not limitation, RAM is available in a variety of forms, such as Static Random Access Memory (SRAM) 32 and Dynamic Random Access Memory (DRAM) 32
In one embodiment, the computer program is executed by theprocessor 31 to implement steps S301-306.
S301: and acquiring detection data output by the inertial sensor.
S302: the head pose of the user is determined from the detection data.
S303: judging whether the head posture is a specific posture or not; if yes, go to step S304.
S304: and triggering the distance measuring sensor to work and acquiring distance data generated by the distance measuring sensor.
S305: judging whether the distance data is smaller than a set threshold value; if yes, go to step S306.
S306: and generating prompt information.
Those skilled in the art will appreciate that the configuration shown in fig. 4 is a block diagram of only a portion of the configuration associated with the present application, and does not constitute a limitation on the electronic device to which the present application is applied, and a particular electronic device may include more or less components than those shown in the drawings, or combine certain components, or have a different arrangement of components.
In addition, an embodiment of the present application further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the aforementioned steps of the earphone-based user gesture prompting method.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A user posture prompting method based on an earphone is characterized by comprising the following steps:
acquiring detection data output by an inertial sensor; the inertial sensor is installed in the earphone;
determining a head pose of the user according to the detection data;
under the condition that the head posture is a specific posture, triggering a distance measuring sensor to work, and acquiring distance data generated by the distance measuring sensor;
generating prompt information under the condition that the distance data is smaller than a set threshold; the prompt information is used for prompting the user to change the head posture.
2. The user gesture prompting method of claim 1, wherein the inertial sensor comprises a three-axis acceleration sensor, and the detection data comprises a three-axis acceleration;
determining a head pose of a user from the detection data, comprising:
and carrying out attitude calculation according to the continuously acquired three-axis acceleration to determine the head attitude.
3. The user gesture prompting method of claim 1, wherein the inertial sensor comprises a gyroscope; the detection data includes a rotational angular velocity;
determining a head pose of a user from the detection data, comprising:
performing attitude calculation according to the rotational angular velocity in the continuous acquisition, and determining the head attitude.
4. The user gesture prompting method of claim 1, wherein the ranging sensor comprises a transmitter and a receiver; at least one of the transmitter and the receiver is mounted in the headset;
triggering the distance measuring sensor to work and acquiring the distance data generated by the distance measuring sensor, comprising:
triggering the transmitter to generate a ranging signal and acquiring a first time for the transmitter to generate the ranging signal; and acquiring a second time when the receiver receives the ranging signal;
calculating the distance data according to the first time, the second time and the type of the ranging signal.
5. An earphone-based user gesture prompting device, comprising:
the inertial data acquisition unit is used for acquiring detection data output by the inertial sensor; the inertial sensor is mounted in the headset;
a posture determining unit for determining the head posture of the user according to the detection data and judging whether the head posture is a specific posture;
the distance detection unit is used for triggering the distance measurement sensor to work under the condition that the head posture is a specific posture, and acquiring distance data generated by the distance measurement sensor;
and the prompting unit is used for generating prompting information under the condition that the distance data is smaller than a set threshold value.
6. The user gesture prompting device of claim 5, wherein the inertial sensor comprises a three-axis acceleration sensor, and the detection data comprises a three-axis acceleration;
and the attitude determination unit performs attitude calculation according to the three-axis acceleration to determine the head attitude.
7. The user gesture prompting device of claim 5, wherein the inertial sensor includes a gyroscope; the detection data includes a rotational angular velocity;
the attitude determination unit performs attitude settlement according to the rotation angular velocity, and determines the head attitude.
8. The user gesture prompting device of claim 5, wherein the ranging sensor comprises a transmitter and a receiver; at least one of the transmitter and the receiver is mounted in the headset; the distance detection unit includes:
the data acquisition subunit is used for triggering the emitter to generate the ranging signal and acquiring the first time when the emitter generates the ranging signal; and acquiring a second time when the receiver receives the ranging signal;
and the calculating subunit is used for calculating the distance data according to the first time, the second time and the type of the ranging signal.
9. An earphone comprising an inertial sensor, a distance sensor, and a processor;
the inertial sensor is used for detecting the head gesture motion of the user and generating inertial data;
the distance sensor is used for detecting distance during triggering and generating distance data;
the processor is adapted to carry out the steps of the method of any one of claims 1 to 4 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 4.
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