CN107203046B - Head-mounted electronic device and audio processing method - Google Patents
Head-mounted electronic device and audio processing method Download PDFInfo
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- CN107203046B CN107203046B CN201710397866.4A CN201710397866A CN107203046B CN 107203046 B CN107203046 B CN 107203046B CN 201710397866 A CN201710397866 A CN 201710397866A CN 107203046 B CN107203046 B CN 107203046B
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
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Abstract
The embodiment of the invention provides head-mounted electronic equipment and an audio processing method. The head-mounted electronic equipment according to the embodiment of the invention comprises: a fixing unit by which the head-mounted electronic apparatus can be worn on a head of a user; a processing unit disposed in the fixing unit, configured to perform audio processing and output a first audio signal; and a first bone conduction unit disposed at an inner side of the fixing unit, configured to generate vibration according to the first audio signal so that the user listens to the first audio through the generated vibration, wherein the inner side of the fixing unit is a side of the fixing unit close to the head of the user when the head-mounted electronic device is worn on the head of the user, and the first bone conduction unit is in contact with the head of the user when the head-mounted electronic device is worn on the head of the user so that the user can perceive the vibration generated by the first bone conduction unit.
Description
The present application is a divisional application of an invention patent application with application number 201210496453.9 entitled "head-mounted electronic device and audio processing method" filed on 11/28/2012.
Technical Field
Embodiments of the present invention relate to a head-mounted electronic device and an audio processing method.
Background
With the development of communication technology, various portable electronic devices are widely used, such as tablet computers, smart phones, game machines, and portable multimedia players. However, when using current portable electronic devices, a user is often required to hold the electronic device with a hand and maintain a particular posture to operate the electronic device or view content displayed by the electronic device. This makes it difficult for the user to perform other operations when operating the electronic device, and makes the user easily feel fatigue in his hands, shoulders, neck, and the like after a certain period of operation.
Accordingly, it is desirable to provide a new portable electronic device to free up the user's hands, change the user's operation posture, and bring a better use experience to the user while reducing the occupied space.
Disclosure of Invention
An object of an embodiment of the present invention is to provide a head-mounted electronic device and an audio processing method, so as to solve the above problems.
One embodiment of the present invention provides a head-mounted electronic device, including: a fixing unit by which the head-mounted electronic apparatus can be worn on a head of a user; a processing unit disposed in the fixing unit, configured to perform audio processing and output a first audio signal; and a first bone conduction unit disposed at an inner side of the fixing unit, configured to generate vibration according to the first audio signal so that the user listens to the first audio through the generated vibration, wherein the inner side of the fixing unit is a side of the fixing unit close to the head of the user when the head-mounted electronic device is worn on the head of the user, and the first bone conduction unit is in contact with the head of the user when the head-mounted electronic device is worn on the head of the user so that the user can perceive the vibration generated by the first bone conduction unit.
Another embodiment of the present invention further provides an audio processing method applied to a head-mounted electronic device, where the head-mounted electronic device includes: a fixing unit by which the head-mounted electronic apparatus can be worn on a head of a user; and a first bone conduction unit disposed at an inner side of the fixing unit, wherein the inner side of the fixing unit is a side of the fixing unit close to the head of the user when the head-mounted electronic device is worn on the head of the user, and the first bone conduction unit is in contact with the head of the user when the head-mounted electronic device is worn on the head of the user. The method comprises the following steps: processing an audio file and outputting a first audio signal; receiving a first audio signal output by the processing unit through a first bone conduction unit; the vibration is generated according to the first audio signal through the first bone conduction unit so that the user listens to the first audio through the generated vibration.
In the head-mounted electronic device and the audio processing method according to the embodiment of the invention, the user can listen to the audio by using the inner bone conduction unit arranged on the head-mounted electronic device, so that the audio output quality is improved. Further, since it is not necessary to provide a conventional audio playing unit such as a speaker, an earphone, or the like in the head mounted electronic apparatus, the content listened to by the user is prevented from being known to others while reducing the space occupied by the head mounted electronic apparatus.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments of the present invention will be briefly described below.
FIG. 1 is an exemplary block diagram illustrating a head mounted electronic device according to one embodiment of the invention.
Fig. 2 is a schematic view illustrating a first bone conduction unit according to an example of the present invention.
Fig. 3a and 3b are explanatory views showing a schematic case where the first bone conduction unit is bent by an alternating voltage according to an example of the present invention.
Fig. 4 is an explanatory diagram showing one example situation of the head mounted electronic apparatus shown in fig. 1.
Fig. 5 is an explanatory diagram showing another example situation of the head mounted electronic apparatus shown in fig. 1.
Fig. 6 is an exemplary block diagram illustrating a display unit according to one example of the present invention.
Fig. 7 is a top view illustrating one example scenario according to the head mounted electronic device shown in fig. 5.
Fig. 8 is a top view illustrating another example situation according to the head mounted electronic device illustrated in fig. 5.
Fig. 9 is a top view illustrating one example scenario according to the head mounted electronic device shown in fig. 8.
Fig. 10 is a top view illustrating another example situation according to the head mounted electronic device illustrated in fig. 8.
Fig. 11 is a top view illustrating still another example situation according to the head mounted electronic apparatus illustrated in fig. 8.
Fig. 12 is a top view illustrating a further example situation according to the head mounted electronic apparatus illustrated in fig. 8.
Fig. 13 is a flowchart describing an audio processing method according to an embodiment of the present invention.
Fig. 14 is an enlarged partial sectional view illustrating a first support arm according to the head mounted electronic device illustrated in fig. 5.
Fig. 15 is an explanatory diagram showing one schematic situation of the display unit 600 shown in fig. 6.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that in the present specification and the drawings, steps and elements having substantially the same structure are denoted by the same reference numerals, and repeated explanation of the steps and elements will be omitted.
Next, a head-mounted electronic apparatus according to an embodiment of the present invention will be described with reference to fig. 1. FIG. 1 shows an exemplary block diagram of a head mounted electronic device 100 according to one embodiment of the invention. As shown in fig. 1, the head-mounted electronic device 100 includes a fixing unit 110, a processing unit 120, and a first bone conduction unit 130.
The head-mounted electronic apparatus 100 can be worn on the head of the user through the fixing unit 110. For example, the fixing unit 110 may include wearing parts such as a helmet, a headband, and the like. Alternatively, the fixing unit 110 may also include a support arm that can be supported on the ear of the user. The processing unit 120 is provided in the fixing unit. The processing unit 120 may perform audio processing and output a first audio signal. For example, an audio file may be stored in advance in the head mounted electronic apparatus 100. The processing unit 120 may obtain the stored audio file and perform a play operation on the file to output a first audio signal. For another example, the head-mounted electronic device 100 may further include a transmitting/receiving unit to receive an audio file transmitted from another electronic device. The processing unit 120 may obtain the received audio file and perform a play operation on the file to output a first audio signal.
The first bone conduction unit 130 may be disposed at the inner side of the fixing unit 110. In an example of the present invention, the inner side of the fixing unit is a side of the fixing unit 110 close to the head of the user when the head-mounted electronic device is worn on the head of the user. The first bone conduction unit 130 may generate vibration according to the first audio signal from the processing unit 120 so that the user listens to the first audio through the generated vibration. Specifically, when the head-mounted electronic device 100 is worn on the head of the user, the first bone conduction unit 130 is in contact with the head of the user, so that the user can perceive the vibration generated by the first bone conduction unit 130.
According to an example of the present invention, the first bone conduction unit 130 may directly receive the first audio signal from the processing unit 120 and generate vibration according to the first audio signal. Alternatively, according to another example of the present invention, the head-mounted electronic device 100 may further include a power amplifying unit disposed in the fixing unit 120. The power amplifying unit may receive the first audio signal from the processing unit 120 and amplify the first audio signal, wherein the amplified first audio signal is an ac voltage signal. The power amplification unit may apply the amplified first audio signal to the first bone conduction unit 130. The first bone conduction unit 130 may be driven by the amplified first audio signal to generate vibration.
Fig. 2 is a schematic view illustrating a first bone conduction unit according to an example of the present invention. As shown in fig. 2, in one example of the present invention, the first bone conduction unit 130 may include a piezoelectric sheet 131, and an upper metal substrate 132 disposed corresponding to the piezoelectric sheet 131 and disposed on an upper layer of the piezoelectric sheet 131, and a lower metal substrate 133 disposed corresponding to the piezoelectric sheet 131 and disposed on a lower layer of the piezoelectric sheet 131. For example, the piezoelectric sheet 131 may be a ceramic sheet. The piezoelectric sheet may be polarized in advance such that a predetermined electric field is formed inside the piezoelectric sheet as indicated by arrow a in fig. 2. When the alternating voltage V from the power amplifying unit is applied to the metal substrate, the piezoelectric sheet and the metal substrate are bent by the alternating voltage to generate vibration according to the first audio signal.
Fig. 3a and 3b are explanatory views showing a schematic case where the first bone conduction unit 130 is bent by an alternating voltage according to an example of the present invention. As shown in fig. 3a, when the direction of the electric field formed by the alternating voltage from the power amplifying unit is the same as the direction of the predetermined electric field formed inside the piezoelectric sheet, the piezoelectric sheet and the metal substrate in the first bone conduction unit 130 are bent in the direction indicated by the arrow B. On the other hand, as shown in fig. 3b, when the direction of the electric field formed by the alternating voltage from the power amplifying unit is opposite to the direction of the predetermined electric field formed inside the piezoelectric sheet, the piezoelectric sheet and the metal substrate in the first bone conduction unit 130 are bent in the direction indicated by the arrow C. That is, the unit is rapidly bent according to the first bone conduction unit according to the first audio signal output from the processing unit 120 to generate vibration.
Preferably, the length and thickness of the piezoelectric sheet may be set according to a required amount of deformation displacement of the first bone conduction unit when the alternating voltage is applied. When the required amount of deformation displacement is larger, the length of the piezoelectric sheet may be set to be longer, and the thickness may be set to be thinner. Further, when the required amount of displacement of the deformation is larger, the amplification factor of the power amplifying unit may be set larger.
Further, according to another example of the present invention, the first bone conduction unit may further include an insulating flexible protective layer, for example, a silicone protective layer, covering the upper layer of the metal substrate. When the head-mounted electronic equipment is worn on the head of a user, the head of the user is in contact with the insulating flexible protective layer.
In addition, a schematic diagram of a single-crystal bone conduction unit including one piece of piezoelectric sheet and a corresponding metal substrate is shown in fig. 2. However, the present invention is not limited thereto, and a bimorph or polycrystalline bone conduction unit including two or more piezoelectric sheets and metal substrates respectively corresponding to the piezoelectric sheets may also be employed according to another example of the present invention.
In the embodiment shown in fig. 2, the bone conduction unit based on the piezoelectric sheet and the metal substrate is described as an example, but the present invention is not limited thereto. According to another example of the present invention, the first bone conduction unit 130 may include a voice coil, a magnet, and a diaphragm. The first audio signal from the processing unit 120 may be provided directly to the voice coil. Alternatively, as described above, the head-mounted electronic device 100 may further include a power amplification unit provided in the fixing unit 120. The power amplification unit may receive the first audio signal from the processing unit 120 and amplify the first audio signal. In this example, the amplified first audio signal is an alternating current signal. The power amplifying unit may apply the amplified first audio signal to the voice coil in the first bone conduction unit 130. When an audio signal passes through the voice coil in the magnetic field generated by the magnet, a magnetic field is generated that varies with the audio current. The changing magnetic field interacts with the magnetic field generated by the magnet to generate a driving force, which vibrates the voice coil and the diaphragm coupled to the voice coil.
Through the head-mounted electronic equipment provided by the embodiment of the invention, a user can listen to audio by using the inner bone conduction unit arranged on the head-mounted electronic equipment, so that the audio output quality is improved. Further, since it is not necessary to provide a conventional audio playing unit such as a speaker, an earphone, or the like in the head mounted electronic apparatus, the content listened to by the user is prevented from being known to others while reducing the space occupied by the head mounted electronic apparatus.
Fig. 4 is an explanatory diagram showing one example situation of the head mounted electronic apparatus shown in fig. 1. The head mounted electronic apparatus 400 is a glasses type electronic apparatus, and the head mounted electronic apparatus 400 includes a frame member 410, a lens member 420 connected to the frame member 410, a first support arm 430, a second support arm 440, a third holding portion, a processing unit, and a first bone conduction unit.
As shown in fig. 4, the first support arm 430 includes a first connecting portion 431 (shown in phantom in fig. 4) and a first holding portion 432. The first connecting portion 431 connects the frame member 410 and the first holding portion 432. The second support arm 440 includes a second connecting portion 441 (shown in phantom in fig. 4) and a second retaining portion 442. The second connecting portion 441 connects the frame member 410 and the second holding portion 442. A third holding portion (not shown) is provided on the frame member 410. Specifically, the third retaining portion may be provided at a location where the frame member 410 is located between the two lens members. The head-mounted electronic device is held on the head of the user by the first holding portion, the second holding portion, and the third holding portion. In particular, the first and second retaining portions may be used to support the first and second support arms 430, 440 at the user's ears, while the third retaining portion may be used to support the frame member 410 at the user's nose bridge.
A processing unit (not shown) may be provided in the first support arm 430 and/or the second support arm 440. The processing unit may perform audio processing and output a first audio signal.
Components such as a display unit, a processing unit (e.g., an image processing unit), and the like in an existing head mounted electronic apparatus are generally integrated in a main body of a head mounted display device. The body of the electronic device is supported at the bridge of the user's nose such that a majority of the body of the electronic device is located in the user's viewable area. However, since the main body portion of the display device is generally bulky and heavy, it gives a large pressure to the bridge of the nose of the user, making the user feel uncomfortable when wearing it, and moreover, since it is easy to cause falling-off, it is inconvenient for the user to perform an activity such as turning the head when wearing such a head-mounted display device.
In view of this, according to one example of the invention, the processing unit may be arranged in the first holding portion and/or the second holding portion such that a first distance between a geometric center of the head mounted electronic device and a plane in which the lens part is located is smaller than a second distance between a center of gravity of the head mounted electronic device and the plane in which the lens part is located. That is, the center of gravity of the head-mounted electronic device is located as far away from the plane where the lens member is located as possible and close to the first holding portion and the second holding portion, so that the burden on the bridge of the nose when the head-mounted electronic device is worn is reduced, thereby facilitating activities such as turning the head of the user and facilitating use and wearing of the user.
Furthermore, according to another example of the present invention, the head-mounted electronic device further includes a power supply unit such as a battery. The processing unit may be disposed in the first holding portion and the power supply unit may be disposed in the second holding portion such that the vertical distances from the center of gravity of the head-mounted electronic device to the first and second support arms are substantially the same, that is, the center of gravity of the head-mounted electronic device is located substantially centrally between the first and second support arms. Therefore, when the user wears the head-wearing electronic equipment, the stress of the left ear and the stress of the right ear are balanced.
A first bone conduction unit (not shown) may be disposed inside the first connection part 431 of the first support arm 430 and generate vibration according to the first audio signal. As described above, the head-mounted electronic device 400 may further include a power amplification unit to receive and amplify the first audio signal and provide the amplified first audio signal to the first bone conduction unit. The power amplifying unit may be disposed in the first support arm. As described above, the first bone conduction unit may have a structure as shown in fig. 2, and the upper metal substrate, the piezoelectric sheet, and the lower metal substrate may be sequentially disposed in a direction perpendicular to the length direction of the first connection portion 431. In addition, as described above, the first bone conduction unit may further include an insulating flexible protective layer, for example, a silicone protective layer, covering the upper layer of the metal substrate. When the head-mounted electronic equipment is worn on the head of a user, the head of the user is in contact with the insulating flexible protective layer. Preferably, the insulating flexible protective layer may be formed as a part of the first connection portion 431.
Furthermore, according to another embodiment of the present invention, the processing unit may further perform audio processing and output a second audio signal, wherein the second audio signal is the same as or different from the first audio signal. In addition, the electronic device 400 may further include a second bone conduction unit and a second power supply unit provided in the second support arm. The second bone conduction unit may be disposed inside the second support arm and generate vibration according to the second audio signal, so that the user listens to the second audio through the generated vibration. The second bone conduction unit is similar to the first bone conduction unit, and the second power supply unit is similar to the first power supply unit, so the description is omitted here. When the head-mounted electronic device is worn on the head of the user, the second bone conduction unit is in contact with the head of the user, so that the user can perceive the vibration generated by the second bone conduction unit.
Furthermore, according to another embodiment of the present invention, the head mounted electronic device may further include a first data transmission line and a display unit. Fig. 5 is an explanatory diagram showing another example situation of the head mounted electronic apparatus shown in fig. 1. Similar to the head-mounted electronic device 400, the head-mounted electronic device 500 is a glasses-type electronic device. The head-mounted electronic apparatus 500 includes a frame member 510 similar to the frame member 410, a lens member 420 connected to the frame member 410, a first support arm 430, a second support arm 440, a third holding portion, a processing unit, and a first bone conduction unit in the head-mounted electronic apparatus 400, a lens member 520 connected to the frame member 510, a first support arm 530, a second support arm 540, a third holding portion, a processing unit, and a first bone conduction unit, and thus, will not be described in detail herein. In this embodiment, the processing unit may further perform video processing and output the first video signal.
In addition, the head-mounted electronic device 500 may further include a first data transmission line and a display unit in this implementation. The first data transmission line may be provided in the fixed unit and the mirror frame member. The first data transmission line may transmit the first video signal to the display unit. The display unit may display to a user according to the first video signal. In the present embodiment, the first video signal may be a video signal corresponding to the first audio signal. For example, when the user watches a movie through the head-mounted electronic device 500, the first video signal may be an image signal of the movie, and the first audio signal may be an audio signal of the movie corresponding to the image signal. For another example, when the user makes a video call through the head-mounted electronic device 500, the first video signal may be an image signal from the communication party, and the first audio signal may be an audio signal from the communication party. Alternatively, the first video signal is independent of the first audio signal. For example, the first video signal may be an image signal regarding a picture, a video image, text, a combination of a picture, text, and a picture, and the like. A separate storage unit may be provided in the head-mounted electronic device 500 to store the image files. Alternatively, the head-mounted electronic device 500 may also receive an image file to be displayed from an electronic device such as a computer, a smart phone, a multimedia player, and the like connected thereto by a wired or wireless manner. For example, the head mounted electronic device 500 may further include a communication unit to receive an image file to be displayed from an electronic device such as a computer, a smart phone, a multimedia player, and the like. Further, although the description has been made taking the data transmission line as an example in the present embodiment, the present invention is not limited thereto, and for example, according to another example of the present invention, the first video signal may also be transmitted to the display unit by wireless transmission.
Fig. 6 is an exemplary block diagram illustrating a display unit according to one example of the present invention. As shown in fig. 6, the display unit 600 may include a first display module 610, a first optical system 620, a first light guide member 630, and a second light guide member 640. Fig. 15 is an explanatory diagram showing one schematic situation of the display unit 600 shown in fig. 6.
The first display module 610 may be disposed in the mirror frame member 510 and connected with a first data transmission line. The first display module 610 can display a first image according to the first video signal transmitted by the first data transmission line. According to an example of the present invention, the first display module 610 may be a display module of a micro display screen having a small size.
The first optical system 620 may also be provided in the frame member 510. The first optical system 620 may receive light emitted from the first display module and perform optical path conversion on the light emitted from the first display module to form a first enlarged virtual image. That is, the first optical system 620 has a positive refractive power. So that the user can clearly view the first image and the size of the image viewed by the user is not limited by the size of the display unit.
For example, the optical system may include a convex lens. Alternatively, the optical system may also form a lens assembly from a plurality of lenses including convex and concave lenses in order to reduce aberrations, avoid interference with imaging by chromatic dispersion, etc., resulting in a better visual experience for the user. Further, according to an example of the present invention, the first display module 610 and the first optical system 620 may be disposed correspondingly along an optical axis of the optical system. Alternatively, according to another example of the present invention, the display unit may further include a fifth light guide member to transmit the light emitted from the first display module 610 to the first optical system 620.
As shown in fig. 15, after the first optical system 620 receives the light emitted from the first display module 610 and performs optical path conversion on the light emitted from the first display module 610, the first light guide member 630 may transmit the light passing through the first optical system to the second light guide member 640. The second light guide part 640 may be disposed in the lens part 520. And the second light guide member may receive the light transmitted through the first light guide member 630 and reflect the light transmitted by the first light guide member 630 toward the eyes of the user wearing the head-mounted electronic device.
Returning to fig. 5, alternatively, the lens member 520 satisfies a first predetermined light transmittance in a direction from the inner side to the outer side, so that the user can view the surrounding environment while viewing the first magnified virtual image. On the other hand, the lens satisfies a second predetermined light transmittance in a direction from the outer side to the inner side. So that part of the light can be refracted or reflected when the light in the surrounding environment is strong.
Further, as shown in fig. 5, according to an example of the present invention, the frame member 510 may include a first pile portion 511 connected to the first support arm 530 and a first pile portion 512 connected to the second support arm 540 (as shown in the circle of fig. 5).
Fig. 7 is a plan view showing one example situation according to the head mounted electronic apparatus shown in fig. 5, and fig. 7 shows an internal structure of the frame member 510. As shown in fig. 7, the first display module and the first optical system in the display unit are disposed in the first stub portion 511 of the mirror frame member 510, and the first display module is connected with the first data transmission line 710. Further, a lens member 520 is provided in the frame member 510. As described above, the first light guide member may transmit the light passing through the first optical system to the second light guide member provided in the lens member 520.
Preferably, in the example shown in fig. 5, the processing unit may further perform video processing and output a second video signal, wherein the second video signal is the same as or different from the first video signal. The head mounted electronic device 500 may also include a second data transmission line. A second data transmission line may be provided in the fixing unit and the mirror frame member to transmit the second video signal to the display unit. The display unit may further include a second display module, a second optical system, a third light guide member, and a fourth light guide member.
A second display module may be provided in the frame member and connected to the second data transmission line. The second display module may display a second image according to a second video signal transmitted by the second data transmission line. According to an example of the present invention, the second display module may be a display module of a micro display screen having a small size.
The second optical system may also be provided in the frame member. The second optical system may receive light emitted from the second display module and perform optical path conversion on the light emitted from the second display module to form a second enlarged virtual image. That is, the second optical system has positive refractive power. For example, the optical system may include a convex lens. Alternatively, the optical system may also form a lens assembly from a plurality of lenses including convex and concave lenses in order to reduce aberrations, avoid interference with imaging by chromatic dispersion, etc., resulting in a better visual experience for the user. Further, according to an example of the present invention, the second display module and the second optical system may be disposed correspondingly along an optical axis of the optical system.
The third light guide member may transmit the light passing through the second optical system to the fourth light guide member after the second optical system receives the light emitted from the second display module and performs optical path conversion on the light emitted from the second display module. The fourth light guiding member may be disposed in the optic member. And the fourth light guide member may receive the light transmitted through the third light guide member and reflect the light transmitted by the third light guide member toward the eyes of the user wearing the head-mounted electronic device. As shown in fig. 5, the lens member 520 can include a first lens for one eye of the user and a second lens for the other eye of the user. The second light guide member and the fourth light guide member may be disposed in the first lens and the second lens, respectively, so that a user can view simultaneously using both eyes.
Preferably, a second display module and a second optical system are provided in the second stub head portion 512. Fig. 8 is a plan view showing another example situation according to the head mounted electronic apparatus shown in fig. 5, and fig. 8 shows an internal structure of the frame member 510. As shown in fig. 8, the first display module and the first optical system in the display unit are disposed in the first stub portion 511 of the mirror frame member 510, and the first display module is connected with the first data transmission line 810. Further, a lens member 520 is provided in the frame member 510. As described above, the first light guide member may transmit the light passing through the first optical system to the second light guide member provided in the lens member 520.
On the other hand, the second display module and the second optical system in the display unit are disposed in the second stub portion 512 of the mirror frame member 510, and the first display module is connected with the second data transmission line 820. Further, as described above, the third light guide member may transmit the light passing through the second optical system to the fourth light guide member provided in the lens member 520.
Alternatively, the support arm of the electronic device 500 and the frame member 510 may be connected by the first elastic region. Fig. 9 is a top view illustrating one example scenario according to the head mounted electronic device shown in fig. 8. As shown in fig. 9, the first connecting portion of the first support arm 530 may include a first elastic zone 910 (shown by a hatched portion in fig. 9) connected to the frame member 510, and the first support arm 530 may be bent with respect to the frame member (e.g., in the direction of arrow D) by the first elastic zone 910. Similarly, the second connecting portion of the second support arm 540 may include a second resilient zone 920 (shown in phantom in fig. 9) connected to the frame member 510, and the second support arm 540 may be capable of being bent relative to the frame member (e.g., in the direction of arrow E) by the second resilient zone 920. When the user does not need to wear the head-mounted electronic device 500, the first supporting arm 530 and the second supporting arm 540 can be bent to reduce the space occupied by the head-mounted electronic device 500, and the carrying is convenient.
Alternatively, the support arm of the electronic device 500 and the frame member 510 may be pivotally connected. Fig. 10 is a top view illustrating another example situation according to the head mounted electronic device illustrated in fig. 8. As shown in fig. 10, the first connecting portion of the first support arm 530 may be connected to the frame member 510 by a first pivot 1010, and the first support arm 530 may be pivotable about the first pivot 1010 (e.g., in the direction of arrow F). Similarly, the second connecting portion of the second support arm 540 may be connected to the frame member 510 by a second pivot 1020, and the second support arm 540 may be capable of pivoting about the second pivot 1020 (e.g., in the direction of arrow G).
As shown in fig. 10, the first data transmission line is disposed along an inner side of the first pivot 1010 (i.e., a side close to the head of the user), and the second data transmission line is disposed along an inner side of the second pivot 1020 (i.e., a side close to the head of the user). So that the first and second data transmission lines can be prevented from being damaged when the first and second support arms 530 and 540 are pivoted.
Further, the first data transmission line and the second data transmission line may also be bent in advance in the support arm and/or the frame member of the head mounted electronic device 500 to leave a margin for expansion and contraction. Fig. 11 is a top view illustrating still another example situation according to the head mounted electronic apparatus illustrated in fig. 8. The first and second data transmission lines 1110 and 1120 may be previously bent into the shape shown in fig. 11. When the first and second support arms 530 and 540 are bent, the first and second data transmission lines 1110 and 1120 may automatically adjust their bent shapes to accommodate the changes of the data transmission lines due to the bending of the first and second support arms 530 and 540. Preferably, a resilient constraint may be applied to the data transmission line in the middle of the support arm and/or the frame member to facilitate automatic configuration adjustment of the data transmission line when the user is required to wear the head mounted electronic device 500.
In addition, according to an example of the present invention, the head-mounted electronic device according to an embodiment of the present invention may further include a first touch sensing unit to receive a touch input of a user and send a touch detection result to the processing unit, so that the processing unit generates a corresponding control instruction. The first touch sensing unit may be disposed at an outer side of the first connection portion, where the outer side of the connection portion is a side of the connection portion away from the head of the user when the head-mounted electronic device is worn on the head of the user. Alternatively, in the first connection part, the first touch sensing unit is disposed to correspond to at least a portion of the first bone conduction unit, and the first data transmission line is located between the touch sensing unit and the first bone conduction unit. In addition, a predetermined distance is preferably provided between the first data transmission line and a plane where the touch panel of the first touch sensing unit is located, so as to prevent the first data transmission line from causing electromagnetic interference to the detection of the first touch sensing unit.
Fig. 14 is an enlarged partial sectional view illustrating the first support arm 530 according to the head mounted electronic device illustrated in fig. 5. As shown in fig. 14, a protective layer 1401 of the first bone conduction unit, a bone conduction layer 1402 of the first bone conduction unit (e.g., a piezoelectric sheet and a metal substrate as described above), a spacer layer 1404 between the first data transmission line layer 1403 and a touch sensing layer 1405 of the first touch sensing unit (e.g., a touch sensing panel), a touch sensing layer 1405 of the first touch sensing unit, and a protective layer 1406 of the first touch sensing unit may be sequentially disposed along an inner side of the first support arm 530 (i.e., a side close to the head of the user when the head mounted electronic device is worn on the head of the user) to an inner side of the first support arm 530 (i.e., a side far from the head of the user when the head mounted electronic device is worn on the head of the user). Through this structure, rationally set up first bone conduction unit and the position of first touch-sensitive unit on head-mounted electronic equipment, optimized head-mounted electronic equipment's product appearance design when having improved audio output quality to user's use and then operation has been made things convenient for.
Furthermore, according to another example of the present invention, the head-mounted electronic device according to the embodiment of the present invention may further include an acquisition unit. Fig. 12 is a top view illustrating a further example situation according to the head mounted electronic apparatus illustrated in fig. 8. As shown in fig. 12, the collecting unit 1210 may be disposed at a position of the frame member 510 between both eyes when the head-mounted electronic device is worn on the head of the user. According to an example of the present invention, the acquisition unit 1210 may include an image acquisition module, a sound acquisition unit, and/or a proximity sensing module, etc. Therefore, the head-mounted electronic device according to the embodiment of the present invention can perform operations such as photographing and shooting through the acquisition unit 1210. For example, the acquisition unit 1210 may acquire an image of an operation body such as a hand of a user and transmit the acquired image to a processing unit of the head-mounted electronic device, so that the processing unit may generate a corresponding control instruction according to an action of the operation body. In fig. 12, the description has been made taking an example in which the pickup unit is disposed at a position between both eyes of the frame member when the head mounted electronic apparatus is worn on the head of the user, but the present invention is not limited thereto. For example, the acquisition unit comprises a plurality of acquisition modules provided on the frame member. More specifically, an image pickup module, a sound pickup unit, and/or a proximity sensing module, etc. may be symmetrically disposed in the first stub portion and the second stub portion of the frame member.
Next, an audio processing method of an embodiment of the present invention is explained with reference to fig. 13. Fig. 13 is a flow chart depicting an audio processing method 1300 in accordance with an embodiment of the invention. The audio processing method 1300 is for the head mounted electronic device shown in fig. 1 and 4-12. As described above, a head-mounted electronic device according to an embodiment of the present invention may include a fixing unit and a first bone conduction unit. The head-mounted electronic apparatus can be worn on the head of the user through the fixing unit. The first bone conduction unit may be disposed at an inner side of the fixing unit, wherein the inner side of the fixing unit is a side of the fixing unit close to the head of the user when the head-mounted electronic device is worn on the head of the user. When the head-mounted electronic device is worn on the head of the user, the first bone conduction unit is in contact with the head of the user. The head-mounted electronic device according to the embodiment of the present invention has been described in detail above with reference to fig. 1 and 4 to 12. Therefore, for brevity of description, no further description is provided.
As shown in fig. 13, in step S1310, an audio file is obtained. For example, an audio file may be stored in the head mounted electronic device 100 in advance, and the stored audio file is obtained in step S1310. For another example, as another example, the head-mounted electronic device 100 may further include a transmitting/receiving unit, and in step S1310, an audio file transmitted from another electronic device may be received through the transmitting/receiving unit.
In step S1320, the obtained audio file is processed and a first audio signal is output. Then, in step S1030, vibration is generated according to the first audio signal through the first bone conduction unit, so that the user listens to the first audio through the generated vibration. According to one example of the present invention, in step S1030, the first audio signal may be directly input to the first bone conduction unit, and the first bone conduction unit may generate vibration according to the first audio signal. Alternatively, according to another example of the present invention, the head-mounted electronic device may further include a power amplifying unit provided in the fixing unit. In step S1030, a first audio signal may be received by the power amplifying unit and amplified, where the amplified first audio signal is an ac voltage signal. The power amplification unit may then apply the amplified first audio signal to the first bone conduction unit. The first bone conduction unit may be driven by the amplified first audio signal to generate vibration.
By the audio processing method provided by the embodiment of the invention, a user can listen to audio by using the inner bone conduction unit arranged on the head-mounted electronic equipment, so that the audio output quality is improved. Further, since it is not necessary to provide a conventional audio playing unit such as a speaker, an earphone, or the like in the head mounted electronic apparatus, the content listened to by the user is prevented from being known to others while reducing the space occupied by the head mounted electronic apparatus.
Further, as shown in fig. 4, the head-mounted electronic apparatus is a glasses-type electronic apparatus. The head-mounted electronic device further includes a frame member, and a lens member connected to the frame member. And the fixing unit of the head mounted electronic device may include a first support arm including a first connecting portion and a first holding portion, and a second support arm including a second connecting portion and a second holding portion, wherein the first connecting portion is configured to connect the frame member and the first holding portion, and the second connecting portion is configured to connect the frame member and the second holding portion. The first bone conduction unit may be disposed inside the first support arm. Further, the frame member includes a third holding portion. Specifically, the third retaining portion may be provided at a location where the frame member 410 is located between the two lens members. The head-mounted electronic device is held on the head of the user by the first holding portion, the second holding portion, and the third holding portion. In particular, the first and second retaining portions may be used to support the first and second support arms at the ears of the user, while the third retaining portion may be used to support the frame member at the bridge of the nose of the user.
Further, as shown in fig. 5 to 12, the head mounted electronic apparatus may further include a first data transmission line provided in the fixing unit and the frame member and a display unit connected to the first data transmission line. Specifically, the display unit may include a first display module, a first optical system, a first light guide member, and a second light guide member.
The first display module may be provided in the frame member and connected with the first data transmission line. The first optical system may also be provided in the frame member. The first optical system may receive light emitted from the first display module and perform optical path conversion on the light emitted from the first display module to form a first enlarged virtual image. That is, the first optical system has positive refractive power. For example, the optical system may include a convex lens. Alternatively, the optical system may also form a lens assembly from a plurality of lenses including convex and concave lenses in order to reduce aberrations, avoid interference with imaging by chromatic dispersion, etc., resulting in a better visual experience for the user. Further, according to an example of the present invention, the first display module and the first optical system may be disposed correspondingly along an optical axis of the optical system. The first light guide member may transmit the light passing through the first optical system to the second light guide member, and the second light guide member may reflect the light transmitted by the first light guide member toward glasses of a user wearing the head-mounted electronic device, wherein the second light guide member is disposed in the lens member.
In this case, the method 1300 described in fig. 13 also includes processing a video file associated with the audio file and outputting a first video signal associated with the first audio signal. For example, when the user watches a movie through the head-mounted electronic device 500, the first video signal may be an image signal of the movie, and the first audio signal may be an audio signal of the movie corresponding to the image signal. For another example, when the user makes a video call through the head-mounted electronic device 500, the first video signal may be an image signal from the communication party, and the first audio signal may be an audio signal from the communication party. Then, the first video signal is transmitted to a first display module in the display unit via a first data transmission line, and a first image is displayed according to the first video signal by the first display module. After the first image is subjected to optical path conversion by the first optical system to form a first enlarged virtual image, the first light guide member transmits light passing through the first optical system to the second light guide member to reflect the first enlarged virtual image toward glasses of a user wearing the head-mounted electronic apparatus by the second light guide member.
Further according to another example of the present invention, the head mounted electronic device may further include a first touch sensing unit disposed at an outer side of the first connection part, wherein the outer side of the connection part is a side of the connection part away from the head of the user when the head mounted electronic device is worn on the head of the user. In this case, the method 1300 shown in fig. 13 further includes detecting a touch input of a user through the first touch sensing unit, and generating a control instruction for the first audio signal according to the touch input of the user.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It should be understood by those skilled in the art that various modifications, combinations, partial combinations and substitutions may be made in the present invention depending on design requirements and other factors as long as they are within the scope of the appended claims and their equivalents.
Claims (10)
1. A head-mounted electronic device, comprising:
a fixing unit by which the head-mounted electronic apparatus can be worn on a head of a user;
a processing unit disposed in the fixing unit, configured to perform audio processing and output a first audio signal;
a first bone conduction unit disposed inside the fixing unit, configured to generate vibration according to the first audio signal such that a user listens to a first audio through the generated vibration,
wherein an inner side of the fixing unit is a side of the fixing unit close to a head of a user when the head-mounted electronic device is worn on the head of the user, and
the first bone conduction unit is in contact with a head of a user when the head-mounted electronic device is worn on the head of the user, so that the user can perceive vibration generated by the first bone conduction unit,
the fixing unit is provided with a first touch sensing unit and a second touch sensing unit, wherein the first touch sensing unit is arranged in the fixing unit corresponding to at least one part of the first bone conduction unit, the protective layer of the first bone conduction unit, the bone conduction layer of the first bone conduction unit, the first data transmission line, the spacing layer, the touch sensing layer of the first touch sensing unit and the protective layer of the first touch sensing unit are sequentially arranged from the inner side to the outer side of the fixing unit, and a preset distance is reserved between the first data transmission line and the plane where the touch panel of the first touch sensing unit is located.
2. The head mounted electronic device of claim 1, wherein the head mounted electronic device is a glasses type electronic device, the head mounted electronic device further comprising:
a frame member;
a lens member connected to the frame member;
the fixing unit includes:
a first support arm comprising a first connecting portion and a first holding portion, wherein the first connecting portion is configured to connect the frame member and the first holding portion;
a second support arm including a second connecting portion and a second holding portion, wherein the second connecting portion is configured to connect the frame member and the second holding portion;
a third holding portion provided on the frame member,
wherein the first bone conduction unit is disposed inside the first support arm, an
The first, second, and third retention portions are configured to retain the head-mounted electronic device on a user's head;
wherein the processing unit is disposed in the first holding portion and/or the second holding portion such that a first distance between a geometric center of the head mounted electronic device and a plane in which the lens component is located is less than or equal to a second distance between a center of gravity of the head mounted electronic device and the plane in which the lens component is located.
3. The head-mounted electronic device of claim 2, wherein
The processing unit is further configured to perform audio processing and output a second audio signal, wherein the second audio signal is the same as or different from the first audio signal;
the electronic device further includes:
a second bone conduction unit disposed inside the second support arm, configured to generate vibration according to the second audio signal, so that a user listens to a second audio through the generated vibration,
a second power supply unit disposed in the second support arm configured to supply power to the second bone conduction unit,
wherein the second bone conduction unit is in contact with the head of the user when the head mounted electronic device is worn on the head of the user, such that the user can perceive the vibration generated by the second bone conduction unit.
4. The head-mounted electronic device of claim 2, wherein
A processing unit is disposed in the first holding section,
the head-mounted electronic device further comprises:
a power supply unit provided in the second holding portion.
5. The head-mounted electronic device of claim 1,
head-mounted electronic equipment is glasses formula electronic equipment, head-mounted electronic equipment still includes:
a frame member;
a lens member connected to the frame member;
the fixing unit includes:
a first support arm comprising a first connecting portion and a first holding portion, wherein the first connecting portion is configured to connect the frame member and the first holding portion;
a second support arm including a second connecting portion and a second holding portion, wherein the second connecting portion is configured to connect the frame member and the second holding portion; and
a third holding part provided on the frame member
Wherein the first bone conduction unit is disposed inside the first support arm, an
The first, second, and third retention portions are configured to retain the head-mounted electronic device on a user's head;
the processing unit is further configured to perform video processing and output a first video signal;
the electronic device further includes:
a first data transmission line provided in the fixing unit and the mirror frame member, configured to transmit the first video signal to a display unit;
the display unit includes:
a first display module, disposed in the frame member, configured to display a first image according to a first video signal transmitted by the first data transmission line;
a first optical system provided in the frame member, configured to receive light emitted from the first display module and perform optical path conversion on the light emitted from the first display module to form a first enlarged virtual image;
a first light guide member configured to transmit light passing through the first optical system to a second light guide member;
the second light guide component is arranged in the lens component and is configured to reflect the light transmitted by the first light guide component to the eyes of a user wearing the head-mounted electronic equipment;
further comprising:
the first touch sensing unit is arranged on the outer side of the first connecting part, wherein the outer side of the connecting part is the side, away from the head of a user, of the connecting part when the head-mounted electronic equipment is worn on the head of the user.
6. The head-mounted electronic device of claim 5, wherein
The frame member includes:
a first pile head portion connected to the first support arm;
a second pile head portion connected to the second support arm;
the first display module and the first optical system are disposed in the first stub head portion; (ii) a
The processing unit is further configured to perform video processing and output a second video signal, wherein the second video signal is the same as or different from the first video signal;
the electronic device further includes:
a second data transmission line provided in the fixing unit and the mirror frame member, configured to transmit the second video signal to the display unit;
the display unit further includes:
a second display module, disposed in the frame member, configured to display a second image according to a second video signal transmitted by the second data transmission line;
a second optical system provided in the frame member, configured to receive light emitted from the second display module and perform optical path conversion on the light emitted from the second display module to form a second enlarged virtual image;
a third light guide member configured to transmit the light passing through the second optical system to a fourth light guide member;
the fourth light guide component is arranged in the lens component and is configured to reflect the light transmitted by the third light guide component to the eyes of the user wearing the head-mounted electronic equipment,
wherein the second display module and the second optical system are disposed in the second stub head portion.
7. The head-mounted electronic device of claim 5, wherein
In the first connection part, the first touch sensing unit is disposed corresponding to at least a portion of the first bone conduction unit, and the first data transmission line is located between the touch sensing unit and the first bone conduction unit.
8. The head-mounted electronic device of claim 5, wherein
The first connecting portion includes a first elastic zone connected to the frame member, the first support arm being bendable with respect to the frame member by the first elastic zone; and
the second connecting part comprises a second resilient zone connected to the frame part, by means of which the second support arm can be bent relative to the frame part, or
The head-mounted electronic device further comprises:
a first pivot shaft through which the first connecting portion is connected to the frame member, the first support arm being pivotable about the first pivot shaft;
a second pivot shaft through which the second connecting portion is connected to the frame member, the second support arm being pivotable about the second pivot shaft;
wherein the first data transmission line is disposed along an inner side of the first pivot.
9. An audio processing method applied to a head-mounted electronic device, wherein the head-mounted electronic device comprises:
a fixing unit by which the head-mounted electronic apparatus can be worn on a head of a user;
a first bone conduction unit disposed inside the fixing unit,
wherein an inner side of the fixing unit is a side of the fixing unit close to a head of a user when the head-mounted electronic device is worn on the head of the user, and
the first bone conduction unit is in contact with a head of a user when the head mounted electronic device is worn on the head of the user,
wherein, a first touch sensing unit is arranged in the fixing unit corresponding to at least one part of the first bone conduction unit, a protective layer of the first bone conduction unit, a bone conduction layer of the first bone conduction unit, a first data transmission line, a spacing layer, a touch sensing layer of the first touch sensing unit and a protective layer of the first touch sensing unit are arranged in sequence from the inner side to the outer side of the fixing unit, wherein a preset distance is arranged between the first data transmission line and a plane where a touch panel of the first touch sensing unit is positioned,
the method comprises the following steps:
obtaining an audio file;
processing an audio file and outputting a first audio signal;
generating vibration according to the first audio signal through the first bone conduction unit, so that a user listens to first audio through the generated vibration.
10. The method of claim 9, wherein the head mounted electronic device is a glasses type electronic device, the head mounted electronic device further comprising:
a frame member;
a lens member connected to the frame member;
the fixing unit includes:
a first support arm comprising a first connecting portion and a first holding portion, wherein the first connecting portion is configured to connect the frame member and the first holding portion;
a second support arm including a second connecting portion and a second holding portion, wherein the second connecting portion is configured to connect the frame member and the second holding portion,
wherein the first bone conduction unit is disposed inside the first support arm,
the frame member includes a third retaining portion,
the first, second, and third retention portions are configured to retain the head-mounted electronic device on a user's head;
the electronic device further includes:
a first touch sensing unit disposed at an outer side of the first connection part, wherein the outer side of the connection part is a side of the connection part away from a user's head when the head-mounted electronic device is worn on the user's head,
the method further comprises the following steps:
detecting a touch input of a user through the first touch sensing unit;
generating a control instruction for the first audio signal according to the touch input of the user.
Priority Applications (1)
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| CN201710397866.4A CN107203046B (en) | 2012-11-28 | 2012-11-28 | Head-mounted electronic device and audio processing method |
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| CN201210496453.9A CN103852890B (en) | 2012-11-28 | 2012-11-28 | Head-Mounted Electronic Device And Audio Processing Method |
| CN201710397866.4A CN107203046B (en) | 2012-11-28 | 2012-11-28 | Head-mounted electronic device and audio processing method |
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| CN201210496453.9A Division CN103852890B (en) | 2012-11-28 | 2012-11-28 | Head-Mounted Electronic Device And Audio Processing Method |
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| CN107203046B true CN107203046B (en) | 2020-08-25 |
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| KR102227087B1 (en) * | 2014-07-08 | 2021-03-12 | 엘지전자 주식회사 | Wearable glass-type device and control method of the wearable glass-type device |
| CN105676456A (en) * | 2016-04-06 | 2016-06-15 | 众景视界（北京）科技有限公司 | Modularized head-mounted electronic device |
| CN108761795A (en) * | 2018-07-25 | 2018-11-06 | Oppo广东移动通信有限公司 | A kind of Wearable |
| EP4294038A4 (en) * | 2022-04-29 | 2024-04-17 | Shenzhen Shokz Co Ltd | Acoustic output apparatus and wearable device |
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| EP1731943B1 (en) * | 2004-03-29 | 2019-02-13 | Sony Corporation | Optical device and virtual image display device |
| JP2005352024A (en) * | 2004-06-09 | 2005-12-22 | Murata Mfg Co Ltd | Glasses type interface device and security system |
| CN201035260Y (en) * | 2007-04-02 | 2008-03-12 | 严世熙 | Glasses integrating bone conduction technology |
| JP4858512B2 (en) * | 2008-08-21 | 2012-01-18 | ソニー株式会社 | Head-mounted display |
| WO2010062479A1 (en) * | 2008-11-02 | 2010-06-03 | David Chaum | System and apparatus for eyeglass appliance platform |
| US8618910B2 (en) * | 2009-08-07 | 2013-12-31 | Authentec, Inc. | Finger biometric sensor including laterally adjacent piezoelectric transducer layer and associated methods |
| US20110213664A1 (en) * | 2010-02-28 | 2011-09-01 | Osterhout Group, Inc. | Local advertising content on an interactive head-mounted eyepiece |
| JP2012058530A (en) * | 2010-09-09 | 2012-03-22 | Seiko Epson Corp | Shutter spectacles and image display system |
| JP5760465B2 (en) * | 2011-02-04 | 2015-08-12 | セイコーエプソン株式会社 | Virtual image display device |
| CN202758141U (en) * | 2012-01-19 | 2013-02-27 | 谷歌公司 | Electronic device and head-mounted device |
| CN202975477U (en) * | 2012-11-28 | 2013-06-05 | 联想(北京)有限公司 | Head-mounted electronic equipment |
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| CN107203046A (en) | 2017-09-26 |
| CN103852890A (en) | 2014-06-11 |
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