Recording device

Abstract

The utility model discloses a recording device, which comprises a main body part, the main body part is provided with a sound source acquisition part, a directional microphone, a controller and a driving part, the sound source acquisition part and the driving part are both in communication connection with the controller, and the driving part is in transmission connection with the directional microphone. And the driving module is used for driving the directional microphone to perform linear displacement and / or rotary displacement. The recording device can better carry out sound reception, is beneficial for improving the recording quality, and can be suitable for being used in different scenes.

Description

Technical Field

[0001] The utility model relates to the technical field of recording products, and particularly relates to a recording device. Background Art

[0002] Recording devices, such as voice recorders, etc., are usually configured with directional microphones. However, due to structural limitations, directional microphones usually only have relatively better sound collection effects in specific directions and cannot meet the use requirements in different scenarios.

[0003] Therefore, how to provide a solution to overcome or alleviate the above defects is still a technical problem that those skilled in the art need to solve urgently. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a recording device, which can better collect sound, is beneficial to improving the recording quality, and is applicable to use in different scenarios.

[0005] To solve the above technical problems, the utility model provides a recording device, which includes a main body part. The main body part is provided with a sound source acquisition component, a directional microphone, a controller and a driving component. The sound source acquisition component and the driving component are both communicatively connected to the controller. The driving component is in transmission connection with the directional microphone and is used to drive the directional microphone to perform linear displacement and / or rotational displacement.

[0006] In the above solution, the recording device includes a sound source acquisition component, a directional microphone, a controller and a driving component. The sound source acquisition component is used to acquire the sound source signal in the use environment and can send the sound source signal to the controller. The controller can determine the sound field distribution in the use environment according to the sound source signal, and then can send corresponding control instructions to the driving component, so that the driving component drives the directional microphone to perform linear displacement and / or rotational displacement. In this way, the position and / or posture of the directional microphone relative to the main body part can be adjusted according to the sound source signal in the use environment, so that the directional microphone can better collect sound, the recording quality of the recording device provided by the embodiment of the utility model can be improved, and the recording device provided by the embodiment of the utility model can be used in more scenarios.

[0007] Optionally, the sound source acquisition component includes at least two omnidirectional microphones, and each omnidirectional microphone is installed on the main body part at intervals.

[0008] Optionally, the sound source acquisition component includes two acquisition units, the two acquisition units are arranged opposite to each other along a first direction, both of the two acquisition units include at least two omnidirectional microphones, and the omnidirectional microphones in the same acquisition unit are arranged at intervals along a second direction, and the second direction and the first direction are arranged at an included angle.

[0009] Optionally, the directional microphone is located at an end of the main body portion in the second direction.

[0010] Optionally, the number of the directional microphones is at least two, and the directional microphones are arranged at intervals along the first direction.

[0011] Optionally, the driving component includes at least one rotary driving member, and the rotary driving member is in transmission connection with the directional microphone for driving the directional microphone to perform a rotational displacement.

[0012] Optionally, the driving component includes a first rotary driving member, and the first rotary driving member is in transmission connection with the directional microphone for driving the directional microphone to rotate around a first rotation central axis.

[0013] Optionally, the directional microphone includes a microphone main body portion and a bracket portion, the microphone main body portion is mounted on the bracket portion, and the first rotary driving member is in transmission connection with the bracket portion for driving the directional microphone to rotate around the first rotation central axis through the bracket portion.

[0014] Optionally, the driving component further includes a second rotary driving member, the second rotary driving member is mounted on the bracket portion, the second rotary driving member is connected to the microphone main body portion for driving the microphone main body portion to rotate around a second rotation central axis, and the first rotation central axis and the second rotation central axis are arranged at an angle.

[0015] Optionally, the rotary driving member is a motor. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of the recording device provided by an embodiment of the present invention;

[0017] Figure 2 is a schematic diagram of the action sequence of the sound source acquisition component, the controller, the driving component and the directional microphone;

[0018] Figure 3 is a schematic structural diagram of the recording device provided by an embodiment of the present invention when the directional microphone rotates around the first rotation central axis to a first position;

[0019] Figure 4 is a schematic structural diagram of the recording device provided by an embodiment of the present invention when the directional microphone rotates around the first rotation central axis to a second position;

[0020] Figure 5 is a schematic structural diagram of the microphone main body portion in the directional microphone in an original state;

[0021] Figure 6 is Figure 5 a schematic structural diagram when the microphone body rotates to the third position around the second rotation axis;

[0022] Figure 7 is Figure 5 a schematic structural diagram when the microphone body rotates to the fourth position around the second rotation axis.

[0023] Reference numerals:

[0024] 100 - main body part;

[0025] 200 - sound source acquisition component; 210 - first acquisition unit; 211 - first omnidirectional microphone; 212 - second omnidirectional microphone; 213 - third omnidirectional microphone; 220 - second acquisition unit; 221 - fourth omnidirectional microphone; 222 - fifth omnidirectional microphone; 223 - sixth omnidirectional microphone;

[0026] 300 - directional microphone; 310 - microphone body part; 320 - bracket part; 330 - connecting part;

[0027] 400 - controller; 410 - audio processing module; 420 - main control module;

[0028] 500 - driving component. Detailed implementation manners

[0029] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] In the description of the embodiments of the present utility model, the terms "first", "second", "third", "fourth", "fifth", "sixth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the number of the indicated technical features. Thus, the features defined with "first", "second", "third", "fourth", "fifth", "sixth" may explicitly or implicitly include one or more of such features.

[0031] In the description of the embodiments of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, "connected" can be a detachable connection or a non - detachable connection; it can be a direct connection or an indirect connection through an intermediate medium.

[0032] In the description of the embodiments of the present utility model, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or apparatus comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or apparatus. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising such element.

[0033] In the description of the embodiments of the present utility model, "and / or" is merely an association relationship describing associated objects, indicating that three relationships may exist. For example, A and / or B may represent: A exists alone, A and B exist simultaneously, and B exists alone. Additionally, in this text, the character " / " generally represents an "or" relationship between the associated objects before and after.

[0034] Please refer to Figure 1 and Figure 2 , Figure 1 is a schematic structural diagram of the recording device provided by the embodiments of the present utility model; Figure 2 is a schematic diagram of the action sequence of the sound source acquisition component, the controller, the driving component, and the directional microphone.

[0035] As Figure 1 shown, the embodiments of the present utility model provide a recording device, which may specifically be a recording pen, etc., including a main body portion 100, a sound source acquisition component 200, a directional microphone 300, a controller 400, and a driving component 500.

[0036] The main body portion 100 is the structural main body of the recording device, and each of the other components can be directly or indirectly installed on the main body portion 100 to achieve an integrated design of the recording device, thereby facilitating the transportation, carrying, and use of the recording device. Moreover, the main body portion 100 also mainly determines the structural outline of the recording device. In Figure 1 the implementation manner, the main body portion 100 can generally present a cuboid outline, and correspondingly, the recording device can also generally present a cuboid outline. In some other implementation manners of the embodiments of the present utility model, the main body portion 100 can also present a cylindrical outline or other structural outlines, which are not clearly defined herein.

[0037] Both the sound source acquisition component 200 and the driving component 500 are communicatively connected to the controller 400.

[0038] The sound source acquisition component 200 is used to acquire the sound source signal in the usage environment and can send the sound source signal to the controller 400. The controller 400 can process and analyze the sound source signal to determine the sound field distribution in the usage environment. Based on the sound field distribution, the controller 400 can send corresponding control instructions to the driving component 500.

[0039] The driving component 500 is drivingly connected to the directional microphone 300 and is used to respond to the above control instructions and drive the directional microphone 300 to perform linear displacement and / or rotational displacement. In this way, the position and / or attitude of the directional microphone 300 relative to the main body 100 can be adjusted according to the sound source signal in the usage environment, so that the directional microphone 300 can better pick up sound, which can improve the recording quality of the recording device provided by the embodiment of the present utility model and enable the recording device provided by the embodiment of the present utility model to be used in more scenarios.

[0040] It should be understood that the setting of the driving component 500 above only provides the possibility for the position adjustment of the directional microphone 300, but this does not mean that the directional microphone 300 needs to be adjusted in position under the action of the driving component 500 every time it is used. Specifically, it still needs to be determined in combination with the sound field distribution in the actual usage environment, etc.

[0041] Combined Figure 2 , the controller 400 may include an audio processing module 410 and a main control module 420.

[0042] The audio processing module 410 may specifically be an audio processing chip, etc., which is used to receive the sound source signal acquired by the sound source acquisition component 200 and can perform processing such as noise reduction and signal conversion on the sound source signal. The main control module 420 may specifically be a main control chip, which can be signal-connected to the audio processing module 410, used to receive the sound source signal processed by the audio processing module 410, and used to analyze the sound source signal to determine the sound field distribution in the usage environment.

[0043] It should be understood that the processing process of the sound source signal by the audio processing module 410 and the analysis process of the sound source signal by the main control module 420 are not the key improvements of the embodiment of the present utility model and will not be elaborated here. In actual applications, those skilled in the art can set them with reference to related technologies. In addition, the controller 400 is not limited to the above audio processing module 410 and main control module 420, and it may also include other modules or components, which are not limited here. In actual applications, those skilled in the art can select according to specific needs; for example, the controller 400 may also include a printed circuit board (Printed Circuit Board, PCB), and the aforementioned audio processing chip, main control chip, etc. can all be installed on the printed circuit board.

[0044] In some alternative implementations, the sound source acquisition component 200 may include at least two omnidirectional microphones, and each omnidirectional microphone may be installed on the main body 100 at intervals.

[0045] Different from the aforementioned directional microphone 300, the omnidirectional microphone can receive sounds from multiple different directions. No matter where the sound source signal comes from, the omnidirectional microphone can relatively well capture it, and can reduce the situation where the sound source signal in the use environment is missed. At the same time, the omnidirectional microphone usually also has good sound clarity, low noise characteristics and anti-interference characteristics. Even in a noisy use environment, a relatively clear sound source signal can be obtained. In this way, the accuracy of the controller 400 for processing and analyzing the sound source signal can be relatively high. Correspondingly, the effectiveness of the controller 400 to drive the directional microphone 300 to adjust its position to improve the sound collection effect can also be better guaranteed.

[0046] For the convenience of description, in the embodiments of the present invention, the first direction X, the second direction Y and the third direction Z can be defined. Any two of the first direction X, the second direction Y and the third direction Z can be arranged at an angle, and this angle can be, for example, 90° etc. Specifically, Figure 1 in the implementation manner, when the main body 100 generally presents a cuboid outline, the first direction X can be the width direction of the main body 100, the second direction Y can be the length direction of the main body 100, and the third direction Z can be the thickness direction of the main body 100. At this time, an angle of 90° can be presented between any two of the first direction X, the second direction Y and the third direction Z.

[0047] In a specific solution, the sound source acquisition component 200 may include two acquisition units, namely the first acquisition unit 210 and the second acquisition unit 220.

[0048] The first acquisition unit 210 and the second acquisition unit 220 can be arranged oppositely along the first direction X. Both the first acquisition unit 210 and the second acquisition unit 220 may include at least two omnidirectional microphones. Each omnidirectional microphone of the first acquisition unit 210 can be arranged at intervals along the second direction Y. Each omnidirectional microphone of the second acquisition unit 220 can also be arranged at intervals along the second direction Y. In this way, omnidirectional microphones can be provided at different positions of the main body 100 in the first direction X and the second direction Y, which can greatly improve the comprehensiveness and uniformity of the sound source signal acquired by the sound source acquisition component 200, and is beneficial to ensuring the accuracy of sound source signal acquisition.

[0049] In Figure 1Among them, the first acquisition unit 210 and the second acquisition unit 220 can both include three omnidirectional microphones. Among them, the three omnidirectional microphones of the first acquisition unit 210 are the first omnidirectional microphone 211, the second omnidirectional microphone 212, and the third omnidirectional microphone 213 respectively, and the three omnidirectional microphones of the second acquisition unit 220 are the fourth omnidirectional microphone 221, the fifth omnidirectional microphone 222, and the sixth omnidirectional microphone 223 respectively.

[0050] The directional microphone 300 can be located at the end of the main body 100 in the second direction Y. Specifically, it can be located on the side where the first omnidirectional microphone 211 and the fourth omnidirectional microphone 221 are located. Of course, it can also be located at other positions, and no specific limitation is made here.

[0051] In practical applications, the number of directional microphones 300 can be at least two. Taking the example that the aforementioned directional microphone 300 is located at the end of the main body 100 in the second direction Y, the directional microphones 300 can be arranged at intervals along the first direction X, so as to exert the sound collection performance of each directional microphone 300 at multiple different positions, which is beneficial to improving the comprehensiveness of sound collection.

[0052] In Figure 1 Among them, the number of directional microphones 300 can specifically be two. If the second direction Y is the up-down direction, the two directional microphones 300 can specifically be arranged at the upper end of the main body 100, and the lower end of the main body 100 is used to abut against a support surface such as a desktop. At this time, the recording device provided by the embodiment of the present utility model can be placed upright on the support surface. It should be understood that in addition to the upright placement implementation method, in practical applications, the recording device can also be placed horizontally on the support surface. At this time, the recording device can abut against the support surface through the end surface of the main body 100 in the third direction Z.

[0053] It should be noted that the sound source signal acquired by the sound source acquisition component 200 provided by the embodiment of the present utility model can be used not only for the controller 400 to analyze the sound field distribution situation, but also for the recording of the recording device. That is to say, the recording function of the recording device provided by the embodiment of the present utility model can be realized by the combined action of the sound source acquisition component 200 and the directional microphone 300, which is more beneficial to ensuring the recording quality.

[0054] In addition, the sound source acquisition component 200 in the embodiment of the present utility model is not limited to the above omnidirectional microphones, and it can also adopt a directional microphone 300, or a scheme of combining a directional microphone 300 and an omnidirectional microphone. In fact, the embodiment of the present utility model does not limit the specific structural form of the above sound source acquisition component 200. In practical applications, those skilled in the art can flexibly adjust it as long as it can meet the usage requirements.

[0055] In some alternative implementations, the driving component 500 may include at least one rotational driving member, which may be a driving element such as a motor that can directly output rotational displacement. The rotational driving member may be drivingly connected to the directional microphone 300 for driving the directional microphone 300 to perform rotational displacement.

[0056] Please refer to Figure 3 and Figure 4 , Figure 3 FIG. is a schematic structural diagram when the directional microphone in the recording device provided by the embodiment of the present invention rotates around the first rotation axis to the first position; Figure 4 FIG. is a schematic structural diagram when the directional microphone in the recording device provided by the embodiment of the present invention rotates around the first rotation axis to the second position.

[0057] The driving component 500 may include a first rotational driving member (not shown in the figure). As Figure 3 and Figure 4 shown, the first rotational driving member may be drivingly connected to the directional microphone 300 for driving the directional microphone 300 to rotate around the first rotation axis A.

[0058] Here, the embodiment of the present invention does not limit the extension direction of the first rotation axis A. In actual applications, those skilled in the art can determine it according to specific needs as long as it can meet the actual usage requirements.

[0059] In a specific solution, the first rotation axis A may extend along the aforementioned first direction Z. Referring to the orientation and positional relationship in Figure 3 and Figure 4 , the first rotation axis A may generally extend in a direction perpendicular to the paper surface. At this time, the directional microphone 300 may generally swing in the left - right direction around the first rotation axis A.

[0060] To more clearly illustrate the driving process of the first rotational driving member on the directional microphone 300, the embodiment of the present invention will also be described in combination with the first acquisition unit 210 and the second acquisition unit 220. As Figure 3 shown, when the sound source signal intensities acquired by the first omnidirectional microphone 211 and the fourth omnidirectional microphone 221 are significantly higher than those of other omnidirectional microphones, it indicates that the sound field distribution is such that the sound source signals are mostly concentrated at the upper end of the recording device. At this time, the first rotational driving member can control the two directional microphones 300 to rotate towards each other (in the direction indicated by the arrow on the dotted line in Figure 3 ), so that the two directional microphones 300 can perform sound collection with stronger directivity. As Figure 4As shown, when the sound source signal intensities obtained by the first omnidirectional microphone 211, the second omnidirectional microphone 212, the third omnidirectional microphone 213, the fourth omnidirectional microphone 221, the fifth omnidirectional microphone 222, and the sixth omnidirectional microphone 223 are relatively close, it indicates that the sound field distribution is such that the sound source signals are relatively dispersed. At this time, the first rotation driving member can control the two directional microphones 300 to rotate away from each other (in the direction indicated by the arrows on the dotted line in Figure 4 ), so as to increase the sound pickup angle and area, and improve the comprehensiveness of sound pickup.

[0061] Please refer to Figures 5 - 7 , Figure 5 which is a schematic structural diagram of the microphone body part in the directional microphone in its original state; Figure 6 is Figure 5 a schematic structural diagram of the microphone body part in Figure 7 when it rotates to the third position around the second rotation axis; Figure 5 is

[0062] As Figures 5 - 7 shown, the directional microphone 300 may include a microphone body part 310 and a bracket part 320, and the microphone body part 310 may be installed on the bracket part 320. The first rotation driving member may specifically be in transmission connection with the bracket part 320 and be used to drive the directional microphone 300 to rotate around the first rotation axis A through the bracket part 320.

[0063] The driving component 500 may further include a second rotation driving member (not shown in the figure). The second rotation driving member may be installed on the bracket part 320, and the second rotation driving member may be connected to the microphone body part 310 and be used to drive the microphone body part 310 to rotate around the second rotation axis B, so as to realize rotational displacement adjustment in more directions.

[0064] The second rotation axis B and the first rotation axis A may be arranged at an angle, and this angle may be, for example, 90° etc., which is not limited herein. In a specific solution, the second rotation axis B may extend along the aforementioned first direction X; if the second direction is the front-back direction, the microphone body part 310 may generally swing around the second rotation axis B in the front-back direction, so as to realize sound pickup in a larger range.

[0065] Still as Figures 5 - 7 shown, the directional microphone 300 may further include a connecting part 330, and the connecting part 330 may be connected to the main body part 100.

[0066] In practical applications, the rotation of the directional microphone 300 around the first rotation central axis A and the rotation of the microphone body part 310 around the second rotation central axis B can be carried out simultaneously, or they can also be carried out separately, and no specific limitation is made here.

[0067] In some alternative implementation manners, the driving component 500 may further include at least one linear driving member, which can be in transmission connection with the directional microphone 300 and is used to drive the directional microphone 300 to perform linear displacement, and the direction of the linear displacement is not limited here.

[0068] In a specific solution, the linear driving member can still use a motor as the driving element. At this time, the linear driving member may further include a displacement conversion mechanism in the form of a gear-rack mechanism, a lead screw mechanism, etc., so as to convert the rotational displacement directly output by the motor into the linear displacement required by the directional microphone 300. In practical applications, a guiding structure such as a guide rail can also be configured to ensure the direction of the linear displacement of the directional microphone 300.

[0069] The linear displacement and the aforementioned rotational displacement can be carried out simultaneously, or they can also be carried out separately, and no specific limitation is made here.

[0070] It should be understood that the recording device provided by the embodiments of the present invention, in addition to including the aforementioned main body part 100, sound source acquisition component 200, directional microphone 300, controller 400 and driving component 500, may further include other structural components, such as a display screen assembly, operation buttons, charging cables, etc. However, these components are not the key points of improvement in the embodiments of the present invention, and no detailed description is made here. For details, reference can be made to the related technologies.

[0071] The above are only the preferred implementation manners of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A recording device, characterized in that, It includes a main body part, and the main body part is provided with a sound source acquisition component, a directional microphone, a controller and a driving component. Both the sound source acquisition component and the driving component are communicatively connected to the controller, and the driving component is in transmission connection with the directional microphone for driving the directional microphone to perform linear displacement and / or rotational displacement.

2. The recording device according to claim 1, characterized in that, The sound source acquisition component includes at least two omnidirectional microphones, and each of the omnidirectional microphones is installed on the main body part at intervals.

3. The recording device according to claim 2, characterized in that, The sound source acquisition component includes two acquisition units, the two acquisition units are arranged opposite to each other along a first direction, both of the two acquisition units include at least two of the omnidirectional microphones, and the omnidirectional microphones of the same acquisition unit are arranged at intervals along a second direction, and the second direction is set at an angle to the first direction.

4. The recording device according to claim 3, characterized in that, The directional microphone is located at the end of the main body part in the second direction.

5. The recording device according to claim 4, characterized in that, The number of the directional microphones is at least two, and each of the directional microphones is arranged at intervals along the first direction.

6. The recording device according to any one of claims 1-5, characterized in that, The driving component includes at least one rotary driving member, and the rotary driving member is in transmission connection with the directional microphone for driving the directional microphone to perform rotational displacement.

7. The recording device according to claim 6, wherein, The driving component includes a first rotary driving member, and the first rotary driving member is in transmission connection with the directional microphone for driving the directional microphone to rotate around a first rotation central axis.

8. The recording device according to claim 7, characterized in that, The directional microphone includes a microphone main body part and a bracket part, the microphone main body part is installed on the bracket part, and the first rotary driving member is in transmission connection with the bracket part for driving the directional microphone to rotate around the first rotation central axis through the bracket part.

9. The recording device according to claim 8, wherein The driving component further includes a second rotary driving member, the second rotary driving member is installed on the bracket part, the second rotary driving member is connected to the microphone main body part for driving the microphone main body part to rotate around a second rotation central axis, and the first rotation central axis and the second rotation central axis are set at an angle to each other.

10. The recording device according to claim 6, characterized in that, The rotary driving member is a motor.

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