CN210075514U

CN210075514U - Recording equipment

Info

Publication number: CN210075514U
Application number: CN201921338221.4U
Authority: CN
Inventors: 王志军; 杨学理; 孙立刚
Original assignee: Tianjin Xunfeiji Technology Co Ltd
Current assignee: Tianjin Xunfeiji Technology Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-02-14
Anticipated expiration: 2029-08-16

Abstract

The application provides a recording device, this equipment includes: the device comprises a device body, a microphone array, directional microphones, a microphone fixing device and a processing module; the microphone arrays are arranged on at least one side surface of the equipment body in a distributed mode; the directional microphone is arranged at the top of one end of the equipment body; the microphone fixing device comprises a microphone fixing part and an equipment body connecting plate; the microphone fixing part is of a cylindrical structure surrounding the directional microphone, the bottom of the microphone fixing part is fixedly connected with the top of the equipment body where the directional microphone is located, and the top of the equipment body where the directional microphone is located is attached to the equipment body connecting plate in an extending mode; the processing module is arranged in the equipment body and used for receiving and processing the microphone array and the audio data collected by the directional microphone. The recording device improves the recording effect by arranging the microphone array and the directional microphone.

Description

Recording equipment

Technical Field

The utility model relates to a recording equipment field, more specifically say, relate to a recording equipment.

Background

With the continuous development of the human society to digitalization and intellectualization, people have more and more abundant information recording modes, wherein recording is an increasingly common information recording mode.

Common recording equipment is usually provided with only one microphone for audio data acquisition, and can only realize a simple recording function. However, as people have higher requirements for high fidelity, high definition and high sensitivity of audio recording, the existing recording devices have been unable to meet the user requirements.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a recording equipment can show and improve the recording effect.

In order to achieve the above object, the utility model provides a following technical scheme:

an audio recording apparatus comprising:

the device comprises a device body, a microphone array, directional microphones, a microphone fixing device and a processing module;

the microphones included in the microphone array are distributed and arranged on at least one side surface of the equipment body;

the directional microphone is arranged at the top of one end of the equipment body;

the microphone fixing device comprises a microphone fixing part and an equipment body connecting plate horizontally connected with the top of the microphone fixing part; the microphone fixing part is of a cylindrical structure surrounding the directional microphone, the bottom of the microphone fixing part is fixedly connected with the top of the equipment body where the directional microphone is located, and the top of the equipment body where the directional microphone is located is attached to the equipment body connecting plate in an extending mode;

the processing module is arranged in the equipment body, is respectively electrically connected with the microphone array and the directional microphone, and is used for receiving and processing audio data collected by the microphone array and the directional microphone.

Optionally, the recording apparatus further includes:

and the display screen is arranged on one side surface of the equipment body.

Optionally, the microphone array and the display screen are installed on the same side of the device body, and the microphones included in the microphone array are distributed and installed on the periphery of the display screen.

Optionally, the microphone array includes 4 microphones, any 3 microphones of the 4 microphones are installed above the display screen, and 1 microphone of the 4 microphones except for the any 3 microphones is installed below the display screen.

Optionally, the 3 microphones above the display screen are arranged in a straight line, and the distance between adjacent microphones is equal.

Optionally, the recording apparatus further includes:

the recording and voice key is arranged on one side surface of the equipment body and is electrically connected with the processing module;

the processing module is further used for controlling the microphone array and the directional microphone to start recording when the recording and voice key is triggered in a set first triggering mode;

and when the recording and voice key is triggered in a set second triggering mode, receiving a voice instruction and executing an operation corresponding to the received voice instruction.

Optionally, the side of the device body provided with the display screen is the front of the device body;

the back surface and the front surface of the equipment body are parallel;

or,

the top of the back surface and/or the front surface of the equipment body is protruded, and the protruded part of the back surface and/or the front surface of the equipment body is transited with the rest part through an arc surface.

Optionally, the microphone fixing portion is a hollow structure, and a hollow portion of the microphone fixing portion is located in a sound receiving direction of the directional microphone.

Optionally, the recording apparatus further includes:

and the audio output interface is arranged at the top of one end of the equipment body and is used for outputting audio data.

Optionally, the recording apparatus further includes:

and the data interface is positioned at the top of the end where the audio output interface is positioned and is electrically connected with the processing module.

Optionally, the recording apparatus further includes:

the loudspeaker is arranged at the top of the end where the data interface is positioned and is electrically connected with the processing module;

the data interface is arranged in the center of the top of the end where the data interface is located, and the audio output interface and the loudspeaker are respectively arranged on two sides of the data interface.

According to the above technical scheme, the utility model provides a recording equipment can pass through microphone array collection sound data closely, and this sound data closely can supply to fall the use of making an uproar, and consequently recording equipment's processing module handles the sound data closely that microphone array gathered, and the recording data that obtains is higher in the follow-up degree of accuracy when carrying out speech recognition and text transcription. Further, the utility model provides a recording equipment can also collect remote sound data through directional microphone, because directional microphone sampling rate is higher, consequently recording equipment's processing module handles the remote sound data that directional microphone gathered, and the recording data fidelity that obtains is higher, and the reduction recording scene that more can be clear, the recording data listening that obtains simultaneously is felt better. Based on this, the utility model provides a recording equipment has improved recording equipment's radio reception effect through setting up microphone array and directional microphone.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic diagram of an electrical connection relationship of a recording apparatus according to an embodiment of the present invention;

fig. 2 is a front view of a structure of a recording apparatus according to an embodiment of the present invention;

fig. 3 is a rear view of a structure of a recording apparatus according to an embodiment of the present invention;

fig. 4 is a right side view of a structure of a recording apparatus according to an embodiment of the present invention;

fig. 5 is a top view of a structure diagram of a recording apparatus according to an embodiment of the present invention;

fig. 6 is a left side view of a structure diagram of a recording apparatus according to an embodiment of the present invention;

fig. 7 is a bottom view of a structure diagram of a sound recording apparatus according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a recording equipment, it is shown with reference to fig. 1, this recording equipment includes equipment body 1, display screen 2, microphone array 3, directional microphone 4 and 5 quintuple parts of processing module on the whole.

The device body 1 is used as a main structure of the recording device and is used for bearing and accommodating other functional components of the recording device.

Illustratively, the equipment body 1 is a cubic structure with a cavity inside, the interior of the equipment body can be used for installing hardware functional components, and exposed components can be arranged on the surface of the equipment body through holes. The apparatus body 1 may include a plurality of side surfaces, for example, a front surface, a back surface, a left side surface, and a right side surface, and the plurality of side surfaces of the apparatus body 1 are sequentially connected to form a sidewall structure of the apparatus body 1. On this basis, the both ends of the lateral wall structure of the apparatus body 1 can be defined as the top end and the bottom end of the apparatus body 1, and the plane located at the top of the both ends constitutes the top surface and the bottom surface of the apparatus body 1, or called as the top of the both ends of the apparatus body 1.

As a preferred implementation manner, the embodiment of the present invention sets the above-mentioned device body 1 to the structure as shown in fig. 2, when the device body 1 is placed upright, the front and back surfaces thereof are two opposite side surfaces, the height of the device body 1 is greater than the width, and the area of the two opposite side surfaces is the largest; the front surface and the back surface are connected through a left side surface, a right side surface, a top surface and a bottom surface to form a closed cavity structure.

Referring to fig. 2, the display screen 2 is installed on one side surface of the device body 1;

exemplarily, the embodiment of the present invention provides a side surface of the device body 1, which has the largest area, and the side surface of the display screen 2 is set as the front surface of the recording device.

The display screen 2 may be used to display a recording file, display an interactive interface, display the operating state of the recording device, and the like. As an optional implementation manner, the Display screen 2 may be an LCD (Liquid Crystal Display) screen, and may also be an electronic ink screen, and a Display screen with a resolution of WVGA360 × 640 may be adopted, so that the Display content is clear and the color is richer.

The size of the display screen 2 can be set according to actual requirements, for example, set to 3.5 inches, or can also be designed according to the size of the side face of the device body where the display screen 2 is located, for example, the display screen 2 can be set to be the same as the size of the side face where the display screen is located, and therefore a full screen effect is achieved.

As preferred implementation, the embodiment of the utility model provides a set up foretell display screen 2 into touch-control display screen, the user not only can know equipment memory content, equipment functional state etc. through display screen 2's demonstration, can also control recording equipment's function through directly carrying out touch-control operation on display screen 2 for user and recording equipment's interaction is more direct and convenient, makes recording equipment more intelligent simultaneously.

The microphone array 3 is formed by arranging a plurality of microphones in a preset arrangement mode. The microphones included in the microphone array 3 are distributed and mounted on at least one side surface of the device body 1.

For example, the microphones included in the microphone array 3 may be distributed on the same side of the device body 1 according to a preset arrangement manner, for example, on the front, the back, the left side, the right side, and the like of the device body 1; alternatively, the microphones included in the microphone array 3 may be distributed and installed on different sides of the device body 1, for example, a part of the microphones in the microphone array 3 may be installed on the left side of the device body 1, and the remaining microphones may be installed on the right side of the device body 1.

Refer to the embodiment of the utility model provides a introduce, when actually installing each microphone of microphone array 3 to guarantee that the best radio reception effect of microphone array 3 is the principle, can carry out nimble adjustment to the mounted position of each microphone of microphone array 3, and the mutual position relation between each microphone. For example, the positions of the microphones of the microphone array 3 may be arranged in combination with an audio acquisition algorithm built in the recording device, so as to ensure that the audio acquisition algorithm can acquire audio data with optimal quality based on the microphone array 3.

As an exemplary implementation manner, the embodiment of the present invention provides the microphone array 3 on the front surface of the device body 1, that is, the microphone array 3 and the display screen 2 are disposed on the same side of the device body 1. Further, the respective microphones included in the microphone array 3 may be arranged to be distributed around the display screen 2.

For example, the microphone array 3 in the embodiment of the present invention is composed of 4 microphones, and for the sake of convenience of differentiation, the 4 microphones are respectively denoted as a microphone 31, a microphone 32, a microphone 33, and a microphone 34.

As an exemplary arrangement, as shown in fig. 2, 3 arbitrary microphones out of the 4 microphones are arranged above the display screen 2, and 1 microphone out of the 4 microphones except for the 3 arbitrary microphones is arranged below the display screen 2.

For example, the microphone 31, the microphone 32, and the microphone 33 are disposed above the display screen 2, and the microphone 34 is disposed below the display screen 2. The microphone 34 may be disposed below the display screen 2 on the left side. In order to ensure the overall aesthetic degree and symmetry of the front layout of the recording device, a decoration hole is arranged at the lower right side of the display screen 2 and at the position symmetrical to the microphone 34 along the vertical axis of the display screen 2, and the shape of the decoration hole is the same as that of the microphone 34.

As an exemplary arrangement, the embodiment of the present invention arranges the

microphones

31, 32, and 33 above the display screen 2 in a linear arrangement, and sets the distance between adjacent microphones equal.

Alternatively, the microphone array 3 may be disposed on the device body 1 in other arrangement manners in combination with the structure of the device body 1. For example, the microphones included in the microphone array 3 may be distributed on a circular track, so as to achieve the best effect of sound reception in 360 degrees.

In practical implementation of the technical solution of the present invention, the number of microphones included in the microphone array 3 can also be flexibly set.

Optionally, each microphone in above-mentioned microphone array 3 can be the omnidirectional microphone, and the omnidirectional microphone here has higher sensitivity to can carry out 360 degrees all-round pickups in the recording scene, thereby the embodiment of the utility model provides a recording equipment can gather the sound data of 360 degrees directions in the recording scene through microphone array 3, consequently can avoid losing more important sound data in the recording scene.

Optionally, the omnidirectional microphone may be a silicon microphone, which may also be referred to as a micro-electromechanical microphone (memmicphone) or a microphone chip, and has the advantages of high sensitivity, consistent phase, good stability, small volume, and the like, and the sound data acquired by the silicon microphone is beneficial to the processing module 5 to accurately position the sound source and calculate the narrow beam based on the beam forming principle, so as to achieve the function of noise reduction; the sampling rate of the silicon microphone is usually more than or equal to 16k/24bit, and by adopting the sampling rate and combining with algorithms such as accurate sound source positioning, narrow beam noise reduction, echo cancellation and the like, the quality of the recording data output by the processing module 5 is higher, and the accuracy of the recording data is higher when voice recognition and text transcription are subsequently carried out; in addition, the sound receiving distance of the silicon microphone can reach 3 meters to 5 meters under the common condition, so that the recording equipment can more accurately acquire the sound data in a short distance.

The directional microphone 4 is arranged at the top of one end of the equipment body 1;

specifically, the directional microphone 4 is also called a super directional microphone, and the directional microphone 4 can only pick up sound in a single direction, and the sensitivity of the directional microphone 4 to sound data in the sound pickup direction is higher than that of sound data in other directions.

As an exemplary setting mode, the embodiment of the present invention provides a directional microphone 4 at the top of one end of the main body 1 of the recording device, and sets the directional microphone 4 at one side edge of the top of the end, so that the directional microphone 4 protrudes from the main body 1 as a whole, thereby ensuring that the directional microphone 4 is not blocked when collecting audio data in the pickup direction.

For example, the directional microphone 4 may be an Electret microphone (ECM), which has the advantages of high precision, low price, etc.; the sampling rate of the electret microphone is higher than that of the silicon microphone, the sampling rate of the electret microphone is larger than or equal to 96k/24bit under the normal condition, the sampling rate is adopted, and a noise reduction algorithm is combined, so that the recording data output by the processing module 5 has higher fidelity, a more real and clear recording site can be restored, and the obtained recording data has better hearing sense; in addition, the sound receiving distance of the electret microphone can reach more than 15 meters, so that the recording pen can accurately acquire remote sound data.

The diameter of above-mentioned electret microphone ECM reaches 10mm, and consequently above-mentioned directional microphone 4's volume is great, and bulky directional microphone 4 is designed for the protruding structural style from equipment body 1, makes directional microphone 4 receive the striking very easily and damages, in order to protect directional microphone 4, the embodiment of the utility model provides an it sets up microphone fixing device 6 for it.

Referring to the front, rear, right and top views of the sound recording apparatus shown in fig. 2 to 5, the microphone fixing device 6 is mounted on the top of the end of the apparatus body 1 where the directional microphone 4 is located and is disposed around the directional microphone 4.

The microphone fixing device 6 includes a microphone fixing portion and an apparatus body connecting plate horizontally connected to the top of the microphone fixing portion.

As shown in fig. 2, the microphone fixing portion is a cylindrical structure surrounding the directional microphone 4, and the top of the microphone fixing portion is horizontally connected to the device body connecting plate, and the bottom of the microphone fixing portion is fixedly connected to the top of the device body where the directional microphone 4 is located. On the whole, the inner wall of the microphone fixing part is matched with the periphery of the directional microphone 4, so that the microphone fixing end can be attached and sleeved on the periphery of the directional microphone 4.

The connecting plate of the device body is of a flat plate structure and is horizontally connected with the top of the microphone fixing part, so that the connecting plate of the device body is horizontally arranged above the top of the device body 1. Meanwhile, the top of the equipment body where the directional microphone 4 is located extends and is attached to the equipment body connecting plate, so that one end of the equipment body connecting plate is fixed on the equipment body, and the other end of the equipment body connecting plate is connected with the microphone fixing part. Then, on the whole, the microphone fixing device 6 is connected with the top of the device body 1 at multiple positions, so that the microphone fixing device 6 is more stable, and further the directional microphone 4 is protected.

Furthermore, in order to prevent the microphone fixing device 6 surrounding the directional microphone 4 from affecting the pickup of the directional microphone 4, the embodiment of the present invention sets the microphone fixing portion of the microphone fixing device 6 to be a hollow structure, and the hollow portion is located in the sound receiving direction of the directional microphone 4.

As shown in fig. 2-5, the embodiment of the present invention sets the sidewall and the top of the microphone fixing portion of the microphone fixing device 6 as hollow structures, so as to ensure that the pickup direction of the directional microphone 4 is not blocked.

In practical situations, the number and the installation positions of the directional microphones 4 and the structures of the microphone fixing devices 6 matched with the directional microphones can be flexibly arranged.

The processing module 5 is installed inside the device body 1, electrically connected to the microphone array 3 and the directional microphone 4, and configured to receive and process audio data collected by the microphone array 3 and the directional microphone 4.

Specifically, the processing module 5 is used as a data processing device of the recording device, and is configured to process the audio data collected by the recording device. The processing module 5 has a hardware structure, and may be in the form of a hardware processing circuit, a processor, or the like.

The processing module 5 is electrically connected to the microphone array 3 and the directional microphone 4. Each microphone in the microphone array 3 and the directional microphone 4 may respectively collect one path of audio data and send the collected audio data to the processing module 5. The processing module 5 may process the received audio data, e.g. for storing, encoding, translating, text transcription, etc.

Preferably, the processing module 5 may perform a fusion process on the audio data collected by the microphone array 3 and the audio data collected by the directional microphone 4, or perform different application processes. For example, the audio data collected by the two microphones are fused, so that the audio data has high definition and high fidelity at the same time, and the audio data is suitable for voice recognition and can vividly restore the field sound effect.

Or, only the high-definition audio data collected by the microphone array 3 may be used for voice recognition, and the high-assurance audio data collected by the directional microphone 4 may be used for playback, so as to vividly restore the live sound effect.

It should be noted that the processing module 5 may be implemented by using an existing processor, processing circuit, processing chip or a set of processing chips, which may include a noise reduction chip, a voice recognition chip, and so on. To the data processing function that above-mentioned processing module 5 realized, be the common function that each hardware processing chip itself that it contained has, can specifically refer to the design realization of prior art scheme, the embodiment of the utility model discloses do not regard above-mentioned processing function as innovative content, consequently no longer detail.

The embodiment of the utility model provides a recording equipment can pass through microphone array collection sound data closely, and this sound data closely can supply to fall the use of making an uproar, and consequently recording equipment's processing module handles the sound data closely that microphone array gathered, and the recording data that obtains is higher in the degree of accuracy when subsequently carrying out speech recognition and text transcription. Further, the embodiment of the utility model provides a recording equipment can also collect remote sound data through directional microphone, because directional microphone sampling rate is higher, consequently recording equipment's processing module handles the remote sound data that directional microphone gathered, and the recording data fidelity that obtains is higher, and the reduction recording scene that more can be clear, the recording data listening that obtains simultaneously is felt better. Based on this, the embodiment of the utility model provides a recording equipment has improved recording equipment's radio reception effect through setting up microphone array and directional microphone.

For example, the side of the device body 1 provided with the display screen 2 is the front of the device body 1, and the back of the device body 1 may be parallel to the front of the device body 1, or, as shown in fig. 3 and 4, the back or the top of the front of the device body 1 is provided with a protruding structure, the protruding portion of the back or the front is in transition with the rest of the device body through an arc surface, and the device body 1 is a structure with a thin lower part and a thick top on the whole, so that the device body is convenient for a user to hold.

Optionally, the equipment body 1 is made of Plastic (PC) materials, and is manufactured through injection molding and paint spraying processes, so that the recording equipment is lighter and thinner and has more texture. Especially, the back of the equipment body 1 is manufactured by an integral injection molding technology, so that the integral attractiveness of the recording equipment can be improved.

Exemplarily, as shown in fig. 2 and fig. 4, the embodiment of the present invention further provides a recording and voice button 7 for the recording device, and the recording and voice button 7 is installed on a side surface of the device body 1 and electrically connected to the processing module 5 of the recording device.

When the recording and voice key 7 is triggered in different triggering modes, the triggering of the recording function and the triggering of the voice function are respectively realized.

Illustratively, when the recording and voice button 7 is triggered in the set first triggering manner, the processing module 5 sends control signals to the microphone array 3 and the directional microphone 4 to control the microphone array 3 and the directional microphone 4 to start recording, i.e. to trigger the recording function of the recording device.

For example, when the recording device is in a standby state (the display screen 2 is in a black screen) or in an operating state (the display screen 2 is in a bright screen or in a black screen), and the user clicks the recording and speech button 7, the processing module 5 immediately sends control signals to the microphone array 3 and the directional microphone 4 to control the microphone array 3 and the directional microphone 4 to start recording.

When the recording and voice key 7 is triggered in the set second triggering manner, the processing module 5 receives the voice command and executes an operation corresponding to the received voice command.

Illustratively, when the recording and voice button 7 is triggered in the set second triggering mode, the processing module 5 identifies a preset voice instruction from the audio data collected by the microphone array 3 and the directional microphone 4, and when the voice instruction is identified, performs an operation corresponding to the voice instruction.

Alternatively, a stored voice instruction may be set in advance for the processing module 5, and an operation corresponding to the voice instruction may be set.

For example, when the recording and voice button 7 is triggered by double-click, the processing module 5 controls the microphone array 3 and the directional microphone 4 to start to collect a user voice instruction, and if the processing module 5 identifies a voice instruction of "start recording" from the audio data collected by the microphone array 3 and the directional microphone 4, the processing module sends a recording start instruction to the microphone array 3 and the directional microphone 4 to start to continuously collect the audio data, that is, start recording; if a voice instruction of "transcribe recording" is recognized from the audio data collected by the microphone array 3 and the directional microphone 4, the processing module 5 performs a text transcription operation on the recording data closest to the current time.

It can be understood that the embodiment of the utility model provides a through setting up the different mode that triggers, with foretell recording and 7 multiplexing of pronunciation buttons to the realization is to the different function control of recording equipment. In practical application the embodiment of the utility model provides a during recording equipment scheme, can refer to above-mentioned embodiment and introduce, set up more buttons for recording equipment, perhaps set up more functions for the button that sets up.

For example, referring to fig. 4, the embodiment of the present invention further includes a switch 8 on the side of the device body 1 where the recording and voice button 7 is located. The power on/off key 8 is electrically connected with the processing module and used for controlling the power on and off of the recording equipment.

Further, referring to fig. 2 and 6, on the opposite side of the side where the recording and voice button 7 and the power on/off button 8 are located, the embodiment of the present invention further provides a volume adjusting button 9 and a SIM card slot 10.

The volume adjusting key 9 may be divided into a volume + key and a volume-key, which are respectively used for adjusting the volume of the audio data played by the recording device.

The SIM card slot is used for accommodating a SIM card, so that the recording device can implement a mobile communication function based on the SIM card, for example, a 3G, 4G, or 5G communication function of the recording device can be implemented by placing a SIM card in a 3G, 4G, or 5G mode into the SIM card slot.

Based on the mobile communication function of the recording device, the audio data obtained by processing by the processing module 5 or the text data corresponding to the audio data can be sent to the user terminal or the cloud terminal through the mobile communication function, so that the user can perform subsequent processing on the audio or the text data at the terminal and the cloud terminal.

For example, the various keys introduced above may be physical keys, or may be virtual keys, such as touch keys, etc., and the embodiments of the present invention do not strictly limit the specific forms thereof.

Meanwhile, the installation positions of the keys of the recording equipment can be flexibly adjusted according to the actual conditions.

Further, the condition that the touch was invalid can appear when considering the user to touch the button, and for example touch the dynamics undersize and lead to touching to be invalid, consequently the embodiment of the utility model provides an install the pilot lamp on recording equipment, when recording equipment's arbitrary button was triggered successfully, this pilot lamp was bright to the user can be based on whether bright definite button of pilot lamp is triggered successfully.

The embodiment of the utility model provides a recording equipment can realize the collection to audio data's high definition, high-fidelity. When the recording device is actually applied, a user also has a demand for playing the audio data collected by the recording device, namely, a demand for recording and playing.

Based on above-mentioned user's demand, see that fig. 7 shows, the embodiment of the utility model provides a set up an audio output interface 11 for recording equipment, this audio output interface 11 is located equipment body 1 one end top, specifically is the bottom top of equipment body 1, on the bottom surface promptly.

Illustratively, the audio output interface 11 may be a headphone interface, such as a 3.5mm headphone interface, to which a user may plug a headphone to play audio data collected by listening to a recording device.

At the end top of the equipment body 1 where the audio output interface 11 is located, the embodiment of the present invention further provides a data interface 12, and the data interface 12 is a data transmission interface of a recording device. Illustratively, the data interface 12 may be a TYPE-C interface, a USB interface, or the like. The data interface 12 may be connected to other devices through a data line, so as to establish a data transmission channel between the recording device and the other devices, and further achieve mutual data transmission, for example, audio data, text data, and the like may be transmitted.

Further, the embodiment of the utility model provides a still set up speaker 13 for recording equipment for the audio data of direct public address broadcast recording equipment collection and storage.

Referring to fig. 7, the speaker 13 is also disposed on the top of the end where the audio output interface 11 and the data interface 12 are located. The data interface 12 is disposed in the center of the top of the end where the data interface is located, and the audio output interface 11 and the speaker 13 are disposed on two sides of the data interface 12 respectively.

And simultaneously, the embodiment of the utility model provides an inside memory and rechargeable battery of still including of recording equipment. The memory and the rechargeable battery are both mounted inside the device body 1 and are electrically connected to the processing module 5.

The memory can store audio data collected by the microphone array 3 and the directional microphone 4, and text data obtained by text transcription of the audio data by the processing module 5, and the like, and the data storage function of the memory is controlled by the processing module 5. On the other hand, the processing module 5 may also read data from the memory and process the data, for example, send the data to the outside through the data interface 12.

The rechargeable battery supplies power to the recording device and can be charged through the data interface 12. A power management module may be disposed in the processing module 5, wherein a 5V1.5A charging protocol is added to implement standard mode charging of the rechargeable battery.

As an exemplary setting manner, the processing module 5 specifically includes an encoder and a processor;

wherein, the encoder is electrically connected with the microphone array 3 and the directional microphone 4, and is used for converting the analog audio data collected by the microphone array 3 and the directional microphone 4 into digital audio data;

the processor is connected with the encoder and used for processing the digital audio data output by the encoder.

Specifically, the audio data collected by the microphone array 3 and the directional microphone 4 are analog audio signals. The microphone array 3 and the directional microphone 4 transmit the collected analog audio signals to an encoder, and the encoder is used for converting the received analog audio signals into digital audio signals and transmitting the digital audio signals to the processor through a digital interface so as to obtain recording data based on the processor. Optionally, the digital interface may be 12S/TDM or 12C.

It can be understood that each microphone in the microphone array 3 can collect one analog audio signal, and similarly, the directional microphone 4 can collect one analog audio signal, that is, the sum of the number of the microphones in the microphone array 3 and the number of the directional microphones 4 in the recording device is the same as the total number of the analog audio signals. Optionally, an independent ADC (Analog-to-digital converter) may be provided in the encoder for each Analog audio signal, so that the output digital audio signals may be kept synchronous.

For example, the encoder is electrically connected to a speaker of the recording device, and the encoder may output the converted digital audio signal to the speaker of the recording device, so that the speaker may amplify and play the digital audio signal.

Meanwhile, the audio played by the loudspeaker is collected by the microphone array 3 and the directional microphone 4 again as an echo cancellation reference signal and is input into the encoder, and the encoder encodes the audio and sends the encoded audio to the processor, so that the processor performs echo cancellation processing on the digital audio signal obtained by collection and conversion by using the audio.

The processor is electrically connected with the encoder, so that when the encoder sends the output digital audio signal to the processor, the processor can receive and process the digital audio signal to obtain audio data.

Optionally, the processing of the digital audio signal by the processor may include: and respectively carrying out voice algorithm operation, data scheduling transmission, peripheral cooperative logic control and interactive management of system application on the digital audio signals. Optionally, before processing the digital audio signal, the processor may first perform noise reduction processing on the received digital audio signal based on a noise reduction algorithm.

The embodiment of the utility model provides an in, after the treater handled digital audio signal and obtained recording data, can also do further processing to recording data, for example carry out speech recognition and text transcription to recording data, translate recording data etc.

Furthermore, the embodiment of the present invention further provides a wireless communication module for the processing module 5, wherein the wireless communication module is electrically connected to the processor and is used for sending and receiving data, for example, sending audio data or text data obtained by processing by the processor to the outside, or receiving audio or text data sent by other devices. Illustratively, the wireless Communication module may include any one of bluetooth, NFC (Near Field Communication), and WIFI Communication. Or, the wireless communication module may also implement 3G, 4G, 5G, or other forms of mobile communication based on a SIM card in a SIM card slot of the sound recording device.

It can be understood that the processing module 5 has complete data processing functions of data storage, data processing, data transmission and the like.

Based on each hardware functional component of perfect data processing function and recording equipment of above-mentioned processing module 5, it is exemplary, the embodiment of the utility model provides a recording equipment can include multiple usage pattern, and is optional, and recording equipment's usage pattern can include: at least one of a standard mode, a conference mode, a memo mode, a music mode, a speech mode, and an interview mode; each usage mode may include different functions, such as voice recognition and transcription, translation, etc. of the recorded data in the standard mode.

Optionally, the embodiment of the utility model provides a recording equipment can adopt intelligent file management system, and this intelligent file management system can be through the label to recording data increase multidimension degree, like labels such as time, place, label, scene, search for the user can more conveniently just seek oneself required recording data fast. The user can also set a password for the recording device, so as to perform password protection on the collected audio data, the setting and verification of the password can be completed through the processing module 5, and the password interaction with the user can be performed through the display screen 2. Furthermore, the user can encrypt the specific audio file stored in the recording device.

It should be noted that the above-mentioned various functions of the sound recording device provided by the embodiment of the present invention are implemented by relying on each functional chip or functional component in the sound recording device, for example, by means of the processing chip of the processing module 5, the data is received, stored, processed, and transmitted; the display of the user interaction interface is realized by means of the display screen 2, and the display output of equipment files, working states and the like is realized; the data is transmitted and received by means of a wireless communication module or a data interface of the sound recording equipment; and realizing the control of each function of the recording equipment by means of the keys of the recording equipment.

It should be appreciated that the above-mentioned various functions of the recording apparatus are common functions of various processing chips or functional components included in the recording apparatus, and the functions can be designed and implemented according to the prior art, and the specific design of the above-mentioned various functions is not the innovative content of the recording apparatus provided by the present invention, and therefore, detailed description is not given in the embodiments of the present invention. The embodiment of the utility model provides a recording equipment mainly improves from the hardware structure, through for it adds the functional unit to and design the structure and the form of equipment, make its function more perfect, further satisfy the user demand.

It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. The utility model discloses module and submodule piece in each embodiment can merge, divide and delete according to actual need.

In the embodiments provided in the present invention, it should be understood that the disclosed terminal, device, can be implemented in other manners. For example, a module or sub-module may be divided into only one logical function, and an actual implementation may have another division, for example, multiple sub-modules or modules may be combined or integrated into another module, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.

Modules or sub-modules described as separate components may or may not be physically separate, and components that are modules or sub-modules may or may not be physical modules or sub-modules. Some or all of the modules or sub-modules can be selected according to actual needs to achieve the purpose of the solution of the present embodiment.

In addition, each functional module or sub-module in the embodiments of the present invention may be integrated into one processing module, or each module or sub-module may exist alone physically, or two or more modules or sub-modules may be integrated into one module.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or device comprising the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An audio recording apparatus, comprising:

2. The audio recording apparatus according to claim 1, characterized in that the audio recording apparatus further comprises:

and the display screen is arranged on one side surface of the equipment body.

3. The audio recording device as claimed in claim 2, wherein the microphone array and the display screen are disposed on the same side of the device body, and the respective microphones of the microphone array are disposed around the display screen.

4. The audio recording device according to claim 3, wherein the microphone array comprises 4 microphones, any 3 of the 4 microphones are installed above the display screen, and 1 of the 4 microphones other than the any 3 microphones is installed below the display screen.

5. The audio recording device according to claim 4, wherein the 3 microphones above the display screen are arranged in a straight line and the distance between adjacent microphones is equal.

6. The audio recording apparatus according to claim 1, characterized in that the audio recording apparatus further comprises:

7. The audio recording apparatus according to claim 1, wherein the side of the apparatus body on which the display screen is provided is a front side of the apparatus body;

the back surface and the front surface of the equipment body are parallel;

or,

8. The audio recording device as claimed in claim 1, wherein the microphone fixing portion is a hollow structure, and the hollow portion is located in a sound receiving direction of the directional microphone.

9. The audio recording apparatus according to claim 1, characterized in that the audio recording apparatus further comprises:

10. The audio recording apparatus according to claim 9, characterized in that the audio recording apparatus further comprises:

11. The audio recording apparatus according to claim 10, characterized in that the audio recording apparatus further comprises: