Multi-sound-source monitoring, playing and recording equipment
By designing a multi-source audio monitoring and playback recording device, the problem of existing equipment being unable to clearly record multiple audio sources online and on-site was solved, achieving efficient recording and playback of multi-source signals and improving the recording and playback effect in conference scenarios.
Patent Information
- Application Number
- CN202423320411.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing recording equipment cannot clearly record the sound emitted by online conferencing software and audio/video software, nor can it simultaneously record the voices of multiple people in a live meeting and the sound output of other software on communication devices.
Design a multi-source audio monitoring, playback, and recording device, including a charging case and a communication headset. The charging case contains a circuit board, a display screen, multiple microphones, and a speaker. It uses a multi-audio processing module to process different sound signals and connects to the communication headset via IoT communication to achieve multi-source audio signal monitoring.
It improves the clarity and convenience of recording and playback in on-site meetings, online meetings, and hybrid meeting scenarios, and can record and play multiple audio signals simultaneously.
Smart Images

Figure CN223772141U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to earphone product technical field especially, relates to a kind of multi-sound source monitoring playback recording equipment. BACKGROUND
[0002] There are many methods and devices for recording, such as recording pens and the like, mobile phones, tablets or notebook computers can also run recording software for recording;The principle of the existing recording device is to sample the sound wave information propagated in the air, then to generate a digital format recording file that can be stored and transmitted through quantization, encoding and other processes, which is a traditional recording method and can be used for recording of multi-person live meeting, but this recording device cannot clearly record the sound emitted by online meeting software and audio / video software;When conducting online meeting, using the software on the communication device for recording requires obtaining microphone usage authorization, and the recording software on the communication device generally has poor recording effect for multi-person live meeting, and the recording of online participants is relatively clear, but the voices of other participants in the live meeting cannot be clearly recorded, and the sound output by other software on the communication device such as computer, mobile phone or tablet cannot be recorded;Therefore, the present application provides a device that can clearly record, play and store recording files for online meeting and live meeting simultaneously. SUMMARY
[0003] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a multi-sound source monitoring playback recording device, which can realize multi-sound source sound signal monitoring, greatly improving the clarity and convenience of recording / playback in live meeting, online meeting and live online hybrid meeting scenarios.
[0004] The embodiment of the present application provides a multi-sound source monitoring and playing recording equipment, which comprises a charging bin and a plurality of communication earphones stored in the charging bin and charged; the inside of the charging bin is provided with a circuit board, the charging bin is provided with a display screen, a plurality of first microphones and a first loudspeaker; the circuit board is provided with a first audio processing module and a second audio processing module, the first audio processing module is used for processing a first sound signal, and the second audio processing module is used for processing a second sound signal and a third sound signal, wherein the first sound signal is an audio signal of an external communication equipment accessed through wireless transmission, the second sound signal is a second sound signal of user voice information received by the first microphone or a third sound signal of an external communication equipment audio output connected in a wired mode; the first microphone surrounds the display screen and is arranged in an array, and the first loudspeaker and the first microphone are arranged on opposite sides of the charging bin; the communication earphone is provided with a second microphone and a second loudspeaker, and the communication earphone and the charging bin adopt a general Internet of Things communication mode.
[0005] Further, the display screen and the first microphone are arranged on the same side of the charging bin, a plurality of the first microphones form a ring-shaped sound pickup area, and the display screen is located at the center position of the sound pickup area.
[0006] Further, the number of the first microphones is an even number, and the number of the first microphones is not less than 4.
[0007] Further, the display screen is arranged at the middle position of the upper side of the charging bin, the first microphone is also arranged on the upper side of the charging bin, and a sound pickup hole is arranged at the position corresponding to each first microphone on the upper side of the charging bin, and the first loudspeaker is arranged at the middle position of the lower side of the charging bin.
[0008] Further, the charging bin comprises an upper shell and a lower shell which are pivotally connected, the circuit board comprises a main circuit board and a secondary circuit board, the secondary circuit board is arranged in the inside of the upper shell, the main circuit board is arranged in the inside of the lower shell, the display screen and the first microphone are arranged on the upper side of the upper shell and electrically connected with the secondary circuit board, the first audio processing module and the second audio processing module are arranged on the main circuit board, and the first loudspeaker is arranged at the bottom of the lower shell.
[0009] Further, the secondary circuit board and the main circuit board are electrically connected through a flexible flat cable.
[0010] Further, the main circuit board is further provided with a storage module, a radio frequency module, a communication module, a Bluetooth module, a touch sensing module, a display module, a first sound signal input module and a third sound signal input module, and the display screen has a touch sensing area.
[0011] Further, the main circuit board is further provided with a power management module, the power management module comprises a rechargeable battery; the radio frequency module has a radio frequency antenna, and the radio frequency antenna is arranged in the interior of the upper shell.
[0012] Further, the upper side of the upper shell is further provided with a one-key starting button.
[0013] Further, the display screen comprises an OLED display screen, an LCD display screen, a TFT display screen and an ink screen.
[0014] The application provides a multi-sound source monitoring and playing recording device.
[0015] The application comprises a charging bin and a plurality of communication earphones stored in the charging bin and charged, the inside of the charging bin is provided with a circuit board, the charging bin is provided with a display screen, a plurality of first microphones and a first loudspeaker, the display screen can display the running state information of the device, the first microphone can receive voice information of a user, and the first loudspeaker can play an audio signal; the circuit board is provided with a first audio processing module and a second audio processing module, the first audio processing module is used for processing a first sound signal, and the second audio processing module is used for processing a second sound signal and a third sound signal, the first sound signal is an audio signal of an external communication device accessed through wireless transmission, the second sound signal is a second sound signal of the voice information of the user received by the first microphone or a third sound signal of an audio output of the external communication device connected in a wired mode; the first microphone surrounds the display screen and is arranged in an array, which can enhance the clarity of the voice information of the user, the first loudspeaker and the first microphone are arranged on opposite sides of the charging bin, which can avoid interference of audio content played by the first loudspeaker on the first microphone for acquiring the voice information of the user; the communication earphone is provided with a second microphone and a second loudspeaker, the communication earphone and the charging bin adopt a general Internet of Things communication mode, the second microphone can also acquire the voice information of the user and generate a sound signal, the sound signal can be transmitted to the participants through the charging bin, and the second loudspeaker can play voice content for the user to listen to; thus, the device can realize multi-sound source sound signal monitoring, greatly improving the clarity and convenience of recording and playing in a live conference, an online conference and a live online hybrid conference. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1A multi-sound source monitoring and playing recording equipment obtains a schematic diagram of a sound source for an embodiment of the utility model;
[0017] Figure 2 For Figure 1 A flow chart of the recording equipment shown in the middle produces a recording file for the obtained sound source;
[0018] Figure 3 For Figure 1 A functional module schematic diagram of the recording equipment shown in the middle;
[0019] Figure 4 For Figure 1 A structural schematic diagram of the recording equipment shown in the middle;
[0020] Figure 5 For Figure 1 A schematic diagram of the communication earphone of the recording equipment shown in the middle is stored in the charging bin;
[0021] Among them, the meaning of the reference signs is as follows:
[0022] 1, charging bin;2, communication earphone;3, circuit board;4, display screen;5, first microphone;6, first loudspeaker;7, first audio processing module;8, second audio processing module;9, first sound signal;10, second sound signal;11, third sound signal;12, sound pickup hole;13, upper shell;14, lower shell;15, storage module;16, radio frequency module;17, communication module;18, Bluetooth module;19, touch sensing module;20, display module;21, first sound signal input module;22, third sound signal input module;23, power management module;24, radio frequency antenna;25, one-key start button. DETAILED DESCRIPTION
[0023] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.
[0024] In the description of the utility model, it is understood that the orientation description, such as up, down, front, back, up, down and the like, is based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as limiting the utility model.
[0025] As Figures 1-5As shown in the figure, the embodiment of the present application proposes a multi-sound source monitoring and playing recording equipment, which comprises a charging bin 1 and a plurality of communication earphones 2 stored in the charging bin 1 and charged; the inside of the charging bin 1 is provided with a circuit board 3, and the charging bin 1 is provided with a display screen 4, a plurality of first microphones 5 and a first loudspeaker 6; the circuit board 3 is provided with a first audio processing module 7 and a second audio processing module 8, the first audio processing module 7 is used for processing a first sound signal 9, and the second audio processing module 8 is used for processing a second sound signal 10 and a third sound signal 11, wherein the first sound signal 9 is an audio signal of an external communication device accessed by a wireless transmission mode, the second sound signal 10 is a sound signal of user voice information received by the first microphone 5 or audio information connected to the external communication device in a wired connection mode; the first microphone 5 surrounds the display screen 4 and is arranged in an array, and the first loudspeaker 6 and the first microphone 5 are distributed on opposite sides of the charging bin 1; the communication earphone 2 is provided with a second microphone (not shown in the figure) and a second loudspeaker (not shown in the figure), and the communication earphone 2 and the charging bin 1 adopt a general Internet of Things communication mode.
[0026] Based on the above technical scheme, the charging bin 2 is provided with a display screen 4, a plurality of first microphones 5 and a first loudspeaker 6, the display screen 4 can display the running state information of the equipment, the first microphone 5 can receive the voice information of the user, and the first loudspeaker 6 can play the audio signal; the circuit board 3 is provided with a first audio processing module 7 and a second audio processing module 8, the first audio processing module 7 is used for processing a first sound signal 9, and the second audio processing module 8 is used for processing a second sound signal 10 and a third sound signal 11; the first microphone 5 surrounds the display screen 4 and is arranged in an array, which can enhance the clarity of obtaining the voice information of the user, and the first loudspeaker 6 and the first microphone 5 are distributed on opposite sides of the charging bin 1, which can avoid the interference of the audio content played by the first loudspeaker 6 on the first microphone 5 to obtain the voice information of the user; the communication earphone 2 is provided with a second microphone and a second loudspeaker, and the communication earphone 2 and the charging bin 1 adopt a general Internet of Things communication mode, the second microphone can also obtain the voice information of the user and generate a sound signal, and the sound signal can be transmitted to the participants through the charging bin, and the second loudspeaker can play the voice content for the user to listen; at this time, the equipment can realize multi-sound source sound signal monitoring, greatly improving the clarity and convenience of recording / playing in the scene of live conference, online conference and live online hybrid conference.
[0027] It should be noted that: the first sound signal 9 refers to the audio signal of the wireless audio device; the second sound signal 10 refers to the sound of the participants speaking during the on-site meeting attended by one or more people offline, and the sound of other devices needed on site; the third sound signal 11 refers to the analog or digital audio signal transmitted to the device of the application by the audio output device of the application in a wired manner; the application can obtain the first / second / third sound signal, which can improve the scalability of the application.
[0028] The charging bin 1 can obtain the first sound signal 9 and transmit it to the communication earphone. The communication earphone 2 can decode and restore the first sound signal 9 into sound wave information for the user to hear.
[0029] Specifically, the communication earphone 2 can be wirelessly connected to the wireless sound source device that emits the first sound signal 9, can receive, forward, and restore the audio data stream emitted by the wireless sound source device, and can also record audio data through the microphone equipped by the device itself and transmit the recorded audio data back to the wireless sound source device in a wireless manner.
[0030] When the application first establishes a pairing connection with the wireless sound source device, a random link key is generated for encrypting wireless data transmission, ensuring the security and privacy of wireless audio data transmission.
[0031] The communication earphone 2 selects a wireless Bluetooth earphone, and the charging bin is a Bluetooth earphone charging bin. The Bluetooth earphone charging bin has a large volume, is suitable for beam forming noise reduction algorithm based on a multi-microphone array, improves the effect of on-site recording, and can accommodate a larger capacity battery to realize long-time uninterrupted recording.
[0032] The application can select a Bluetooth earphone charging bin plus two Bluetooth earphones, which are paired and synchronized in the existing TWS technology, or select a Bluetooth earphone charging bin plus a normal non-TWS Bluetooth earphone (such as a head-mounted or neck-hung Bluetooth earphone), which are paired and synchronized in the existing TWS technology. The Bluetooth earphone accessory plus a normal non-TWS Bluetooth earphone (such as a head-mounted or neck-hung Bluetooth earphone), which are paired and synchronized in the existing TWS technology.
[0033] In other embodiments, the application can also select four or more communication earphones 2.
[0034] For example, the communication earphone 2 can be a Bluetooth earphone, and the charging bin is a Bluetooth earphone charging bin. Figure 2As shown in the middle of the application, the application can perform real-time mixing processing on the acquired wireless audio device sound source audio stream (first sound signal) and the live acquired audio stream (second sound signal and third sound signal), and the mixing processing is completed by the program run by the processor on the circuit board. The audio stream data of the live and online sources are mixed into one audio stream data output, and the mixed audio stream is compressed and encoded to generate a specific format audio file, including but not limited to mp3, wav, wma, amr, etc.
[0035] In order to facilitate the first microphone 5 to acquire the user's voice information, the first microphone 5 needs to be arranged on the upper side of the charging compartment 1 shell, which can shorten the distance of the sound wave emitted by the user to the first microphone 5, and in order to facilitate the user to observe the running state of the device, the display screen 4 is generally arranged on the upper side of the charging compartment 1 shell, therefore, in the application, the display screen 4 and the first microphone 5 are arranged on the same side of the charging compartment 1, and are located on the upper side of the charging compartment 1 shell. A plurality of first microphones 5 form a ring-shaped sound pickup area, cooperate with the corresponding noise reduction algorithm, and obtain a better sound pickup effect. The user can clearly record his voice during the meeting. Specifically, in order to be beautiful, the display screen 4 is located at the center position of the sound pickup area.
[0036] In some embodiments, the number of first microphones 5 is even, and the number of first microphones 5 is not less than 4, which can be 4, 6, 8 or 12. The number of first microphones 5 can be selected according to the specific size of the charging compartment 1 shell. The outer size of the charging compartment 1 shell can be 6-12 cm, preferably 10 cm, and the number of first microphones 5 can be 6.
[0037] The display screen 4 is arranged at the middle position of the upper side of the charging compartment 1, and the first microphone 5 is also arranged on the upper side of the charging compartment 1. In order to enhance the sound pickup effect and improve the clarity of the acquired user voice information, a sound pickup hole 12 is arranged on the upper side of the charging compartment 1 corresponding to each first microphone 5. The first loudspeaker 6 is arranged at the middle position of the lower side of the charging compartment 1. When the first loudspeaker 6 plays voice information, it emits sound waves downward, which will not affect the sound pickup effect of the first microphone 5 on the upper side of the charging compartment 1.
[0038] The main processor of the circuit board 3 selects a Bluetooth audio SoC (System on Chip) with high integration, high performance, low power consumption and rich resources. It can also be a system-on-chip system composed of two or more chips.
[0039] Specifically, the charging bin 1 comprises an upper shell 13 and a lower shell 14 which are pivotally connected to each other, the circuit board 3 comprises a main circuit board and a sub-circuit board, the sub-circuit board is arranged inside the upper shell 13, the main circuit board is arranged inside the lower shell 14, the display screen 4 and the first microphone 5 are arranged on the upper side of the upper shell 13 and are electrically connected with the sub-circuit board, the first audio processing module 7 and the second audio processing module 8 are arranged on the main circuit board, the first loudspeaker 6 is arranged on the bottom of the lower shell 14, and a storage groove for storing a communication earphone is arranged inside the lower shell 14.
[0040] The sub-circuit board and the main circuit board are electrically connected through a flexible flat cable.
[0041] The main circuit board is further provided with a storage module 15, a radio frequency module 16, a communication module 17, a Bluetooth module 18, a touch sensing module 19, a display module 20, a first sound signal input module 21 and a third sound signal input module 22; the radio frequency module 16 is used for processing the transmission, filtering and amplification of radio signals; the touch sensing module 19 is used for detecting the touch operation of a user to realize single-click (short press), double-click (short press twice in succession), triple-click (short press three times in succession), sliding and long press and the like, and the specific implementation mode can be selected from, for example, pressure type, capacitive type and the like; the display screen 4 has a touch sensing area, the display module 20 can provide a visual user interactive interface, can display the working state of the device, the remaining power and the like, and can facilitate the user to manage the recorded sound files stored in the device, and the user can perform, for example, but not limited to, starting recording, playing and pausing, up, down, left and right navigation through the display screen 4; the storage module 15 is used for storing recorded sound files and storing computer readable programs, user recording data, user configuration information and the like of the device.
[0042] The circuit board 3 is further provided with a transmission module for synchronizing the recording data of the user to other electronic devices such as computers and mobile communication terminals, and the transmission mode includes wired transmission mode such as USB interface and wireless transmission mode such as Wi-Fi and Bluetooth.
[0043] The main circuit board is further provided with a power management module 23, the power management module 23 comprises a battery which can be charged, the power management module 23 can manage the charging and discharging of the battery, and the battery can supply power to other devices of the application; the radio frequency module 16 has a radio frequency antenna 24 which is arranged inside the upper shell 13.
[0044] A one-key starting button 25 is further arranged on the upper side of the upper shell 13 for facilitating the user to operate.
[0045] Specifically, the display screen 4 comprises an OLED display screen, an LCD display screen, a TFT display screen and an ink screen.
[0046] In the description of the utility model, if several meanings are more than one, the meaning of multiple is more than two, greater than, less than, more than and the like are understood as not including the number, above, below, within and the like are understood as including the number.If it is described to the first, the second is only used for distinguishing the purpose of technical features, and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the relationship between the indicated technical features.
[0047] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood in a broad sense, and the person skilled in the art in the technical field can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.
[0048] In the description of the utility model, the description of reference terms such as “one embodiment”, “some embodiments”, “illustrative embodiment”, “example”, “specific example” or “some examples” means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model.In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0049] The technical means disclosed in the utility model scheme is not only limited to the technical means disclosed in the above-mentioned embodiment, but also includes the technical scheme composed of any combination of the above technical features.It should be pointed out that for the person skilled in the art in this technical field, without departing from the principle of the utility model, a number of improvements and refinements can also be made, which are also considered within the protection scope of the utility model.
Claims
1. A multi-source monitoring playback recording device, characterized in that, The charging bin and a plurality of communication earphones stored in the charging bin and charged; The inside of the charging bin is provided with a circuit board, and the charging bin is provided with a display screen, a plurality of first microphones and a first loudspeaker; The circuit board is provided with a first audio processing module and a second audio processing module, the first audio processing module is used for processing a first sound signal, and the second audio processing module is used for processing a second sound signal and a third sound signal, wherein the first sound signal is an audio signal of an external communication device accessed through wireless transmission, the second sound signal is a second sound signal of user voice information received by the first microphone or a third sound signal of an external communication device audio output connected in a wired manner; The first microphone surrounds the display screen and is arranged in an array, and the first loudspeaker and the first microphone are arranged on opposite sides of the charging bin; The communication earphone is provided with a second microphone and a second loudspeaker, and the communication earphone and the charging bin adopt a general Internet of Things communication mode.
2. The multi-source listen-playback recording device of claim 1, wherein, The display screen and the first microphone are arranged on the same side of the charging bin, a plurality of the first microphone form a ring-shaped sound pickup area, and the display screen is located at the center position of the sound pickup area.
3. The multi-source listen-playback recording device of claim 2, wherein, The number of the first microphone is an even number, and the number of the first microphone is not less than 4.
4. The multi-source listen-playback recording device of any one of claims 1-3, wherein, The display screen is arranged at the middle position of the upper side of the charging bin, the first microphone is also arranged on the upper side of the charging bin, and a sound pickup hole is arranged at a position corresponding to each first microphone on the upper side of the charging bin, and the first loudspeaker is arranged at the middle position of the lower side of the charging bin.
5. The multi-source listen-playback recording device of claim 1, wherein, The charging bin comprises an upper shell and a lower shell which are pivotally connected, the circuit board comprises a main circuit board and a secondary circuit board, the secondary circuit board is arranged in the inside of the upper shell, the main circuit board is arranged in the inside of the lower shell, the display screen and the first microphone are arranged on the upper side of the upper shell and electrically connected with the secondary circuit board, the first audio processing module and the second audio processing module are arranged on the main circuit board, and the first loudspeaker is arranged at the bottom of the lower shell.
6. The multi-source listen-playback recording device of claim 5, wherein, The secondary circuit board and the main circuit board are electrically connected through a flexible flat cable.
7. The multi-source listen-playback recording device of claim 5, wherein, The main circuit board is further provided with a storage module, a radio frequency module, a communication module, a Bluetooth module, a touch sensing module, a display module, a first sound signal input module and a third sound signal input module, and the display screen has a touch sensing area.
8. The multi-source listen-playback recording device of claim 7, wherein, The main circuit board is further provided with a power management module, the power management module comprises a battery which can be charged, the radio frequency module has a radio frequency antenna which is arranged in the inside of the upper shell.
9. The multi-source listen-playback recording device of claim 8, wherein, The upper side of the upper shell is further provided with a one-key starting button.
10. The multi-source listen-playback recording device of claim 1, wherein, The display screen comprises an OLED display screen, an LCD display screen, a TFT display screen and an ink screen.