Novel integrated audio conference intelligent terminal

Abstract

The utility model discloses a novel integrated audio conference intelligent terminal, which comprises an AI audio processing module, a digital power amplifier module, a microphone module, an audio input and output module, a feedback suppression module, an audio mixing module, a power supply module and a display screen which are arranged in a shell, the audio input module and the microphone module are connected with the sound mixing module, the sound mixing module is connected with the feedback suppression module, the AI audio processing module is respectively connected with the feedback suppression module, the digital power amplifier module and the audio input and output module, and the AI audio processing module is used for receiving microphone module audio signals optimized by the feedback suppression module. The audio is intelligently processed through the integrated AI chip, the sound effect is automatically adjusted and optimized, the audio information is output through the sound box output module, the audio information is displayed through the display screen, and the output quality of the sound box is ensured through the digital power amplifier module. The audio acquisition device is simple in structure, and integrates audio acquisition, transmission and playing into a whole.

Description

TECHNICAL FIELD

[0001] The utility model relates to audio communication technical field, concretely relates to a novel integrated audio conference intelligent terminal. BACKGROUND

[0002] With the development of mobile internet technology, more and more business negotiation, resolution etc. adopt through transmission line and multimedia equipment, and sound, image and file data are intertransmitted, and instant and interactive communication video conference is realized. The existing video conference needs to configure feedback suppressor, audio processor and digital power amplifier multiple devices to form perfect conference sound system, but the existing sound system has the following problems:

[0003] 1. jumper connection between each device is frequent and complex;

[0004] 2. each device is uniformly and individually debugged, and the debugging process is complex;

[0005] 3. professional technical personnel are needed to assist and cooperate with debugging;

[0006] 4. the meeting environment can affect the sound quality change of the conference sound amplification system, so professional persons are needed to debug the parameter effect of the sound equipment to improve the sound amplification quality. SUMMARY

[0007] The utility model aims at the shortage of prior art, provides a novel integrated audio conference intelligent terminal, realizes the collection, transmission, playing of integrated audio.

[0008] The utility model discloses the technical scheme that the purpose adopts is:

[0009] A novel integrated audio conference intelligent terminal, including the casing, be equipped with AI audio processing module, digital power amplifier module, microphone module, audio input output module, feedback suppression module, mix sound module and display screen in the casing, the display screen is connected with microphone module electricity, shows microphone module audio information through display screen, audio input output module and microphone module are connected with mix sound module electricity, mix sound module is connected with feedback suppression module electricity, AI audio processing module is connected with feedback suppression module, digital power amplifier module and audio input output module electricity respectively, AI audio processing module is used to receive the microphone module audio signal after optimization by feedback suppression module, carries out intelligent processing to audio through integrated AI chip, realizes the automatic adjustment and optimization of sound effect, then exports through audio input output module, ensures the quality and stability of output through the management and control digital power amplifier module.

[0010] Further, a one-key locking button is arranged, which is electrically connected with the display screen and the microphone module, and is used for one-key screen locking control of the microphone module.

[0011] Further, a camera is arranged, which is electrically connected with the AI audio processing module, and is used for camera tracking shooting according to the control information obtained by the AI audio processing module.

[0012] Further, the audio mixing module is also electrically connected with the digital power amplifier module, and a switch is arranged between the digital power amplifier module and the feedback suppression module.

[0013] Further, the microphone module comprises a wired microphone and / or a wireless microphone, the wireless microphone is a digital pilot UHF wireless microphone or a 2.4 wireless microphone, and the wired microphone is a wired analog microphone.

[0014] Further, the digital power amplifier module adopts an SMPS+CLASS-D power amplifier module.

[0015] Further, the audio input and output module is provided with multi-channel mic input and output interfaces and multi-channel external input and output interfaces, and the mic input interface is provided with phantom power supply.

[0016] Further, a power control module is arranged, which is a power timing module, and is used for controlling the sequential starting and closing of power supplies of various modules, so as to guarantee the starting safety among the equipment modules.

[0017] The above technical scheme has the following beneficial effects:

[0018] The utility model discloses a simple structure, adopts advanced AI integrated technology, realizes a device to solve audio regulation processing, power management, wireless conference microphone host, audio mixer, multi-channel input and output, digital power amplifier and various functions.

[0019] Integrated AI intelligent audio processing and feedback suppression, real-time frequency hopping throughout, automatically selects the optimal non-interference frequency point, automatically detects the distance between the intelligent terminal and the conference unit, intelligently adjusts the transmission power, and provides high-quality audio experience.

[0020] The audio input and output module is provided with multiple interfaces, supports multi-channel audio input and output, and facilitates connection of various audio equipment.

[0021] Adopt digital pilot UHF wireless microphone (support table microphone, handheld, clip and other styles of optional), digital pilot UHF wireless microphone receiving distance, prevent high frequency FM radiation noise interference performance stability is high.

[0022] Adopt SMPS+CLASS-D power amplifier module to optimize performance and sound quality, provide the performance of the terminal.

[0023] Adopt 2.4 wireless microphone microphone open speech delay is only 100 milliseconds, far faster than the digital pilot UHF wireless microphone 1 second or more delay.

[0024] The following further description is made in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 For the circuit schematic of specific embodiment 1;

[0026] Figure 2 For the circuit schematic of specific embodiment 1, the power control module is added.

[0027] In the drawings, 1 is AI audio processing module, 2 is digital power amplifier module, 3 is microphone module, 4 is audio input and output module, 5 is mixer, 6 is display screen, 7 is feedback suppression module, 8 is power control module. DETAILED DESCRIPTION Specific embodiment 1:

[0029] Reference Figure 1 And Figure 2As shown, a new type of integrated audio conference intelligent terminal, including the shell, the shell is provided with AI audio processing module 1, digital power amplifier module 2, microphone module 3, audio input and output module 4, mixing module 5, display screen 6 and feedback suppression module 7, audio input and output module 4 and digital power amplifier module 2 and audio amplifier are electrically connected, the display screen is electrically connected with the microphone module, the microphone module audio information is displayed through the display screen, the audio input module and the microphone module are electrically connected with the mixing module, the mixing module is electrically connected with the feedback suppression module, the AI audio processing module is electrically connected with the feedback suppression module, the digital power amplifier module and the audio input and output module respectively, the AI audio processing module adopts AI intelligent noise reduction processor, realizes voice switching zero delay, automatic sound effect adjustment. The AI audio processing module is used for receiving the microphone module audio signal optimized by the feedback suppression module, intelligently processing the audio by the integrated AI chip, realizing the automatic adjustment and optimization of the sound effect, then outputting to the audio amplifier through the audio input and output module, simultaneously managing and controlling the digital power amplifier module, ensuring the quality and stability of the audio amplifier output, the digital power amplifier module adopts SMPS+CLASS-D power amplifier module, in the specific embodiment: the digital power amplifier module adopts 2*100W@8Ω / 2*150W@4Ω dual-channel CLASS-D power amplifier module, which can output a maximum of 4 professional sound expansion speakers, and has CH1, CH2, CH3 and CH4 four sound channels.

[0030] The mixing module is also electrically connected with the digital power amplifier module, and a switching switch is arranged between the digital power amplifier module and the feedback suppression module. The switching circuit can manually select whether to output directly through the digital power amplifier module or to output after processing by the feedback suppression module and the AI audio processing module according to the actual situation.

[0031] The feedback suppression module 7 adopts a feedback suppressor, which is used for realizing adaptive sound feedback elimination, automatic noise reduction and echo cancellation functions, and can effectively suppress howling and eliminate the background noise of the environment air conditioner and fan picked up by the microphone.

[0032] The microphone module includes a wired microphone and / or a wireless microphone, and the wireless microphone adopts a UHF digital pilot circuit wireless microphone or a 2.4 wireless microphone. The wired microphone is a wired analog microphone. In the specific embodiment, the microphone module adopts MIC IN1 interface and MIC IN2 interface to access the wired microphone. The wireless microphone adopts one-to-four, one-to-eight or one-to-many options, and the number of microphones is not limited. The wireless microphone supports (desktop microphone, neck clip microphone, handheld microphone style options), UHF frequency infrared frequency microphone.

[0033] The audio input and output module is provided with multi-channel mic input, output interface and multi-channel external input, output interface, the mic input interface is provided with phantom power supply, in the embodiment: two mic input interfaces are provided, supporting the input of analog goose neck microphone / wireless microphone, etc. The two-way external input and two-way external output interface can support local sound amplification and remote video demand, the external input interface is used for electrical connection with notebook, mobile phone or remote video conference host, etc. The external output interface is used for electrical connection with the recording and broadcasting integrated machine. The output interface of the digital power amplifier module is connected with four loudspeakers.

[0034] The external input sound source can be mixed with the microphone sound source of the internal microphone module and output to the external device. It has two-way LINE external audio balanced input and two-way LINE external audio balanced output. The mic input interface is provided with phantom power supply, which can provide 48V phantom power supply for the connected line microphone.

[0035] Possibly, a one-key locking button is also provided, which is electrically connected with the display screen 6 and the microphone module 3. The one-key locking button is used for one-key screen locking control of the microphone module, realizing one-key locking to close the display screen volume increase and decrease, microphone frequency point switching operation, preventing accidental operation. In the embodiment, the one-key locking button and the display screen are a display screen button integrated machine.

[0036] Possibly, a camera is also included, which is a camera with control function. The AI audio processing module is electrically connected with the camera, and is used for controlling the camera tracking shooting according to the control information obtained by the AI audio processing module.

[0037] In the embodiment, the AI audio processing module is connected with the camera through the CONSOLE port, and is used for real-time tracking of the speaker in the video conference or live meeting.

[0038] Referring to Figure 2 As shown, a power control module 8 is also included, which is a power timing module connected with 200V AC power supply. The power control module is used for controlling the start and shutdown of the microphone module, AI audio processing module, feedback suppression module and digital power amplifier module in sequence, ensuring the safety of the start of each device module.

Claims

1. A new type of integrated audio conference intelligent terminal, comprising a shell, characterized in that: The shell is provided with an AI audio processing module, a digital power amplifier module, a microphone module, an audio input / output module, a feedback suppression module, a mixing module and a display screen, the display screen is electrically connected with the microphone module, the microphone module audio information is displayed through the display screen, the audio input / output module and the microphone module are electrically connected with the mixing module, the mixing module is electrically connected with the feedback suppression module, the AI audio processing module is electrically connected with the feedback suppression module, the digital power amplifier module and the audio input / output module respectively, the AI audio processing module is used for receiving the microphone module audio signal optimized by the feedback suppression module, intelligently processing the audio through the integrated AI chip, realizing the automatic adjustment and optimization of the sound effect, then outputting through the audio input / output module, and ensuring the quality and stability of the output through the management and control of the digital power amplifier module.

2. The novel all-in-one audio conference intelligent terminal according to claim 1, characterized in that: A one-key locking button is further provided, the one-key locking button is electrically connected with the display screen and the microphone module, and the one-key locking button is used for one-key screen locking control of the microphone module.

3. The novel all-in-one audio conference intelligent terminal according to claim 1, characterized in that: A camera is further included, the AI audio processing module is electrically connected with the camera, and the camera is used for tracking shooting according to the control information obtained by the AI audio processing module.

4. The novel all-in-one audio conference intelligent terminal according to claim 1, characterized in that: The mixing module is further electrically connected with the digital power amplifier module, and a switch is arranged between the digital power amplifier module and the feedback suppression module.

5. The new integrated audio conference intelligent terminal according to claim 1, characterized in that: The microphone module includes a wired microphone and / or a wireless microphone, the wireless microphone is a digital pilot UHF wireless microphone or a 2.4 wireless microphone, and the wired microphone is a wired analog microphone.

6. The new integrated audio conference intelligent terminal according to claim 1, characterized in that: The digital power amplifier module adopts an SMPS+CLASS-D power amplifier module.

7. The new integrated audio conference intelligent terminal according to claim 1, characterized in that: The audio input / output module is provided with a multi-path mic input, an output interface and a multi-path external input, an output interface, the mic input interface is provided with phantom power supply.

8. The new integrated audio conference intelligent terminal according to claim 1, characterized in that: A power control module is further included, the power control module is a power time sequence module, and the power control module is used for controlling the sequential start and shutdown of the power supply of each module.

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