A multi-channel voice system

Abstract

The present invention provides a multi-channel voice system, comprising a voice collection module, a voice analysis module, a power amplifier, and an output module; the voice collection module is electrically connected to the voice analysis module, the voice analysis module is electrically connected to the power amplifier, and the power amplifier is electrically connected to the output module. Sound is collected by the voice collection module and transmitted to the voice analysis module. The voice analysis module analyzes the collected voice information and then transmits it to a client or a cloud server through a three-state driving buffer through the output module.

Description

Technical Field

[0001] The invention relates to the technical field of ground support, and in particular to a multi-channel voice system. Background Art

[0002] Aircraft service wells are mainly used to provide maintenance services for various aircraft in hangars or on the apron. At present, the existing aircraft service wells are mainly inspected and repaired manually. When there is a fault in the aircraft service well, noisy equipment is usually used. As a result, when the staff in the well communicate with the staff outside the well, the staff outside the well may not be able to hear clearly due to the loud noise, resulting in low construction efficiency. Especially for deep wells, the noise caused by factors such as pressure and temperature is even greater, and there is a lack of such a voice analysis system for auxiliary maintenance in the existing technology. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a multi-channel voice system to improve the construction efficiency when inspecting underground wells.

[0004] The object of the present invention is achieved through the following technical solutions: a multi-channel voice system, including a voice acquisition module, a voice analysis module, a power amplifier, and an output module;

[0005] The voice collection module is electrically connected to the voice analysis module, the voice analysis module is electrically connected to the power amplifier, and the power amplifier is electrically connected to the output module.

[0006] Through the above-mentioned technical means, the voice collection module collects sound and transmits it to the voice analysis module, which analyzes the collected voice information. The voice analysis module can cooperate with the voice analysis algorithm to reduce noise, and can adopt the RNN-based voice noise reduction algorithm, and then drive the buffer through the three-state, and finally transmit it to the client or cloud server through the output module, thereby improving the construction efficiency during underground well maintenance.

[0007] Preferably, some of the voice collection modules include microphones;

[0008] The speech analysis module includes a first PCM1864DBTR chip and a second PCM1864DBTR chip, the 4th pin of the microphone is connected to the input pin of the first PCM1864DBTR chip, and the 6th pin of the microphone is connected to the 5th pin of the first PCM1864DBTR chip; the 4th pin of the microphone is connected to the input pin of the second PCM1864DBTR chip, and the 6th pin of the microphone is connected to the 5th pin of the second PCM1864DBTR chip.

[0009] Preferably, the power amplifier includes three groups of three-state driving buffers, and the three groups of three-state driving buffers each include LVC1G125 and LVC1G126;

[0010] The second pin of the LVC1G125 of one group is connected to the 22nd pin of the first PCM1864DBTR chip, and the fourth pin of the LVC1G126 is connected to the 15th pin of the first PCM1864DBTR chip;

[0011] The second pins of the remaining two groups of LVC1G125 are connected to the fourth pins of the LVC1G126 of the group, and the fourth pins of the remaining two groups of LVC1G126 are connected to the sixteenth pin and the seventeenth pin of the first PCM1864DBTR chip respectively;

[0012] The first pins of the three groups of LVC1G126 are respectively connected to the first pins of the LVC1G125 of the same group, the fourth pins of the three groups of LVC1G125 are respectively connected to the second pins of the LVC1G126 of the same group, the first pins of the three groups of LVC1G125 are connected to each other, and the sixth pins of the three groups of LVC1G126 are connected to each other;

[0013] Preferably, the output module comprises a network interface, and the output ends of the three groups of tri-state drive buffers are electrically connected to the network interface respectively.

[0014] Preferably, the number of groups of the voice collection modules is 8, the number of groups of the voice analysis modules is 2, and each group of the voice analysis modules is connected to 4 groups of the voice collection modules.

[0015] Preferably, the output module also includes a USB module, the USB module includes a USB-12X CONTROLLER and a DSP USB Streamer, the second pin of the USB-12X CONTROLLER is connected to the 23rd pin of the PCM1864DBTR, the first pin of the USB-12X CONTROLLER is connected to the 24th pin of the USB-12X CONTROLLER, the 7th pin, the 9th pin and the 11th pin of the USB-12X CONTROLLER are electrically connected to the network interface respectively, and the 18th pin of the DSP USB Streamer is connected to the 18th pin of the USB-12X CONTROLLER.

[0016] Preferably, the 10th pin of the DSP USB Streamer is connected to the 18th pin of the second PCM1864DBTR chip, the 12th pin of the DSP USB Streamer is connected to the 19th pin of the first PCM1864DBTR chip, and the 14th pin of the DSP USB Streamer is connected to the 19th pin of the second PCM1864DBTR chip.

[0017] Preferably, it also includes a 47th resistor, a 20th resistor, a first triode, and a second light emitting diode;

[0018] One end of the 47th resistor is connected to the 5th pin of the first PCM1864DBTR chip, the other end of the 47th resistor is connected to the base of the first transistor, the collector of the first transistor is connected to one end of the 20th resistor, the other end of the 20th resistor is connected to the cathode of the first light-emitting diode, the anode of the first light-emitting diode is connected to the positive electrode of the power supply, and the emitter of the first light-emitting diode is grounded.

[0019] The beneficial effects of the present invention are:

[0020] 1. The present invention provides a multi-channel voice system, comprising a voice acquisition module, a voice analysis module, a power amplifier, and an output module; the voice acquisition module is electrically connected to the voice analysis module, the voice analysis module is electrically connected to the power amplifier, and the power amplifier is electrically connected to the output module. The voice acquisition module collects sound and transmits it to the voice analysis module. The voice analysis module analyzes the collected voice information and then transmits it to the client or cloud server through a three-state drive buffer, and finally transmits it to the client or cloud server through the output module, thereby providing an auxiliary voice analysis system for underground well maintenance and improving construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A circuit diagram of a voice acquisition module of the present invention;

[0022] Figure 2 This is a circuit diagram of the DSP USB Streamer of the present invention;

[0023] Figure 3 This is the circuit diagram of the new PCM1864DBTR chip used in this paper;

[0024] Figure 4 This is a circuit structure diagram of 8 groups of voice collection modules of the present invention;

[0025] Figure 5 The schematic diagram of the three-state drive buffer circuit of the present invention is shown in FIG.

[0026] Figure 6 This is a diagram of the USB-12X CONTROLLER and network interface of the present invention; DETAILED DESCRIPTION

[0027] The technical solution of the present invention is further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following.

[0028] Example 1

[0029] like Figure 1 As shown, a multi-channel voice system includes a voice acquisition module, a voice analysis module, a power amplifier, and an output module;

[0030] The voice collection module is electrically connected to the voice analysis module, the voice analysis module is electrically connected to the power amplifier, and the power amplifier is electrically connected to the output module.

[0031] The voice acquisition module collects sound and transmits it to the voice analysis module. The voice analysis module analyzes the collected voice information and then transmits it to the client or cloud server through the three-state drive buffer and finally through the output module.

[0032] When implementing it, Figure 1 As shown, several voice collection modules include microphones; Figure 3 As shown, the speech analysis module includes a first PCM1864DBTR chip and a second PCM1864DBTR chip, the 4th pin of the microphone is connected to the input pin of the first PCM1864DBTR chip, the 4th pin of the microphone and the input end of the first PCM1864DBTR chip are both provided with capacitors, and the 6th pin of the microphone is connected to the 5th pin of the first PCM1864DBTR chip;

[0033] The 4th pin of the microphone is connected to the input pin of the second PCM1864DBTR chip. The 4th pin of the microphone and the input end of the second PCM1864DBTR chip are both provided with the 6th pin of the condenser microphone connected to the 5th pin of the second PCM1864DBTR chip.

[0034] like Figure 5 As shown, the power amplifier includes three groups of three-state driving buffers, and the three groups of three-state driving buffers all include LVC1G125 and LVC1G126;

[0035] The second pin of one group of LVC1G125 is connected to the 22nd pin of the first PCM1864DBTR chip, and the fourth pin of LVC1G126 is connected to the 15th pin of the first PCM1864DBTR chip;

[0036] The second pins of the remaining two groups of LVC1G125 are connected to the fourth pin of the group of LVC1G126, and the fourth pins of the remaining two groups of LVC1G126 are connected to the 16th pin and the 17th pin of the first PCM1864DBTR chip respectively;

[0037] The first pins of the three groups of LVC1G126 are respectively connected to the first pins of the group of LVC1G125, the fourth pins of the three groups of LVC1G125 are respectively connected to the second pins of the group of LVC1G126, the first pins of the three groups of LVC1G125 are connected to each other, and the sixth pins of the three groups of LVC1G126 are connected to each other;

[0038] The output module comprises a network interface, and the output ends of the three groups of three-state driving buffers are electrically connected to the network interface respectively.

[0039] To solve the problem of multiple output competition, three groups of three drive buffers are set up, each group has an enable terminal. When the enable is invalid, its output terminal is in a high-impedance state. In this way, its output has three states: high, low, and high-impedance. At each moment, at most only one output is a high or low valid level, and the rest of the outputs are all in a high-impedance state, which can avoid logic competition.

[0040] like Figure 4 As shown, there are 8 groups of voice collection modules, 2 groups of voice analysis modules, and each group of voice analysis modules is connected to 4 groups of voice collection modules. Figure 6 and Figure 2 As shown, the output module also includes a USB module, the USB module includes a USB-12X CONTROLLER and a DSP USB Streamer, the 2nd pin of the USB-12X CONTROLLER is connected to the 23rd pin of the PCM1864DBTR, the 1st pin of the USB-12X CONTROLLER is connected to the 24th pin of the USB-12X CONTROLLER, the 7th pin, the 9th pin, and the 11th pin of the USB-12X CONTROLLER are electrically connected to the network interface respectively, and the 18th pin of the DSP USB Streamer is connected to the 18th pin of the USB-12X CONTROLLER.

[0041] The 10th pin of the DSP USB Streamer is connected to the 18th pin of the second PCM1864DBTR chip, the 12th pin of the DSP USB Streamer is connected to the 19th pin of the first PCM1864DBTR chip, the 14th pin of the DSP USB Streamer is connected to the 19th pin of the second PCM1864DBTR chip, and the 47th resistor, the 20th resistor, the first triode, and the second light-emitting diode are also included; one end of the 47th resistor is connected to the 5th pin of the first PCM1864DBTR chip, the other end of the 47th resistor is connected to the base of the first triode, the collector of the first triode is connected to one end of the 20th resistor, the other end of the 20th resistor is connected to the cathode of the first light-emitting diode, the anode of the first light-emitting diode is connected to the anode of the power supply, and the emitter of the first light-emitting diode is grounded.

[0042] When implementing it, Figure 1 As shown, several voice collection modules include microphones; the voice analysis module includes a first PCM1864DBTR chip and a second PCM1864DBTR chip, the 4th pin of the microphone is connected to the input pin of the first PCM1864DBTR chip, the 4th pin of the microphone and the input end of the first PCM1864DBTR chip are both provided with capacitors, and the 6th pin of the microphone is connected to the 5th pin of the first PCM1864DBTR chip;

[0043] The implementation principle of the present invention is as follows: the sound is collected by the voice collection module and transmitted to the voice analysis module, the voice analysis module analyzes the collected voice information, the voice analysis module can cooperate with the voice analysis algorithm to reduce noise, and then pass through the three-state drive buffer, and finally transmit it to the client or cloud server through the output module, thereby improving the construction efficiency during underground well maintenance.

[0044] The above are only preferred embodiments of the present invention. It should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the present invention through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art shall be protected by the claims attached to the present invention if they do not depart from the spirit and scope of the present invention.

Claims

1. A multi-channel voice system, characterized in that: It includes voice acquisition module, voice analysis module, power amplifier and output module; The voice collection module is electrically connected to the voice analysis module, the voice analysis module is electrically connected to the power amplifier, and the power amplifier is electrically connected to the output module; Some of the voice collection modules include microphones; The speech analysis module includes a first PCM1864DBTR chip and a second PCM1864DBTR chip, the fourth pin of the microphone is connected to the input pin of the first PCM1864DBTR chip, and the sixth pin of the microphone is connected to the fifth pin of the first PCM1864DBTR chip; The 4th pin of the microphone is connected to the input pin of the second PCM1864DBTR chip, and the 6th pin of the microphone is connected to the 5th pin of the second PCM1864DBTR chip; The power amplifier includes three groups of three-state driving buffers, and the three groups of three-state driving buffers each include LVC1G125 and LVC1G126; The second pin of LVC1G125 of one group of the three-state drive buffers is connected to the 22nd pin of the first PCM1864DBTR chip, and the fourth pin of LVC1G126 is connected to the 15th pin of the first PCM1864DBTR chip; The second pins of the LVC1G125 of the remaining two groups of the tri-state drive buffers are connected to the fourth pins of the LVC1G126 of the group, and the fourth pins of the remaining two groups of the LVC1G126 are connected to the sixteenth pin and the seventeenth pin of the first PCM1864DBTR chip respectively; The first pins of the LVC1G126 of the three groups of tri-state drive buffers are respectively connected to the first pins of the LVC1G125 of the group, the fourth pins of the three groups of LVC1G125 are respectively connected to the second pins of the LVC1G126 of the group, the first pins of the three groups of LVC1G125 are connected to each other, and the sixth pins of the three groups of LVC1G126 are connected to each other; The output module includes a network interface, and the fourth pins of the LVC1G125 of the three groups of the three-state drive buffers are electrically connected to the network interface respectively; The number of groups of the voice collection modules is 8, the number of groups of the voice analysis modules is 2, and each group of the voice analysis modules is connected to 4 groups of the voice collection modules; The output module further includes a USB module, the USB module includes a USB-12X CONTROLLER and a DSP USB Streamer, the second pin of the USB-12X CONTROLLER is connected to the 23rd pin of the PCM1864DBTR, the first pin of the USB-12X CONTROLLER is connected to the 24th pin of the USB-12X CONTROLLER, the 7th pin, the 9th pin, and the 11th pin of the USB-12X CONTROLLER are electrically connected to the network interface respectively, and the 18th pin of the DSP USB Streamer is connected to the 18th pin of the USB-12X CONTROLLER; The 10th pin of the DSP USB Streamer is connected to the 18th pin of the second PCM1864DBTR chip, the 12th pin of the DSP USB Streamer is connected to the 19th pin of the first PCM1864DBTR chip, and the 14th pin of the DSP USB Streamer is connected to the 19th pin of the second PCM1864DBTR chip; Also includes a 47th resistor, a 20th resistor, a first triode, and a second light emitting diode; One end of the 47th resistor is connected to the 5th pin of the first PCM1864DBTR chip, the other end of the 47th resistor is connected to the base of the first transistor, the collector of the first transistor is connected to one end of the 20th resistor, the other end of the 20th resistor is connected to the cathode of the first light-emitting diode, the anode of the first light-emitting diode is connected to the positive electrode of the power supply, and the emitter of the first light-emitting diode is grounded.

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