CN216600095U - Indoor voice call assisting system - Google Patents
Indoor voice call assisting system Download PDFInfo
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- CN216600095U CN216600095U CN202220788853.6U CN202220788853U CN216600095U CN 216600095 U CN216600095 U CN 216600095U CN 202220788853 U CN202220788853 U CN 202220788853U CN 216600095 U CN216600095 U CN 216600095U
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Abstract
The utility model provides an indoor pronunciation help calling system, this system includes the speech input module, front end processing module, rear end processing module, data transmission module and speech output module, the speech input module is used for gathering indoor distress signal through the microphone, front end processing module is used for converting the signal of telecommunication into digital signal, and transmit digital signal to rear end processing module, rear end processing module is used for receiving and stores digital signal, and send digital signal to data transmission module, data transmission module is used for sending the digital signal who receives to the high in the clouds, and receive the feedback information in high in the clouds, speech output module is used for the suggestion distress signal to have been received and processed, the speech recognition function that front end processing module has at least and awaken the speech function up. The system can effectively identify the distress signal and trigger the sending of distress information to complete the distress request, and has the advantages of simple module, small volume, low device cost, easy indoor installation and convenient application in various distress scenes.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to an indoor pronunciation help system.
Background
In the case of the old who is living alone, a medical institution or other indoor environments, the old who is inconvenient to move or who has lost the ability to move accidentally needs to call the help with voice to solve the difficult situation, and especially in the case that the old who is suddenly fallen down, has cerebral hemorrhage or is originally inconvenient to move suddenly is in danger, and no other people are in the room and cannot touch the communication tool immediately, the help-calling tool with voice becomes more important. Under emergency, the voice call has the characteristics of large coverage range, high recognition accuracy and convenience in installation, which are not possessed by other emergency call equipment.
The existing help calling equipment can be realized through a communication tool or intelligent terminal equipment, such as a talkback help calling device, a mobile phone, a computer or an intelligent sound box, however, the equipment is often triggered by a specific calling mode, the identification distance is limited, the help calling function is difficult to be really played at an emergency gateway, and the cost of some professional help calling equipment is high.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides an indoor voice help calling system to the current equipment of calling for help that solves triggers and requires high and with high costs problem.
In a first aspect of embodiments of the present invention, an indoor voice call assisting system is provided, which at least includes a voice input module, a front-end processing module, a rear-end processing module, a data transmission module and a voice output module, wherein the voice input module is connected to the front-end processing module, the front-end processing module is connected to the rear-end processing module, and the rear-end processing module is respectively connected to the data transmission module and the voice output module;
the voice input module is used for collecting indoor distress signals through the microphone, the front-end processing module is used for converting electric signals into digital signals and transmitting the digital signals to the rear-end processing module, the rear-end processing module is used for receiving and storing the digital signals and transmitting the digital signals to the data transmission module, the data transmission module is used for transmitting the received digital signals to the cloud end and receiving feedback information of the cloud end, and the voice output module is used for prompting that the distress signals are received and processed.
The front-end processing module at least has a voice recognition function and a voice awakening function.
In one embodiment, the indoor voice call-assisting system further comprises a power module, and the power module is used for providing electric energy for the voice input module, the front-end processing module, the rear-end processing module, the data transmission module and the voice output module.
In one embodiment, the voice input module adopts a microphone array technology to preprocess the voice signal and convert the voice signal into an electric signal; the pre-processing includes at least silence removal VAD, frame windowing, noise reduction and pre-emphasis.
In one embodiment, the front-end processing module further has a voice signal processing function and a wake-up-free local voice control function.
In one embodiment, the front-end processing module includes a codec, an analog-to-digital converter, a network processor, a digital signal processor, and an audio bus.
In one embodiment, the back-end processing module includes an asynchronous transceiver transmitter, a general purpose input/output interface, and an I2C bus.
In one embodiment, the data transmission module at least comprises a serial-to-WiFi module and a communication module, and the communication module comprises a cellular module and a non-cellular module.
In one embodiment, the voice output module includes at least a speaker.
The embodiment of the utility model provides an in, judge the content of calling for help through front end speech equipment, carry out wireless transmission with the information of calling for help of discernment, realize calling for help and call for help, not only trigger the process simple, can carry out speech recognition, implementation cost is lower moreover, and convenient wide application has characteristics such as small light, the module is simple, the good reliability, is fit for scene applications such as asylum for the aged, medical structure, solitary.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an indoor voice call-assisting system according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of an indoor voice call system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but 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 following principles and features of the present invention described below with reference to the accompanying drawings, and the examples mentioned only explain the present invention, but are not used to limit the scope of the present invention.
The terms "comprises" and "comprising," when used in this specification and claims, and in the accompanying drawings and figures, are intended to cover non-exclusive inclusions, such that a process, method or system, or apparatus that comprises a list of steps or elements is not limited to the listed steps or elements. In addition, "first" and "second" are used to distinguish different objects, and are not used to describe a specific order.
Referring to fig. 1, a schematic structural diagram of an indoor voice call-assisting system according to an embodiment of the present invention at least includes a voice input module 110, a front-end processing module 120, a back-end processing module 130, a data transmission module 140, and a voice output module 150, where the voice input module 110 is connected to the front-end processing module 120, the front-end processing module 120 is connected to the back-end processing module 130, and the back-end processing module 130 is connected to the data transmission module 140 and the voice output module 150, respectively;
the voice input module 110 is used for collecting indoor distress signals through a microphone, the front-end processing module 120 is used for converting electric signals into digital signals and transmitting the digital signals to the rear-end processing module, the rear-end processing module 130 is used for receiving and storing the digital signals and transmitting the digital signals to the data transmission module, the data transmission module 140 is used for transmitting the received digital signals to a cloud end and receiving feedback information of the cloud end, and the voice output module 150 is used for prompting that the distress signals are received and processed.
Wherein, the front-end processing module 120 at least has a voice recognition function and a voice wake-up function. The voice recognition function is mainly realized based on a local voice recognition technology and can directly recognize the distress voice, and the voice awakening function is mainly realized based on the voice awakening technology.
In one embodiment, the indoor voice call-assisting system further comprises a power module, and the power module is used for providing electric energy for the voice input module, the front-end processing module, the rear-end processing module, the data transmission module and the voice output module.
As shown in fig. 2, the voice input module 110 pre-processes a voice signal by using a microphone array technology, and converts the voice signal into an electrical signal; the preprocessing at least comprises silence removal VAD, framing and windowing, noise reduction and pre-emphasis.
The voice input module can receive and collect voice signals, and generally a microphone with a good sound receiving effect is used. The collected sound signals are converted into electric signals through the voice input module.
The microphone may be an electret condenser microphone, and the sound signal may be preprocessed by using the microphone array technology, that is, the sound signal includes silence removal VAD, detection and windowing, noise reduction (active noise reduction ANC), pre-emphasis, and the like.
Optionally, the front-end processing module 120 further has a voice signal processing function and a wake-up-free local voice control function, and may further have a language learning capability.
The voice signal processing function can be realized based on a voice signal processing technology, and the wake-up-free local voice control function can be realized based on a wake-up-free local voice control technology. The language learning ability can correspondingly input the common voice content of the user aiming at each preset voice content, and after learning is completed, the specific voice can be identified and an alarm corresponding to the content is sent out.
It should be understood that the functional implementation on the front-end processing module may be based on a specific chip for data processing, speech recognition, wake-up, control, etc.
The front-end processing module 120 includes a codec, an analog-to-digital converter, a network processor, a digital signal processor, and an audio bus.
The codec is a device with coding and decoding functions in digital communication; an analog-to-digital converter is a device for converting a continuous signal in analog form into a discrete signal in digital form, generally corresponding to a digital-to-analog converter; a Network Processor (NPU) is an embedded neural network processor that processes data using a "data-driven parallel computing" architecture; the audio bus (i.e., I2S bus) is a bus standard established for the transfer of audio data between digital audio devices.
As shown in fig. 2, the back-end processing module 130 includes an asynchronous transceiver, a general input/output interface, and an I2C bus.
The back-end processing module can be used for receiving data, storing the data and sending the data to the transmission module for wireless transmission, and comprises an asynchronous receiver transmitter (UART) and a general purpose input/output (GPIO).
The asynchronous transceiver transmitter is used for transmitting and converting data between serial communication and parallel communication, is used as a chip for parallel input and serial output, and is generally integrated at the connection position of other communication interfaces; the I/O port of the general input/output port is mainly used as a medium for the communication between the internal singlechip and the external equipment; the I2C bus is used to connect the microcontroller and its peripherals.
As shown in fig. 2, the data transmission module 140 at least includes a serial-to-WiFi module and a communication module, where the communication module includes a cellular module and a non-cellular module.
The serial port-to-WiFi module is used for receiving data and connecting an indoor wireless network, and the communication module is used for uploading the data to the cloud end and completing a communication task. The cellular module comprises 2G, 3G, 4G and 5G, and the non-cellular module comprises LoRa, WIFI, Bluetooth and the like.
As shown in fig. 2, the voice output module 150 at least includes a speaker. The loudspeaker is used for converting the received electric signal into a sound signal, playing the sound signal and informing the user that the distress signal is received and processed.
The working principle is as follows: 1. the microphone receives an effective distress call assisting sound signal, and the sound signal is preprocessed through a microphone array technology and converted into an electric signal through a compiler; 2. the front-end processing module part converts the analog electric signal of the voice into a digital signal which can be identified by a machine through a plurality of technologies, and performs signal optimization processing, namely, the input command words are input into the digital signal in parallel and then are converted into a serial output signal; 3. the UART in the back-end processing module receives the output signal converted by the front-end processing module and reads/writes the output signal into the memory through the GPIO; 4. the system is connected with a microcontroller, a memory and other peripheral equipment thereof through an I2C bus, and comprises a serial port-to-WiFi module which is connected in a modified mode; 5. the GPIO output port transmits data into the serial port-to-WiFi module through a serial port protocol, transmits feedback information and broadcasts the feedback information through a loudspeaker; 6. the serial port-to-WiFi module transmits data to the cloud based on a communication protocol; 7. the cloud processor finally processes the communication task through the Internet, contacts the communication object needing to be contacted, and completes the transmission of the distress call information.
In the embodiment, the help-calling request is triggered based on the voice recognition of the front-end processing module, so that the triggering process is simple, the implementation cost is low, and the indoor installation is facilitated.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An indoor voice call-assisting system is characterized by at least comprising a voice input module, a front-end processing module, a rear-end processing module, a data transmission module and a voice output module, wherein the voice input module is connected with the front-end processing module, the front-end processing module is connected with the rear-end processing module, and the rear-end processing module is respectively connected with the data transmission module and the voice output module;
the system comprises a voice input module, a front-end processing module, a data transmission module, a cloud end and a voice output module, wherein the voice input module is used for collecting an indoor distress signal through a microphone, the front-end processing module is used for converting an electric signal into a digital signal and transmitting the digital signal to the back-end processing module, the back-end processing module is used for receiving and storing the digital signal and transmitting the digital signal to the data transmission module, the data transmission module is used for transmitting the received digital signal to the cloud end and receiving feedback information of the cloud end, and the voice output module is used for prompting that the distress signal is received and processed;
the front-end processing module at least has a voice recognition function and a voice awakening function.
2. The system of claim 1, wherein the indoor voice call-assist system further comprises a power module for providing power to the voice input module, the front-end processing module, the back-end processing module, the data transmission module, and the voice output module.
3. The system of claim 1, wherein the voice input module employs a microphone array technology to preprocess the voice signal and convert the voice signal into an electrical signal;
the pre-processing includes at least silence removal VAD, frame windowing, noise reduction and pre-emphasis.
4. The system of claim 1, wherein the front-end processing module further comprises voice signal processing and wake-up-less local voice control.
5. The system of claim 1, wherein the front-end processing module comprises a codec, an analog-to-digital converter, a network processor, a digital signal processor, and an audio bus.
6. The system of claim 1, wherein the back-end processing module comprises an asynchronous transceiver transmitter, a general purpose input/output interface, and an I2C bus.
7. The system of claim 1, wherein the data transmission module comprises at least a serial-to-WiFi module and a communication module, and the communication module comprises a cellular module and a non-cellular module.
8. The system of claim 1, wherein the voice output module comprises at least a speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220788853.6U CN216600095U (en) | 2022-04-07 | 2022-04-07 | Indoor voice call assisting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220788853.6U CN216600095U (en) | 2022-04-07 | 2022-04-07 | Indoor voice call assisting system |
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| CN216600095U true CN216600095U (en) | 2022-05-24 |
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| CN202220788853.6U Active CN216600095U (en) | 2022-04-07 | 2022-04-07 | Indoor voice call assisting system |
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