CN-122026939-A - Building intercom data transmission method and system based on analog-to-digital conversion

CN122026939ACN 122026939 ACN122026939 ACN 122026939ACN-122026939-A

Abstract

The invention discloses a building intercom data transmission method and system based on analog-to-digital conversion, wherein the method comprises the steps of obtaining intercom analog data sent by a client of a first building; the intercom analog data is converted based on an analog-to-digital conversion algorithm to obtain intercom digital data, the intercom digital data is transmitted based on a transmission line to be sent to a second building, and digital-to-analog conversion is carried out on the intercom digital data based on a digital-to-analog conversion algorithm at a client of the second building to obtain intercom analog data. Therefore, the invention can realize stable transmission of long-distance intercom signals, improve the reliability and definition of intercom communication between buildings, and reduce the risk of signal attenuation and distortion caused by long-distance transmission.

Inventors

ZHU XIANGJUN
WU YINGCHAO
PENG YONGJIAN
LI LIPING
WANG ZHUANGXIONG
MENG KAI

Assignees

广州视声智能股份有限公司

Dates

Publication Date: 20260512
Application Date: 20251230

Claims (10)

1. The building intercom data transmission method based on analog-to-digital conversion is characterized by comprising the following steps of: Acquiring intercom analog data sent by a client of a first building; Converting the intercom analog data based on an analog-to-digital conversion algorithm to obtain intercom digital data; Transmitting the intercom digital data based on a transmission line to be transmitted to a second building; And at the client of the second building, carrying out digital-to-analog conversion on the intercom digital data based on a digital-to-analog conversion algorithm so as to obtain intercom analog data.
2. The analog-to-digital conversion based building intercom data transmission method of claim 1, wherein the intercom analog data comprises at least one of audio data and video data.
3. The analog-to-digital conversion based building intercom data transmission method according to claim 1, wherein the transmission line is a digital two-wire, a digital two-wire switch or an optical fiber transmission line.
4. The method for transmitting building intercom data based on analog-to-digital conversion according to claim 1, wherein the analog-to-digital conversion algorithm converts the intercom analog data to obtain intercom digital data, comprising: acquiring channel parameters and historical transmission data corresponding to the transmission line; determining conversion parameters in advance based on analysis of the channel parameters and historical transmission data; and converting the intercom analog data based on an analog-to-digital conversion algorithm according to the conversion parameters to obtain intercom digital data.
5. The method for transmitting building intercom data based on analog-to-digital conversion according to claim 4, wherein the channel parameter comprises at least one of signal-to-noise ratio, bit error rate, attenuation and delay jitter, and the conversion parameter comprises at least one of conversion sampling rate, conversion quantization bit number, conversion coding mode and conversion time point.
6. The analog-to-digital conversion based building intercom data transmission method of claim 4, wherein said predetermined conversion parameters based on analysis of said channel parameters and historical transmission data comprises: Sequencing all the historical transmission data from the early to the late according to the corresponding historical time points to obtain a data sequence; determining historical channel parameters corresponding to each historical intercom data as channel parameter labels corresponding to the data sequences; Inputting the data sequence and the corresponding channel parameter label into a trained LSTM neural network to obtain output predicted data, wherein the predicted data comprises predicted transmission data, predicted channel parameters and predicted conversion parameters; And according to the channel parameters, the intercom analog data and the prediction data, determining conversion parameters of the intercom analog data in advance.
7. The method for transmitting building intercom data based on analog-to-digital conversion according to claim 6, wherein said determining conversion parameters of intercom analog data in advance according to said channel parameters, intercom analog data and said prediction data comprises: Calculating the data similarity of the intercom analog data and the prediction transmission data; Calculating the predicted channel parameters and the parameter similarity of the channel parameters; Calculating the product of the data similarity and the parameter similarity to obtain a similarity parameter; according to the corresponding relation between the preset similarity and the adjustment parameters, determining the adjustment parameters corresponding to the similarity parameters; And adjusting the predicted conversion parameters according to the adjustment parameters to obtain the conversion parameters of the intercom analog data.
8. The method for transmitting building intercom data based on analog-to-digital conversion as set forth in claim 4, wherein said digital-to-analog conversion algorithm based on digital-to-analog conversion is used for digital-to-analog conversion of said intercom digital data to obtain said intercom analog data, comprising: inputting the intercom digital data and the conversion parameters into a trained digital-to-analog conversion parameter prediction model to obtain output digital-to-analog conversion parameters, wherein the digital-to-analog conversion parameter prediction model is obtained through training a training data set comprising a plurality of training intercom digital data and corresponding analog-to-digital conversion parameter labels and digital-to-analog conversion parameter labels; And D, according to the D/A conversion parameters, D/A conversion is carried out on the intercom digital data based on a D/A conversion algorithm so as to obtain intercom analog data.
9. A building intercom data transmission system based on analog-to-digital conversion, said system comprising: the acquisition module is used for acquiring intercom analog data sent by the client of the first building; The first conversion module is used for converting the intercom analog data based on an analog-to-digital conversion algorithm so as to obtain intercom digital data; The transmission module is used for transmitting the intercom digital data based on a transmission line so as to be sent to a second building; The second conversion module is used for carrying out digital-to-analog conversion on the intercom digital data based on a digital-to-analog conversion algorithm at the client side of the second building so as to obtain intercom analog data.
10. A building intercom data transmission system based on analog-to-digital conversion, said system comprising: a memory storing executable program code; a processor coupled to the memory; The processor invokes the executable program code stored in the memory to perform the analog-to-digital conversion based building intercom data transfer method of any of claims 1-8.

Description

Building intercom data transmission method and system based on analog-to-digital conversion Technical Field The invention relates to the technical field of data processing, in particular to a building intercom data transmission method and system based on analog-to-digital conversion. Background Along with the rapid expansion of building intercom systems in multi-building group applications, users and property management parties pay more and more attention to guaranteeing the reliability and definition of intercom communication through long-distance signal transmission, wherein how to effectively overcome signal attenuation and distortion in long-distance transmission so as to realize stable intercom becomes a key technical problem. In the prior art, a two-wire intercom system is very popular, and analog audio and video are transmitted, so that interference or line loss is easy to occur, and the audio and video transmission distance is not longer than 300m at maximum. The existing solution is lack of analog-to-digital conversion and digital-to-digital reduction mechanism after transmission of analog signals, so that signal integrity is difficult to maintain in long-distance lines, noise interference and attenuation cannot be resisted by common pure analog transmission or low-efficiency relay strategies, so that building intercom communication reliability is insufficient, voice confusion or interruption is easily caused by signal distortion, and definition and practical use effects of an intercom system are limited. It can be seen that the prior art has defects and needs to be solved. Disclosure of Invention The invention aims to solve the technical problem of providing a building intercom data transmission method and system based on analog-to-digital conversion, which can realize stable transmission of long-distance intercom signals, improve reliability and definition of building intercom communication and reduce signal attenuation and distortion risks caused by long-distance transmission. In order to solve the technical problems, the first aspect of the invention discloses a building intercom data transmission method based on analog-to-digital conversion, which comprises the following steps: Acquiring intercom analog data sent by a client of a first building; Converting the intercom analog data based on an analog-to-digital conversion algorithm to obtain intercom digital data; Transmitting the intercom digital data based on a transmission line to be transmitted to a second building; And at the client of the second building, carrying out digital-to-analog conversion on the intercom digital data based on a digital-to-analog conversion algorithm so as to obtain intercom analog data. As an optional implementation manner, in the first aspect of the present invention, the intercom analog data includes at least one of audio data and video data. As an alternative embodiment, in the first aspect of the present invention, the transmission line is a digital two-wire, a digital two-wire switch, or an optical fiber transmission line. As an optional implementation manner, in the first aspect of the present invention, the converting the intercom analog data based on the analog-to-digital conversion algorithm to obtain intercom digital data includes: acquiring channel parameters and historical transmission data corresponding to the transmission line; determining conversion parameters in advance based on analysis of the channel parameters and historical transmission data; and converting the intercom analog data based on an analog-to-digital conversion algorithm according to the conversion parameters to obtain intercom digital data. In a first aspect of the present invention, the channel parameter includes at least one of a signal-to-noise ratio, an error rate, an attenuation, and a delay jitter, and the conversion parameter includes at least one of a conversion sampling rate, a conversion quantization bit number, a conversion coding mode, and a conversion time point. As an optional implementation manner, in the first aspect of the present invention, the determining, based on the analysis of the channel parameter and the historical transmission data, a conversion parameter in advance includes: Sequencing all the historical transmission data from the early to the late according to the corresponding historical time points to obtain a data sequence; determining historical channel parameters corresponding to each historical intercom data as channel parameter labels corresponding to the data sequences; Inputting the data sequence and the corresponding channel parameter label into a trained LSTM neural network to obtain output predicted data, wherein the predicted data comprises predicted transmission data, predicted channel parameters and predicted conversion parameters; And according to the channel parameters, the intercom analog data and the prediction data, determining conversion parameters of the intercom analog data in advan