CN113114295A - Interphone communication method and interphone - Google Patents
Interphone communication method and interphone Download PDFInfo
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Abstract
The application provides an interphone communication method and an interphone, which are applied to the field of interphones, wherein in a standard talkback mode, communication between an android module and an interphone module can be achieved through a digital serial interface, and after a voice signal is preferentially transmitted to the android module, the voice signal is transmitted to the interphone module. Therefore, on the basis of simplifying the design of interphone hardware, the android module and the interphone module can work simultaneously, so that the android module can flexibly process voice signals and store the voice signals in the interphone process.
Description
Technical Field
The application relates to the field of interphones, in particular to an interphone communication method and an interphone.
Background
The existing interphone mainly comprises an analog interphone and a digital interphone, and the digital interphone is widely applied due to the advantages of low power consumption, large bandwidth, high reliability, modular design and the like. The Digital interphone comprises a Digital Mobile Radio (DMR) interphone designed according to a DMR standard, and an android module can be introduced into the DMR interphone along with popularization of an android intelligent platform. However, in the conventional DMR interphone with the android module, the android module and the intercom module cannot work simultaneously.
Disclosure of Invention
An object of the embodiment of the application is to provide an interphone communication method and an interphone, so as to solve the technical problem that an android module and an interphone module cannot work simultaneously in the existing DMR interphone with the android module.
In order to achieve the above purpose, the technical solutions provided in the embodiments of the present application are as follows:
in a first aspect, an embodiment of the present application provides a method for implementing intercom communication, which is applied to an intercom and includes: when the channel matching of the interphone and the other interphone is successful and the interphone is in a standard talkback mode, acquiring a voice signal through a voice acquisition device in the interphone, and processing the voice signal through an android module in the interphone to obtain a voice processing signal; the voice processing signal is transmitted to an intercom module of the interphone through a digital serial interface in the interphone; the android module and the talkback module are communicated through the digital serial interface; converting the voice processing signal into a transmitting signal through the talkback module; and transmitting the transmitting signal through an antenna in the interphone. In the above scheme, in the standard talkback mode, the communication between the android module and the talkback module can be realized through the digital serial interface, and the voice signal is transmitted to the android module preferentially and then transmitted to the talkback module. Therefore, on the basis of simplifying the design of interphone hardware, the android module and the interphone module can work simultaneously, so that the android module can flexibly process voice signals and store the voice signals in the interphone process.
In an optional embodiment of the present application, the processing the voice signal through an android module in the intercom to obtain a voice processing signal includes: carrying out digital coding on the voice signal through a power management and audio coding and decoding chip in the android module to obtain a voice digital signal; and acquiring an audio parameter corresponding to the standard talkback mode through a baseband chip in the android module, and processing the voice digital signal according to the audio parameter to obtain the voice processing signal. In the above scheme, the android module can adopt different audio parameters to process the voice signals based on different talkback modes so as to adapt to different talkback modes.
In an optional embodiment of the present application, the converting, by the intercom module, the voice processing signal into a transmission signal includes: receiving the voice digital signal through a level conversion chip and a baseband chip in the talkback module, and transmitting the voice digital signal to a radio frequency chip in the talkback module; and modulating and amplifying the processed voice digital signal through a radio frequency chip in the talkback module to obtain the transmitting signal. In the above scheme, the level conversion chip in the intercom module can convert an Input/Output (IO) level of the android module into an IO level corresponding to the intercom module, so as to realize normal communication between the android module and the intercom module.
In an optional embodiment of the present application, the intercom communication method further includes: when the interphone is successfully matched with the other interphone and is in a public network talkback mode, acquiring a voice signal through the voice acquisition device, and processing the voice signal through the android module; modulating and amplifying the processed voice signal through a radio frequency chip in the android module; and transmitting the modulated and amplified voice signal through the antenna. In the above scheme, under the public network talkback mode, the voice signal can be directly transmitted through the radio frequency chip and the antenna in the android module, so as to realize talkback under different modes.
In a second aspect, an embodiment of the present application provides an intercom communication method, applied to an intercom, including: when the channel matching of the interphone and the other interphone is successful and the interphone is in a standard talkback mode, receiving a receiving signal corresponding to a transmitting signal transmitted by the other interphone through an antenna in the interphone, and converting the receiving signal into a voice digital signal through a talkback module in the interphone; transmitting the voice digital signal to an android module in the interphone through a digital serial interface in the interphone; the android module and the talkback module are communicated through the digital serial interface; processing the voice digital signal through the android module to obtain an output signal; and outputting the output signal through a voice output device in the interphone. In the above scheme, under the standard talkback mode, can realize the communication between android module and the talkback module through digital serial interface, the module of talkback can be preferentially export the speech signal after transmitting to android module after receiving speech signal. Therefore, on the basis of simplifying the design of interphone hardware, the android module and the interphone module can work simultaneously, so that the android module can flexibly process voice signals and store the voice signals in the interphone process.
In an optional embodiment of the present application, the converting the received signal into a voice digital signal by an intercom module in the intercom includes: demodulating the received signal through a radio frequency chip in the talkback module, and transmitting the demodulated received signal to a baseband chip in the talkback module; and converting the demodulated signal through a level conversion chip in the talkback module to obtain the voice digital signal. In the above scheme, the level conversion chip in the intercom module can convert the IO level of the intercom module into the IO level corresponding to the android module, so as to realize normal communication between the android module and the intercom module.
In an optional embodiment of the present application, the processing the voice digital signal through the android module to obtain an output signal includes: receiving the voice digital signal through a baseband chip in the android module, and processing the voice digital signal to obtain a voice processing signal; performing digital decoding on the voice processing signal through a power management and audio coding and decoding chip in the android module to obtain a voice analog signal; and amplifying the voice analog signal through an audio power amplification chip in the android module to obtain the output signal. In the above scheme, after receiving the voice signal, the android module can process the voice signal and then output the processed voice signal.
In a third aspect, an embodiment of the present application provides an intercom device, configured to perform the intercom communication method according to the first aspect or the intercom communication method according to the second aspect; the intercom includes: an android module; the intercom module is communicated with the android module through a digital serial interface; the voice acquisition device is connected with the android module and used for acquiring voice signals; the voice output device is connected with the android module and used for outputting voice signals; and the antenna is connected with the android module and the talkback module and used for transmitting signals or receiving signals. In the above scheme, the communication between the android module and the talkback module can be realized through the digital serial interface, and on the basis of simplifying the design of hardware of the talkback, the android module and the talkback module can work simultaneously, so that the android module can flexibly perform corresponding processing on voice signals, and the voice signals can be stored in the talkback process.
In an optional embodiment of the present application, the android module comprises: a baseband chip; the power management and audio coding and decoding chip is connected with the baseband chip; the radio frequency chip is connected with the baseband chip; the audio power amplification chip is connected with the baseband chip; and the storage chip is connected with the power management and audio coding and decoding chip.
In an alternative embodiment of the present application, the intercom module includes: a baseband chip; the radio frequency chip is connected with the baseband chip; and the level conversion chip is connected with the baseband chip.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a block diagram of a DMR interphone in the prior art;
fig. 2 is a block diagram of an intercom according to an embodiment of the present application;
fig. 3 is a block diagram of an android module provided in an embodiment of the present application;
fig. 4 is a block diagram of an intercom module according to an embodiment of the present application;
fig. 5 is a hardware block diagram of an intercom provided in the embodiment of the present application;
fig. 6 is a flowchart of a first intercom communication method according to an embodiment of the present application;
fig. 7 is a flowchart of a second intercom communication method according to an embodiment of the present application.
Icon: 200-interphone; 210-an android module; 211-a first baseband chip; 212-power management and audio codec chip; 213-a first radio frequency chip; 214-an audio power amplification chip; 215-memory chip; 220-talkback module; 221-a second baseband chip; 222-a second radio frequency chip; 223-level conversion chip; 230-a voice acquisition device; 240-voice output means; 250-antenna.
Detailed Description
In the DMR interphone of the existing android module, only one microphone and one loudspeaker are arranged inside the DMR interphone, but two sets of baseband systems of the intercom module and the android module exist, and in the intercom process, the two sets of systems are required to be subjected to voice input and voice external discharge, so that an audio analog switch is required to be introduced to switch a microphone analog input channel and a loudspeaker analog external discharge channel.
Referring to fig. 1, fig. 1 is a block diagram of a DMR interphone in the prior art. This DMR intercom includes two audio frequency analog switch, microphone, the tall and erect module of ann, talkbacks module, loudspeaker and antenna, and the analog voice signal that the microphone was gathered passes through the control of first audio frequency analog switch, transmits the tall and erect module of ann or the module of talkbacking, passes through the loudspeaker output of the control of second audio frequency analog switch again.
Therefore, for the DMR interphone described above: firstly, after the audio analog switch is introduced, the audio signals are changed into three groups (one group is input and two groups are output), so that the design difficulty of Printed Circuit Board (PCB) wiring is greatly increased, and the hardware structure of the whole DMR interphone is relatively complex; secondly, when the audio analog switch transmits a voice signal, the problems of isolation between channels and white noise interference exist, and in-board noise is easily introduced into an audio line, so that the problems of talkback noise, system sound source crosstalk and the like easily occur in the whole DMR interphone; finally, on the same time node, the android module and the talkback module can not work simultaneously, so that the function of talkback voice information can not be kept during talkback, and different audio parameters can not be adapted according to different talkback modes.
Based on the analysis, the embodiment of the application provides an interphone, compare with the DMR interphone in fig. 1, the hardware structure of the interphone is simpler, the situation that the noise and other problems occur in the talkback process can be reduced, and the android module and the talkback module can work simultaneously.
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
Referring to fig. 2, fig. 2 is a block diagram of an intercom system according to an embodiment of the present disclosure, the intercom system 200 may include an android module 210, an intercom module 220, a voice collecting device 230, a voice output device 240, and an antenna 250. Wherein, talkback module 220 and the tall and erect module 210 of ann communicate through digital serial interface, and pronunciation collection system 230 is connected with tall and erect module 210 of ann, and pronunciation output device 240 is connected with tall and erect module 210 of ann, and antenna 250 is connected with tall and erect module 210 of ann and talkback module 220.
Specifically, first, the android module 210 may be transplanted with various talkback applications, and may also support a 4G/5G network when needed. Referring to fig. 3, fig. 3 is a block diagram of an android module according to an embodiment of the present disclosure, where the android module 210 may include a first baseband chip 211, a power management and audio codec chip 212, a first radio frequency chip 213, an audio power amplification chip 214, and a memory chip 215. The power management and audio codec chip 212 is connected to the first baseband chip 211, the first rf chip 213 is connected to the first baseband chip 211, the audio power amplifier chip 214 is connected to the first baseband chip 211, and the memory chip 215 is connected to the power management and audio codec chip 212.
The first baseband chip 211 is used for performing corresponding processing on the voice signal, such as: the voice signals are processed by recording, storing, encrypting and the like, or the voice signals are processed according to corresponding audio parameters and the like.
The power management and audio codec chip 212 is used for supplying power to each sub-module of the android module 210 and performing codec processing (e.g., Pulse Code Modulation (PCM) coding) on the voice signal.
The first rf chip 213 is used to implement rf communication, and it can be understood that the rf chip in the android module 210 may not exist in some scenarios.
The audio power amplifier 214 is configured to amplify the power of the voice signal and drive the voice output device 240 to output the voice signal.
And the memory chip 215 is used for storing data in the talkback process.
Secondly, the intercom module 220 is used for realizing an intercom function. Referring to fig. 4 and fig. 4 are block diagrams of a structure of an intercom module according to an embodiment of the present disclosure, the intercom module 220 may include a second baseband chip 221, a second rf chip 222 and a level shift chip 223, wherein the second rf chip 222 is connected to the first baseband chip 211, and the level shift chip 223 is connected to the second baseband chip 221.
The second baseband chip 221 is used for performing corresponding processing on the voice signal, for example: and performing encoding and decoding processing on the voice.
The second rf chip 222 is used for video communication.
The level conversion chip 223 is used for converting the IO level of the intercom module 220 into the IO level corresponding to the android module 210, so as to realize normal communication between the android module 210 and the intercom module 220.
Furthermore, the voice collecting device 230 is used for acquiring voice signals, such as: the voice acquisition signal may be a microphone or the like.
The voice output device 240 is used for outputting voice signals, such as: the voice output device 240 may include a speaker or the like.
The antenna 250 is used to transmit signals or receive signals. As an embodiment, the antenna 250 may be only disposed at the second rf chip 222 in the intercom module 220, and as another embodiment, the antenna 250 may be disposed at the first rf chip 213 in the android module 210 and the second rf chip 222 in the intercom module 220, which is not specifically limited in this embodiment, and those skilled in the art may make appropriate adjustments according to actual situations.
Finally, in addition to the android module 210, the intercom module 220, the voice collecting device 230, the voice output device 240 and the antenna 250, the intercom 200 provided in the embodiment of the present application may further include other components, for example: the display device includes a display screen, a touch screen, a power module, and the like, which are not specifically limited in this embodiment, and those skilled in the art may make appropriate adjustments according to actual situations.
As an implementation manner, please refer to fig. 5, and fig. 5 is a hardware block diagram of an intercom provided in an embodiment of the present application. The first baseband chip U1 may adopt MT6761, which is a general 4-core processor of MTK, supports an android intelligent operating System, supports a 4G Time Division duplex/Frequency Division duplex (TDD \ FDD) full network communication network, supports wireless communication technologies WIFI, bluetooth, Global Positioning System (GPS), and supports 1080P video encoding and decoding. The Power Management and audio codec chip U2 may be MT6357, which is a Power Management Unit (PMU) of MTK that supplies Power to each sub-module of the android module 210, and has a built-in audio codec chip that supports standard microphone voice input, standard 3.5 headphones, and Line Out speaker audio output. The first rf chip U3 may adopt MT6177, which is a wireless communication chip for all networks and supports communication systems such as Global System for Mobile Communications (GSM), Wideband Code Division Multiple Access (W-CDMA), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA), TDD, FDD, and the like. AW87329 can be adopted as the audio power amplification chip U5, the chip is a general K-type audio power amplification chip and can drive a loudspeaker special for the interphone 200 with more than 2W, EMMC + LPDDR3 can be adopted as the memory chip U4, the chip is a general memory and supports 32GB eMMC (ROM) and 3GB LPDDR3(RAM) at most.
The second baseband chip U11 may adopt a5, which is a new generation DMR baseband chip, and supports a wide-band and narrow-band DMR intercom function and a trunking intercom function, and the chip mainly performs PCM encoding and decoding on a voice signal. The second rf chip U21 may employ AM6140, which includes a 4W DMR rf transmit power amplification front end and a DMR receive rf path, and is mainly used to modulate and amplify DMR rf transmit signals, receive and demodulate DMR signals. The SGM4568 may be adopted as the level conversion chip U12, which is used to convert the IO level (e.g., 1.8V) of the android module 210 into the IO level (e.g., 3.3V) of the DMR module, so as to realize normal communication between the two modules.
The power module can include a lithium ion battery, a charging chip, a fuel gauge chip, a first buck dc converter, a second buck dc converter, and a high power electronic switch.
The lithium ion battery E5 can be 8.4V and 1000mAh, and is formed by connecting two standard 5000mAh lithium ion batteries in series, so as to provide a total power supply for the whole machine. The battery voltage is reduced by 4.2V and then supplies power to the android module 210; the voltage is reduced by 3.6V and then the power is supplied to the baseband chip of the talkback module 220, and after being controlled by an electronic switch, the voltage of 8.4V is supplied to the second radio frequency chip U11.
The charging chip U16 can adopt CN3726 of 8.4V, and the interphone 200 can be matched with a charging adapter of 9V/2A, and the chip supplies power to the 8.4V lithium ion battery. The chip is provided with Negative Temperature Coefficient (NTC) Temperature protection, battery Identity (ID) detection and overcharge protection functions.
The electricity meter chip U17 may be CW2017BAAD, which can be introduced because the android module 210 cannot recognize the 8.4V high voltage battery voltage, and it can read the battery voltage through an Analog to Digital Converter (ADC) and convert it into battery charge percentage. The android module 210 can directly read the power information of the chip from the electricity meter chip through the I2C interface.
First step-down DC converter U13 can adopt 4.2V's TPS 5632201, and this chip mainly drops 8.4V's battery voltage to 4.2V, supplies power for tall and erect module 210 of ann, and its work efficiency reaches 95%, and maximum output reaches 18W, can guarantee tall and erect module 210 steady operation under the maximum current condition.
The second step-down dc converter U14 may adopt 3.6V ETA1466S2G, which mainly reduces the battery voltage of 8.4V to 3.6V, and provides the operating voltage of the baseband chip to the intercom module 220, with the operating efficiency as high as 92% and the maximum output power as high as 12W, so as to ensure the intercom module 220 to operate stably under the maximum current condition.
The high-power electronic switch U15 may be PMOS + NPN, and since the standby current of about 10mA exists in the second rf chip U11 when standby, the electronic switch is added to achieve low power consumption. When the intercom module 220 is in standby, the 8.4V large power supply of the second radio frequency chip U11 is turned off. In addition, the PMOS tube of the power on the heavy current path can ensure that the overcurrent reaches more than 3A, and the heat loss is very small.
The display screen E1 may be a screen with 480 × 800 resolution.
In the above scheme, the communication between the android module 210 and the intercom module 220 can be realized through the digital serial interface, and on the basis of simplifying the hardware design of the intercom 200, the android module 210 and the intercom module 220 can work simultaneously, so that the android module 210 can flexibly perform corresponding processing on voice signals, and also can store voice signals in the intercom process.
Based on the intercom 200 described in the above embodiment, the present embodiment further provides an intercom communication method, which is divided into two parts, and is respectively applied to an intercom transmitting a voice signal (i.e., an intercom held by a speaker) and an intercom receiving a voice signal (i.e., an intercom held by a listener). It can be understood that, in two interphones, one of them is not limited to be the interphone which transmits the voice signal, and the other one is the interphone which receives the voice signal, according to the difference of the speaker and the listener in the process of talkbacking, the functions of the two interphones are changed alternately, that is, in the same interphone, the two parts in the interphone communication method are executed alternately.
Before the two-part interphone communication method is introduced, firstly, the steps that an interphone transmitting a voice signal and an interphone receiving the voice signal can execute before the set-top interphone communication method are introduced, and the steps comprise:
the method comprises the following steps that firstly, after the mobile phone is started, a first step-down direct current converter and a second step-down direct current converter in a power module start to work, the first step-down direct current converter supplies power to an android module, and the second step-down direct current converter supplies power to a baseband chip of an intercom module; the high-power electronic switch is in a closed state (when the high-power electronic switch enters the talkback mode, the high-power electronic switch is turned on by a General-purpose Input/Output (GPIO) of the android module to supply power to a radio frequency chip of the talkback module).
And step two, after the android module is powered on, executing startup initialization operation, and self-checking whether the working state of the relevant external equipment is normal: firstly, the battery power percentage of the fuel gauge chip is read, then whether the communication of the display screen is normal or not is checked, and then the state of the first radio frequency chip is checked. And after the talkback module is powered on, checking whether the communication and control between the android module and the talkback module are normal.
And thirdly, after the power-on self-test is passed, the system automatically enters a talkback application program, and the talkback application program checks whether the states of the audio equipment and the talkback module of the interphone are normal or not.
And fourthly, if the check is normal, prompting the user that the talkback function can be normally used, and prompting the user to input a talkback matching channel and a password so as to complete channel matching between the two interphones.
After the two interphone channels are successfully matched, the talkback can be started, wherein in the talkback process, the interphone communication methods are different according to the difference of the talkback modes. For example, the talk-back mode may include a standard talk-back mode, a public network talk-back mode, a trunked talk-back mode, and the like. It can be understood that the implementation manners of different talkback modes are substantially the same, and therefore, the embodiment of the present application mainly introduces the standard talkback mode, and those skilled in the art can implement other talkback modes on this basis.
An intercom communication method applied to an intercom transmitting a voice signal in a standard intercom mode is described below.
Referring to fig. 6, fig. 6 is a flowchart of a first intercom communication method according to an embodiment of the present disclosure, where the intercom communication method includes the following steps:
step S601: when the interphone is successfully matched with the other interphone channel and is in a standard talkback mode, a voice signal is obtained through a voice collecting device in the interphone, and the voice signal is processed through an android module in the interphone to obtain a voice processing signal.
Step S602: and the voice processing signal is transmitted to an intercom module of the interphone through a digital serial interface in the interphone.
Step S603: and converting the voice processing signal into a transmitting signal through the talkback module.
Step S604: the transmitting signal is transmitted through an antenna in the interphone.
Specifically, after the two interphone channels are successfully matched, the user can select a standard talkback mode and start talkback. There are various ways for the user to select the standard intercom mode, for example: the button corresponding to the standard talkback mode is pressed down, or the identifier corresponding to the standard talkback mode is clicked on the screen, and the like.
The voice acquisition device starts recording, acquires the voice signal of the user and transmits the voice signal to the android module for processing. The process of processing the voice signal by the android module (i.e. the step S602) may specifically include the following steps:
firstly, carrying out digital coding on a voice signal through a power management and audio coding and decoding chip in an android module to obtain a voice digital signal.
And secondly, acquiring audio parameters corresponding to the standard talkback mode through a baseband chip in the android module, and processing the voice digital signals according to the audio parameters to obtain voice processing signals.
Therefore, the android module can adopt different audio parameters to process the voice signals based on different talkback modes so as to adapt to different talkback modes.
Then, the android module transmits the voice processing signal to the talkback module through the digital serial interface, and the talkback module converts the voice processing signal into a transmitting signal so that the antenna can transmit the transmitting signal. The step of converting the voice processing signal into the transmission signal (i.e., step S603) by the intercom module may specifically include the steps of:
the method comprises the following steps that firstly, a level conversion chip and a baseband chip in an intercom module are used for receiving a voice digital signal, and the voice digital signal is transmitted to a radio frequency chip in the intercom module.
And secondly, modulating and amplifying the processed voice digital signal through a radio frequency chip in the talkback module to obtain a transmitting signal.
Therefore, the level conversion chip in the talkback module can convert the IO level of the android module into the IO level corresponding to the talkback module, so that normal communication between the android module and the talkback module is realized.
In the above scheme, in the standard talkback mode, the communication between the android module and the talkback module can be realized through the digital serial interface, and the voice signal is transmitted to the android module preferentially and then transmitted to the talkback module. Therefore, on the basis of simplifying the design of interphone hardware, the android module and the interphone module can work simultaneously, so that the android module can flexibly process voice signals and store the voice signals in the interphone process.
Accordingly, an intercom communication method applied to an intercom receiving a voice signal in a standard intercom mode is described below.
Referring to fig. 7, fig. 7 is a flowchart illustrating a second intercom communication method according to an embodiment of the present disclosure, where the intercom communication method includes the following steps:
step S701: and when the interphone is successfully matched with the other interphone and is in a standard talkback mode, receiving a receiving signal corresponding to a transmitting signal transmitted by the other interphone through an antenna in the interphone, and converting the receiving signal into a voice digital signal through a talkback module in the interphone.
Step S702: and transmitting the voice digital signal to an android module in the interphone through a digital serial interface in the interphone.
Step S703: and processing the voice digital signal through an android module to obtain an output signal.
Step S704: and outputting the output signal through a voice output device in the interphone.
Specifically, the antenna receives a receiving signal corresponding to a transmitting signal transmitted by another talkback signal, and transmits the receiving signal to the talkback module, and the talkback module converts the receiving signal into a voice digital signal. The step of converting the received signal into the voice digital signal (i.e., step S702) by the intercom module may specifically include the following steps:
firstly, demodulating a received signal through a radio frequency chip in the talkback module, and transmitting the demodulated signal to a baseband chip in the talkback module.
And secondly, converting the demodulated signal through a level conversion chip in the talkback module to obtain a voice digital signal.
Therefore, the level conversion chip in the talkback module can convert the IO level of the talkback module into the IO level corresponding to the android module, so that normal communication between the android module and the talkback module is realized.
Then, the module of talkbacking transmits above-mentioned pronunciation digital signal to the module of talkbacking through digital serial interface to make the tall and erect module of ann handle in order to obtain output signal to export above-mentioned output signal through pronunciation output device. The processing, by the android module, the voice digital signal to obtain an output signal (i.e., step S703) may specifically include the following steps:
firstly, receiving a voice digital signal through a baseband chip in an android module, and processing the voice digital signal to obtain a voice processing signal.
And secondly, performing digital decoding on the voice processing signal through a power management and audio coding and decoding chip in the android module to obtain a voice analog signal.
And thirdly, amplifying the voice analog signal through an audio power amplification chip in the android module to obtain an output signal.
In the first step, the baseband chip in the android module can record, store, modify and the like the voice digital signal, or can improve the volume and the definition of the talkback voice and eliminate the processing of talkback noise, echo and the like, and the embodiment of the application does not specifically limit the processing.
Therefore, after receiving the voice signal, the android module can process the voice signal and then output the processed voice signal.
In the above scheme, under the standard talkback mode, can realize the communication between android module and the talkback module through digital serial interface, the module of talkback can be preferentially export the speech signal after transmitting to android module after receiving speech signal. Therefore, on the basis of simplifying the design of interphone hardware, the android module and the interphone module can work simultaneously, so that the android module can flexibly process voice signals and store the voice signals in the interphone process.
Under public network mode of talkbacking, different from the standard mode of talkbacking, speech signal can directly be launched through radio frequency chip and antenna in the tall and erect module of ann, need not to send again for the module of talkbacking. That is to say, the intercom communication method provided in the embodiment of the present application may further include the following steps:
the method comprises the steps that firstly, when an interphone is successfully matched with another interphone channel and is in a public network talkback mode, a voice signal is obtained through a voice collecting device, and the voice signal is processed through an android module.
And secondly, modulating and amplifying the processed voice signal through a radio frequency chip in the android module.
And thirdly, transmitting the modulated and amplified voice signal through an antenna.
In the above scheme, under the public network talkback mode, the voice signal can be directly transmitted through the radio frequency chip and the antenna in the android module, so as to realize talkback under different modes.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
In addition, units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
Furthermore, the functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An interphone communication method is applied to an interphone and comprises the following steps:
when the channel matching of the interphone and the other interphone is successful and the interphone is in a standard talkback mode, acquiring a voice signal through a voice acquisition device in the interphone, and processing the voice signal through an android module in the interphone to obtain a voice processing signal;
the voice processing signal is transmitted to an intercom module of the interphone through a digital serial interface in the interphone; the android module and the talkback module are communicated through the digital serial interface;
converting the voice processing signal into a transmitting signal through the talkback module;
and transmitting the transmitting signal through an antenna in the interphone.
2. The intercom communication method according to claim 1, wherein the processing the voice signal through an android module in the intercom to obtain a voice processed signal comprises:
carrying out digital coding on the voice signal through a power management and audio coding and decoding chip in the android module to obtain a voice digital signal;
and acquiring an audio parameter corresponding to the standard talkback mode through a baseband chip in the android module, and processing the voice digital signal according to the audio parameter to obtain the voice processing signal.
3. The intercom communication method according to claim 2, wherein said converting said voice processing signal into a transmission signal by said intercom module comprises:
receiving the voice digital signal through a level conversion chip and a baseband chip in the talkback module, and transmitting the voice digital signal to a radio frequency chip in the talkback module;
and modulating and amplifying the processed voice digital signal through a radio frequency chip in the talkback module to obtain the transmitting signal.
4. The intercom communication method according to any one of claims 1-3, further comprising:
when the interphone is successfully matched with the other interphone and is in a public network talkback mode, acquiring a voice signal through the voice acquisition device, and processing the voice signal through the android module;
modulating and amplifying the processed voice signal through a radio frequency chip in the android module;
and transmitting the modulated and amplified voice signal through the antenna.
5. An interphone communication method is applied to an interphone and comprises the following steps:
when the channel matching of the interphone and the other interphone is successful and the interphone is in a standard talkback mode, receiving a receiving signal corresponding to a transmitting signal transmitted by the other interphone through an antenna in the interphone, and converting the receiving signal into a voice digital signal through a talkback module in the interphone;
transmitting the voice digital signal to an android module in the interphone through a digital serial interface in the interphone; the android module and the talkback module are communicated through the digital serial interface;
processing the voice digital signal through the android module to obtain an output signal;
and outputting the output signal through a voice output device in the interphone.
6. The intercom communication method according to claim 5, wherein said converting said received signal into a voice digital signal by an intercom module in said intercom comprises:
demodulating the received signal through a radio frequency chip in the talkback module, and transmitting the demodulated received signal to a baseband chip in the talkback module;
and converting the demodulated signal through a level conversion chip in the talkback module to obtain the voice digital signal.
7. The intercom communication method according to claim 5, wherein said processing said voice digital signal by said android module to obtain an output signal comprises:
receiving the voice digital signal through a baseband chip in the android module, and processing the voice digital signal to obtain a voice processing signal;
performing digital decoding on the voice processing signal through a power management and audio coding and decoding chip in the android module to obtain a voice analog signal;
and amplifying the voice analog signal through an audio power amplification chip in the android module to obtain the output signal.
8. An intercom station characterized by being adapted to perform the intercom communication method according to any one of claims 1 to 4 or the intercom communication method according to any one of claims 5 to 7;
the intercom includes:
an android module;
the intercom module is communicated with the android module through a digital serial interface;
the voice acquisition device is connected with the android module and used for acquiring voice signals;
the voice output device is connected with the android module and used for outputting voice signals;
and the antenna is connected with the android module and the talkback module and used for transmitting signals or receiving signals.
9. The intercom of claim 8, wherein the android module comprises:
a baseband chip;
the power management and audio coding and decoding chip is connected with the baseband chip;
the radio frequency chip is connected with the baseband chip;
the audio power amplification chip is connected with the baseband chip;
and the storage chip is connected with the power management and audio coding and decoding chip.
10. The intercom of claim 8, wherein said intercom module comprises:
a baseband chip;
the radio frequency chip is connected with the baseband chip;
and the level conversion chip is connected with the baseband chip.
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| CN202110365673.7A CN113114295A (en) | 2021-04-02 | 2021-04-02 | Interphone communication method and interphone |
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Application publication date: 20210713 |