CN105338429B - Intercom audio signal relay system - Google Patents
Intercom audio signal relay system Download PDFInfo
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- CN105338429B CN105338429B CN201510916796.XA CN201510916796A CN105338429B CN 105338429 B CN105338429 B CN 105338429B CN 201510916796 A CN201510916796 A CN 201510916796A CN 105338429 B CN105338429 B CN 105338429B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15535—Control of relay amplifier gain
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
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Abstract
The invention belongs to the technical field of digital communication, and discloses an interphone audio signal relay system, which comprises: the talkback communication terminal is used for receiving voice signals of different frequency bands and transmitting the voice signals to the automatic gain control module; the automatic gain control module amplifies the voice signal to inherent power and sends the power to the voice recognition module; the voice recognition module filters the voice signal to generate an effective voice signal, automatically generates a trigger signal and transmits the trigger signal to the voice grouping processing module; and the voice grouping processing module selects a corresponding talkback communication terminal according to the trigger signal, and forwards the effective voice signal through the corresponding talkback communication terminal to realize the relay of the audio signal. The invention not only realizes the relay function of the interphone in the same frequency band, but also realizes the relay function of the interphones in different frequency bands and different systems; and the communication function between the interphone and different communication terminals is realized, the remote talkback and command functions can be realized, and the practical value of the product is improved.
Description
Technical Field
The invention belongs to the technical field of digital communication, and relates to an interphone audio signal relay system.
Background
The intercom relay system is generally used as a device for increasing the communication distance of the intercom, and a radio frequency relay mode is usually adopted, so that the communication distance of the intercom in the same frequency band can be effectively increased. The relay station of the traditional interphone is characterized in that a high-sensitivity receiver is responsible for receiving signals of all radio stations on a frequency point (frequency), and a high-power transmitter is used for transmitting the signals by another frequency, namely, the relay station of the traditional interphone transmits and receives signals in a differential mode of different frequency work, so that the effect of increasing the communication distance is achieved. However, the relay station of the traditional interphone can only realize the relay function of the interphone signal with a single frequency or the same frequency band, the interphones with different frequency bands and different standards cannot directly relay communication, and the relay communication between the interphone and other intercom communication terminals cannot be realized.
In the long-distance multiparty talkback occasion of cross-region, for example: oil fields, various areas of mines, forest fire prevention large-scale areas, railway tunnel construction, various emergency rescue and relief sites and other occasions; and under the local many ways of talkbacking occasion of the small scale, if: in large commercial buildings, shopping squares, intercom systems in underground parking lots, buildings in large property districts, intercom systems in underground parking lots and other occasions, communication coordination among different departments and different fields is often required to complete tasks together. However, the frequency, frequency band, system, etc. of the interphone used in different departments and different fields are different, and the traditional interphone relay system can only realize the interphone relay function of a single frequency or the same frequency band, so that the traditional interphone relay system can not meet the requirements. If the relay of multi-band and multi-system interphone signals is realized, the relay stations with multiple frequency bands and multiple systems are needed, so that the system is huge and complex, and interphones with different frequency bands and different systems cannot directly relay communication, which is not beneficial to cooperative work of different departments and different fields.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the problem that a relay system in the prior art can only realize the signal relay function between interphones with the same frequency and the same frequency band, and provides an interphone audio signal relay system which not only can realize the signal relay function between the interphones with the same frequency and the same frequency band, but also can realize the direct relay communication function between the interphones with different frequency bands and different standards, and even can realize the talkback communication function between the interphones and other talkback communication terminals (such as mobile phones, telephones and the like), thereby realizing the remote communication and command functions, expanding the use range of products and improving the use flexibility of the products.
The technical scheme is as follows: the invention relates to an interphone audio signal relay system, which aims to realize the purpose,
the utility model provides an intercom audio signal relay system, includes intercom communication terminal, Automatic Gain Control (AGC) module, speech recognition module, pronunciation packet processing module, wherein:
the talkback communication terminal is used for receiving voice signals of different frequency bands, transmitting the voice signals to the automatic gain control module and transmitting the voice signals of the different frequency bands;
the Automatic Gain Control (AGC) module is connected with the talkback communication terminal, amplifies a voice signal received from the talkback communication terminal to inherent power and sends the power to the voice recognition module;
the voice recognition module is connected with the automatic gain control module, filters the voice signal received from the automatic gain control module, removes noise in the signal, generates an effective voice signal, automatically generates a trigger signal and transmits the trigger signal to the voice packet processing module;
the voice grouping processing module is connected with the voice recognition module, selects a corresponding talkback communication terminal according to the trigger signal, and forwards an effective voice signal through the corresponding talkback communication terminal, so that the relay of the audio signal is realized.
Preferably, the intercom communication terminal includes an intercom, the intercom audio signal relay system includes the connected node of a plurality of intercom, the intercom divide into a plurality of groups according to the frequency channel, all connect on the connected node of intercom audio signal relay system, the intercom of different frequency channels receives the speech signal of corresponding frequency channel to send the speech signal of different frequency channels.
Preferably, the intercom communication terminal further comprises a mobile communication terminal and a fixed communication terminal, the intercom audio signal relay system comprises a plurality of connection nodes of the mobile communication terminal and a plurality of connection nodes of the fixed communication terminal, and the mobile communication terminal and the fixed communication terminal are both connected to the corresponding connection nodes of the intercom audio signal relay system.
Preferably, the intercom communication terminal further comprises a communication handle, the intercom audio signal relay system comprises a plurality of connection nodes of the communication handle, and the communication handle is connected to the connection nodes of the intercom audio signal relay system.
Specifically, the communication handle receives a voice signal and a PTT (push To talk) signal identified by communication between the communication handles, the communication handle is connected with the automatic gain control module and amplifies the voice signal, the automatic gain control module is connected with the voice identification module and filters the voice signal, an effective voice signal and the PTT signal are separated, the voice identification module is connected with the voice grouping processing module and transmits the effective voice signal To the communication handles, and the communication handles combine the effective voice signal and the PTT signal and transmit the effective voice signal and the PTT signal together for the remote communication handles To receive.
In parallel, the communication handle receives a voice signal and a PTT (push To talk) signal identified by communication between the communication handles, the communication handles are connected with the automatic gain control module To amplify the voice signal, the automatic gain control module is connected with the voice identification module To filter the voice signal and separate an effective voice signal from the PTT signal, the voice identification module is connected with the voice grouping processing module To transmit the effective voice signal To the mobile communication terminal and/or the fixed communication terminal and/or the interphone, and the effective voice signal is forwarded out through the mobile communication terminal and/or the fixed communication terminal and/or the interphone To be received by the remote mobile communication terminal and/or the fixed communication terminal and/or the interphone.
In parallel, the mobile communication terminal and/or the fixed communication terminal and/or the interphone transmit the received voice signals To the automatic gain control module, amplify the voice signals, the automatic gain control module is connected with the voice recognition module, filter the voice signals, the voice recognition module is connected with the voice grouping processing module, transmit effective voice signals To the communication handle, and the communication handle combines the effective voice signals with PTT (push To talk) signals and forwards the signals together for the remote communication handle To receive.
Has the advantages that: the interphone audio signal relay system can realize the function of interphone relay in the same frequency band, and can effectively expand the communication distance of the interphone; the function of the interphone relay of different frequency bands and different standards can be realized, for example, the relay communication among the interphones of different frequency bands, the analog interphone, the digital interphone and the digital interphones of different modulation modes can be realized, the interphones, the mobile communication terminal, the fixed communication terminal and the communication handle can freely talk back and forth in a cross-platform manner, the communication distance of the interphones can be expanded, the cross-frequency band and cross-standard intercom communication can be realized, and the interphone can be used as a comprehensive intercom command platform in cross-department and cross-field, so that the practicability and flexibility of the product use are further improved; the communication function of intercom and different communication terminal can be realized, for example: the communication between the interphone and the mobile phone and the telephone can realize the remote talkback and command functions, improve the practical value of the product and effectively expand the application range and the field of the invention.
Drawings
Fig. 1 is a block diagram illustrating the connection of the modules of the audio signal relay system of the interphone according to the present invention.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Referring to fig. 1, an intercom audio signal relay system includes:
the talkback communication terminal comprises an interphone, a mobile communication terminal, a fixed communication terminal and a communication handle, and is used for receiving voice signals of different frequency bands, transmitting the voice signals to the automatic gain control module and transmitting the voice signals of the different frequency bands, wherein various communication terminals are respectively connected with the input ends of the corresponding automatic gain control modules, the output ends of the automatic gain control modules are connected with the input ends of the voice recognition modules, and the output ends of the voice recognition modules are connected with the voice grouping processing module;
the automatic gain control module is connected with the talkback communication terminal, amplifies a voice signal received from the talkback communication terminal to inherent power and sends the power to the voice recognition module;
the voice recognition module is connected with the automatic gain control module, filters the voice signal received from the automatic gain control module, removes noise points in the signal, generates an effective voice signal, automatically generates a trigger signal and transmits the trigger signal to the voice packet processing module;
and the voice packet processing module is connected with the voice recognition module, selects a corresponding talkback communication terminal according to the trigger signal, and forwards the effective voice signal through the corresponding talkback communication terminal to realize the relay of the audio signal.
The interphone shown in fig. 1 is a general type, wherein the interphone is further divided into a plurality of groups according to frequency bands, the groups are all connected to a connection node of an interphone audio signal relay system, and the interphones in different frequency bands receive voice signals in corresponding frequency bands and send the voice signals in different frequency bands.
Similarly, the intercom communication terminal also comprises a mobile communication terminal and a fixed communication terminal, the intercom audio signal relay system comprises a plurality of connection nodes of the mobile communication terminal and a plurality of connection nodes of the fixed communication terminal, and the mobile communication terminal and the fixed communication terminal are connected to the corresponding connection nodes of the intercom audio signal relay system.
Similarly, the talkback communication terminal also comprises a communication handle, the talkback audio signal relay system comprises a plurality of connection nodes of the communication handle, and the communication handle is connected to the connection nodes of the talkback audio signal relay system.
Any one of the interphone, the mobile communication terminal, the fixed communication terminal and the communication handle receives a voice signal, the voice signal is transmitted to the automatic gain control module, the voice signal is amplified, the automatic gain control module is connected with the voice recognition module, the voice signal received from the automatic gain control module is filtered, noise in the signal is removed, an effective voice signal is generated, and a trigger signal is automatically generated and transmitted to the voice grouping processing module; when the talkback communication terminal is a communication handle and receives a voice signal, the voice recognition module needs To separate a PTT (push To talk) signal from an effective voice signal, transmit the independent effective voice signal To the voice packet processing module, automatically recognize the independent effective voice signal into different talkback communication terminals by the voice packet processing module, and retransmit the effective voice signal, for example, forward the voice information on a mobile phone platform through a mobile communication terminal or directly transmit the voice information on a fixed phone through a fixed communication terminal.
It should be noted that, when the voice packet processing module transmits the valid voice signal to the communication handle, the communication handle needs to combine the valid voice signal and the PTT signal and forward them together for the remote communication handle to receive.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The utility model provides an intercom audio signal relay system, includes talkback communication terminal, automatic gain control module, speech recognition module, pronunciation packet processing module, its characterized in that:
the talkback communication terminal is used for receiving voice signals of different frequency bands, transmitting the voice signals to the automatic gain control module and transmitting the voice signals of the different frequency bands;
the automatic gain control module is connected with the talkback communication terminal, amplifies a voice signal received from the talkback communication terminal to inherent power and sends the power to the voice recognition module;
the voice recognition module is connected with the automatic gain control module, filters the voice signal received from the automatic gain control module, removes noise in the signal, generates an effective voice signal, automatically generates a trigger signal and transmits the trigger signal to the voice packet processing module;
the voice grouping processing module is connected with the voice recognition module, selects a corresponding talkback communication terminal according to the trigger signal, and forwards an effective voice signal through the corresponding talkback communication terminal to realize the relay of the audio signal;
the intercom communication terminal comprises an intercom, the intercom audio signal relay system comprises a plurality of connection nodes of the intercom, the intercom is divided into a plurality of groups according to frequency bands and is connected to the connection nodes of the intercom audio signal relay system, and the intercom in different frequency bands receives voice signals in corresponding frequency bands and sends the voice signals in different frequency bands;
the intercom communication terminal further comprises a mobile communication terminal and a fixed communication terminal, the intercom audio signal relay system comprises a plurality of mobile communication terminal connection nodes and a plurality of fixed communication terminal connection nodes, and the mobile communication terminal and the fixed communication terminal are connected to the corresponding connection nodes of the intercom audio signal relay system.
The intercom communication terminal further comprises a communication handle, the intercom audio signal relay system comprises a plurality of connection nodes of the communication handle, and the communication handle is connected to the connection nodes of the intercom audio signal relay system.
2. The intercom audio signal relay system according to claim 1, wherein the communication handle receives a voice signal and a PTT signal recognized by communication between the communication handles, the communication handle is connected to the automatic gain control module to amplify the voice signal, the automatic gain control module is connected to the voice recognition module to filter the voice signal and separate an effective voice signal from the PTT signal, the voice recognition module is connected to the voice packet processing module to transmit the effective voice signal to the communication handles, and the communication handles combine the effective voice signal with the PTT signal and forward the combined signal for receiving by the remote communication handles.
3. The intercom audio signal relay system according to claim 1, wherein the communication handle receives a voice signal and a PTT signal recognized by communication between the communication handles, the communication handles are connected to the agc module for amplifying the voice signal, the agc module is connected to the voice recognition module for filtering the voice signal and separating an effective voice signal from the PTT signal, the voice recognition module is connected to the voice packet processing module for transmitting the effective voice signal to the mobile communication terminal and/or the fixed communication terminal and/or the intercom, and the effective voice signal is forwarded by the mobile communication terminal and/or the fixed communication terminal and/or the intercom for receiving by the remote mobile communication terminal and/or the fixed communication terminal and/or the intercom.
4. The intercom audio signal relay system according to claim 1, wherein the mobile communication terminal and/or the fixed communication terminal and/or the intercom transmits the received voice signal to the automatic gain control module, amplifies the voice signal, the automatic gain control module is connected with the voice recognition module, filters the voice signal, the voice recognition module is connected with the voice packet processing module, transmits the effective voice signal to the communication handle, and the communication handle combines the effective voice signal and the PTT signal to be forwarded together for the remote communication handle to receive.
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| US12075005B2 (en) | 2020-11-19 | 2024-08-27 | Alpha Networks Inc. | Voice signal relay and transfer method and radio network gateway |
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