CN112822568A - Network IP interphone and system - Google Patents

Network IP interphone and system Download PDF

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Publication number
CN112822568A
CN112822568A CN202011610216.1A CN202011610216A CN112822568A CN 112822568 A CN112822568 A CN 112822568A CN 202011610216 A CN202011610216 A CN 202011610216A CN 112822568 A CN112822568 A CN 112822568A
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CN
China
Prior art keywords
module
audio
network
voice
interphone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011610216.1A
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Chinese (zh)
Inventor
钱雨广
张依贤
何林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Jianmian Intelligent Technology Co ltd
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Guangdong Jianmian Intelligent Technology Co ltd
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Filing date
Publication date
Application filed by Guangdong Jianmian Intelligent Technology Co ltd filed Critical Guangdong Jianmian Intelligent Technology Co ltd
Priority to CN202011610216.1A priority Critical patent/CN112822568A/en
Publication of CN112822568A publication Critical patent/CN112822568A/en
Pending legal-status Critical Current

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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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech

Abstract

The invention discloses a network IP interphone and a system, which comprise an MCU, an audio sampling module, an audio compression module, an audio TC/IP protocol conversion module, an IP channel selection/cluster module, a local voice network service and management module, an Ethernet/WIFI module, a cloud server and an audio decoder; the MCU is respectively connected with the audio compression module, the audio TC/IP protocol conversion module, the IP channel selection/cluster module and the audio decoder; the audio compression module is connected with the audio sampling module; the IP channel selection/cluster module is connected with the Ethernet/WIFI module; the Ethernet/WIFI module is connected with the cloud server; the IP channel selection/cluster module is connected with the audio TC/IP protocol conversion module. The invention can realize independent operation of the cloud server on the off-network, and can be applied to the network IP interphone and the system in most occasions needing voice talkback.

Description

Network IP interphone and system
Technical Field
The invention relates to the field of network communication, in particular to a network IP interphone and a system.
Background
With the development of science and technology, the traditional interphone has more and more limitations and is difficult to meet the communication requirements of more occasions, most of the traditional interphone systems are realized by utilizing analog signals and wireless transmission, the talkback distance is short, the wireless signals have large interference, especially the communication interference in the same channel is larger, and the echo cannot be eliminated; in addition, during talkback, one of the two terminals must be in a transmitting state and the other terminal must be in a receiving state, and duplex communication cannot be realized simultaneously.
Disclosure of Invention
The invention aims to provide a network IP interphone and a system which can be used on the Ethernet and the local area network, realize independent operation of cloud servers on the off-network and can be applied to most occasions needing voice talkback, aiming at overcoming the defects of the prior art.
The technical scheme of the invention is as follows:
on one hand, the invention provides a network IP interphone, which comprises an MCU, an audio sampling module, an audio compression module, an audio TC/IP protocol conversion module, an IP channel selection/cluster module, a local voice network service and management module, an Ethernet/WIFI module, a cloud server and an audio decoder;
the MCU is respectively connected with the audio compression module, the audio TC/IP protocol conversion module, the IP channel selection/cluster module and the audio decoder; the audio compression module is connected with the audio sampling module; the IP channel selection/cluster module is connected with the Ethernet/WIFI module; the Ethernet/WIFI module is connected with the cloud server; the IP channel selection/cluster module is connected with the audio TC/IP protocol conversion module;
the IP channel selection/cluster module is used for selectively initiating calling and voice talkback to N IP intercoms connected in the network and forming a group by the N selected IP for voice communication at the same time.
Further, the audio sampling module is composed of an MIC and an audio amplifying circuit, and is used for acquiring and amplifying voice and sound.
Further, the audio compression module is used for digitizing the voice and sound signals, and encoding and compressing the signals through an encoder.
Further, the audio TC/IP protocol conversion module is configured to convert the audio signal into a TC/IP protocol, so that the audio signal is transmitted over the network.
Furthermore, the local area voice network service and management module is used for managing voice talkback in a local area network and providing basic communication service in the local area network when a plurality of persons carry out group voice communication.
Further, the cloud server is used for managing the online remote signal service of all the network IP interphones.
Furthermore, the device also comprises an echo eliminating module, and the echo eliminating module is connected with the audio sampling module.
Furthermore, the system also comprises a sound reduction module, and the sound reduction module is connected with the audio decoder.
Further, the system also comprises a calling/ringing module, wherein the calling/ringing module is connected with the MCU.
Further, the display device also comprises a display module, wherein the display module is connected with the MCU; the display module is used for displaying states of the interphone, including signal intensity, network state, connection IP, group members and calling/ringing prompt.
On the other hand, the network IP interphone system comprises the network IP interphone, the cloud server and the Ethernet/WIFI module.
The invention has the beneficial effects that: the invention can realize independent operation of the cloud server on the off-network, and can be applied to most occasions needing voice talkback, including fire-fighting broadcast, paging talkback broadcast, timing broadcast and the like. Even under the condition that the server is disconnected, the system can be normally and stably used in the local area network where the Ethernet is covered. The network digital IP talkback fully utilizes the existing network resources, can be normally used in places covered by Ethernet interfaces and WIFI, realizes the remote talkback function of a plurality of network areas, and meets the requirements on single-point, group and paging talkback functions.
Drawings
Fig. 1 is a schematic block diagram of a network IP intercom of the present invention.
Fig. 2 is a network connection diagram of a network IP intercom system according to the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description 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.
Referring to fig. 1 and 2, the present invention provides a network IP intercom, including an MCU10 (Microcontroller Unit), an audio sampling module 30, an audio compression module 20, an audio TC/IP protocol conversion module 50, an IP channel selection/clustering module 40, a local voice network service and management module 80, an ethernet/WIFI module 60, a cloud server 70, and an audio decoder 90; the MCU10 is connected to the audio compression module 20, the audio TC/IP protocol conversion module 50, the IP channel selection/clustering module 40, and the audio decoder 90 respectively; the audio compression module 20 is connected with the audio sampling module 30; the IP channel selection/cluster module 40 is connected to the ethernet/WIFI module 60; the ethernet/WIFI module 60 is connected to the cloud server 70; the IP channel selection/cluster module 40 is connected to the audio TC/IP protocol conversion module 50; the IP channel selecting/clustering module 40 is used to selectively initiate a call and a voice intercom to N IP of all the connected network IP interphones in the network, and can group N selected IP into a group for simultaneous voice communication.
In this embodiment, the ethernet/WIFI module 60 is connected to ethernet and WIFI wireless signals. The audio decoder 90 decodes an audio signal on the network and converts a digital signal into an analog signal. The invention can realize independent operation of the cloud server 70 on the off-network, and can be applied to most occasions needing voice talkback, including fire-fighting broadcast, paging talkback broadcast, timing broadcast and the like. Even under the condition that the server is disconnected, the system can be normally and stably used in the local area network where the Ethernet is covered. The network digital IP talkback fully utilizes the existing network resources, can be normally used in places covered by Ethernet interfaces and WIFI, realizes the remote talkback function of a plurality of network areas, and meets the requirements on single-point, group and paging talkback functions.
Preferably, the audio sampling module 30 is composed of an MIC and an audio amplifying circuit, and is configured to acquire and amplify voice and sound.
Preferably, the audio compression module 20 is configured to digitize the speech and sound signals, and encode and compress the digitized speech and sound signals by an encoder.
The audio compression module 20 digitizes the voice and sound signals, encodes the digitized voice and sound signals by an encoder, and compresses the digitized voice and sound signals within a size range of one time, so that data transmission is optimized, and code streams are smaller.
Preferably, the audio TC/IP protocol conversion module 50 is configured to convert the audio signal into a TC/IP protocol, so that the audio signal is transmitted over the network.
Preferably, the local area voice network service and management module 80 is configured to manage voice talkback and provide basic communication service in a local area network when a group of multiple users performs voice communication in a local area network.
Preferably, the cloud server 70 is configured to manage the online remote signal service of all the network IP interphones.
Preferably, the apparatus further comprises an echo cancellation module 110, and the echo cancellation module 110 is connected to the audio sampling module 30.
In this embodiment, the echo cancellation module 110 is used to cancel background noise and keep clear speech and sound signals from audio samples working together with the audio samples.
Preferably, the audio decoder further comprises a sound reduction module 100, and the sound reduction module 100 is connected to the audio decoder 90.
In this embodiment, the sound recovery module 100 is configured to amplify an analog signal and drive a speaker and an earphone.
Preferably, a call/ring module 130 is further included, the call/ring module 130 being connected to the MCU 10.
In this embodiment, the call/ring module 130 is used to call a designated IP, group member, and when receiving a call, the ring prompts that there is a member call.
Preferably, the device further comprises a display module 120, wherein the display module 120 is connected with the MCU 10; the display module 120 is configured to display states of the intercom, including signal strength, network state, connection IP, group member, and call/ring alert.
On the other hand, referring to fig. 2, a network IP intercom system is further provided, which includes any one of the above network IP intercom, the cloud server 70 and the ethernet/WIFI module 60.
In this embodiment, a plurality of network IP interphones can be connected to the same ethernet/WIFI module 60 to implement simultaneous duplex communication.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A network IP interphone is characterized by comprising an MCU, an audio sampling module, an audio compression module, an audio TC/IP protocol conversion module, an IP channel selection/cluster module, a local voice network service and management module, an Ethernet/WIFI module, a cloud server and an audio decoder;
the MCU is respectively connected with the audio compression module, the audio TC/IP protocol conversion module, the IP channel selection/cluster module and the audio decoder; the audio compression module is connected with the audio sampling module; the IP channel selection/cluster module is connected with the Ethernet/WIFI module; the Ethernet/WIFI module is connected with the cloud server; the IP channel selection/cluster module is connected with the audio TC/IP protocol conversion module;
the IP channel selection/cluster module is used for selectively initiating calling and voice talkback to N IP intercoms connected in the network and forming a group by the N selected IP for voice communication at the same time.
2. The network IP interphone according to claim 1,
the audio sampling module consists of an MIC and an audio amplifying circuit and is used for acquiring and amplifying voice and sound.
3. The network IP interphone according to claim 1,
the audio compression module is used for digitizing the voice and sound signals and coding and compressing the signals through a coder.
4. The network IP interphone according to claim 1,
the audio TC/IP protocol conversion module is used for converting the audio signal into a TC/IP protocol so that the audio signal is transmitted on the network.
5. The network IP interphone according to claim 1,
the local area voice network service and management module is used for managing voice talkback in a local area network and providing basic communication service in the local area network when a plurality of persons carry out voice communication.
6. The network IP interphone according to claim 1,
and the cloud server is used for managing the online remote signal service of all the network IP interphones.
7. The IP interphone according to claim 1, further comprising an echo cancellation module,
the echo eliminating module is connected with the audio sampling module.
8. The IP interphone according to claim 1, further comprising a voice recovery module,
the sound reduction module is connected with the audio decoder.
9. The IP interphone according to any of the claims 1 to 8, further comprising
The display module is connected with the MCU; the display module is used for displaying states of the interphone, including signal intensity, network state, connection IP, group members and calling/ringing prompt;
a calling/ringing module connected with the MCU.
10. A network IP interphone system comprising the network IP interphone according to any one of claims 1 to 8, and the cloud server and the ethernet/WIFI module.
CN202011610216.1A 2020-12-30 2020-12-30 Network IP interphone and system Pending CN112822568A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011610216.1A CN112822568A (en) 2020-12-30 2020-12-30 Network IP interphone and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011610216.1A CN112822568A (en) 2020-12-30 2020-12-30 Network IP interphone and system

Publications (1)

Publication Number Publication Date
CN112822568A true CN112822568A (en) 2021-05-18

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201919154U (en) * 2011-01-31 2011-08-03 北京永新联合电子技术有限公司 Voice talkback device and voice trunking communication system
CN102572613A (en) * 2010-12-28 2012-07-11 深圳市信太和科技有限公司 Digital intercom system and method based on wireless internet
CN104468146A (en) * 2014-12-10 2015-03-25 深圳市来邦实业有限公司 Broadcast intercom system based on IP network
US20160242148A1 (en) * 2015-02-13 2016-08-18 Mark L. REED Multi-mode wireless intercom
CN206674000U (en) * 2017-03-31 2017-11-24 成都市品立科技有限责任公司 A kind of IP intercom systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102572613A (en) * 2010-12-28 2012-07-11 深圳市信太和科技有限公司 Digital intercom system and method based on wireless internet
CN201919154U (en) * 2011-01-31 2011-08-03 北京永新联合电子技术有限公司 Voice talkback device and voice trunking communication system
CN104468146A (en) * 2014-12-10 2015-03-25 深圳市来邦实业有限公司 Broadcast intercom system based on IP network
US20160242148A1 (en) * 2015-02-13 2016-08-18 Mark L. REED Multi-mode wireless intercom
CN206674000U (en) * 2017-03-31 2017-11-24 成都市品立科技有限责任公司 A kind of IP intercom systems

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Application publication date: 20210518