CN201919154U - Voice talkback device and voice trunking communication system - Google Patents
Voice talkback device and voice trunking communication system Download PDFInfo
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- CN201919154U CN201919154U CN201120034234XU CN201120034234U CN201919154U CN 201919154 U CN201919154 U CN 201919154U CN 201120034234X U CN201120034234X U CN 201120034234XU CN 201120034234 U CN201120034234 U CN 201120034234U CN 201919154 U CN201919154 U CN 201919154U
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Abstract
The utility model provides a voice talkback device and a voice trunking communication system. The voice talkback device comprises an audio frequency input interface, an audio output interface, a transmit-receive controller, a voice coding and decoding device and a trunking signaling coding and decoding device. Both the audio frequency input interface and the audio frequency output interface are connected with the trunking signaling coding and decoding device through the voice coding and decoding device; and the transmit-receive controller is respectively connected with the voice coding and decoding device and the trunking signaling coding and decoding device. The voice talkback device solves the problem of limited communication distance of an interphone, simultaneously reduces the distortion in the audio signals transmission process and enhances user experience.
Description
Technical field
The utility model particularly about single worker's intercom, is a kind of speech talkback device and voice trunked communication system about wireless communication technique specifically.
Background technology
Along with the continuous development of mechanics of communication, wireless interspeaker is widely used in every field gradually as a kind of professional wireless communication facility in the mobile communication.But, employed wireless interspeaker has the following disadvantages in the prior art: the communication distance of the wireless interspeaker that uses in the every field is very limited, generally can only reach several kilometers, even installed after the radio repeater station, the communication distance of wireless interspeaker also can only reach tens kilometers, can't realize intercity intercommunication, reduce user experience.
The utility model content
The utility model embodiment provides a kind of speech talkback device, voice trunked communication system, in order to solve the very limited problem of intercom communication distance, has reduced the distortion of audio signal in transmission course simultaneously, has promoted user experience.
One of the purpose of this utility model is, a kind of speech talkback device is provided, described speech talkback device comprises: audio input interface, audio output interface, transceiver controller, audio coder ﹠ decoder (codec), trunking signal codec, and described audio input interface is connected with described trunking signal codec by described audio coder ﹠ decoder (codec); Described audio output interface is connected with described trunking signal codec by described audio coder ﹠ decoder (codec); Described transceiver controller is connected with described audio coder ﹠ decoder (codec), trunking signal codec respectively; Described audio input interface is used for audio signal is converted to the signal of telecommunication; Described transceiver controller is used for described audio coder ﹠ decoder (codec), described trunking signal codec and is set to the state that receives or send; Described audio coder ﹠ decoder (codec), the signal of telecommunication compressed encoding that is used for when transmit status described audio input interface is a data flow; Described trunking signal codec is used for being sent to Ethernet interface after the data flow mixing with signaling code and described audio coder ﹠ decoder (codec) when transmit status; Described trunking signal codec also is used for the mixed signal of Ethernet interface is decomposed into signaling code and data flow when accepting state; Described audio coder ﹠ decoder (codec) also is used for the data flow of described trunking signal codec is decoded as the signal of telecommunication when accepting state; Described audio output interface, being used for electrical signal conversion is audio signal.
Wherein, audio input interface is a microphone, and audio output interface is a loud speaker.
One of the purpose of this utility model is, a kind of voice trunked communication system is provided, described voice trunked communication system comprises: the first speech talkback device, at least one Ethernet interface, network cluster server and at least one second speech talkback device, and the described first speech talkback device, the second speech talkback device are connected with described Ethernet interface; The described first speech talkback device, the second speech talkback device comprise: audio input interface, audio output interface, transceiver controller, audio coder ﹠ decoder (codec), trunking signal codec, the described first speech talkback device is used for and will be sent to Ethernet interface after audio signal and the signaling code mixing; Described Ethernet interface is used for mixed signal with the described first speech talkback device and is packaged into packet and is sent to the Internet; Described network cluster server is used for the packet of the Internet is resolved to obtain signaling code and data flow, carries out network channel according to described signaling code and distributes, and again signaling code and data flow is packaged into packet and is sent to Ethernet interface; Described Ethernet interface also is used for packet is resolved to mixed signal and described mixed signal is sent to the second speech talkback device; The described second speech talkback device is used for described mixed signal is resolved to obtain audio signal.
Preferably, Ethernet interface is arranged in the first speech talkback device and/or the second speech talkback device.
The beneficial effects of the utility model are: by audio signal is transferred to the Internet through speech talkback device, Ethernet interface after being packaged into packet, the network cluster server is resolved described packet, and carry out the network channel branch and be equipped with audio signal is forwarded on other speech talkback devices, reduced the transmission of audio signals distortion, and communication distance does not have the restriction of place, position and distance, has promoted user experience.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structure chart of the speech talkback device that provides of the utility model;
Fig. 2 is the structure chart of first kind of execution mode of the voice trunked communication system that provides of the utility model;
Fig. 3 is the structure chart of second kind of execution mode of the voice trunked communication system that provides of the utility model;
Fig. 4 is the circuit theory diagrams of a kind of speech talkback device of providing of the utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structure chart of a kind of voice cluster talkback unit of providing of the utility model, as shown in Figure 1, voice cluster talkback unit 10 in the utility model comprises: audio input interface 101, audio output interface 102, transceiver controller 105, audio coder ﹠ decoder (codec) 103, trunking signal codec 104
Described audio input interface 101 is connected with described trunking signal codec 104 by described audio coder ﹠ decoder (codec) 103;
Described audio output interface 102 is connected with described trunking signal codec 104 by described audio coder ﹠ decoder (codec) 103;
Described transceiver controller 105 is connected with described audio coder ﹠ decoder (codec) 103, trunking signal codec 104 respectively;
Described audio input interface 101 is used for audio signal is converted to the signal of telecommunication;
Described transceiver controller 105 is used for described audio coder ﹠ decoder (codec) 103, described trunking signal codec 104 are set to the state that receives or send;
Described audio coder ﹠ decoder (codec) 103, the signal of telecommunication compressed encoding that is used for when transmit status described audio input interface 101 is a data flow;
Described trunking signal codec 104 is used for being sent to Ethernet interface after the data flow mixing with signaling code and described audio coder ﹠ decoder (codec) 103 when transmit status;
Described trunking signal codec 104 also is used for the mixed signal of Ethernet interface is decomposed into signaling code and data flow when accepting state;
Described audio coder ﹠ decoder (codec) 103 also is used for the data flow of described trunking signal codec 104 is decoded as the signal of telecommunication when accepting state;
Described audio output interface 102, being used for electrical signal conversion is audio signal.
Wherein, audio input interface 101 can be microphone, and audio output interface 102 can be loud speaker.
Fig. 2 is the structure chart of first kind of execution mode of the voice trunked communication system that provides of the utility model, as shown in Figure 2, in execution mode one, the voice trunked communication system comprises: the first speech talkback device 10, first Ethernet interface 20, network cluster server 30, second Ethernet interface 40 and at least one second speech talkback device 50, in described execution mode one, the first speech talkback device 10 passes through first Ethernet interface 20 as transmit leg, network cluster server 30, second Ethernet interface 40 is to the second speech talkback device, 50 transmit audio signals.
Wherein, the described first speech talkback device 10 comprises: audio input interface 101, audio output interface 102, transceiver controller 105, audio coder ﹠ decoder (codec) 103, trunking signal codec 104,
Described audio input interface 101 is connected with described trunking signal codec 104 by described audio coder ﹠ decoder (codec) 103;
Described audio output interface 102 is connected with described trunking signal codec 104 by described audio coder ﹠ decoder (codec) 103;
Described transceiver controller 105 is connected with described audio coder ﹠ decoder (codec) 103, trunking signal codec 104 respectively;
Described audio input interface 101, be used for audio signal is converted to the signal of telecommunication, described audio signal is the local audio signal that is sent to the second speech talkback device 50 in advance that the first speech talkback device 10 receives, and in the present embodiment, audio input interface can be microphone.
Described transceiver controller 105 is used for the state that described audio coder ﹠ decoder (codec) 103, described trunking signal codec 104 are set to send;
Described audio coder ﹠ decoder (codec) 103, the signal of telecommunication compressed encoding that is used for described audio input interface 101 is a data flow;
Described trunking signal codec 104, be used for being sent to first Ethernet interface 20 after the data flow mixing with signaling code and described audio coder ﹠ decoder (codec) 103, wherein, described signaling code is produced by the operating state of trunking signal codec 104 according to user's operation and system.
Described first Ethernet interface 20 is used for mixed signal with the first speech talkback device 10 and is packaged into packet and is sent to the Internet;
Described second Ethernet interface 40 is used for packet is resolved to mixed signal and described mixed signal is sent to the second speech talkback device 50;
The described second speech talkback device 50 comprises: audio input interface 501, audio output interface 502, transceiver controller 505, audio coder ﹠ decoder (codec) 503, trunking signal codec 504,
Described audio input interface 501 is connected with described trunking signal codec 504 by described audio coder ﹠ decoder (codec) 503;
Described audio output interface 502 is connected with described trunking signal codec 504 by described audio coder ﹠ decoder (codec) 503;
Described transceiver controller 505 is connected with described audio coder ﹠ decoder (codec) 503, trunking signal codec 504 respectively;
Described transceiver controller 505 is used for the state that described audio coder ﹠ decoder (codec) 503, described trunking signal codec 504 are set to receive;
Described trunking signal codec 504 is used for the mixed signal of Ethernet interface 40 is decomposed into signaling code and data flow;
Described audio coder ﹠ decoder (codec) 503 is used for the data flow of described trunking signal codec 504 is decoded as the signal of telecommunication;
It is audio signal that described audio output interface 502 is used for electrical signal conversion, and in execution mode one, described audio output interface 502 is a loud speaker.The audio signal that herein obtains is the audio signal that transmits in the first speech talkback device 10, thereby has realized the audio signal in the first speech talkback device 10 is sent to the second speech talkback device 50 by first Ethernet interface 20, network cluster server 30, second Ethernet interface 40.
Fig. 3 is the structure chart of second kind of execution mode of the voice trunked communication system that provides of the utility model, as shown in Figure 3, in execution mode two, the voice trunked communication system comprises: the first speech talkback device 11, network cluster server 21 and at least one the second speech talkback device, 31, the first speech talkback device 11 pass through network cluster server 21 to the second speech talkback device, 31 transmit audio signals as transmit leg.
Wherein, the described first speech talkback device 11 comprises: audio input interface 111, audio output interface 112, audio coder ﹠ decoder (codec) 113, trunking signal codec 114, transceiver controller 115, Ethernet interface 116,
Described audio input interface 111 is connected with described trunking signal codec 114 by described audio coder ﹠ decoder (codec) 113;
Described audio output interface 112 is connected with described trunking signal codec 114 by described audio coder ﹠ decoder (codec) 113;
Described transceiver controller 115 is connected with described audio coder ﹠ decoder (codec) 113, trunking signal codec 114 respectively;
Described Ethernet interface 116 is connected with trunking signal codec 114;
Described transceiver controller 115 is used for the state that described audio coder ﹠ decoder (codec) 113, described trunking signal codec 114 are set to send;
The signal of telecommunication compressed encoding that audio coder ﹠ decoder (codec) 113 is used for described audio input interface 111 is a data flow, and the data flow after will encoding is sent to trunking signal codec 114;
Described trunking signal codec 114, be used for being sent to Ethernet interface 116 after the data flow mixing with signaling code and described audio coder ﹠ decoder (codec) 113, wherein, described signaling code is produced by the operating state of trunking signal codec 114 according to user's operation and system.
Described Ethernet interface 116 is used for mixed signal with described trunking signal codec 114 and is packaged into packet and is sent to the Internet;
The described second speech talkback device 31 comprises: Ethernet interface 316, transceiver controller 315, trunking signal codec 314, audio coder ﹠ decoder (codec) 313, audio output interface 312, audio input interface 311.
Wherein, described audio input interface 311 is connected with described trunking signal codec 314 by described audio coder ﹠ decoder (codec) 313;
Described audio output interface 312 is connected with described trunking signal codec 314 by described audio coder ﹠ decoder (codec) 313;
Described trunking signal codec 314 is connected with Ethernet interface 316;
Described transceiver controller 315 is connected with described audio coder ﹠ decoder (codec) 313, described trunking signal codec 314 respectively.
Described Ethernet interface 316 is used for packet is resolved to mixed signal and described mixed signal is sent to described trunking signal codec 314;
Described transceiver controller 315 is used for the state that described audio coder ﹠ decoder (codec) 313, described trunking signal codec 314 are set to receive;
Described trunking signal codec 314 is used for the mixed signal of Ethernet interface 316 is decomposed into signaling code and data flow;
Described audio coder ﹠ decoder (codec) 313 is used for the data flow of described trunking signal codec 314 is decoded as the signal of telecommunication;
Described audio output interface 312, being used for electrical signal conversion is audio signal, in execution mode two, described audio output interface 312 is a loud speaker.The audio signal that herein obtains is the audio signal that transmits in the first speech talkback device, thereby has realized the audio signal in the first speech talkback device 11 is sent to the second speech talkback device 31 by network cluster server 21.
In other execution modes of the voice trunked communication system that the utility model provides, Ethernet interface only can be arranged in the first speech talkback device or with Ethernet interface and only be arranged in the second speech talkback device.The execution mode and the above-mentioned execution mode that Ethernet interface are arranged on one of them among both of the first speech talkback device, the second speech talkback device are similar, repeat no more herein.
Fig. 4 is the circuit theory diagrams of a kind of execution mode of the speech talkback device that provides of the utility model, comprising: be arranged at audio input interface 111 on the same module and audio output interface 112, audio coder ﹠ decoder (codec) 113, trunking signal codec 114, transceiver controller 115, Ethernet interface 116.The circuit theory diagrams of other execution modes of the speech talkback device that the utility model provides similarly repeat no more.
In sum, a kind of speech talkback device, voice trunked communication system that the utility model provides, by audio signal is transferred to the Internet through speech talkback device, Ethernet interface after being packaged into packet, the network cluster server is resolved described packet, and carry out the network channel branch and be equipped with audio signal is forwarded on other speech talkback devices, reduced the transmission of audio signals distortion, and communication location, position, distance are unrestricted, have promoted user experience.
Used specific embodiment in the utility model principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (5)
1. a speech talkback device is characterized in that, described speech talkback device comprises: audio input interface, audio output interface, transceiver controller, audio coder ﹠ decoder (codec), trunking signal codec,
Described audio input interface is connected with described trunking signal codec by described audio coder ﹠ decoder (codec);
Described audio output interface is connected with described trunking signal codec by described audio coder ﹠ decoder (codec);
Described transceiver controller is connected with described audio coder ﹠ decoder (codec), trunking signal codec respectively;
Described audio input interface is used for audio signal is converted to the signal of telecommunication;
Described transceiver controller is used for described audio coder ﹠ decoder (codec), described trunking signal codec and is set to the state that receives or send;
The signal of telecommunication compressed encoding that described audio coder ﹠ decoder (codec) is used for when transmit status described audio input interface is a data flow;
Described trunking signal codec is sent to Ethernet interface after being used for the data flow of signaling code and described audio coder ﹠ decoder (codec) mixed when transmit status;
Described trunking signal codec also is used for the mixed signal of Ethernet interface is decomposed into signaling code and data flow when accepting state;
Described audio coder ﹠ decoder (codec) also is used for the data flow of described trunking signal codec is decoded as the signal of telecommunication when accepting state;
Described audio output interface, being used for electrical signal conversion is audio signal.
2. speech talkback device according to claim 1 is characterized in that, described audio input interface is a microphone.
3. speech talkback device according to claim 1 is characterized in that, described audio output interface is a loud speaker.
4. voice trunked communication system, it is characterized in that, described voice trunked communication system comprises: the first speech talkback device, at least one Ethernet interface, network cluster server and at least one second speech talkback device, and the described first speech talkback device, the second speech talkback device are connected with described Ethernet interface;
The described first speech talkback device, the second speech talkback device comprise: audio input interface, audio output interface, transceiver controller, audio coder ﹠ decoder (codec), trunking signal codec,
The described first speech talkback device is used for and will be sent to Ethernet interface after audio signal and the signaling code mixing;
Described Ethernet interface is used for mixed signal with the described first speech talkback device and is packaged into packet and is sent to the Internet;
Described network cluster server is used for the packet of the Internet is resolved to obtain signaling code and data flow, carries out network channel according to described signaling code and distributes, and again signaling code and data flow is packaged into packet and is sent to Ethernet interface;
Described Ethernet interface also is used for packet is resolved to mixed signal and described mixed signal is sent to the second speech talkback device;
The described second speech talkback device is used for described mixed signal is resolved to obtain audio signal.
5. voice trunked communication system according to claim 4 is characterized in that, described Ethernet interface is arranged in the first speech talkback device and/or the second speech talkback device.
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| CN201120034234XU CN201919154U (en) | 2011-01-31 | 2011-01-31 | Voice talkback device and voice trunking communication system |
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| CN201120034234XU CN201919154U (en) | 2011-01-31 | 2011-01-31 | Voice talkback device and voice trunking communication system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116776A (en) * | 2015-08-21 | 2015-12-02 | 重庆多创电子技术有限公司 | Decoding card |
| CN109391285A (en) * | 2018-10-24 | 2019-02-26 | 杭州帕森科技有限公司 | A kind of multiband police service converged communication system |
| CN111294668A (en) * | 2019-01-28 | 2020-06-16 | 展讯通信（上海）有限公司 | Data transmission method, device and system |
| CN112822568A (en) * | 2020-12-30 | 2021-05-18 | 广东鉴面智能科技有限公司 | Network IP interphone and system |
-
2011
- 2011-01-31 CN CN201120034234XU patent/CN201919154U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116776A (en) * | 2015-08-21 | 2015-12-02 | 重庆多创电子技术有限公司 | Decoding card |
| CN109391285A (en) * | 2018-10-24 | 2019-02-26 | 杭州帕森科技有限公司 | A kind of multiband police service converged communication system |
| CN111294668A (en) * | 2019-01-28 | 2020-06-16 | 展讯通信（上海）有限公司 | Data transmission method, device and system |
| CN112822568A (en) * | 2020-12-30 | 2021-05-18 | 广东鉴面智能科技有限公司 | Network IP interphone and system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20190131 |