CN202395846U - Device for connecting satellite set-top box with normal telephone to realize call - Google Patents
Device for connecting satellite set-top box with normal telephone to realize call Download PDFInfo
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- CN202395846U CN202395846U CN2012200235234U CN201220023523U CN202395846U CN 202395846 U CN202395846 U CN 202395846U CN 2012200235234 U CN2012200235234 U CN 2012200235234U CN 201220023523 U CN201220023523 U CN 201220023523U CN 202395846 U CN202395846 U CN 202395846U
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Abstract
The utility model discloses a device for connecting a satellite set-top box with a normal telephone to realize call. Based on a voice communication link of the satellite set-top box, the device for realizing call converts voice output quantity of the voice communication link into a subscriber line interface circuit signal receivable for a normal telephone. The device for realizing call comprises a processor unit, an audio conversion unit and a post-processing unit; the processor unit is used for generally controlling the logic and the processes; the audio conversion unit is used for converting an audio signal of the satellite set-top box into a signal needed for the post-processing unit; and the post-processing unit, under the control of the processor unit, is used for converting the signal of the audio conversion unit into the signal usable for the telephone. The device for connecting the satellite set-top box with the normal telephone to realize call solves the defect that a general communication device cannot effectively eliminate the interface of the GSM (Global System for Mobile Communications) radio frequency to an analogue signal, cannot perform voice transmission with high quality and cannot be realized at low cost.
Description
Technical field
The utility model relates to satellite conversation field, relates in particular to a kind of satellite set top box and the equipment of ordinary telephone set to realize conversing of connecting.
Background technology
In June, 2008; China's " No. 9, culminant star " direct broadcasting satellite succeeds in sending up; Its Channel Transmission standard adopts China to research and develop, possess the ABS-S (Vanguard satellite broadcast system) of independent intellectual property right voluntarily, to the ground reception of this direct broadcasting satellite corresponding live star STB need be installed.Logical in order to realize radio and television village village, country's receiving equipment that 3,400,000,000 yuan of buyings are master with live star STB of will providing funds, the thorough task of completion TV blind area covering in 2010.The Eleventh Five-Year Plan period; Live star STB is all popularized at 2200 general-purpose families, the whole nation; The live star of first phase " the village village is logical " system has used the transponder of 4 54M bandwidth, possesses the ability of the clear digital television program of maximum broadcast 48 cover SDs, 48 cover stereo broadcasting programs and data broadcast service, and the transponder of remaining 18 36MHz bandwidth is idle; For utilizing satellite resource better, estimate to utilize from now on the residue transponder to broadcast HD digital TV programme or charge program.
In carried out new " 12 ", SARFT(The State Administration of Radio and Television) widelyd popularize practicable " live star " project more, and using live star STB is with satellite, and for example the conversion of signals of " No. 9, culminant star " transmission becomes video-audio signal to be applicable to the reception of television set.Live star STB has specifically comprised equipment and equipment such as STB, antenna, tuner, locating module (being the GSM/GPRS module), feeder cable.
Locating module wherein (being the GSM/GPRS module) utilizes series of algorithms such as location, GSM base station, and the residing geographical position of STB is positioned locking, acts on when STB leaves the direct broadcasting satellite coverage of having authorized and can't use.
Because locating module (being the GSM/GPRS module) possesses the function that can call through the GSM network simultaneously; And use the terminal use of live star STB; Mainly be to be in non-densely populated area mostly, particularly in vast rural area, mountain area and outlying district, promptly cable TV network can not region covered; There is not the covering of landline telephone spider lines mostly yet, promptly can't the convenient situation that must carry out communication.
So the utility model is intended to utilize the profound level of locating module (being the GSM/GPRS module) to be worth; Promptly can doublely do communication function; For the terminal use of vast live star STB provides a kind of convenient reliable communication modes, overcome general verbal system and can not effectively must get rid of the GSM radio frequency the interference of analog signal, the shortcoming that can not high-qualityly carry out voice transfer and can not realize with lower cost.
Summary of the invention
The purpose of the utility model is to propose a kind of satellite set top box and ordinary telephone set of connecting to realize the equipment of conversation, can overcome general verbal system and can not effectively must get rid of the GSM radio frequency to the interference of analog signal, the shortcoming that can not high-qualityly carry out voice transfer, can not realize with lower cost.
For reaching this purpose, the utility model adopts following technical scheme:
A kind of satellite set top box and the equipment of ordinary telephone set of connecting to realize conversing; This realizes the speech communication link of the equipment utilization satellite set top box of conversation; Convert its voice output amount into SLIC signal that ordinary telephone set can receive, the equipment of this realization conversation comprises processor unit, audio conversion unit and post-processing unit; Said processor unit is used for the control of master control logic and process; Said audio conversion unit converts the audio signal of said satellite set top box to said post-processing unit required signal; Said post-processing unit through the control of said processor unit, becomes the utilizable signal of said telephone set with the conversion of signals of said audio conversion unit.
Preferably, the input of the equipment of this realization conversation connects the speech communication link of the locating module (being the GSM/GPRS module) that is satellite set top box inside.
Preferably; Said processor unit is the MCU unit; Provide universal asynchronous reception/dispensing device (UART) interface and said locating module (the being the GSM/GPRS module) information of carrying out to intersect transmission, provide Serial Peripheral Interface (SPI) and the said post-processing unit information of carrying out to intersect transmission simultaneously.
Preferably, said audio conversion unit converts audio analog signals into digital pulse-code modulation (PCM) signal, offers said post-processing unit then.
Preferably, this converting unit comprises pulse-code modulation (PCM) clock generating circuit and pulse-code modulation coder (PCM-CODEC); Said pulse-code modulation (PCM) clock generating circuit produces required 8K and the 2MHz synchronised clock of pulse-code modulation (PCM) system; Said pulse-code modulation coder (PCM-CODEC) converts voice analog signal to pulse-code modulation (PCM) digital signal.
Preferably, said post-processing unit comprises SLIC (SLIC) chip and preposition SLIC (SLIC-FRONT) chip; Said SLIC (SLIC) chip; Convert pulse-code modulation (PCM) digital signal to the SLIC signal; And built-in multisound and double-frequency (DTMF); Multisound and double-frequency is carried out encoding and decoding, and said preposition SLIC (SLIC-FRONT) chip is used for driving said SLIC (SLIC) chip.
Preferably, utilize said MCU to carry out logic control and process is regulated and control said SLIC (SLIC) chip and said preposition SLIC (SLIC-FRONT) chip.
Description of drawings
Fig. 1 is the system configuration sketch map of the utility model;
Fig. 2 is the post-processing unit structural representation of the utility model;
Fig. 3 is the system configuration sketch map of the embodiment of the utility model.
Embodiment
Further specify the technical scheme of the utility model below in conjunction with accompanying drawing and through embodiment.
A kind of satellite set top box and the equipment 102 of ordinary telephone set of connecting as shown in Figure 1 to realize conversing; The equipment 102 of this realization conversation utilizes the speech communication link of satellite set top box 101; Convert its voice output amount into SLIC signal that ordinary telephone set 103 can receive, the equipment 102 of this realization conversation comprises processor unit 201, audio conversion unit 202 and post-processing unit 203; Said processor unit 201 is used for the control of master control logic and process; Said audio conversion unit 202 converts the audio signal of satellite set top box 101 to said post-processing unit 201 required signal; Said post-processing unit 203 through the control of said processor unit 201, becomes said telephone set 103 utilizable signals with the conversion of signals of said audio conversion unit 202.
Further; The input of the equipment 102 of this realization conversation connects the speech communication link of the locating module (being the GSM/GPRS module) that is satellite set top box 101 inside; Preferably, this satellite set top box 101 is the live star STBs of broadcasting and TV, and also present just SARFT(The State Administration of Radio and Television) is wideling popularize.
Further; Said processor unit 201 is MCU unit; Preferably; That said MCU adopts is model N79E8132AS16, provides universal asynchronous reception/dispensing device (UART) interface and said locating module (the being the GSM/GPRS module) information of carrying out to intersect transmission, provides Serial Peripheral Interface (SPI) and the said post-processing unit information of carrying out to intersect transmission simultaneously.
Further, said audio conversion unit 202 converts audio analog signals into digital pulse-code modulation (PCM) signal, offers said post-processing unit 203 then.
Further, this audio conversion unit 202 comprises pulse-code modulation (PCM) clock generating circuit and pulse-code modulation coder (PCM-CODEC); Said pulse-code modulation (PCM) clock generating circuit produces required 8K and the 2MHz synchronised clock of pulse-code modulation (PCM) system; Preferably, said pulse-code modulation coder (PCM-CODEC), employing be the W681310 model, convert voice analog signal to pulse-code modulation (PCM) digital signal.
Further, as shown in Figure 2, said post-processing unit 203 comprises SLIC (SLIC) chip and preposition SLIC (SLIC-FRONT) chip; Preferably, said SLIC (SLIC) chip, employing be the N68138 model; Convert pulse-code modulation (PCM) digital signal to the SLIC signal, and built-in multisound and double-frequency (DTMF), multisound and double-frequency is carried out encoding and decoding; Said preposition SLIC (SLIC-FRONT) chip; Preferably, employing be the N681622 model, be used for driving said SLIC (SLIC) chip.
Further, utilize said MCU to carry out logic control and process is regulated and control said SLIC (SLIC) chip and said preposition SLIC (SLIC-FRONT) chip.
In order better to understand above-mentioned technical scheme, give a concrete embodiment below:
As shown in Figure 3,302 are a kind of live star satellite set top box and the equipment of ordinary telephone set to realize conversing, i.e. speech packet of connecting; Said speech packet 302 comprises a MCU401: model is N79E8132AS16, a pulse-code modulation coder (PCM-CODEC) 402: model is W681310, a SLIC (SLIC) chip 403: model is N68138 and a preposition SLIC (SLIC-FRONT) chip 404: model is N681622.The locating module of broadcasting and TV direct broadcasting satellite STB 301 (being GSM/GPRS) possesses the function that can call through the GSM network, and the speech communication link of locating module (being GSM/GPRS) is connected with said speech packet 302.Said MCU401 carries out the process regulation and control as master control logic to said SLIC (SLIC) chip 403; Provide universal asynchronous reception/dispensing device (UART) interface and said locating module (being GSM/GPRS) to intersect transmission, provide Serial Peripheral Interface (SPI) and said SLIC (SLIC) chip to intersect transmission simultaneously.Said pulse-code modulation coder (PCM-CODEC) 402 converts voice analog signal to pulse-code modulation (PCM) digital signal.Said SLIC (SLIC) chip 403 and said preposition SLIC (SLIC-FRONT) chip 404; Convert pulse-code modulation (PCM) digital signal to the SLIC signal; And built-in multisound and double-frequency (DTMF) module, multisound and double-frequency is encoded.
When said locating module (being GSM/GPRS) has the phone incoming call, send a kind of Modem commands language (AT instruction) and give said MCU401, said subsequently ordinary telephone set 303 rings; Pick up the telephone; Said MCU401 sends to said locating module (being GSM/GPRS) with a kind of Modem commands language (AT instruction); Audio signal is carried out conversion of signals and is connected phone through said pulse-code modulation coder (PCM-CODEC), said SLIC (SLIC) chip 403 and said preposition SLIC (SLIC-FRONT) chip 404 subsequently.
When the machine of picking up the telephone is made a phone call; Said MCU401 forms a kind of Modem commands language (AT instruction) with number and sends to said locating module (being GSM/GPRS) and connect; After the connection; Said pulse-code modulation coder (PCM-CODEC), said SLIC (SLIC) chip 403 and said preposition SLIC (SLIC-FRONT) chip 404 carry out conversion of signals and connect phone.
Above-mentioned preferred embodiment and the institute's application technology principle that is merely the utility model; Any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses; The conversion that can expect easily or replacement, all should be encompassed in the utility model protection range in.
Claims (7)
1. one kind connects satellite set top box and the equipment of ordinary telephone set to realize conversing; This realizes the speech communication link of the equipment utilization satellite set top box of conversation; Convert its voice output amount into SLIC signal that ordinary telephone set can receive; It is characterized in that the equipment of this realization conversation comprises processor unit, audio conversion unit and post-processing unit; Said processor unit is used for the control of master control logic and process; Said audio conversion unit converts the audio signal of said satellite set top box to said post-processing unit required signal; Said post-processing unit through the control of said processor unit, becomes the utilizable signal of said telephone set with the conversion of signals of said audio conversion unit.
2. a kind of satellite set top box and ordinary telephone set of connecting according to claim 1 is characterized in that to realize the equipment of conversation what the input of the equipment of this realizations conversation was adopted is the speech communication link connection of the inner locating module of satellite set top box.
3. a kind of satellite set top box and the equipment of ordinary telephone set of connecting according to claim 1 to realize conversing; It is characterized in that; Said processor unit is the MCU unit; Provide universal asynchronous reception/dispensing device interface and the said locating module information of carrying out to intersect transmission, provide Serial Peripheral Interface and the said post-processing unit information of carrying out to intersect transmission simultaneously, the model that said MCU adopts is N79E8132AS16.
4. a kind of satellite set top box and the equipment of ordinary telephone set to realize conversing of connecting according to claim 1 is characterized in that said audio conversion unit converts audio analog signals into digital PCM signaling, offers said post-processing unit then.
5. a kind of satellite set top box and the equipment of ordinary telephone set to realize conversing of connecting according to claim 4 is characterized in that said audio conversion unit comprises pulse-code modulation clock generating circuit and pulse-code modulation coder; Said pulse-code modulation clock generating circuit produces required 8K and the 2MHz synchronised clock of pulse code modulating system (PCM System); Said pulse-code modulation coder converts voice analog signal to the pulse code modulation digital signal.
6. a kind of satellite set top box and the equipment of ordinary telephone set to realize conversing of connecting according to claim 1 is characterized in that said post-processing unit comprises SLIC chip and preposition SLIC chip; The model that said preposition SLIC chip adopts is N681622; Said SLIC chip; The pulse code modulation digital conversion of signals is become the SLIC signal; Use for telephone set, and built-in multisound and double-frequency, multisound and double-frequency is carried out encoding and decoding; Said preposition SLIC chip is used for driving said SLIC chip, and the model that said SLIC chip adopts is N68138.
7. a kind of satellite set top box and the equipment of ordinary telephone set of connecting according to claim 6 to realize conversing; It is characterized in that, utilize said processor unit to carry out logic control and process is regulated and control said SLIC chip and said preposition SLIC chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200235234U CN202395846U (en) | 2012-01-18 | 2012-01-18 | Device for connecting satellite set-top box with normal telephone to realize call |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200235234U CN202395846U (en) | 2012-01-18 | 2012-01-18 | Device for connecting satellite set-top box with normal telephone to realize call |
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| Publication Number | Publication Date |
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| CN202395846U true CN202395846U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200235234U Expired - Fee Related CN202395846U (en) | 2012-01-18 | 2012-01-18 | Device for connecting satellite set-top box with normal telephone to realize call |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868470A (en) * | 2012-09-01 | 2013-01-09 | 合肥移瑞通信技术有限公司 | DBS (direct broadcast satellite) wireless voice communication system |
| CN104184913A (en) * | 2013-05-27 | 2014-12-03 | 成都林海电子有限责任公司 | VSAT network-based gateway station voice processing method |
| CN106571861A (en) * | 2016-10-20 | 2017-04-19 | 深圳市龙腾飞通讯装备技术有限公司 | Satellite telephone capable of connecting common telephone set to serve as extension set |
-
2012
- 2012-01-18 CN CN2012200235234U patent/CN202395846U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868470A (en) * | 2012-09-01 | 2013-01-09 | 合肥移瑞通信技术有限公司 | DBS (direct broadcast satellite) wireless voice communication system |
| CN104184913A (en) * | 2013-05-27 | 2014-12-03 | 成都林海电子有限责任公司 | VSAT network-based gateway station voice processing method |
| CN106571861A (en) * | 2016-10-20 | 2017-04-19 | 深圳市龙腾飞通讯装备技术有限公司 | Satellite telephone capable of connecting common telephone set to serve as extension set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20150118 |
|
| EXPY | Termination of patent right or utility model |