CN201805524U - Analog-digital mixed talkback indoor machine based on simulation bus - Google Patents
Analog-digital mixed talkback indoor machine based on simulation bus Download PDFInfo
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- CN201805524U CN201805524U CN2010205540499U CN201020554049U CN201805524U CN 201805524 U CN201805524 U CN 201805524U CN 2010205540499 U CN2010205540499 U CN 2010205540499U CN 201020554049 U CN201020554049 U CN 201020554049U CN 201805524 U CN201805524 U CN 201805524U
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Abstract
The utility model discloses an analog-digital mixed talkback indoor machine based on a simulation bus, comprising a control unit, a communication unit, an audio unit and a display unit and further comprising a video encoding and decoding unit, an audio decoding unit and a storage unit, wherein the video encoding and decoding unit, the audio decoding unit and the storage unit are respectively connected with the control unit; the control unit controls the video encoding and decoding unit to encode video information from the simulation bus or decode video information from the storage unit and sends the video information to the display unit for playing; the control unit controls an audio module to directly display the audio information from the simulation bus or controls the audio decoding unit to decode the video information from the storage unit and sends the decoded video information to the audio module for playing. On the basis of the original simulated talkback indoor machine, the analog-digital mixed talkback indoor machine realizes the function of digital audio-video playing on the basis of the existing simulation bus by adding the video encoding and decoding unit, the audio decoding unit and the storage unit.
Description
Technical field
The utility model belongs to intercommunication indoor set technical field, is specifically related to a kind of modulus mixing intercommunication indoor set based on emulation bus.
Background technology
In recent years, radio communication already develops rapidly, but concerning traditional building talkback indoor set, develops slower.At present domestic building talkback indoor set is still occupied an leading position with traditional intercom and simulation intercom.Traditional building talkback indoor set function singleness that these are commonly used.
See also shown in Figure 1, Fig. 1 is traditional intercommunication indoor set principle of device block diagram, tradition intercommunication indoor set comprises control unit, communication unit, audio unit, emulation bus interface and display unit, control unit is given emulation bus by the communication unit transmitting control commands, emulation bus sends to audio unit and display unit with control command, display unit, audio unit are carried out mains switch control, display unit, when audio unit is in state of activation, the audio-video signal on the emulation bus sends to display unit, audio unit.This intercommunication indoor set can only and only be connected video and the sound of the power supply of display unit, audio unit with the demonstration visitor in conversation or when monitoring.Display unit is generally imitation screen or CRT.This intercommunication indoor set is only just opened audio frequency and video when the intercommunication state, can not control audio-video frequency content, there is not memory cell yet, memory space is little and can not preserve visitor's image, the incoming ring tone that audio unit is play generally all is to be stored in advance in the control unit when dispatching from the factory, and the user can't own replacing.
Therefore, traditional intercommunication indoor set function singleness can't satisfy the user demand of functional diversities, is necessary to be further improved.
The utility model content
The main technical problems to be solved in the utility model provides a kind of modulus mixing intercommunication indoor set based on emulation bus, makes the intercommunication indoor set have the digital sound of broadcast, video capability.
For solving the problems of the technologies described above, a kind of modulus mixing intercommunication indoor set based on emulation bus, comprise control unit, communication unit, audio unit and display unit, also comprise coding and decoding video unit, audio decoding unit and memory cell, described coding and decoding video unit, audio decoding unit and memory cell are connected with described control unit respectively; Described control unit control of video codec unit coding is perhaps decoded from the video information of memory cell from the video information of emulation bus, video information is sent to display unit show; Described control unit is controlled described audio-frequency module and is play-overed audio-frequency information from emulation bus, or described control unit control audio decoding unit decodes is sent to described audio-frequency module and plays from the audio-frequency information of memory cell.
Among one embodiment, described control unit also be used for the video information on the control of video codec unit coding simulation bus and will encode after video information send to memory cell and preserve.
Among one embodiment, described control unit is ARM kernel MCU.
Among one embodiment, described communication unit is the RS-485 communication unit.
Among one embodiment, described display unit is the LCD display unit.
Among one embodiment, described intercommunication indoor set adopts LINUX or WINCE operating system.
Compared with prior art, the utility model by increasing coding and decoding video unit, audio decoding unit and memory cell, based on existing emulation bus, is realized the digital functions such as broadcast of digital sound, video on the basis of original simulation intercommunication indoor set; And owing to be based on existing emulation bus, need not transform circuit, Surveillance center, be easy to upgrade on existing basis, cost is lower.
Further, the intercommunication indoor set can use operating system, and the close friend operates and autgmentability easily to make it have very.
Description of drawings
Fig. 1 is traditional intercommunication indoor set principle of device block diagram;
A kind of modulus mixing intercommunication indoor set theory diagram that Fig. 2 provides for the utility model embodiment one based on emulation bus;
A kind of modulus mixing intercommunication indoor set theory diagram that Fig. 3 provides for the utility model embodiment two based on emulation bus.
Embodiment
In conjunction with the accompanying drawings the utility model is described in further detail below by embodiment.
Embodiment one
See also shown in Figure 2, a kind of modulus mixing intercommunication indoor set theory diagram based on emulation bus that Fig. 2 provides for the utility model embodiment, the intercommunication indoor set comprises control unit, coding and decoding video unit, audio decoding unit, audio unit, communication unit, memory cell and display unit.Described coding and decoding video unit, audio decoding unit and memory cell are connected with described control unit respectively.Audio unit is connected with audio decoding unit.Display unit is connected with control unit.Control unit can be done further processing to the data after the coding and decoding video unit decodes, sends to display unit after the processing again.
When the intercommunication indoor set is in the intercommunication state, described control unit transmitting control commands is given the coding and decoding video unit, control of video codec unit coding is from the video information on the emulation bus, the coding and decoding video cell encoding sends to control unit after from the video information on the emulation bus, sends to display unit after control unit is handled vision signal and shows.Control unit also be used for the video information on the control of video codec unit coding simulation bus and will encode after video information send to memory cell and preserve.
When the intercommunication indoor set is in non-intercommunication state, control unit can also be given the coding and decoding video unit by transmitting control commands, the video information of storing on the control of video codec unit decode stored unit, the vision signal of control unit after with the coding and decoding video unit decodes sends to display unit and shows, can make the intercommunication indoor set realize the function of DPF, MP4 multimedia player, can also when the user stays out, visitor's head portrait be noted, can transfer after the user goes home and check.
When the intercommunication indoor set was in the intercommunication state, the control unit transmitting control commands was given audio unit, and the simulated audio signal on the emulation bus can be play-overed in the control audio unit.
Described control unit can also be given audio decoding unit by transmitting control commands, and the control audio decoding unit decodes is stored in the audio signal on the memory cell.When the intercommunication indoor set was in non-intercommunication state, the audio-frequency information that is stored on the memory cell was play in the control audio unit, realized the function of MP3 multimedia player.Need to prove that audio unit described in the present embodiment comprises necessary parts such as realization sound playing such as power amplifier and loud speaker.
In this enforcement, described coding and decoding video unit is digital codec unit, and audio decoding unit is the digital decoding unit.Described control unit can adopt ARM kernel MCU.Described communication unit is the RS-485 communication unit.Described display unit is the LCD display unit.The intercommunication indoor set also can adopt LINUX or WINCE operating system, and the close friend operates and autgmentability easily to make it have very.
Present embodiment intercommunication indoor set not only has functions such as conversation that traditional intercommunication indoor set has, gate inhibition, warning, further also have and Analog Composite Video broadcast singal (CVBS) vision signal on the emulation bus is converted into digital signal shows, vision signal on the emulation bus can also be kept at this locality, when not intercommunication, can also play sound, the video of local storage, make the intercommunication indoor set have the function of audio plays and video, make the functional diversities of intercommunication indoor set, user experience is greatly improved.
Embodiment two
See also shown in Figure 3ly, the another kind that Fig. 3 provides for the utility model embodiment is with embodiment two differences that based on the modulus mixing intercommunication indoor set theory diagram of emulation bus display unit directly is connected with the coding and decoding video unit.Vision signal behind the coding and decoding video cell encoding directly sends to display unit and shows.
When the intercommunication indoor set is in the intercommunication state, described control unit transmitting control commands is given the coding and decoding video unit, control of video codec unit coding is from the video information on the emulation bus, and the coding and decoding video unit directly sends to display unit with this vision signal and shows; Or in the future send to memory cell after the video information coding of self simulation bus and preserve.
When the intercommunication indoor set was in non-intercommunication state, the video information of storing on the control unit control of video codec unit decode stored unit sent to display unit then and shows.
When the intercommunication indoor set was in the intercommunication state, control unit transmitting control commands control audio unit made audio unit can play-over simulated audio signal on the emulation bus.
Described control unit can also be given audio decoding unit by transmitting control commands, and the control audio decoding unit decodes is stored in the audio signal on the memory cell.When the intercommunication indoor set was in non-intercommunication state, the audio-frequency information that is stored on the memory cell was play in control unit control audio unit, realized the function of MP3 multimedia player.Need to prove that audio unit described in the present embodiment comprises necessary parts such as realization sound playing such as power amplifier and loud speaker.
The digital intercommunication indoor set of present embodiment not only has functions such as conversation that traditional intercommunication indoor set has, gate inhibition, warning, further also have and Analog Composite Video broadcast singal (CVBS) vision signal on the emulation bus is converted into digital signal shows, vision signal on the emulation bus can also be kept at this locality, when not intercommunication, can play sound, the video of local storage, make the intercommunication indoor set have the function of displaying video and audio frequency, make the functional diversities of intercommunication indoor set, user experience is greatly improved.
Above content be in conjunction with concrete execution mode to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (6)
1. modulus mixing intercommunication indoor set based on emulation bus, comprise control unit, communication unit, audio unit and display unit, it is characterized in that, also comprise coding and decoding video unit, audio decoding unit and memory cell, described coding and decoding video unit, audio decoding unit and memory cell are connected with described control unit respectively; Described control unit control of video codec unit coding is perhaps decoded from the video information of memory cell from the video information of emulation bus, video information is sent to display unit show; Described control unit is controlled described audio-frequency module and is play-overed audio-frequency information from emulation bus, or described control unit control audio decoding unit decodes is sent to described audio-frequency module and plays from the audio-frequency information of memory cell.
2. intercommunication indoor set according to claim 1 is characterized in that, described control unit also be used for the video information on the control of video codec unit coding simulation bus and will encode after video information send to memory cell and preserve.
3. according to each described intercommunication indoor set of claim 1 to 2, it is characterized in that described control unit is ARM kernel MCU.
4. according to each described intercommunication indoor set of claim 1 to 2, it is characterized in that described communication unit is the RS-485 communication unit.
5. according to each described intercommunication indoor set of claim 1 to 2, it is characterized in that described display unit is the LCD display unit.
6. according to each described intercommunication indoor set of claim 1 to 2, it is characterized in that, adopt LINUX or WINCE operating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205540499U CN201805524U (en) | 2010-10-09 | 2010-10-09 | Analog-digital mixed talkback indoor machine based on simulation bus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205540499U CN201805524U (en) | 2010-10-09 | 2010-10-09 | Analog-digital mixed talkback indoor machine based on simulation bus |
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| CN201805524U true CN201805524U (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205540499U Expired - Lifetime CN201805524U (en) | 2010-10-09 | 2010-10-09 | Analog-digital mixed talkback indoor machine based on simulation bus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948615A (en) * | 2018-01-09 | 2018-04-20 | 佛山市蓝天网络科技有限公司 | A kind of digital-analog integrated doorway machine |
-
2010
- 2010-10-09 CN CN2010205540499U patent/CN201805524U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948615A (en) * | 2018-01-09 | 2018-04-20 | 佛山市蓝天网络科技有限公司 | A kind of digital-analog integrated doorway machine |
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Nanshan District Nanshan Road, Guangdong City, the new horizons apartment, floor, floor, Patentee after: Shenzhen pan sea Sanjiang electronic Limited by Share Ltd Address before: 518000 Nanshan District Nanshan Road, Guangdong City, the new horizons apartment, floor, floor, Patentee before: Shenzhen Fanhai Sanjiang Electronics Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110420 |