CN205510264U - HDMI codec - Google Patents
HDMI codec Download PDFInfo
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- CN205510264U CN205510264U CN201620048598.6U CN201620048598U CN205510264U CN 205510264 U CN205510264 U CN 205510264U CN 201620048598 U CN201620048598 U CN 201620048598U CN 205510264 U CN205510264 U CN 205510264U
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Abstract
The utility model provides a HDMI codec, including code DSP module, the DSP module of decoding, HDMI receiving module, HDMI sending module, the RS -232 module, USB module and power module, HDMI receiving module is connected with code DSP module, HDMI sending module is connected with the DSP module of decoding, the RS -232 module is connected with the DSP module of decoding with code DSP module respectively, the USB module is connected with the DSP module of decoding with code DSP module respectively, power module is connected with the DSP module of decoding with code DSP module respectively, HDMI codec still includes PHY chip of being connected with code DSP module and the MCU treater of being connected with the DSP module of decoding, external LCD LCD of MCU treater and keyboard. This HDMI codec data transmission is stable, it is effectual to decode, can realize point -to -multipoint transmission.
Description
Technical field
This utility model belongs to technical field of communication equipment, particularly relates to a kind of HDMI codec.
Background technology
HDMI(High Definition Multimedia Interface, the abbreviation of high score numeral multimedia interface) it is based on DVI (Digital Visual
Interface) formulating, can be regarded as strengthening and the extension of DVI, both can be compatible.HDMI can be with the high-resolution video of digital form transmission uncompressed and multichannel audb data in the case of ensureing high-quality.
HDMI can support all of ATSC HDTV standard, the resolution of high image quality 1080p can not only be met, the state-of-the-art digital audio formats such as DVDAudio can also be supported, support the transmission of Eight-channel 96kHz or stereo 192kHz digital audio, and only connect by a HDMI wire, may be used for exempting digital audio wiring.Meanwhile, the additional extension space that HDMI standard is possessed, it allows to apply in the form of the audio or video in the future upgraded.Compared with DVI, the volume of HDMI is less and supports transmission audio frequency and video signal simultaneously.
HDMI is compared with the existing DVI belonging to digital interface together, maximum being modified in that is integrated with video and audio transmission, and interface volume is little, and its motility and convenience relatively have superiority, HDMI only just solves two kinds of outputs with a line, enormously simplify the line of equipment.At present, HDMI signal uses HDMI cable to transmit mostly, and along with the extensive application of high definition product, problems faced also comes one after another.High-definition signal data are relatively big, often run into that transmission range is short, can not transmit the problems such as HDMI signal, RS-232 signal and usb signal, the easy distortion of decoded data, signal to noise ratio is relatively low, decoding effect is poor by single line cable simultaneously in transmitting procedure.
Utility model content
Technical problem to be solved in the utility model is, overcomes the deficiency and defect mentioned in background above technology, it is provided that the transmission of a kind of data is stable, decoding effect is good, can realize the HDMI codec of point to multi--point transmission.
For solving above-mentioned technical problem, the technical scheme that the utility model proposes is:
nullA kind of HDMI codec，Including encoding D SP module、Decoding DSP module、HDMI receiver module、HDMI sending module、RS-232 module、USB module and power module，Described HDMI receiver module is connected with the input of encoding D SP module，Described HDMI sending module is connected with the outfan of decoding DSP module，The outfan of the input of described encoding D SP module and decoding DSP module is all connected with RS-232 module，The outfan of the input of described encoding D SP module and decoding DSP module is all connected with USB module，The power end of described encoding D SP module and decoding DSP module is all connected with power module，Described HDMI codec also includes the PHY chip being connected with described encoding D SP module and the MCU processor being connected with described decoding DSP module both-way communication，Described MCU processor is circumscribed with LCD liquid crystal display and keyboard.
Above-mentioned HDMI codec, it is preferable that described HDMI codec also includes a pll clock source being connected with the input of described decoding DSP module.
Above-mentioned HDMI codec, it is preferable that described HDMI codec also includes an AES receptor being connected with the input of described decoding DSP module, and the input of described AES receptor connects an isolation module.
Above-mentioned HDMI codec, it is preferable that described HDMI codec also includes that FLASH memory module, described encoding D SP module and decoding DSP module are all connected with described FLASH memory module both-way communication.
Above-mentioned HDMI codec, it is preferable that described HDMI codec also includes that DDR memory modules, described encoding D SP module and decoding DSP module are all connected with described DDR memory modules both-way communication.
Compared with prior art, the utility model has the advantage of:
(1) by arranging HDMI sending module, HDMI receiver module, RS-232 module and USB module, encoding D SP module is utilized to be transmitted by network after HDMI signal, RS-232 signal and usb signal are compressed, the network data received is decoded by recycling decoding DSP module, it is reduced into HDMI signal, RS-232 signal and usb signal, achieve simultaneously to HDMI signal, RS-232 signal and the transmission of usb signal, it is achieved that point to multi--point transmits.
(2) by arranging the MCU processor being connected with decoding DSP module both-way communication, and the LCD liquid crystal display external with this MCU processor and keyboard are set, utilize this MCU processor can realize the parameter in decoding DSP module to be set, and by LCD liquid crystal display, parameter is monitored in real time.
(3) by arranging the AES receptor being connected with decoding DSP module and the isolation module being connected with this AES receptor, receive signal by this isolation module and AES receptor, utilize isolation module to reduce noise, improve signal to noise ratio.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the circuit structure schematic block diagram of this utility model HDMI codec.
Marginal data:
1, encoding D SP module；2, decoding DSP module；3, HDMI receiver module；4, HDMI sending module；5, RS-232 module；6, USB module；7, power module；8, MCU processor；9, LCD liquid crystal display；10, keyboard；11, AES receptor；12, isolation module；13, PHY chip；14, DDR memory modules；15, FLASH memory module；16, pll clock source.
Detailed description of the invention
For the ease of understanding this utility model, below in conjunction with Figure of description and preferred embodiment, this utility model is made more comprehensively, described meticulously, but protection domain of the present utility model is not limited to embodiment in detail below.
It should be noted that, when a certain element is described as on " be fixed on, be fixed in, be connected to or be communicated in " another element, it can be directly the most fixing, affixed, connect or connect on another element, it is also possible to be by other intermediate connectors indirectly fixing, affixed, connect or connect on another element.
Unless otherwise defined, the implication that all technical term used hereinafter is generally understood that with those skilled in the art is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to limit protection domain of the present utility model.
Embodiment
As it is shown in figure 1, a kind of embodiment of this utility model HDMI codec, including encoding D SP module 1, decoding DSP module 2, HDMI receiver module 3, HDMI sending module 4, RS-232 module 5, USB module 6 and power module 7.Wherein, HDMI receiver module 3 is connected with the input of encoding D SP module 1, HDMI sending module 4 is connected with the outfan of decoding DSP module 2, the outfan of the input of encoding D SP module and decoding DSP module is all connected with RS-232 module, the outfan of the input of encoding D SP module and decoding DSP module is all connected with USB module, and the power end of encoding D SP module and decoding DSP module is all connected with power module.This HDMI codec also includes the PHY chip 13 being connected with encoding D SP module 1 and the MCU processor 8 being connected with decoding DSP module 2 both-way communication, and this MCU processor 8 is circumscribed with LCD liquid crystal display 9 and keyboard 10.By arranging HDMI receiver module 3, HDMI sending module 4, RS-232 module 5 and USB module 6, encoding D SP module 1 is utilized to be transmitted by network after HDMI signal, RS-232 signal and usb signal are compressed, the network data received is decoded by recycling decoding DSP module 2, it is reduced into HDMI signal, RS-232 signal and usb signal, can realize simultaneously to HDMI signal, RS-232 signal and the transmission of usb signal, realize the point to multi--point to signal to transmit, be greatly improved distance and the stability of signal transmission.By arranging the MCU processor 8 being connected with decoding DSP module 2 both-way communication, and the LCD liquid crystal display 9 external with this MCU processor 8 and keyboard 10 are set, utilize this MCU processor 8 can realize the parameter in decoding DSP module 2 to be set, and by LCD liquid crystal display 9, parameter is monitored in real time.
In the present embodiment, this HDMI codec also includes a pll clock source 16 being connected with the input of decoding DSP module 2 and an AES receptor 11 being connected with the input of decoding DSP module 2.The input of this AES receptor 11 connects an isolation module 12.Receive signal by this isolation module 12 and AES receptor 11, utilize isolation module 12 to reduce signal noise, improve signal to noise ratio.
In the present embodiment, this HDMI codec also includes that DDR memory modules (Double Data Rate synchronous DRAM) 14 and FLASH memory module (flash memories) 15, encoding D SP module 1 and decoding DSP module 2 are all connected with this DDR memory modules 14 and FLASH memory module 15 both-way communication.
Claims (5)
- null1. a HDMI codec，Including encoding D SP module、Decoding DSP module、HDMI receiver module、HDMI sending module、RS-232 module、USB module and power module，Described HDMI receiver module is connected with the input of encoding D SP module，Described HDMI sending module is connected with the outfan of decoding DSP module，The outfan of the input of described encoding D SP module and decoding DSP module is all connected with RS-232 module，The outfan of the input of described encoding D SP module and decoding DSP module is all connected with USB module，The power end of described encoding D SP module and decoding DSP module is all connected with power module，It is characterized in that: described HDMI codec also includes the PHY chip being connected with described encoding D SP module and the MCU processor being connected with described decoding DSP module both-way communication，Described MCU processor is circumscribed with LCD liquid crystal display and keyboard.
- HDMI codec the most according to claim 1, it is characterised in that: described HDMI codec also includes a pll clock source being connected with the input of described decoding DSP module.
- HDMI codec the most according to claim 1, it is characterised in that: described HDMI codec also includes an AES receptor being connected with the input of described decoding DSP module, and the input of described AES receptor connects an isolation module.
- 4. according to the HDMI codec according to any one of claim 1 ~ 3, it is characterised in that: described HDMI codec also includes that FLASH memory module, described encoding D SP module and decoding DSP module are all connected with described FLASH memory module both-way communication.
- 5. according to the HDMI codec according to any one of claim 1 ~ 3, it is characterised in that: described HDMI codec also includes that DDR memory modules, described encoding D SP module and decoding DSP module are all connected with described DDR memory modules both-way communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620048598.6U CN205510264U (en) | 2016-01-19 | 2016-01-19 | HDMI codec |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620048598.6U CN205510264U (en) | 2016-01-19 | 2016-01-19 | HDMI codec |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205510264U true CN205510264U (en) | 2016-08-24 |
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ID=56722566
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620048598.6U Expired - Fee Related CN205510264U (en) | 2016-01-19 | 2016-01-19 | HDMI codec |
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| Country | Link |
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| CN (1) | CN205510264U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111787359A (en) * | 2020-07-30 | 2020-10-16 | 深圳市东明炬创电子有限公司 | 4K coder-decoder of IP stream media |
| CN112612235A (en) * | 2020-12-23 | 2021-04-06 | 卡斯柯信号有限公司 | Reliability protection method for sending real-time scrambling code message of train control center system |
-
2016
- 2016-01-19 CN CN201620048598.6U patent/CN205510264U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111787359A (en) * | 2020-07-30 | 2020-10-16 | 深圳市东明炬创电子有限公司 | 4K coder-decoder of IP stream media |
| CN111787359B (en) * | 2020-07-30 | 2024-09-06 | 深圳市东明炬创电子有限公司 | 4K coder-decoder of IP stream media |
| CN112612235A (en) * | 2020-12-23 | 2021-04-06 | 卡斯柯信号有限公司 | Reliability protection method for sending real-time scrambling code message of train control center system |
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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: 20160824 Termination date: 20170119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |