CN103686034A - Multimedia transmission system and method - Google Patents
Multimedia transmission system and method Download PDFInfo
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- CN103686034A CN103686034A CN201210349070.9A CN201210349070A CN103686034A CN 103686034 A CN103686034 A CN 103686034A CN 201210349070 A CN201210349070 A CN 201210349070A CN 103686034 A CN103686034 A CN 103686034A
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Abstract
The invention discloses a multimedia transmission system and a multimedia transmission method. The multimedia transmission system comprises a conversion module which is connected with an intelligent mobile phone and is used for receiving a multimedia output by the intelligent mobile phone and converting the format of the received multimedia into an HDMI (high-definition multimedia interface) format, a wireless emission module which is connected with the conversion module and is used for converting the read multimedia from the HDMI format into a WHDI (wireless home digital interface) format and emitting the multimedia with the WHDI format, and a wireless receiving module which is connected with a player and is used for receiving the multimedia with the WHDI format, converting the multimedia from the WHDI format into the HDMI format and outputting the multimedia to the player for playing. According to the technical scheme disclosed by the invention, the player can be used for playing the high-definition multimedia in the intelligent mobile phone, and the user experience is enhanced. Furthermore, aiming at different intelligent mobile phones, a user only needs to select the corresponding conversion modules instead of making any change to the intelligent mobile phone or the player, so that the cost is also reduced.
Description
Technical field
The present invention relates to field of video transmission, relate in particular to a kind of multi-media transmission system and method.
Background technology
Along with the development of smart mobile phone, although present smart mobile phone can play multimedia, because being subject to the restriction of its screen size, can not make user enjoy well the good experience that video brings.In addition, there is high definition player in present most of families, and therefore, people urgently wish the content of multimedia in mobile phone to play in player, to improve user, experience.
Summary of the invention
The technical problem to be solved in the present invention is, the defect that content of multimedia in mobile phone can not be play in player for the above-mentioned prior art of prior art, a kind of multi-media transmission system and method are provided, the content of multimedia in smart mobile phone can be play in player.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of multi-media transmission system, for by the multimedia transmission of smart mobile phone to player, described multi-media transmission system comprises:
The modular converter being connected with smart mobile phone, for receiving the multimedia of smart mobile phone output, and converts received multimedia form to HDMI form;
The wireless transmitter module being connected with described modular converter, for converting the multimedia of read HDMI form the multimedia of WHDI form to, and launches the multimedia of described WHDI form; And
The wireless receiving module being connected with described player, for receiving the multimedia of described WHDI form, and converts the multimedia of described WHDI form to the multimedia of HDMI form, to export player to, plays.
In multi-media transmission system of the present invention, described smart mobile phone is connected by data wire with described modular converter.
In multi-media transmission system of the present invention, described modular converter is connected by HDMI cable with described wireless transmitter module; Described wireless receiving module is connected by HDMI cable with described player.
In multi-media transmission system of the present invention, described modular converter also comprises processor and the HDMI interface being connected, and described HDMI interface comprises:
The detection port whether accessing for detection of smart mobile phone;
For receiving the mains switch port of the power supply starting signal of user's input;
For receive user input to code enabling signal to code switch port.
In multi-media transmission system of the present invention, described HDMI interface also comprises:
Power supply indicator port for out-put supply index signal;
Video indicator light port for output video transmission index signal.
The present invention also constructs a kind of multimedia transmission method, for by the multimedia transmission of smart mobile phone to player, comprising:
A. modular converter receives the multimedia of smart mobile phone output, and converts received multimedia form to HDMI form;
B. wireless transmitter module reads the multimedia of HDMI form, and converts the multimedia of read HDMI form the multimedia of WHDI form to, and launches the multimedia of described WHDI form;
C. wireless receiving module receives the multimedia of described WHDI form, and the multimedia of described WHDI form is converted to the multimedia of HDMI form, to export player to, plays.
In multimedia transmission method of the present invention, before described steps A, also comprise:
D. whether modular converter detection smart mobile phone accesses, and if so, carries out next step, if not, performs step E;
Whether E. modular converter is waited for Preset Time, again detect smart mobile phone and access, and if so, carries out next step; If not, standby.
In multimedia transmission method of the present invention, after step D and before steps A, also comprise:
F. smart mobile phone reads EDID information from modular converter, and determines to the multimedia form of modular converter output.
In multimedia transmission method of the present invention, after step D and before step F, also comprise:
G. smart mobile phone authenticates modular converter, if authentication is passed through, performs step F; If authentication can't pass, finish.
In multimedia transmission method of the present invention, before described step D, also comprise:
Modular converter after the signal of startup that receives user input, the working power of opening processor;
The power initiation of processor Control peripheral circuit;
Carry out initialization.
Implement technical scheme of the present invention, first in smart mobile phone side, modular converter becomes HDMI form by the multimedia format conversion in smart mobile phone, and then wireless transmitter module converts the multimedia of HDMI form to WHDI form, re-sends to player side.The wireless receiving module of player side converts the multimedia of received WHDI form to HDMI form, then exports player to and plays.Therefore, can realize with player and play the high-definition multimedia in smart mobile phone like this, greatly improve user's experience.And, for different smart mobile phones, only need to select corresponding modular converter, and need not do any change to wireless transmitter module, smart mobile phone or player, so applicability is larger, also greatly provides cost savings.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the logic diagram of multi-media transmission system embodiment mono-of the present invention;
Fig. 2 is the circuit diagram of smart mobile phone and modular converter embodiment mono-in multi-media transmission system of the present invention;
Fig. 3 is the flow chart of multimedia transmission method embodiment mono-of the present invention;
Fig. 4 is the flow chart of multimedia transmission method embodiment bis-of the present invention.
Embodiment
For prior art, the content of multimedia in smart mobile phone cannot be transferred to the defect of playing in player, the present invention constructs a kind of multi-media transmission system, content of multimedia in smart mobile phone can be transferred to player, player is such as being television set, projector etc.The logic diagram of multi-media transmission system embodiment mono-of the present invention as shown in Figure 1, this multi-media transmission system comprises modular converter 10, wireless transmitter module 20 and wireless receiving module 30, wherein, modular converter 10 is connected by data wire with smart mobile phone, and data wire is definite by the brand of smart mobile phone, for example, if smart mobile phone is Iphone mobile phone, can pass through Port (dock connector) and connect, if smart mobile phone is Samsung mobile phone, can connect by micro USB.And, this modular converter 10 is for receiving the multimedia of smart mobile phone output, and converting received multimedia form to HDMI form, the multimedia form of smart mobile phone output can be DP (for example Iphone mobile phone), MHL (for example Samsung mobile phone).Wireless transmitter module 20 is connected with modular converter 10, for example, by HDMI cable, connects, and this wireless transmitter module 20 is for converting the multimedia of read HDMI form the multimedia of WHDI form to, and launches the multimedia of WHDI form.Working frequency range for example has: 5.15GHz-5.25GHz, 5.25GHz-5.35GHz, 5.47GHz-5.725GHz, 5.725GHz-5.850GHz, modulation system can adopt OFDM 16-QAM.Wireless receiving module 30 is connected with player, and this wireless receiving module 30 is for receiving the multimedia of WHDI form, and the multimedia of WHDI form is converted to the multimedia of HDMI form, to export player to, plays.
Implement this technical scheme, first in smart mobile phone side, modular converter becomes HDMI form by the multimedia format conversion in smart mobile phone, then wireless transmitter module converts the multimedia of HDMI form to WHDI form again, re-send to player side, wireless receiving module converts the multimedia of received WHDI form to HDMI form, then exports player to and plays.Therefore, can realize with player and play the content of multimedia in smart mobile phone like this, greatly improve user's experience.And, for different smart mobile phones, only need to select corresponding modular converter, and need not do any change to smart mobile phone or player, therefore also greatly provide cost savings.
Fig. 2 is the circuit diagram of smart mobile phone and modular converter embodiment mono-in multi-media transmission system of the present invention, this modular converter comprises processor and the HDMI interface being connected, compare with existing HDMI standard interface, HDMI interface in this embodiment also comprises: detection port (Iphone detect, the present embodiment be take Ipnone mobile phone as example), mains switch port (PowerButton), to code switch port (Button), power supply indicator port (Power_LED), video indicator light port (Video_LED), network indicator light port (MAC_LED), reseting port (RST), I2C port (I2C), in addition, also reserve a road port.Wherein, detection port connects smart mobile phone, for detection of smart mobile phone, whether accesses modular converter; Mains switch port can connect a mains switch (not shown), for receiving the power supply starting signal of user's input; To code switch port, can connect a pair of code switch (not shown), for receive user input to code enabling signal, thereby the frequency of automatic search radio receiving transmitting module; Power supply indicator port can connect an indicator light, for out-put supply index signal, to indicate power supply to power; Video indicator light port can connect an indicator light, for output video transmission index signal, with instruction video, transmits.In addition, network indicator light port can connect an indicator light, is used to indicate network and connects good.I2C port, for control information transmission, carries out initialization.
Fig. 3 is the flow chart of multimedia transmission method embodiment mono-of the present invention, and in conjunction with Fig. 1, this multimedia transmission method comprises:
A. modular converter receives the multimedia of smart mobile phone output, and converts received multimedia form to HDMI form;
B. wireless transmitter module reads the multimedia of HDMI form, and converts the multimedia of read HDMI form the multimedia of WHDI form to, and launches the multimedia of described WHDI form;
C. wireless receiving module receives the multimedia of described WHDI form, and the multimedia of described WHDI form is converted to the multimedia of HDMI form, to export player to, plays.
Fig. 4 is the flow chart of multimedia transmission method embodiment bis-of the present invention, and the multimedia transmission method of this embodiment is compared the embodiment mono-shown in Fig. 3, and difference only, also comprised before steps A:
D. whether modular converter detection smart mobile phone accesses, and if so, performs step G, if not, performs step E;
G. smart mobile phone authenticates modular converter, if authentication is passed through, performs step F; If authentication can't pass, standby.
F. smart mobile phone reads EDID information from modular converter, and determines to the multimedia form of modular converter output, then performs step A;
E. modular converter is waited for Preset Time, for example, 3 minutes, again detect smart mobile phone and whether access, if so, carry out next step; If not, standby.
In a preferred embodiment of multimedia transmission method of the present invention, before step D, also comprise:
Modular converter after the signal of startup that receives user input, the working power of opening processor;
The power initiation of processor Control peripheral circuit;
Carry out initialization.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in claim scope of the present invention.
Claims (10)
1. a multi-media transmission system, for by the multimedia transmission of smart mobile phone to player, it is characterized in that, described multi-media transmission system comprises:
The modular converter being connected with smart mobile phone, for receiving the multimedia of smart mobile phone output, and converts received multimedia form to HDMI form;
The wireless transmitter module being connected with described modular converter, for converting the multimedia of read HDMI form the multimedia of WHDI form to, and launches the multimedia of described WHDI form; And
The wireless receiving module being connected with described player, for receiving the multimedia of described WHDI form, and converts the multimedia of described WHDI form to the multimedia of HDMI form, to export player to, plays.
2. multi-media transmission system according to claim 1, is characterized in that, described smart mobile phone is connected by data wire with described modular converter.
3. multi-media transmission system according to claim 1, is characterized in that, described modular converter is connected by HDMI cable with described wireless transmitter module; Described wireless receiving module is connected by HDMI cable with described player.
4. multi-media transmission system according to claim 1, is characterized in that, described modular converter also comprises processor and the HDMI interface being connected, and described HDMI interface comprises:
The detection port whether accessing for detection of smart mobile phone;
For receiving the mains switch port of the power supply starting signal of user's input;
For receive user input to code enabling signal to code switch port.
5. multi-media transmission system according to claim 4, is characterized in that, described HDMI interface also comprises:
Power supply indicator port for out-put supply index signal;
Video indicator light port for output video transmission index signal.
6. a multimedia transmission method, for by the multimedia transmission of smart mobile phone to player, it is characterized in that, comprising:
A. modular converter receives the multimedia of smart mobile phone output, and converts received multimedia form to HDMI form;
B. wireless transmitter module reads the multimedia of HDMI form, and converts the multimedia of read HDMI form the multimedia of WHDI form to, and launches the multimedia of described WHDI form;
C. wireless receiving module receives the multimedia of described WHDI form, and the multimedia of described WHDI form is converted to the multimedia of HDMI form, to export player to, plays.
7. multimedia transmission method according to claim 6, is characterized in that, before described steps A, also comprises:
D. whether modular converter detection smart mobile phone accesses, and if so, carries out next step, if not, performs step E;
Whether E. modular converter is waited for Preset Time, again detect smart mobile phone and access, and if so, carries out next step; If not, standby.
8. multimedia transmission method according to claim 7, is characterized in that, after step D and before steps A, also comprises:
F. smart mobile phone reads EDID information from modular converter, and determines to the multimedia form of modular converter output.
9. multimedia transmission method according to claim 8, is characterized in that, after step D and before step F, also comprises:
G. smart mobile phone authenticates modular converter, if authentication is passed through, performs step F; If authentication can't pass, finish.
10. multimedia transmission method according to claim 9, is characterized in that, before described step D, also comprises:
Modular converter after the signal of startup that receives user input, the working power of opening processor;
The power initiation of processor Control peripheral circuit;
Carry out initialization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210349070.9A CN103686034A (en) | 2012-09-19 | 2012-09-19 | Multimedia transmission system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210349070.9A CN103686034A (en) | 2012-09-19 | 2012-09-19 | Multimedia transmission system and method |
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| CN103686034A true CN103686034A (en) | 2014-03-26 |
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| CN201210349070.9A Pending CN103686034A (en) | 2012-09-19 | 2012-09-19 | Multimedia transmission system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702911A (en) * | 2014-11-24 | 2015-06-10 | 段然 | Wearable video device real-time wireless transmission method |
| CN105872427A (en) * | 2016-04-29 | 2016-08-17 | 刘圣田 | Wireless HDMI transmitter |
-
2012
- 2012-09-19 CN CN201210349070.9A patent/CN103686034A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702911A (en) * | 2014-11-24 | 2015-06-10 | 段然 | Wearable video device real-time wireless transmission method |
| CN105872427A (en) * | 2016-04-29 | 2016-08-17 | 刘圣田 | Wireless HDMI transmitter |
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