CN101877606A - Wireless high-definition audio and video transmitting set - Google Patents
Wireless high-definition audio and video transmitting set Download PDFInfo
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- CN101877606A CN101877606A CN2010101851332A CN201010185133A CN101877606A CN 101877606 A CN101877606 A CN 101877606A CN 2010101851332 A CN2010101851332 A CN 2010101851332A CN 201010185133 A CN201010185133 A CN 201010185133A CN 101877606 A CN101877606 A CN 101877606A
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Abstract
The invention relates to a wireless high-definition audio and video transmitting set, comprising a front-end high-definition video and audio transmitter module which is connected with a front-end high-gain adaptive planar array antenna; a terminal high-gain adaptive planar array antenna is connected with a terminal high-definition audio and video receiver module; the front-end high-definition video and audio transmitter module acquires one or two paths of high-definition audio and video signals; the high-definition audio and video signals are modulated to a 4.9-5.9GHz frequency band through encoded modulation, and then the modulated signals are transmitted out through the front-end high-gain adaptive planar array antenna; meanwhile, the terminal high-gain adaptive planar array antenna receives the modulated signals, the terminal high-definition audio and video receiver module demodulates the modulated signals into high-definition audio and video signals, and then the high-definition audio and video signals are broadcasted through a receiving terminal. The transmitting set utilizes a wireless transmission mode, thus solving the problem that high-definition equipment is connected by cables, ensuring simple and convenient use of the high-definition equipment and saving the cost.
Description
Technical field
The present invention relates to a kind of high-definition audio and video field of signal transmissions, especially a kind of wireless high-definition audio and video transmitting set.
Background technology
At present, family's high definition device is of a great variety, and the complexity extremely of the connecting line between the high definition device and exquisite, and this numerous and diverse wired connection has not only caused poor mobility, the installation complexity of device end, has also increased the cost that high definition device is used greatly.
Summary of the invention
The purpose of this invention is to provide a kind of device that can wireless transmission high-definition audio and video signal, saved the connecting line between the high definition device.
For achieving the above object, the present invention has adopted following technical scheme: the present invention includes the audio-visual transmitter module of front end high definition, the audio-visual transmitter module of this front end high definition links to each other with front end high-gain self adaptation planar array antenna, and terminal high-gain self adaptation planar array antenna links to each other with terminal high-definition audio and video receiver module.
As shown from the above technical solution, the audio-visual transmitter module of front end high definition gathers one the road or two-way high-definition audio and video signal, through coded modulation, the high-definition audio and video signal is modulated to above the frequency band of 4.9-5.9GHz, by front end high-gain self adaptation planar array antenna, modulated signal is launched then.Simultaneously, terminal high-gain self adaptation planar array antenna receives modulated signal, and terminal high-definition audio and video receiver module is demodulated into the high-definition audio and video signal with the modulated signal that receives, and plays out by receiving terminal again.Adopt Wireless transmission mode, solved between the high definition device and must make high definition device easy to use, saved cost by the problem of cable connection.
Description of drawings
Fig. 1 is a theory diagram of the present invention;
Fig. 2 is the theory diagram of the audio-visual transmitter module of front end high definition of the present invention.
Embodiment
As shown in Figure 1, the present invention includes the audio-visual transmitter module 1 of front end high definition, the audio-visual transmitter module 1 of described front end high definition links to each other with front end high-gain self adaptation planar array antenna 21, and terminal high-gain self adaptation planar array antenna 22 links to each other with terminal high-definition audio and video receiver module 3.
As shown in Figure 2, the audio-visual transmitter module 1 of described front end high definition comprises HDMI controller 4, the control signal of the input termination input signal of described HDMI controller 4 and single-chip microcomputer 5 outputs, described HDMI controller 4 successively with video JSCC encoder 6, OFDM modulator 7, MIMO modulator 8 links to each other, this video JSCC encoder 6, OFDM modulator 7, the input of MIMO modulator 8 connects the control signal of single-chip microcomputer 5 outputs, described video JSCC encoder 6 jointing temp transducers 9, described OFDM modulator 7 connects 4MB memory 10, described MIMO modulator 8 connects the input of 40MHz crystal 11, one end of described MIMO modulator 8 connects phase-locked loop circuit 12 successively, quadrature power splitter 13, the other end connects orthogonal mixer 20 successively, Ba Lun 14, the end of described Ba Lun 14 connects low pass filter 15 successively, radio-frequency (RF) switch connector 16, the other end connects power amplifier 17 successively, band pass filter 18, radio-frequency (RF) switch connector 16, the described radio-frequency (RF) switch connector 16 of establishing connects F antenna 19.
Wherein HDMI controller 4 is responsible for receiving the high-definition signal that high definition program source equipment sends, single-chip microcomputer 5 is responsible for the output control signal, video JSCC encoder 6 is responsible for vision signal is carried out information source-channel combined coding, 7 pairs of high-definition signals of OFDM modulator carry out the OFDM modulation, 8 pairs of high-definition signals of MIMO modulator carry out the MIMO modulation, temperature sensor 9 measuring system temperature, 4MB memory 10 application storings, 40MHz crystal 11 provides reference frequency for local oscillator, orthogonal mixer 20 makes signal carry out quadrature up-conversion and handles, the local oscillation signal of two kinds of quadratures of quadrature power splitter 13 outputs, phase-locked loop circuit 12 is the generation circuit of local oscillator, Ba Lun 14 is converted to single-ended signal with balanced signal, low pass filter 15 filtering secondaries disturb harmonic wave, power amplifier 17 with modulation signal be amplified to can radio transmission power, band pass filter 18 keeps useful signals, radio-frequency (RF) switch connector 16 provides different passages for modulation signal, F antenna 19 radiation modulation signals.
Operation principle of the present invention is: audio-visual transmitter module 1 collection one road or the two-way high-definition audio and video signal of front end high definition, modulate the mode that combines with video JSCC coding by MIMO-OFDM, the high-definition audio and video signal is modulated to above the frequency band of 4.9-5.9GHz, by front end high-gain self adaptation planar array antenna 21, modulated signal is launched then.Simultaneously, terminal high-gain self adaptation planar array antenna 22 receives modulated signals, and terminal high-definition audio and video receiver module 3 is demodulated into the high-definition audio and video signal with the modulated signal that receives, and plays out by receiving terminal again.
Claims (2)
1. wireless high-definition audio and video transmitting set, it is characterized in that: comprise the audio-visual transmitter module of front end high definition (1), the audio-visual transmitter module of described front end high definition (1) links to each other with front end high-gain self adaptation planar array antenna (21), and terminal high-gain self adaptation planar array antenna (22) links to each other with terminal high-definition audio and video receiver module (3).
2. wireless high-definition audio and video transmitting set according to claim 1, it is characterized in that: the audio-visual transmitter module of described front end high definition (1) comprises HDMI controller (4), the control signal of the input termination input signal of described HDMI controller (4) and single-chip microcomputer (5) output, described HDMI controller (4) also successively with video JSCC encoder (6), OFDM modulator (7), MIMO modulator (8) links to each other, this video JSCC encoder (6), OFDM modulator (7), the input of MIMO modulator (8) connects the control signal of single-chip microcomputer (5) output, described video JSCC encoder (6) jointing temp transducer (9), described OFDM modulator (7) connects 4MB memory (10), described MIMO modulator (8) connects the input of 40MHz crystal (11), one end of described MIMO modulator (8) connects phase-locked loop circuit (12) successively, quadrature power splitter (13), the other end connects orthogonal mixer (20) successively, Ba Lun (14), the end of described Ba Lun (14) connects low pass filter (15) successively, radio-frequency (RF) switch connector (16), the other end connects power amplifier (17) successively, band pass filter (18), radio-frequency (RF) switch connector (16), the described radio-frequency (RF) switch connector (16) of establishing connects F antenna (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101851332A CN101877606A (en) | 2010-05-25 | 2010-05-25 | Wireless high-definition audio and video transmitting set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101851332A CN101877606A (en) | 2010-05-25 | 2010-05-25 | Wireless high-definition audio and video transmitting set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101877606A true CN101877606A (en) | 2010-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101851332A Pending CN101877606A (en) | 2010-05-25 | 2010-05-25 | Wireless high-definition audio and video transmitting set |
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| CN (1) | CN101877606A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480608A (en) * | 2010-11-25 | 2012-05-30 | 合肥润东通讯科技有限公司 | Wireless projector transmission device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005067458A2 (en) * | 2003-12-22 | 2005-07-28 | Sony Electronics Inc. | Method and system for wireless digital multimedia |
| CN1885914A (en) * | 2005-06-21 | 2006-12-27 | 海尔集团公司 | Transmitter and receiver for wireless high-definition television signal |
| CN201114507Y (en) * | 2007-09-20 | 2008-09-10 | 厦门华侨电子股份有限公司 | A wireless digital high-definition interface device without compression |
| CN101394490A (en) * | 2007-09-20 | 2009-03-25 | 厦门华侨电子股份有限公司 | Non-compressed transmitting and receiving integrated display device for wireless digital high resolution audio and video signal |
| CN201708796U (en) * | 2010-05-25 | 2011-01-12 | 合肥润东通讯科技有限公司 | Wireless HD video transmission device |
-
2010
- 2010-05-25 CN CN2010101851332A patent/CN101877606A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005067458A2 (en) * | 2003-12-22 | 2005-07-28 | Sony Electronics Inc. | Method and system for wireless digital multimedia |
| CN1885914A (en) * | 2005-06-21 | 2006-12-27 | 海尔集团公司 | Transmitter and receiver for wireless high-definition television signal |
| CN201114507Y (en) * | 2007-09-20 | 2008-09-10 | 厦门华侨电子股份有限公司 | A wireless digital high-definition interface device without compression |
| CN101394490A (en) * | 2007-09-20 | 2009-03-25 | 厦门华侨电子股份有限公司 | Non-compressed transmitting and receiving integrated display device for wireless digital high resolution audio and video signal |
| CN201708796U (en) * | 2010-05-25 | 2011-01-12 | 合肥润东通讯科技有限公司 | Wireless HD video transmission device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480608A (en) * | 2010-11-25 | 2012-05-30 | 合肥润东通讯科技有限公司 | Wireless projector transmission device |
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Application publication date: 20101103 |