CN107359893A - A kind of wireless micro- cinema system - Google Patents
A kind of wireless micro- cinema system Download PDFInfo
- Publication number
- CN107359893A CN107359893A CN201710468762.8A CN201710468762A CN107359893A CN 107359893 A CN107359893 A CN 107359893A CN 201710468762 A CN201710468762 A CN 201710468762A CN 107359893 A CN107359893 A CN 107359893A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000005236 sound signal Effects 0.000 claims abstract description 13
- 239000013307 optical fiber Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000004891 communication Methods 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 210000004209 hair Anatomy 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Circuit For Audible Band Transducer (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of wireless micro- cinema system, including the wireless transmitter system and the wireless receiving system for the signal launched for receiving wireless transmitter system for will carry out wireless transmission after audio signal decoding, the wireless transmitter system includes two signal transmitting systems of VISA AV HUB systems and WISA DONGLE systems.The present invention is compared with prior art, the characteristics of with short distance communication, high real-time and high node capacity, and the occupied wave bands of the 5G such as radar wave can be avoided with automatic frequency-hopping, with enough bandwidth, 24BIT hi-fi music can be transmitted, as little as 2.6 milliseconds of sound delay time characteristic is also far superior to other technologies scheme, the wireless communication needs being particularly suited between stereo set, signal stabilization, the feature-rich music that high-fidelity can be enjoyed in the case where not changing original-pack repair, can easily build cinema system.
Description
Technical field
The present invention relates to family expenses and Commercial audio field, and in particular to a kind of wireless micro- cinema system.
Background technology
Traditional AV power amplifiers or home theater promote loudspeaker sounding by horn wire to connect mostly, with wireless technology
Development also have many products by wirelessly to realize audio transmission, main operation principle is that different signal sources is solved
Code is converted into PCM signal using Radio Transmission Technology to realize wireless audio frequency transmission function, wherein traditional AV power amplifiers or home theater lead to
Normal connecting line is more and miscellaneous, different spaces transmission is restricted larger, reduces entity wiring using the home theater of wireless technology
Worry, any collocation between equipment in different spaces is realized, but most of wireless product transmission are to be based on 2.4G at present,
This is the frequency range of a now widely used wireless device, if the equipment such as WIFI, bluetooth is simultaneously using can cause this frequency range
It is very crowded to influence quality of connection and transmit not reaching high-fidelity.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, there is provided one kind can avoid radar wave with automatic frequency-hopping
Deng the occupied wave bands of 5G, there is enough bandwidth, wireless micro- cinema system of 24BIT hi-fi music can be transmitted.
Technical scheme：To achieve the above object, the present invention provides a kind of wireless micro- cinema system, including for audio to be believed
Wireless transmitter system that wireless transmission is carried out after number decoding and the signal launched for receiving wireless transmitter system
Wireless receiving system, the wireless transmitter system include two signal hairs of VISA AV HUB systems and WISADONGLE systems
Penetrate system；
The VISAAVHUB systems include HDMI transceiver modules, receiver module, digital signal processing module, SUMMIT hairs
Module, bluetooth module, display unit module and emission system control module are penetrated, the emission system control module respectively connected
HDMI transceiver modules, receiver module, digital signal processing module, bluetooth module and display unit module, the digital processing mould
Block respectively connected HDMI transceiver modules, receiver module and SUMMIT transmitter modules, and the HDMI transceiver modules are set
There are at least one HDMI input interfaces and a HDMI output interface, the receiver module is provided with analogue audio frequency input and connect
Mouthful；
The WISADONGLE systems include usb audio decoder, ADC mode converter, signal switching module, SUMMIT
Transmitter module, display unit module and emission system control module, the emission system control module respectively connected usb audio
Decoder, ADC mode converter, signal switching module and display unit module, the signal switching module respectively connected USB
Audio decoder, ADC mode converter and SUMMIT transmitter modules, the usb audio decoder is provided with USB interface, described
ADC mode converter is provided with analogue audio frequency input port；
The wireless receiving system includes reception system control module, SUMMIT receiving modules, PWM controller module, work(
Rate amplification module and LED display module, the reception system control module respectively connected SUMMIT receiving modules, PWM controls
Device module and LED display module, the SUMMIT receiving modules are connected to PWM controller module, and the PWM controller module connects
Then power amplifier module, the power amplifier module are used for drive the speaker.
Different signal sources, such as blue light can be connected in the present invention in VISAAV HUB systems by HDMI input interfaces
Machine, set top box etc., the major functions of HDMI transceiver modules are that the HDMI data in reception signal source intercept voice data,
Video by HDMI output interface to TV or projecting apparatus；Simulated audio signal can be converted into digital sound by receiver module
Frequency signal；Digital signal processing module carries out audio effect processing after Doby and DTS decodings can be carried out to voice data, and PCM is believed
Number SUMMIT transmitter modules are passed to, PCM signal is carried out wireless transmission by SUMMIT transmitter modules；Bluetooth module be able to can connect
Emission system control module can also be manipulated by APP by receiving the ANTENNAUDIO of mobile device；Display unit module provides system
Data are shown and infrared control function.
In the present invention in WISADONGLE systems usb audio decoder by USB interface connect computer can realize it is external
The function of sound card, the music of computer is wirelessly transferred；Simulated audio signal can be converted into numeral by ADC mode converter
Audio signal；Signal switching module can realize the switching of the data-signal of different signal source；SUMMIT transmitter module energy
Enough PCM signals by signal switching module carry out wireless transmission；Display unit module offer system data is shown and infrared control
Function processed.
The SUMMIT receiving modules of wireless receiving system receive the PCM letters that wireless transmitter system is launched in the present invention
Number, and PCM signal is subjected to reduction and passes to PWM controller module, PWM controller module is using pulse width modulator outside
PCM signal be modulated to control power amplifier chips, finally utilize power amplifier module drive the speaker power amplifier.
Further, the quantity of the HDMI input interfaces of the HDMI transceiver modules in the VISAAV HUB systems is three
It is individual.
Further, the receiver module in the VISAAV HUB systems is additionally provided with optical fiber and digital COBBAIF, can
Incoming fiber optic DAB.
Beneficial effect：The present invention compared with prior art, by simulated audio signal, HDMI audio signals, believe by DAB
Audio code stream carried out by wireless transmission by wireless transmitter system after number decoding, solid can be listened to using wireless receiving system
Sound is happy or builds home theater, and the system working frequency range has short distance communication, high real-time in 5.2G~5.8G, the system
And the characteristics of high node capacity, and the occupied wave bands of the 5G such as radar wave can be avoided with automatic frequency-hopping, there is enough bands
Width, 24BIT hi-fi music can be transmitted, as little as 2.6 milliseconds of sound delay time characteristic is also far superior to other technologies scheme,
The wireless communication needs being particularly suited between stereo set.
Brief description of the drawings
Fig. 1 is the structural representation of VISAAV HUB systems in the present invention；
Fig. 2 is the structural representation of WISADONGLE systems in the present invention；
Fig. 3 is the structural representation of wireless receiving system in the present invention；
Fig. 4 is the schematic diagram that the present invention is applied to home theater；
Fig. 5 is the schematic diagram that the present invention is applied to bar and woodwing.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
The present invention rather than limitation the scope of the present invention, after the present invention has been read, those skilled in the art are each to the present invention's
The modification of the kind equivalent form of value falls within the application appended claims limited range.
Embodiment 1：
As shown in FIG. 1 to 3, the present invention provides a kind of wireless micro- cinema system, including for by after audio signal decoding
Carry out the wireless transmitter system of wireless transmission and the wireless receiving for the signal launched for receiving wireless transmitter system
System, the wireless transmitter system include two signal transmitting systems of VISAAV HUB systems and WISADONGLE systems；
The VISAAV HUB systems include HDMI transceiver modules, receiver module, digital signal processing module, SUMMIT hairs
Module, bluetooth module, display unit module and emission system control module are penetrated, the emission system control module respectively connected
HDMI transceiver modules, receiver module, digital signal processing module, bluetooth module and display unit module, the digital processing mould
Block respectively connected HDMI transceiver modules, receiver module and SUMMIT transmitter modules, and the HDMI transceiver modules are set
There are at least one HDMI input interfaces and a HDMI output interface, the receiver module is provided with analogue audio frequency input and connect
Mouthful；
The WISADONGLE systems include usb audio decoder, ADC mode converter, signal switching module, SUMMIT
Transmitter module, display unit module and emission system control module, the emission system control module respectively connected usb audio
Decoder, ADC mode converter, signal switching module and display unit module, the signal switching module respectively connected USB
Audio decoder, ADC mode converter and SUMMIT transmitter modules, the usb audio decoder is provided with USB interface, described
ADC mode converter is provided with analogue audio frequency input port；
The wireless receiving system includes reception system control module, SUMMIT receiving modules, PWM controller module, work(
Rate amplification module and LED display module, the reception system control module respectively connected SUMMIT receiving modules, PWM controls
Device module and LED display module, the SUMMIT receiving modules are connected to PWM controller module, and the PWM controller module connects
Then power amplifier module, the power amplifier module are used for drive the speaker.
Different signal sources, such as blue light can be connected in the present invention in VISAAV HUB systems by HDMI input interfaces
Machine, set top box etc., the major functions of HDMI transceiver modules are that the HDMI data in reception signal source intercept voice data,
Video by HDMI output interface to TV or projecting apparatus；Simulated audio signal can be converted into digital sound by receiver module
Frequency signal；Digital signal processing module carries out audio effect processing after Doby and DTS decodings can be carried out to voice data, and PCM is believed
Number SUMMIT transmitter modules are passed to, PCM signal is carried out wireless transmission by SUMMIT transmitter modules；Bluetooth module be able to can connect
Emission system control module can also be manipulated by APP by receiving the ANTENNAUDIO of mobile device；Display unit module provides system
Data are shown and infrared control function.
In the present invention in WISADONGLE systems usb audio decoder by USB interface connect computer can realize it is external
The function of sound card, the music of computer is wirelessly transferred；Simulated audio signal can be converted into numeral by ADC mode converter
Audio signal；Signal switching module can realize the switching of the data-signal of different signal source；SUMMIT transmitter module energy
Enough PCM signals by signal switching module carry out wireless transmission；Display unit module offer system data is shown and infrared control
Function processed.
The SUMMIT receiving modules of wireless receiving system receive the PCM letters that wireless transmitter system is launched in the present invention
Number, and PCM signal is subjected to reduction and passes to PWM controller module, PWM controller module is using pulse width modulator outside
PCM signal be modulated to control power amplifier chips, finally utilize power amplifier module drive the speaker power amplifier.
Embodiment 2：
As shown in figure 4, player is connected by HDMI input interfaces with VISAAV HUB systems, connect using HDMI outputs
Mouth is connected to projecting apparatus, and VISA AV HUB systems carry out the audio signal in player by SUMMIT transmitter modules wireless
Transmitting, the wireless receiving system in PPA loudspeakers receive the wireless signal of VISAAVHUB systems transmitting, wireless receiving
The power amplifier module drive the speaker power amplifier of system, people can be experienced in viewing area.
Embodiment 3：
As shown in figure 5, the sound console in bar is connected into upper WISADONGLE systems, WISADONGLE systems by USB interface
Audio signal in sound console is carried out wireless transmission transmission by system, and the wireless receiving system in PPA loudspeakers receives
The wireless signal of WISA DONGLE systems transmitting, the power amplifier module drive the speaker power amplifier of wireless receiving system.
Claims (3)
- A kind of 1. wireless micro- cinema system, it is characterised in that：Including for the nothing of wireless transmission will to be carried out after audio signal decoding The wireless receiving system of line ejector system and the signal launched for receiving wireless transmitter system, the wireless transmission Device system includes two signal transmitting systems of VISAAV HUB systems and WISADONGLE systems；The VISAAV HUB systems include HDMI transceiver modules, receiver module, digital signal processing module, SUMMIT transmitting moulds Block, bluetooth module, display unit module and emission system control module, the emission system control module respectively connected HDMI Transceiver module, receiver module, digital signal processing module, bluetooth module and display unit module, the digital signal processing module point Be not connected to HDMI transceiver modules, receiver module and SUMMIT transmitter modules, the HDMI transceiver modules be provided with to Few a HDMI input interface and a HDMI output interface, the receiver module are provided with analogue audio frequency input interface；The WISADONGLE systems include usb audio decoder, ADC mode converter, signal switching module, SUMMIT transmittings Module, display unit module and emission system control module, the emission system control module respectively connected usb audio decoding Device, ADC mode converter, signal switching module and display unit module, the signal switching module respectively connected usb audio Decoder, ADC mode converter and SUMMIT transmitter modules, the usb audio decoder are provided with USB interface, the ADC moulds Formula converter is provided with analogue audio frequency input port；The wireless receiving system includes reception system control module, SUMMIT receiving modules, PWM controller module, power and put Big module and LED display module, the reception system control module respectively connected SUMMIT receiving modules, PWM controller mould Block and LED display module, the SUMMIT receiving modules are connected to PWM controller module, and the PWM controller module is connected to Power amplifier module, the power amplifier module are used for drive the speaker.
- A kind of 2. wireless micro- cinema system according to claim 1, it is characterised in that：In the VISAAV HUB systems The quantity of the HDMI input interfaces of HDMI transceiver modules is three.
- A kind of 3. wireless micro- cinema system according to claim 1 or 2, it is characterised in that：The VISAAV HUB systems In receiver module be additionally provided with optical fiber and digital COBBAIF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710468762.8A CN107359893B (en) | 2017-06-20 | 2017-06-20 | A kind of wireless micro- cinema system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710468762.8A CN107359893B (en) | 2017-06-20 | 2017-06-20 | A kind of wireless micro- cinema system |
Publications (2)
| Publication Number | Publication Date |
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| CN107359893A true CN107359893A (en) | 2017-11-17 |
| CN107359893B CN107359893B (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710468762.8A Active CN107359893B (en) | 2017-06-20 | 2017-06-20 | A kind of wireless micro- cinema system |
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| US20130038793A1 (en) * | 2010-04-20 | 2013-02-14 | Sharp Kabushiki Kaisha | Output device, source apparatus, television set, system, output method, program, and recording medium |
| CN103716716A (en) * | 2013-12-20 | 2014-04-09 | 陆德宝 | Wireless intelligent sound-control high-definition audio/video interaction entertainment system and device |
| CN203787078U (en) * | 2014-04-28 | 2014-08-20 | 深圳市益威科电子有限公司 | HDMI digital karaoke reverberator |
| CN104333800A (en) * | 2014-07-21 | 2015-02-04 | 北京京东方视讯科技有限公司 | Display system as well as Bluetooth audio playing method and device of display system |
| CN205622849U (en) * | 2016-04-14 | 2016-10-05 | 周晓军 | Portable multitrack surround sound wireless sound system |
-
2017
- 2017-06-20 CN CN201710468762.8A patent/CN107359893B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130038793A1 (en) * | 2010-04-20 | 2013-02-14 | Sharp Kabushiki Kaisha | Output device, source apparatus, television set, system, output method, program, and recording medium |
| CN102348080A (en) * | 2011-10-28 | 2012-02-08 | 熊猫电子集团有限公司 | Device and method for solving multiple audio/video wireless transmission and receiving |
| CN103716716A (en) * | 2013-12-20 | 2014-04-09 | 陆德宝 | Wireless intelligent sound-control high-definition audio/video interaction entertainment system and device |
| CN203787078U (en) * | 2014-04-28 | 2014-08-20 | 深圳市益威科电子有限公司 | HDMI digital karaoke reverberator |
| CN104333800A (en) * | 2014-07-21 | 2015-02-04 | 北京京东方视讯科技有限公司 | Display system as well as Bluetooth audio playing method and device of display system |
| CN205622849U (en) * | 2016-04-14 | 2016-10-05 | 周晓军 | Portable multitrack surround sound wireless sound system |
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| Publication number | Publication date |
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| CN107359893B (en) | 2019-10-11 |
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Address after: No. 8, Kangping Street, Jiangning Economic Development Zone, Nanjing, Jiangsu 211100 Patentee after: Hansang (Nanjing) Technology Co.,Ltd. Address before: No. 8, Kangping Street, Jiangning Economic Development Zone, Nanjing, Jiangsu 211100 Patentee before: HANSONG (NANJING) TECHNOLOGY CO.,LTD. |