CN107359893B - A kind of wireless micro- cinema system - Google Patents
A kind of wireless micro- cinema system Download PDFInfo
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- CN107359893B CN107359893B CN201710468762.8A CN201710468762A CN107359893B CN 107359893 B CN107359893 B CN 107359893B CN 201710468762 A CN201710468762 A CN 201710468762A CN 107359893 B CN107359893 B CN 107359893B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000005236 sound signal Effects 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims description 13
- 239000013307 optical fiber Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 241001025261 Neoraja caerulea Species 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000000034 method Methods 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 systems, including for will carry out the wireless transmitter system of wireless transmission after audio signal decoding and be used to receive the wireless receiving system for the signal that wireless transmitter system is launched, the wireless transmitter system includes two signal transmitting systems of VISA AV HUB system and WISA DONGLE system.The present invention is compared with prior art, have the characteristics that short distance communication, high real-time and high node capacity, and the occupied wave band of the 5G such as radar wave can be avoided with automatic frequency-hopping, with enough bandwidth, the hi-fi music of 24BIT can be transmitted, also it is far superior to other technologies scheme down to 2.6 milliseconds of sound delay time characteristics, 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 household and Commercial audio fields, and in particular to a kind of wireless micro- cinema system.
Background technique
Traditional AV power amplifier or home theater are connected by horn wire mostly pushes loudspeaker sounding, with wireless technology
Development also have many products and realize audio transmission by wirelessly, main working 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 tradition AV power amplifier or home theater are logical
Normal connecting line is more and miscellaneous, different spaces transmission is restricted larger, reduces entity wiring using the home theater of wireless technology
Worry realizes any collocation in different spaces between equipment, 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 use simultaneously of the equipment such as WIFI, bluetooth will cause this frequency range
Very crowded influence quality of connection and transmission high-fidelity is not achieved.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, radar wave can be avoided with automatic frequency-hopping by providing one kind
The equal occupied wave band of 5G, has enough bandwidth, can transmit wireless micro- cinema system of the hi-fi music of 24BIT.
Technical solution: to achieve the above object, the present invention provides a kind of wireless micro- cinema system, including for believing audio
The wireless transmitter system of wireless transmission is carried out after number decoding and for receiving signal that wireless transmitter system is launched
Wireless receiving system, the wireless transmitter system include two signal hairs of VISA AV HUB system and WISA DONGLE system
Penetrate system；
The VISA AV HUB system includes HDMI transceiver module, receiver module, digital processing module, first
SUMMIT transmitting module, bluetooth module, the first display unit module and the first emission system control module, first transmitting system
System control module respectively connected HDMI transceiver module, receiver module, digital processing module, bluetooth module and the first display
Unit module, the digital processing module respectively connected HDMI transceiver module, receiver module and the first SUMMIT transmitting
Module, the HDMI transceiver module are provided at least one HDMI input interface and a HDMI output interface, the reception
Device module is provided with analog audio input interface；
The WISA DONGLE system includes usb audio decoder, ADC mode converter, signal switching module, second
SUMMIT transmitting module, the second display unit module and the second emission system control module, second emission system control mould
Block respectively connected usb audio decoder, ADC mode converter, signal switching module and the second display unit module, the letter
Number switching module respectively connected usb audio decoder, ADC mode converter and the 2nd SUMMIT transmitting module, the USB sound
Frequency decoder is provided with USB interface, and the ADC mode converter is provided with analog audio input mouth；
The wireless receiving system includes receiving system control module, SUMMIT receiving module, PWM controller module, function
Rate amplification module and LED display module, the reception system control module respectively connected SUMMIT receiving module, PWM control
Device module and LED display module, the SUMMIT receiving module 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 can be connected in the present invention in VISA AV HUB system by HDMI input interface, such as blue
Ray machine, set-top box etc., the major function of HDMI transceiver module are that the HDMI data of reception signal source cut audio data
It takes, video by HDMI output interface to TV or projector；Analog audio signal can be converted into counting by receiver module
Word audio signal；Digital processing module carries out audio effect processing after capable of carrying out Doby and DTS decoding to audio data, and will
PCM signal passes to the first SUMMIT transmitting module, and PCM signal is carried out wireless transmission by the first SUMMIT transmitting module；Bluetooth
The wireless audio that module can receive mobile device can also manipulate the first emission system control module by APP；The
One display unit module offer system data is shown and infrared control function.
In the present invention in WISA DONGLE system usb audio decoder by USB interface connect computer may be implemented it is external
The function of sound card is wirelessly transferred the music of computer；Analog audio signal can be converted into number by ADC mode converter
Audio signal；The switching of the data-signal of different signal source can may be implemented in signal switching module；2nd SUMMIT emits mould
PCM signal in signal switching module can be carried out wireless transmission by block；Second display unit module provides system data and shows
And infrared control function.
The SUMMIT receiving module of wireless receiving system receives the PCM letter 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 external
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 interface of the HDMI transceiver module in the VISA AV HUB system is
Three.
Further, the receiver module in the VISA AV HUB system is additionally provided with optical fiber and digital audio interface, can
Incoming fiber optic digital audio.
The utility model has the advantages that compared with prior art, the present invention HDMI audio signal, digital audio is believed by analog audio signal
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 this 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 band of the 5G such as radar wave can be avoided with automatic frequency-hopping, there is enough bands
Width can transmit the hi-fi music of 24BIT, also be far superior to other technologies scheme down to 2.6 milliseconds of sound delay time characteristics,
The wireless communication needs being particularly suited between stereo set.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of VISA AV HUB system in the present invention；
Fig. 2 is the structural schematic diagram of WISA DONGLE system in the present invention；
Fig. 3 is the structural schematic diagram 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.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
It the present invention rather than limits the scope of the invention, after the present invention has been read, those skilled in the art are to of the invention each
The modification of kind equivalent form falls within the application range as defined in the appended claims.
Embodiment 1:
As shown in FIG. 1 to 3, the present invention provides a kind of wireless micro- cinema system, including being used for will be after audio signal decoding
Carry out the wireless transmitter system of wireless transmission and the wireless receiving for receiving the signal that wireless transmitter system is launched
System, the wireless transmitter system include two signal transmitting systems of VISA AV HUB system and WISA DONGLE system；
The VISA AV HUB system includes HDMI transceiver module, receiver module, digital processing module, first
SUMMIT transmitting module, bluetooth module, the first display unit module and the first emission system control module, first transmitting system
System control module respectively connected HDMI transceiver module, receiver module, digital processing module, bluetooth module and the first display
Unit module, the digital processing module respectively connected HDMI transceiver module, receiver module and the first SUMMIT transmitting
Module, the HDMI transceiver module are provided at least one HDMI input interface and a HDMI output interface, the reception
Device module is provided with analog audio input interface；
The WISA DONGLE system includes usb audio decoder, ADC mode converter, signal switching module, second
SUMMIT transmitting module, the second display unit module and the second emission system control module, second emission system control mould
Block respectively connected usb audio decoder, ADC mode converter, signal switching module and the second display unit module, the letter
Number switching module respectively connected usb audio decoder, ADC mode converter and the 2nd SUMMIT transmitting module, the USB sound
Frequency decoder is provided with USB interface, and the ADC mode converter is provided with analog audio input mouth；
The wireless receiving system includes receiving system control module, SUMMIT receiving module, PWM controller module, function
Rate amplification module and LED display module, the reception system control module respectively connected SUMMIT receiving module, PWM control
Device module and LED display module, the SUMMIT receiving module 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 can be connected in the present invention in VISA AV HUB system by HDMI input interface, such as blue
Ray machine, set-top box etc., the major function of HDMI transceiver module are that the HDMI data of reception signal source cut audio data
It takes, video by HDMI output interface to TV or projector；Analog audio signal can be converted into counting by receiver module
Word audio signal；Digital processing module carries out audio effect processing after capable of carrying out Doby and DTS decoding to audio data, and will
PCM signal passes to the first SUMMIT transmitting module, and PCM signal is carried out wireless transmission by the first SUMMIT transmitting module；Bluetooth
The wireless audio that module can receive mobile device can also manipulate the first emission system control module by APP；The
One display unit module offer system data is shown and infrared control function.
In the present invention in WISA DONGLE system usb audio decoder by USB interface connect computer may be implemented it is external
The function of sound card is wirelessly transferred the music of computer；Analog audio signal can be converted into number by ADC mode converter
Audio signal；The switching of the data-signal of different signal source can may be implemented in signal switching module；2nd SUMMIT emits mould
PCM signal in signal switching module can be carried out wireless transmission by block；Second display unit module provides system data and shows
And infrared control function.
The SUMMIT receiving module of wireless receiving system receives the PCM letter 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 external
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 interface with VISA AV HUB system, exported using HDMI
Interface is connected to projector, VISA AV HUB system by the audio signal in player by the first SUMMIT transmitting module into
Row wireless transmission, the wireless receiving system in PPA loudspeaker receive the wireless signal of VISA AV HUB system transmitting,
The power amplifier module drive the speaker power amplifier of wireless receiving system, people can experience in viewing area.
Embodiment 3:
As shown in figure 5, the sound console in bar is connected upper WISA DONGLE system, WISADONGLE system by USB interface
Audio signal in sound console is carried out wireless transmission transmission by system, and the wireless receiving system in PPA loudspeaker receives
The wireless signal of WISA DONGLE system transmitting, the power amplifier module drive the speaker power amplifier of wireless receiving system.
Claims (3)
1. a kind of 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
Line ejector system and wireless receiving system for receiving the signal that wireless transmitter system is launched, the wireless transmission
Device system includes two signal transmitting systems of VISA AV HUB system and WISA DONGLE system；
The VISA AV HUB system includes HDMI transceiver module, receiver module, digital processing module, the first SUMMIT
Transmitting module, bluetooth module, the first display unit module and the first emission system control module, the first emission system control
Module respectively connected HDMI transceiver module, receiver module, digital processing module, bluetooth module and the first display unit mould
Block, the digital processing module respectively connected HDMI transceiver module, receiver module and the first SUMMIT transmitting module, institute
It states HDMI transceiver module and is provided at least one HDMI input interface and a HDMI output interface, the receiver module is set
It is equipped with analog audio input interface；
The WISA DONGLE system includes usb audio decoder, ADC mode converter, signal switching module, second
SUMMIT transmitting module, the second display unit module and the second emission system control module, second emission system control mould
Block respectively connected usb audio decoder, ADC mode converter, signal switching module and the second display unit module, the letter
Number switching module respectively connected usb audio decoder, ADC mode converter and the 2nd SUMMIT transmitting module, the USB sound
Frequency decoder is provided with USB interface, and the ADC mode converter is provided with analog audio input mouth；
The wireless receiving system includes receiving system control module, SUMMIT receiving module, PWM controller module, power to put
Big module and LED display module, the reception system control module respectively connected SUMMIT receiving module, PWM controller mould
Block and LED display module, the SUMMIT receiving module 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.
2. a kind of wireless micro- cinema system according to claim 1, it is characterised in that: in the VISA AV HUB system
HDMI transceiver module HDMI input interface quantity be three.
3. a kind of wireless micro- cinema system according to claim 1 or 2, it is characterised in that: the VISA AV HUB system
In receiver module be additionally provided with optical fiber and digital audio interface.
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 |
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| CN107359893A CN107359893A (en) | 2017-11-17 |
| CN107359893B true CN107359893B (en) | 2019-10-11 |
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| CN201710468762.8A Active CN107359893B (en) | 2017-06-20 | 2017-06-20 | A kind of wireless micro- cinema system |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203787078U (en) * | 2014-04-28 | 2014-08-20 | 深圳市益威科电子有限公司 | HDMI digital karaoke reverberator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102870427B (en) * | 2010-04-20 | 2014-04-16 | 夏普株式会社 | Output device, source apparatus, television set, system, output method |
| 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 |
| CN104333800B (en) * | 2014-07-21 | 2018-02-06 | 北京京东方视讯科技有限公司 | The Bluetooth audio frequency player method and device of a kind of display system, display system |
| CN205622849U (en) * | 2016-04-14 | 2016-10-05 | 周晓军 | Portable multitrack surround sound wireless sound system |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203787078U (en) * | 2014-04-28 | 2014-08-20 | 深圳市益威科电子有限公司 | HDMI digital karaoke reverberator |
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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. |
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