CN108933932A - Projector and optical projection system - Google Patents
Projector and optical projection system Download PDFInfo
- Publication number
- CN108933932A CN108933932A CN201710383999.6A CN201710383999A CN108933932A CN 108933932 A CN108933932 A CN 108933932A CN 201710383999 A CN201710383999 A CN 201710383999A CN 108933932 A CN108933932 A CN 108933932A
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- audio
- signal
- wireless
- mould group
- screen
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- 230000003287 optical effect Effects 0.000 title claims abstract description 19
- 230000005236 sound signal Effects 0.000 claims abstract description 72
- 230000001755 vocal effect Effects 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
-
- 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
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/36—Accompaniment arrangements
- G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
- G10H1/366—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems with means for modifying or correcting the external signal, e.g. pitch correction, reverberation, changing a singer's voice
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
- H04M1/72439—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for image or video messaging
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Circuit For Audible Band Transducer (AREA)
- Projection Apparatus (AREA)
Abstract
The embodiment of the present invention is a vocal accompaniment application program to be executed on the massaging device, which includes applied to on a wireless massaging device and an audio signal reception device with screen transmitter for a kind of projector and optical projection system：One is wireless with screen sound processing mould group, it is wireless with screen transmitter to be wirelessly connected to this, it to receive the wireless wireless signal issued with screen transmitter, and is handled after the wireless signal is converted into a video-audio signal, for generating a vision signal and one first audio signal；One projective module group, signal are connected to the wireless same screen sound processing mould group, generate the light with a projection image to receive the vision signal；And audio mixing and an audio mould group, signal connects the wireless same screen sound processing mould group and the audio signal reception device, the audio mixing and audio mould group handle one second audio signal caused by first audio signal and the audio signal reception device and generate third audio signal output.
Description
Technical field
The invention relates to a kind of projector and optical projection systems, in particular to a kind of projector for having accompaniment function
With optical projection system.
Background technique
Smartphone almost manpower one is the most-often used Internet access of current user.Although its small volume
It is easy to carry about with one, but display thereon is too small, and is inconvenient to for showing the large area image frame for needing more people to share.And
Portable projector is solution common at present, and the user of smartphone can take mobile phone picture transmission
Everybody is allowed to watch on the projector to projection plane of formula.In addition, with application program performed in smartphone
(APP) difference, smartphone can have different needs portable projector, but portable projection now
Machine is unable to satisfy the demand of particular application program (APP).And how to improve such missing, it is the master to develop this case technological means
Syllabus.
Summary of the invention
The embodiment of the present invention proposes a kind of projector, applied to a wireless massaging device and one with screen transmitter
A vocal accompaniment application program is executed on audio signal reception device, on the massaging device, which includes：One is wireless with screen sound processing mould
Group is wirelessly connected to wireless with screen transmitter, the wireless signal issued to receive the wireless same screen transmitter, and will
The wireless signal is handled after being converted into a video-audio signal, for generating a vision signal and one first audio signal；One throws
Shadow mould group, signal are connected to the wireless same screen sound processing mould group, are generated to receive the vision signal with a projection shadow
The light of picture；And audio mixing and an audio mould group, signal connect that this is wireless with screen sound processing mould group and the audio signal reception device, this is mixed
Sound and audio mould group handle first audio signal with one second audio signal caused by the audio signal reception device and are generated
The output of one third audio signal.
According to above-mentioned conception, this in projector described in this case wirelessly includes with screen sound processing mould group：One is wireless with screen
Receiver is wirelessly connected to the wireless same screen transmitter, this is wireless with screen receiver to receive this wirelessly with screen transmitter institute
The wireless signal issued, and the wireless signal is converted into the video-audio signal；And a sound processing device, signal are connected to this
Wireless same screen receiver, is handled to receive the video-audio signal, for generating the vision signal and first audio signal.
According to above-mentioned conception, this in projector described in this case is wirelessly wirelessly with screen technology with applied by screen receiver
One of WIFI Miracast, Airplay or DLNA, to receive the wireless wireless signal issued with screen transmitter,
And the wireless signal is converted into the digital audio-video signal.
According to above-mentioned conception, the sound processing device is a digital audio-video processor in projector described in this case, by the number
Word video-audio signal is handled, for generating the vision signal and first audio signal.
It also include an instruction input mould group in projector described in this case, signal is connected to the audio mixing according to above-mentioned conception
And audio mould group, the instruction input mould group issue a control signal to the audio mixing and audio mould group, control the audio mixing and audio mould
The audio mixing and sound effect function of group, and then the first audio signal is subjected to the processing of audio mixing and audio with the second audio signal and is generated
The third audio signal.
According to above-mentioned conception, the audio signal reception device is incorporated into same with the instruction input mould group in projector described in this case
In hand-held sandwich type element.
According to above-mentioned conception, projector described in this case, being applied to the upper massaging device is a smartphone, one
Tablet computer or a laptop, the audio signal reception device are a microphone.
Another embodiment of the present invention proposes a kind of optical projection system, applied to a wireless information dress with screen transmitter
It sets, a vocal accompaniment application program is executed on the massaging device, which includes：One is wireless with screen sound processing mould group, nothing
Line is connected to that this is wireless with screen transmitter, to receive the wireless wireless signal issued with screen transmitter, and by the nothing
Line signal is handled after being converted into a video-audio signal, for generating a vision signal and one first audio signal；One projective module
Group, signal are connected to the wireless same screen sound processing mould group, generate to receive the vision signal with a projection image
Light；One audio signal reception device is converted in response to the sound that user issues and generates one second audio signal；And audio mixing and an audio mould
Group, signal connects the wireless same screen sound processing mould group and the audio signal reception device, the audio mixing and audio mould group believe first audio
Number with the audio signal reception device caused by second audio signal handled and generate a third audio signal output.
According to above-mentioned conception, optical projection system described in this case, wherein this wireless include with screen sound processing mould group：One is wireless
With screen receiver, it is wirelessly connected to the wireless same screen transmitter, this is wireless with screen receiver to receive this wirelessly with screen transmitting
The wireless signal that device is issued, and the wireless signal is converted into the video-audio signal；And a sound processing device, signal connection
It is wireless with screen receiver to this, it is handled to receive the video-audio signal, for generating the vision signal and first audio
Signal.
According to above-mentioned conception, optical projection system described in this case, wherein this is wireless with wireless with screen applied by screen receiver
Technology is one of WIFI Miracast, Airplay or DLNA, to receive the wireless nothing issued with screen transmitter
Line signal, and the wireless signal is converted into digital audio-video signal, wherein the sound processing device is a digital audio-video processor, will
The digital audio-video signal is handled, for generating the vision signal and first audio signal.
According to above-mentioned conception, optical projection system described in this case, wherein also including an instruction input mould group, signal is connected to this
Audio mixing and audio mould group, the instruction input mould group issue a control signal to the audio mixing and audio mould group, control the audio mixing and sound
Imitate the audio mixing and sound effect function of mould group, so by the first audio signal and the second audio signal carry out audio mixing and audio processing and
Generate the third audio signal.
According to above-mentioned conception, optical projection system described in this case, wherein the audio signal reception device is a microphone, and the instruction input
Mould group is a remote controler, and the audio signal reception device and the instruction input mould group are incorporated into the same hand-held sandwich type element.
For above and other objects, features and advantages of the invention can be clearer and more comprehensible, preferred embodiment is cited below particularly,
And cooperate institute's accompanying drawings, it is described in detail below.
Detailed description of the invention
Fig. 1 is a kind of optical projection system the functional block diagram with new function that this case is put forward.
Fig. 2 is the operation interface schematic diagram for the instruction input mould group completed in the form of remote controler.
Fig. 3 is exemplary diagram of this case with the function setting menu of screen, bluetooth and audio.
Fig. 4 is that this case projector carries out the operational flowchart with screen projection.
Fig. 5 is the operational flowchart that this case projector carries out accompaniment function.
【Symbol description】
Projector 10
Wireless same screen transmitter 110
Smartphone 11
Vocal accompaniment application program 111
Wireless same screen receiver 101
Digital audio-video processor 102
Projective module group 103
Instruction input mould group 105
Audio mixing and audio mould group 104
Microphone 106
Audio playing unit 108
Wired connection unit 107
With the quick setting key 1051 of screen
The quick setting key 1052 of bluetooth
The quick setting key 1053 of audio
Sound effect function sets menu 31
Bluetooth function sets menu 32
Menu 33 is set with screen function
Specific embodiment
Referring to Figure 1, it is a kind of optical projection system the functional block diagram with new function that this case developed,
Mainly include projector 10 and wireless with screen transmitter 110, wherein it is wireless can be with screen transmitter 110 be set to it is intelligent
Mobile phone 11 or tablet computer, laptop etc. have in the massaging device of radio function (such as WIFI), therefore following
All it is described by taking smartphone 11 as an example.And vocal accompaniment application program 111 can be executed in smartphone 11, the vocal accompaniment
Application program 111 can allow smartphone 11 to play a music videos band (music video) and carry out all kinds of accompaniment functions
Operation.And, with mobile phone, tablet computer or the laptop of screen transmitter 110, have with wirelessly and download, install,
Execute the function of vocal accompaniment application program 111, and can with it is various it is wireless with screen technology (such as WIFI Miracast, Airplay or
One of) DLNA to complete signal with remote receiver with screen technology connect and audio-visual broadcasting.And it is wireless with screen transmitter 110
The image of music videos band (music video) and sound can be changed into wireless signal be sent to it is wireless same in projector 10
Shield receiver 101.But have a little it is important to note that smartphone 11 penetrates wirelessly with screen technology and projector, sound
When the image of happy video-tape (music video) is projected to screen, picture in smartphone 11 and it is projected on screen
0.3-0.5 seconds time delays are had between image.Therefore, user is directed through the microphone of mobile phone to sing, have with
Audio-visual on screen leads to the problem of nonsynchronous.To can solve this problem, this case develops utilising techniques.
It is wireless with screen receiver 101 by the wireless signal received be converted into digital audio-video signal (can be HDMI or its
The format of his digital high-vision) and it is transmitted to digital audio-video processor 102 and handles, for generating a vision signal and one the
One audio signal.For example, wireless to may be disposed within projector 10 with screen receiver 101, it is wireless with screen hair to receive
Emitter 110 is issued wireless with shielding signal and decoding out digital audio-video signal, can reach digital shadow with HDMI or extended formatting
Sound processor 102.
Vision signal, which is sent to, belongs to the wireless projective module group 103 with screen sound processing mould group some in projector 10
Projection image is generated, and projective module group 103 is input by an instruction input mould group 105 control instructed to carry out projection broadcasting
Movement.Believe as the first audio caused by the wireless digital audio-video processor 102 with screen sound processing mould group some is belonged to
Number audio mixing being then sent in projector 10 and audio mould group 104 are handled.Meanwhile the receipts realized with microphone 106
Mixer receive the second audio signal for being converted into of sound wave that user issues be also transmitted to audio mixing and audio mould group 104 come into
Row processing.In this way, instruction input mould group 105 can be used to control the audio mixing and sound effect function of audio mixing and audio mould group 104,
And then the first audio signal and the second audio signal are carried out to the processing of audio mixing and audio, finally generate a third audio signal
Output is played to audio playing unit 108.In this way, which above-mentioned audio-visual nonsynchronous may ask can effectively be solved
Topic.And audio playing unit 108 can be the devices such as loudspeaker or earphone, in addition it can be completed in the way of wireless blue tooth
Signal connection.It can be number or analog with the format of third audio signal as first, second.
And audio mixing and sound effect system 104 can will accompany after music carries out audio mixing with the voice that microphone is captured and export,
And can have adjustment audio mixing volume (Volume), high pitch (Treble), bass (Bass), echo (Echo) and ring field
(Surround) sound effect functions such as.And audio playing unit 108 and above-mentioned projective module group 103, digital audio-video processor 102, nothing
Line can all be integrated easy to carry in the same housing with screen receiver 101 and audio mixing and audio mould group 104.In addition, projection
It can also include a wired connection unit 107 in machine, can be used to connect the various AV signal sources such as HDMI, USB, SD and AV
Or the various audio/video files in reading memory.
And instruction input mould group 105 can be a remote controler, for coming in a wired or wireless manner to projector 10
In other components issue control signal, better, microphone 106 can be incorporated into the same hand with instruction input mould group 105
It holds in sandwich type element (not shown go out), the second audio signal that microphone 106 is converted into can use wired or wireless mode
It is transmitted in audio mixing and audio mould group 104.In this way, which user can use the hand-held dress for being integrated with remote controler and microphone
It sets to carry out the manipulation of singing songs and broadcasting.Furthermore it is possible to which audio mould group is also integral with the same hand-held sandwich type element, (figure is not
Show), so more can directly it be carried out audio mixing and audio mould group 104 is re-fed into after the second audio signal progress audio effect processing
Last audio mixing.Certainly, instruction input mould group 105 can also be the operation panel in projector other than it can be remote controler,
Such as touch tablet, keyboard or mouse, it can be used as the input options that on-screen menu is shown, to control audio mixing and audio system
System, reaches the function of vocal accompaniment.In addition, third audio signal is other than directly passing out to audio playing unit 108 and playing out,
Various connecting pipes be can use third audio signal is sent back the massaging devices such as smartphone 11.In this way, the
Three audio signals can be stored into a music file by smartphone 11 or be uploaded to cloud, can also apply journey by vocal accompaniment
Sequence 111 carries out scoring and scoring record is uploaded to cloud.
Fig. 2 is referred to again, is the operation interface schematic diagram for the instruction input mould group 105 completed in the form of remote controler,
It can have with quick setting key 1051, the quick setting key 1052 of bluetooth and the quick setting key 1053 of audio is shielded, to set respectively
The fixed function with screen, bluetooth and audio.And it is fast set when with the quick setting key 1051 of screen, the quick setting key 1052 of bluetooth or audio
When determining key 1053 and being pressed, the corresponding function setting menu 31,32,33 with screen, bluetooth and audio will be in a manner of OSD
It is projected out, it is shown that exemplary diagram may refer to Fig. 3.
Fig. 4 is referred to again, is that this case projector carries out the operational flowchart with screen projection, wherein step 41 is projector
Then booting enters with screen input pattern (step 42) through the operation interface switching projector of instruction input mould group 105, connects
, projector's (step 43) into same screen input pattern will be waited with online (step 44) is shielded, if detecting intelligent hand
Machine 11 opens WiFi with shielding, and just enters pairing certification (step 45), with successful matching is shielded, just enters and plays with screen until with mobile phone
(step 46).
Fig. 5 is referred to again, is the operational flowchart that this case projector carries out accompaniment function, and wherein step 51 is projector
It has carried out with broadcasting (step 51) is shielded, then smartphone 11 executes vocal accompaniment 111 (step 52) of application program, is then turned on Mike
Wind and Bluetooth function (step 53) then carry out audio mixing broadcasting (step 54), and the vocal accompaniment projection that can finally enter with screen is broadcast
Put (step 55).
In conclusion projector that this case developed and optical projection system, can be effectively improved the missing for the means of commonly using,
Reach the main purpose for developing this case.In addition, though the present invention has been disclosed as a preferred embodiment, so it is not limited to
The present invention, it is any to be familiar with this those skilled in the art, without departing from the spirit and scope of the present invention, when can make some changes and embellishment,
Therefore protection scope of the present invention should be defined by the scope of the appended claims.
Claims (12)
1. a kind of projector, which is characterized in that applied to a wireless massaging device and radio reception dress with screen transmitter
It sets, a vocal accompaniment application program is executed on the massaging device, which includes：
One is wireless with sound processing mould group is shielded, and is wirelessly connected to the wireless same screen transmitter, emits to receive the wireless same screen
The wireless signal that device is issued, and handled after the wireless signal is converted into a video-audio signal, for generating a video
Signal and one first audio signal；
One projective module group, signal are connected to the wireless same screen sound processing mould group, have to receive the vision signal to generate
The light of one projection image；And
One audio mixing and audio mould group, it is wireless with screen sound processing mould group and the audio signal reception device, the audio mixing and audio that signal connects this
Mould group handles one second audio signal caused by first audio signal and the audio signal reception device and generates a third sound
The output of frequency signal.
2. projector as described in claim 1, which is characterized in that this is wireless to include with screen sound processing mould group：
One is wireless with screen receiver, is wirelessly connected to the wireless same screen transmitter, this is wireless with screen receiver to receive the nothing
The wireless signal that line is issued with screen transmitter, and the wireless signal is converted into the video-audio signal；And
One sound processing device, signal are connected to the wireless same screen receiver, are handled to receive the video-audio signal, for producing
The raw vision signal and first audio signal.
3. projector as claimed in claim 2, which is characterized in that this is wireless with wireless with screen technology applied by screen receiver
For one of WIFI Miracast, Airplay or DLNA, the wireless communication issued to receive the wireless same screen transmitter
Number, and the wireless signal is converted into digital audio-video signal.
4. projector as claimed in claim 3, which is characterized in that the sound processing device is a digital audio-video processor, by this
Digital audio-video signal is handled, for generating the vision signal and first audio signal.
5. projector as described in claim 1, which is characterized in that the projector also includes an instruction input mould group, signal
It is connected to the audio mixing and audio mould group, which issues a control signal to the audio mixing and audio mould group, and control should
The audio mixing and sound effect function of audio mixing and audio mould group, and then the first audio signal and the second audio signal are subjected to audio mixing and audio
Processing and generate the third audio signal.
6. projector as claimed in claim 5, which is characterized in that the audio signal reception device is incorporated into same with the instruction input mould group
In a hand-held sandwich type element.
7. projector as described in claim 1, which is characterized in that the projector applications are an intelligence in the upper massaging device
Energy type mobile phone, a tablet computer or a laptop, the audio signal reception device are a microphone.
8. a kind of optical projection system, which is characterized in that applied to on a wireless massaging device with screen transmitter, the information
A vocal accompaniment application program is executed on device, which includes：
One is wireless with sound processing mould group is shielded, and is wirelessly connected to the wireless same screen transmitter, emits to receive the wireless same screen
The wireless signal that device is issued, and handled after the wireless signal is converted into a video-audio signal, for generating a video
Signal and one first audio signal；
One projective module group, signal are connected to the wireless same screen sound processing mould group, have to receive the vision signal to generate
The light of one projection image；
One audio signal reception device is converted in response to the sound that user issues and generates one second audio signal；And
One audio mixing and audio mould group, it is wireless with screen sound processing mould group and the audio signal reception device, the audio mixing and audio that signal connects this
Mould group handles second audio signal caused by first audio signal and the audio signal reception device and generates a third sound
The output of frequency signal.
9. optical projection system as claimed in claim 8, which is characterized in that this is wireless to include with screen sound processing mould group：
One is wireless with screen receiver, is wirelessly connected to the wireless same screen transmitter, this is wireless with screen receiver to receive the nothing
The wireless signal that line is issued with screen transmitter, and the wireless signal is converted into the video-audio signal；And
One sound processing device, signal are connected to the wireless same screen receiver, are handled to receive the video-audio signal, for producing
The raw vision signal and first audio signal.
10. optical projection system as claimed in claim 9, which is characterized in that this is wireless with wireless with screen applied by screen receiver
Technology is one of WIFI Miracast, Airplay or DLNA, to receive the wireless nothing issued with screen transmitter
Line signal, and the wireless signal is converted into digital audio-video signal, wherein the sound processing device is a digital audio-video processor, will
The wireless signal is handled after being converted into digital audio-video signal, for generating the vision signal and first audio signal.
11. optical projection system as claimed in claim 8, which is characterized in that the optical projection system also includes an instruction input mould group,
Signal is connected to the audio mixing and audio mould group, which issues a control signal to the audio mixing and audio mould group, control
Make the audio mixing and sound effect function of the audio mixing and audio mould group, so by the first audio signal and the second audio signal carry out audio mixing and
The processing of audio and generate the third audio signal.
12. optical projection system as claimed in claim 11, which is characterized in that the audio signal reception device is a microphone, and the instruction is defeated
Entering mould group is a remote controler, and the audio signal reception device and the instruction input mould group are incorporated into the same hand-held sandwich type element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383999.6A CN108933932B (en) | 2017-05-26 | 2017-05-26 | Projector and projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383999.6A CN108933932B (en) | 2017-05-26 | 2017-05-26 | Projector and projection system |
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| Publication Number | Publication Date |
|---|---|
| CN108933932A true CN108933932A (en) | 2018-12-04 |
| CN108933932B CN108933932B (en) | 2021-08-13 |
Family
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|---|---|---|---|
| CN201710383999.6A Active CN108933932B (en) | 2017-05-26 | 2017-05-26 | Projector and projection system |
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