CN105898176A - Signal processing method and signal processor - Google Patents
Signal processing method and signal processor Download PDFInfo
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- CN105898176A CN105898176A CN201510875742.3A CN201510875742A CN105898176A CN 105898176 A CN105898176 A CN 105898176A CN 201510875742 A CN201510875742 A CN 201510875742A CN 105898176 A CN105898176 A CN 105898176A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
- H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention provides a signal processing method. The method comprises the steps that an analog signal is acquired, wherein the analog signal is provided by an analog signal source; the analog signal is processed, and the analog signal is converted into a digital signal in MHL format; and the converted digital signal in MHL format is sent. The invention provides a signal processor. The signal processor comprises an acquiring module which is used for acquiring the analog signal which is provided by the analog signal source which is connected with the signal processor, a processing module which is used for converting the analog signal acquired by the acquiring module into the digital signal in MHL format, and a sending module which is used for sending the digital signal in MHL format, wherein the digital signal is converted by the processing module. According to the signal processing method and the signal processor, the product cost of video devices which comprise a television device is reduced, and the utilization rate of a video device is improved.
Description
Technical field
The present embodiments relate to video technique field, particularly relate to a kind of signal processing method and signal processing
Device.
Background technology
Video equipment at present, such as, television equipment the most all has one or more of analog video letter
Number interface transmission of analogue signal, such as, by audio frequency and video input (Video Audio IN, hereinafter referred to as
AV IN or title AV interface) obtain Composite Video Baseband Signal (Composite Video Broadcast
Signal hereinafter referred to as CVBS) analogue signal, AV interface, is to apply at present in audio-visual products
Interface widely, AV interface achieves the separated transmission of Voice & Video, it is to avoid because sound audio frequency and regarding
Frequency mixing interference and the image quality decrease that causes, but due to the transmission of AV interface remain a kind of brightness/
The video signal of colourity mixing, it is still desirable to display device carries out luminance/chrominance separation and chroma decoding to it
Ability imaging, this process separated again that first mixes will necessarily cause the loss of chrominance signal, carrier chrominance signal
Also have the biggest chance to interfere thus the picture quality that affects final output with luminance signal.
Existing analogue signal is transmitted, it is also possible to by color difference components interface to obtain YPbPr analogue signal,
YPbPr interface is the one in color difference components interface, and YpbPr can represent analog video component interface.
Represent that video signal is progressive scan aberration output.Color difference components interface typically utilizes three holding wires respectively
Transmit light tone and two-way colour difference signal.Video quality than AV interface is good.Premise be video equipment and
Playback equipment has this color difference components interface, and has color difference components connecting line.One group of color difference components interface
Line has three kinds of colors red, blue, green respectively.Only need to be corresponding on the output input port of TV and playback equipment
Same color is just.But color difference components interface is only responsible for conveying video signal, audio-frequency unit, also need another
External AV line connects computer and the video input output interface of playback equipment.
Existing analogue signal is transmitted, it is also possible to by display drawing array (Video Graphic Array, letter
Claiming VGA) interface to be to obtain RGB (Red Green Blue, hereinafter referred to as RGB) analogue signal.Its
In, USB interface is a kind of D type interface, has 15 pin holes above, is divided into three rows, often row five.Its
In, except 2 NC (Not Connect) signal, 3 video data buses and 5 ground (Ground,
Hereinafter referred to as GND) signal.In USB interface, chrominance component uses RS343 level standard.RS343
The crest voltage of level standard is 1V.USB interface is the interface type being most widely used on video card.
Along with the development of video technique, digital signal is widely used in video technique field.But mould
Intend signal source exist the most in a large number, include listed above this several including analogue signal much
District and occasion have a lot of application, thoroughly abandon analog signal interface unrealistic.
It is provided with analog signal interface and digital signal interface, Fig. 1 on current a part of video equipment simultaneously
For video device interface schematic diagram in prior art, as it is shown in figure 1, be provided with on a video equipment
Multiple interfaces, including analog signal interface and digital signal interface, in order to be able to accept various analogue signals,
The analog signal interface being arranged on video equipment also includes multiple analog signaling interface, so, at video
Arranged various analog signal interface and digital signal interface on equipment, such as television equipment significantly to carry simultaneously
The cost of high video equipment, causes the waste of device hardware resource.Prior art is at videos such as television equipments
The above-mentioned various analog signal interfaces arranged on equipment can not get sufficiently applying, and forms the waste of resource,
And reduce video equipment product cost, reduce the competitiveness of product.
Summary of the invention
The problem existed for prior art, the embodiment of the present invention provides a kind of signal processing method and signal
Processor, it is not necessary to mould signaling interface is set on video equipment, additionally it is possible to obtains easily and utilizes mould
Intend signal, while improving video product cost performance, improve simulation resource utilization.
The embodiment of the present invention provides a kind of signal processing method, including:
Obtaining analogue signal, this analogue signal is provided by simulation signal generator；Process above-mentioned analogue signal, will
This analogue signal is converted into MHL format digital signal；Send the MHL format digital letter after this conversion
Number.
The embodiment of the present invention provides a kind of signal processor, including:
Acquisition module, is used for obtaining analogue signal, and this analogue signal is by the mould being connected with this signal processor
Intend signal source to provide；Processing module, is converted into for this analogue signal obtained by above-mentioned acquisition module
MHL format digital signal；Sending module, for sending the MHL form number after this processing module converts
Word signal.
The signal processing method of embodiment of the present invention offer and signal processor, believed by the simulation that will obtain
The analogue signal that number source provides changes into MHL format digital signal and sends, acquisition mould that can be independent
Intend the analogue signal that signal source provides, and be translated into MHL format digital signal, after this conversion
Digital signal be sent to video equipment, such as, the MHL interface of television equipment.The embodiment of the present application
The product cost of video equipment including television equipment can be reduced, and make the outward appearance of video equipment
More succinct, attractive in appearance.Meanwhile, signal processing method and the processor of the embodiment of the present invention can be answered independently
Various offer MHL interface is provided but does not provide on the video equipment of analog video interface, make these equipment
The analogue signal that simulation signal generator provides can be got, also improve the utilization rate of video equipment.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under,
Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is video device interface schematic diagram in prior art；
Fig. 2 is signal processing method one embodiment schematic flow sheet of the present invention；
Fig. 3 is another embodiment schematic flow sheet of signal processing method of the present invention；
Fig. 4 is that signal processor of the present invention real executes example structural representation；
Fig. 5 is that real another of signal processor of the present invention executes example structural representation；
Fig. 6 is that signal processor of the present invention is real further executes example structural representation.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
Fig. 2 is signal processing method one embodiment schematic flow sheet of the present invention, as in figure 2 it is shown, the present invention
Signal processing method, comprises the following steps:
Step 210, obtains analogue signal, and this analogue signal is provided by simulation signal generator；
In this step, acquired analogue signal can be the analogue signal using various standards, permissible
Be analogue signal of the prior art can also be the analogue signal in WeiLai Technology, these various criterions
Analogue signal is provided by its corresponding simulation signal generator, and this is not carried out fixed by the embodiment of the present application.
Step 220, processes described analogue signal, and analogue signal is converted into mobile terminal high-definition audio and video mark
Quasi-interface (Mobile High-DefinitionLink, hereinafter referred to as MHL) format digital signal；
Process analogue signal acquired in step 210, analogue signal is converted into MHL format digital
Signal.In a step 220, analogue signal is converted into MHL format digital signal, can be according to institute
The analogue signal institute accepted standard difference processed carries out different process, it is to be understood that no matter will
Which kind of analogue signal is converted into MHL format digital signal, can use simulation letter of the prior art
Number method being converted into digital signal.Concrete can be different according to analogue signal institute accepted standard, with
And the chip difference that converts used uses different method for transformation.
Step 230, sends the MHL format digital signal after this conversion；
MHL format digital signal after converting in forwarding step 220.In the particular embodiment, may be used
MHL format digital can be accepted so that the MHL format digital signal after this conversion is sent to any one
In the equipment of signal, such as, the television equipment in video equipment.
Signal processing method in the present embodiment can be independent by obtain simulation signal generator provide mould
Intending signal change into MHL format digital signal and send, the digital signal after this conversion can be sent
To arbitrarily wish to obtain analogue signal that this simulation signal generator provides on video equipment, and this video
Equipment can only be provided with MHL interface, and the analog signal interface corresponding without being provided with this analogue signal.
Thus reduce the product cost of the video equipment including television equipment, improve the utilization rate of video equipment,
And the minimizing of interface can make video equipment outward appearance more succinct, attractive in appearance.
Fig. 3 is another embodiment schematic flow sheet of signal processing method of the present invention, as it is shown on figure 3, this
Clear signal processing method, comprises the following steps:
Step 310, obtains analogue signal, and this analogue signal is provided by simulation signal generator；
Acquired analogue signal can include analog video signal, or, simulated audio signal, it is possible to
To include analog video signal and simulated audio signal simultaneously.This concrete analogue signal includes analog video
Signal, still includes simulated audio signal, or includes analog video signal and simulated audio signal, can
To be distinguished by prior art identification.
Step 321, is converted into MHL format video digital signal by analog video signal；
It is understood that when the analogue signal obtained in step 310 includes analog video signal, this
Inventive embodiments includes being converted into acquired analog video signal MHL format video digital signal,
Method for transformation of the prior art can be used to carry out.
Step 322, is converted into integrated circuit built-in audio bus (Inter IC by simulated audio signal
Sound, hereinafter referred to as I2S) digital signal；
I2S (Inter IC Sound) bus, also known as integrated circuit built-in audio bus, integrated circuit is built-in
Audio-frequency bus is a kind of bus standard of the voice data transmission between digital audio-frequency apparatus, and this bus is specialized in
Data transmission between audio frequency apparatus, is widely used in various multimedia system.
It is understood that when the analogue signal obtained in step 310 includes simulated audio signal, this
Inventive embodiments includes being converted into acquired simulated audio signal I2S format audio digital signal, can
To use method for transformation of the prior art to carry out.
Step 323, is converted into MHL format audio digital signal by I2S digital signal；
In step 323, step 322 can will convert the I2S format audio digital signal obtained again
Secondary convert, change into MHL format audio digital signal, it is to be understood that conversion herein
Method for transformation of the prior art can also be used.
Step 330, sends the digital signal after this conversion；
In the present embodiment, concrete it may be that regard step 321 converts the MHL form obtained
Frequently digital signal and step 323 convert the MHL format audio digital signal obtained to be transmitted.Can
To be understood by, can before transmitting above-mentioned video signal and above-mentioned audio digital signals be carried out
Merging treatment, or do not merge process, concrete can implement according to prior art.
The present embodiment, by distinguishing analog video signal and simulated audio signal in analogue signal, can be used respectively
Different existing transformation technologies converts, and analog video signal is converted into MHL format video
Digital signal, and simulated audio signal is first converted into I2S format audio digital signal and is then converted to MHL
Format audio digital signal, then be transmitted, efficiency transformation efficiency can be improved further.
Additionally, in the present embodiment, acquired analog video signal can be to obtain from component signal source
YPbPr analog video signal；Or, acquired analog video signal can be from AV signal source
The CVBS analog video signal obtained；Or, acquired analog video signal is from VGA signal
The RGB analog video signal that source obtains, or other analog video signal sources acquisition from the prior art
Analog video signal.
Further, in the present embodiment, acquired simulated audio signal can be that component signal source is obtained
The simulated audio signal taken；Or, acquired simulated audio signal can be to obtain from AV signal source
Simulated audio signal；Or, acquired simulated audio signal can obtain from VGA signal source
Simulated audio signal, or other simulated audio signal sources acquisition analog video signal from the prior art.
These audio frequency or video analog signal are commonly used the most in the prior art, are implemented by the application
Example, it may not be necessary to these analog interfaces are set on video equipment and receive analogue signal, such that it is able to
While reducing the cost of video equipment, more make full use of audio frequency or the video signal of prior art, carry
High video equipment and the utilization rate of analogue signal.
Fig. 4 is that signal processor of the present invention real executes example structural representation, and as shown in Figure 4, the present invention believes
Number processor 400 includes:
Acquisition module 410, is used for obtaining analogue signal, and this analogue signal is connected by with this signal processor
Simulation signal generator provide；
Processing module 411, regards for the analogue signal that acquisition module 410 obtains is converted into MHL form
Frequently digital signal；
Sending module 412, for sending the MHL format video digital signal after processing module 411 converts.
In the present embodiment, the simulation that the simulation signal generator obtained is provided that signal processor can be independent
Signal changes into MHL format digital signal and sends, and the digital signal after this conversion can be sent to
Arbitrarily wish to obtain the analogue signal that this simulation signal generator provides on video equipment, and this video sets
The standby MHL interface that can only arrange, and the analog signal interface corresponding without being provided with this analogue signal.Logical
Cross and the processor of the embodiment of the present invention is external on video equipment, can make not comprise analog signal interface
And the video equipment possessing MHL digital interface gets analogue signal, thus reduce and include television equipment
In the product cost of interior video equipment, improve the utilization rate of video equipment simultaneously.
Fig. 5 is that real another of signal processor of the present invention executes example structural representation, as it is shown in figure 5, the present invention
Signal processor 500 includes, acquisition module 510, processing module 511, and sending module 512 is concrete:
Acquisition module 510, is used for obtaining analogue signal, and this analogue signal is connected by with this signal processor
Simulation signal generator provide；
It is understood that the analogue signal acquired in acquisition module 510 can be to use various standards
Analogue signal, the analogue signal of these various criterions is provided by its corresponding simulation signal generator, and the present invention is real
Execute example this not to be defined.
Processing module 511 can include first processing unit the 5111, second processing unit 5112 and the 3rd
Processing unit 5113, wherein:
First processing unit 5111, for being converted into MHL format video numeral letter by analog video signal
Number；
It is understood that when the analogue signal acquired in acquisition module 510 includes analog video signal,
Embodiment of the present invention acquisition module 510 can include the first processing unit 5111, and this first processing unit will
Analog video signal acquired in acquisition module 510 is converted into MHL format video digital signal, permissible
Method for transformation of the prior art is used to carry out.
Second processing unit 5112, for being converted into I2S digital signal by simulated audio signal；
When the analogue signal acquired in acquisition module 510 includes analog video signal, the embodiment of the present invention
Acquisition module 510 can include the second processing unit 5112, by the analog audio acquired in acquisition module 510
Frequently signal is converted into I2S format audio digital signal, and this conversion can use conversion side of the prior art
Method is carried out.
3rd processing unit 5113, for processing the I2S digital signal obtained by the second processing unit 5112
It is converted into MHL format audio digital signal.
3rd processing unit 5113, obtains I2S format digital signal from the second processing unit 5112, and will
It is converted into MHL format digital signal, it is to be understood that conversion herein can also use existing
Method for transformation in technology.
It is understood that the first processing unit 5111 and the 3rd processing unit in the embodiment of the present application
5113 can be same hardware cell, it is also possible to be different hardware cells.
Sending module 512, sends the first processing unit 5111 and the 3rd processing unit 5113 processes and obtains
MHL format digital signal.
The analog video signal that the present embodiment acquisition module 510 obtains is through the first processing unit 5111 and the
Two processing units 5112 process and obtain MHL format video digital signal, the mould that acquisition module 510 obtains
Intend audio signal and obtain MHL lattice through the second processing unit 5112 and the process of the 3rd processing unit 5113
Formula audio digital signals, and finally sent by sending module 512, efficiency can be improved further and convert effect
Rate.
Additionally, the signal processor 500 at the present embodiment can be with external analog signal output equipment phase
Even, analog video signal and the analog audio of the output of analog signal output equipment is obtained by acquisition module 510
Frequently signal.Concrete, in the present embodiment, acquired analog video signal can be from component signal
The YPbPr analog video signal that source obtains；Or, acquired analog video signal can be from AV
The CVBS analog video signal that signal source obtains；Or, acquired analog video signal is from VGA
The RGB analog video signal that signal source obtains.
Further, the simulated audio signal acquired in acquisition module 510 can be that component signal source obtains
Simulated audio signal；Or, the simulated audio signal acquired in acquisition module 510 can be from AV
The simulated audio signal that signal source obtains；Or, the simulated audio signal acquired in acquisition module 510 can
To be the simulated audio signal obtained from VGA signal source.
These audio frequency or video analog signal are commonly used the most in the prior art, such that it is able to reducing
More make full use of audio frequency or the video signal of prior art while the cost of video equipment, improve video
Equipment and the utilization rate of analogue signal.
Fig. 6 is that signal processor of the present invention is real further executes example structural representation, as shown in Figure 6, the present invention
Signal processor, including: video signal Bridge sheet 610, analog-digital converter ADC transducer 620.
It is understood that video signal Bridge sheet 610 can be analogue signal input, digital signal
The chip of output, the digital signal of its output can be HDMI/MHL signal.Mobile terminal high-definition audio and video
Standard interface (Mobile High-Definition Link hereinafter referred to as, MHL) is an interface standard,
This standard interface can connect portable consumer electronic device.HDMI (High
Definition Multimedia Interface, hereinafter referred to as HDMI) Voice & Video can be transmitted simultaneously
Signal, can transmit to high-quality HD video data and the multichannel audb data of uncompressed, and MHL is only
Use a bars cable, can be presented on HDTV by standard HDMI input interface.
As a example by analogue signal is as component analog signals:
Video signal Bridge sheet 610 obtains the analog video signal YPbPr of component signal source output, and
And analog video signal YPbPr is changed into MHL format video number by this video signal Bridge sheet 610
Word signal also exports.
After ADC transducer 620 obtains the audio signal of component signal source output, it is transformed into I2S number
Word signal, and by this signal incoming video signal Bridge sheet 610, it is changed into MHL format audio numeral
Signal also exports.
It is understood that convert the MHL format video obtained through video signal Bridge sheet 610
Digital signal and MHL format audio digital signal can merge process in output, it is also possible to do not enter
Row merging treatment, concrete can realize according to prior art.
As a example by the AV analogue signal of analogue signal AV IN interface output:
Video signal Bridge sheet 610 obtains the analog video signal CVBS of AV signal source output, and
And analog video signal CVBS is changed into MHL format video number by this video signal Bridge sheet 610
Word signal exports.
After ADC transducer 620 obtains the audio signal of AV signal source output, it is transformed into I2S number
Word signal, and this signal is input to video signal Bridge sheet 610, it is changed into MHL format audio number
Word signal.
As a example by the RGB analogue signal that analogue signal exports for VGA signal source:
Video signal Bridge sheet 610 obtains the analog video signal RGB of VGA signal source output, and
And analog video signal RGB is changed MHL format video numeral letter by this video signal Bridge sheet 610
Number.
After ADC transducer obtains the audio signal of VGA signal source output, it is transformed into I2S numeral
Signal, and this signal is input to video signal Bridge sheet 610, it is changed into MHL format audio numeral
Signal.
Concrete: the video signal Bridge sheet 610 in the present embodiment can be analogue signal input,
HDMI/MHL digital signal exports, and ADC transducer 620 can be multipath input audio analogue signal
Turn digital signal converter, can also be both the chip that in prior art, other are concrete.
The HML standard interface power pin of video equipment end is used for inputting 5V power supply, to signal processor
Power supply is provided.It is understood that in the embodiment of the present application, signal processor can be adapter.
The analog video signal interface of standard configuration in television system, such as, in order to obtain CVBS simulation letter
Number AV IN interface, in order to obtain the component interface of YpbPr analogue signal, and VGA removes,
Above-mentioned interface and HML interface are applied on external adapter by the method for the embodiment of the present application,
It is supplied to consumer with accessory form, reduces the cost of tv product, outside the minimizing of interface can make simultaneously
See more succinct, attractive in appearance.The consumer needing above-mentioned interface can buy this programme adapter and meet demand,
Unwanted consumer need not undertake the product expense that this part is brought.The embodiment of the present invention can improve and regards
Frequently equipment and the utilization rate of analogue signal, improves the aesthetic measure of video product.
Device embodiment described above is only schematically, wherein said illustrates as separating component
Unit can be or may not be physically separate, the parts shown as unit can be or
Person may not be physical location, i.e. may be located at a place, or can also be distributed to multiple network
On unit.Some or all of module therein can be selected according to the actual needs to realize the present embodiment
The purpose of scheme.Those of ordinary skill in the art are not in the case of paying performing creative labour, the most permissible
Understand and implement.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each reality
The mode of executing can add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmly
Part.Based on such understanding, the portion that prior art is contributed by technique scheme the most in other words
Dividing and can embody with the form of software product, this computer software product can be stored in computer can
Read in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that one
Computer equipment (can be personal computer, server, or the network equipment etc.) performs each to be implemented
The method described in some part of example or embodiment.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make corresponding skill
The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a signal processing method, it is characterised in that including:
Obtaining analogue signal, described analogue signal is provided by simulation signal generator；
Process described analogue signal, described analogue signal is converted into MHL format digital signal；
Send the MHL format digital signal after described conversion.
Method the most according to claim 1, it is characterised in that described analogue signal includes that simulation regards
Frequently signal, the described MHL format digital signal that described analogue signal is converted into includes:
Described analog video signal is converted into described MHL format video digital signal.
Method the most according to claim 1 and 2, it is characterised in that described analogue signal includes mould
Intending audio signal, the described MHL format digital signal that described analogue signal is converted into includes:
Described simulated audio signal is converted into I2S digital signal；And
Described I2S digital signal is converted into described MHL format audio digital signal.
The most according to the method in claim 2 or 3, it is characterised in that
Described analog video signal is YPbPr analog video signal, and described YPbPr video signal is from component
Signal source obtains；Or
Described analog video signal is CVBS analog video signal, and described CVBS video signal is from AV
Signal source obtains；Or
Described analog video signal is RGB analog video signal, described RGB analog video signal from
VGA signal source obtains.
5. according to the method described in claim, it is characterised in that described simulated audio signal is from described point
Amount signal source obtains；Or, described simulated audio signal obtains from described AV signal source；Or, institute
State simulated audio signal to obtain from described VGA signal source.
6. a signal processor, it is characterised in that including:
Acquisition module, is used for obtaining analogue signal, and described analogue signal is connected by with described signal processor
Simulation signal generator provide；
Processing module, is converted into MHL form for the described analogue signal obtained by described acquisition module
Digital signal；
Sending module, for sending the MHL format digital signal after described processing module converts.
Signal processor the most according to claim 6, it is characterised in that described analogue signal includes
Analog video signal, described processing module includes:
First processing unit, for being converted into described MHL format video number by described analog video signal
Word signal.
8. according to the signal processor described in claim 6 or 7, it is characterised in that described analogue signal
Including simulated audio signal, described processing module also includes:
Second processing unit, for being converted into I2S digital signal by described simulated audio signal；And
3rd processing unit, converts for the I2S digital signal described second processing unit processes obtained
For described MHL format audio digital signal.
9. according to the signal processor described in claim 7 or 8, it is characterised in that
Described analog video signal is YPbPr analog video signal, and described acquisition module can be believed from component
Number source obtains described YPbPr video signal；Or
Described analog video signal is CVBS analog video signal, and described acquisition module can be believed from AV
Number source obtains described CVBS video signal；Or
Described analog video signal is RGB analog video signal, and described acquisition module can be believed from VGA
Number source obtains described RGB analog video signal.
Signal processor the most according to claim 9, it is characterised in that described acquisition module is also
Described simulated audio signal can be obtained from described component signal source；Or, described acquisition module can also
Described simulated audio signal is obtained from described AV signal source；Or, described acquisition module can also be from institute
State VGA signal source and obtain described simulated audio signal.
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| CN201510875742.3A CN105898176A (en) | 2015-12-03 | 2015-12-03 | Signal processing method and signal processor |
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| CN201510875742.3A CN105898176A (en) | 2015-12-03 | 2015-12-03 | Signal processing method and signal processor |
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| CN202026421U (en) * | 2011-05-06 | 2011-11-02 | 周卿权 | HDMI video converter |
| US20140154994A1 (en) * | 2012-12-04 | 2014-06-05 | Brian Keith Mason | Wireless Video/Audio Signal Transmitter/Receiver |
| CN103795952A (en) * | 2013-11-01 | 2014-05-14 | 熊安永 | Automobile-mobile terminal interconnection image transmission equipment |
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| CN204836353U (en) * | 2015-06-24 | 2015-12-02 | 江苏迈特菲光电技术有限公司 | Transition system with multiple signal normalization DVI and SDI |
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Application publication date: 20160824 |