CN110312096A - Multimedia signal processing apparatus - Google Patents
Multimedia signal processing apparatus Download PDFInfo
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- CN110312096A CN110312096A CN201810336669.6A CN201810336669A CN110312096A CN 110312096 A CN110312096 A CN 110312096A CN 201810336669 A CN201810336669 A CN 201810336669A CN 110312096 A CN110312096 A CN 110312096A
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- 230000015556 catabolic process Effects 0.000 description 1
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Classifications
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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
Abstract
The invention discloses a kind of multimedia signal processing apparatus, including code device, signal dividing cell, multi-standard modulation unit and signal output unit.Code device includes the processing unit with multiple cores, and processing unit multimedia signal receiving carries out coded treatment to multi-media signal, to generate encoded signal, and generates indication signal.Signal dividing cell received encoded signal and indication signal, and according to indication signal, encoded signal is shunted, to generate multiple shunting signals.Multi-standard modulation unit receives shunting signal, and carries out multi-standard modulation to shunting signal, to generate multiple multi-standard modulating signals.Signal output unit receives multi-standard modulating signal, and mixes to multi-standard modulating signal, to export mixed carrier signal.Through the invention, normal play and display are effectively carried out on the DTV of different systems specification, without being limited by region or area, use upper convenience to increase.
Description
Technical field
The present invention relates to the technical field of processing unit more particularly to a kind of multimedia signal processing apparatus.
Background technique
Broadcast system is ubiquitous in life, has been trend in the multimedia now of network prosperity, can penetrate
Network transmits digital television signal in a wired or wireless manner.In general, digital television signal is through code device
It after being encoded, broadcasts by the signal after coding, is played out so that the signal after coding is transmitted to DTV.
However, existing code device is only limited to single channel, and can only with single standard to the signal after coding into
Row standard modulation, and make using convenience be restricted.If in addition, the DTV used in sales field or general merchandise exhibition
For the TV with different systems, can be limited by area or region, so that certain DTVs will be unable to normally, so will cause
Use upper inconvenience.Therefore, the processing mode of multi-media signal still has improved space.
Summary of the invention
The invention reside in a kind of multimedia signal processing apparatus is provided, effectively in the DTV of different systems specification
Upper progress normal play and display use upper convenience without being limited by region or area to increase.
To solve the above problems, the embodiment of the present invention provides a kind of multimedia signal processing apparatus, including code device, letter
Number dividing cell, multi-standard modulation unit and signal output unit.Code device includes the processing unit with multiple cores, place
Unit multimedia signal receiving is managed, coded treatment is carried out to multi-media signal, to generate encoded signal, and generates indication signal.
Signal dividing cell couples code device, received encoded signal and indication signal, and according to indication signal, encoded signal is carried out
It shunts, to generate multiple shunting signals.Multi-standard modulation unit couples signal dividing cell, receives shunting signal, and to shunting
Signal carries out multi-standard modulation, to generate multiple multi-standard modulating signals.Signal output unit couples multi-standard modulation unit, connects
Multi-standard modulating signal is received, and multi-standard modulating signal is mixed, to export mixed carrier signal.
According to the technique and scheme of the present invention, by the processing unit in code device with multiple cores to multi-media signal
Coded treatment is carried out, to generate encoded signal, and generates indication signal, then through signal dividing cell according to indication signal, it will
Encoded signal is shunted, and to generate multiple shunting signals, and multi-standard modulation unit carries out Fourier (Fast to shunting signal
Fourier Transform, FFT) and multi-standard modulation, to generate multiple identical or different multi-standard modulating signal, and
Multiple multi-standard modulating signals are mixed through signal output unit, to be output on the frequency band of multiple carrier waves, frequency
Section is 50MHz to 2400MHz, and each modulating signal carrier widths section can carry out band bandwidth according to various countries' surface wave specification
Adjustment, such as DVB-T standard can transmit 5MHz, 6MHz, 7MHz, 8MHz etc..Also can multi-standard modulating signal change into J83a,
J83b, J83c, DVB-T2, ISDB-T, ATSC, DTMB, DVB-S, DVB-S2 etc., in this way, can be effectively in different systems
Normal play and display are carried out on the DTV of formula specification, without being limited by region or area, to increase using upper
Convenience.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of multimedia signal processing apparatus according to an embodiment of the present invention.
Fig. 2 is another schematic diagram of multimedia signal processing apparatus according to an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with drawings and the specific embodiments, to this
Invention is described in further detail.
In each embodiment being exemplified below, the same or similar component or component will be represented with identical label.
Fig. 1 is the schematic diagram of multimedia signal processing apparatus according to an embodiment of the present invention.Multimedia signal processing apparatus
100 include code device 110, signal dividing cell 120, multi-standard modulation unit 130, signal output unit 140 and multimedia
Device 150.
Code device 110 includes the processing unit 111 with multiple cores.111 multimedia signal receiving of processing unit, it is right
Multi-media signal carries out coded treatment, to generate encoded signal, and generates indication signal.
In the present embodiment, code device 110 for example, mobile phone or computer or the hardware core that can be encoded
(Encoder Core) cell arrangement, and code device 110 is for example coupled through the mode of wired or wireless (such as network)
Multimedia device 150, to receive multi-media signal provided by multimedia device 150.Wherein, multimedia device is, for example, SD
Memory card, USB flash disk, hard disk, solid state hard disk etc., and multi-media signal is for example including image, sound and data etc..
In addition, processing unit 111 carries out the coded format of coded treatment for example including MPEG Layer to multi-media signal
1, MPEG Layer 2, MPEG Layer 3, MPEG Layer 4, H.264 (Advanced Video Coding, abbreviation
AVC), H.265 (High Efficiency Video Coding, abbreviation HEVC), AAC (Advanced Audio Coding),
AC3 (Arc-Consistency Algorithm 3) etc..In addition, processing unit 111 can for example be produced according to the quantity of its core
Raw corresponding indication signal, wherein indication signal is to indicate that encoded signal is segmented into several channels.As an example it is assumed that place
The quantity for managing the core of unit 111 is 2, then processing unit 111 for example generates the indication signal of " 2 ", to indicate coding letter
Number it is segmented into 2 channels.Assuming that the quantity of the core of processing unit 111 is 4, then processing unit 111 for example generates " 4 "
Indication signal, to indicate that encoded signal is segmented into 4 channels.Assuming that the quantity of the core of processing unit 111 is 8, then
Processing unit 111 for example generates the indication signal of " 8 ", to indicate that encoded signal is segmented into 8 channels.Remaining processing unit
The quantity of 111 core can then be analogized, therefore details are not described herein.
Signal dividing cell 120 couples code device 110, received encoded signal and indication signal, and according to indication signal,
Encoded signal is shunted, to generate multiple shunting signals.As an example it is assumed that indication signal is " 2 ", presentation code signal
2 channels are segmented into, then encoded signal can be then split into 2 shunting signals by signal dividing cell 120.Assuming that indication signal
For " 4 ", presentation code signal is segmented into 4 channels, then encoded signal can be divided into 4 shunting letters by signal dividing cell 120
Number.Assuming that indication signal is " 8 ", presentation code signal is segmented into 8 channels, then signal dividing cell 120 can believe coding
Number it is divided into 8 shunting signals.
Multi-standard modulation unit 130 couples signal dividing cell 120, receives shunting signal, and carries out to shunting signal more
Standard modulation, to generate multiple multi-standard modulating signals.Wherein, the corresponding standard of aforesaid plurality of multi-standard modulating signal can phase
With or it is not identical.That is, multi-standard modulation unit 130 carries out Fourier (Fast Fourier to shunting signal
Transform, FFT) and multi-standard modulation, to generate multiple identical or different multi-standard modulating signal.
Furthermore, it is understood that multi-standard modulation unit 130 includes multiple multi-standard modulator 131_1~131_N, wherein N is
Positive integer greater than 1.Also, the quantity phase of the quantity of multi-standard modulator 131_1~131_N and the core of processing unit 111
Matching.As an example it is assumed that the quantity of the core of processing unit 111 is 2, then the quantity of multi-standard modulator is also 2, example
Such as multi-standard modulator 131_1~131_2.Assuming that the quantity of the core of processing unit 111 is 4, then multi-standard modulator
Quantity is also 4, such as multi-standard modulator 131_1~131_4.Assuming that the quantity of the core of processing unit 111 is 8, then
The quantity of multi-standard modulator is also 8, such as multi-standard modulator 131_1~131_8.Remaining multi-standard modulator 131_1
The quantity of~131_N and the quantity of the core of processing unit 111 match, and analogize, therefore details are not described herein.
Assuming that shunting signal is for 2, such as shunting signal TS1, TS2.In one embodiment, multi-standard modulation unit
2 shunting signals TS1, TS2 are carried out multiple standard modulations by 130, such as with standard A to shunting signal TS1 progress modulation, and with
Standard B carries out modulation to shunting signal TS2, with the standard modulation letter for generating the modulating signal for meeting standard A with meeting standard B
Number.Therefore, it is different then to export corresponding standard for standard modulating signal caused by multi-standard modulation unit 130.
In another embodiment, 2 shunting signals TS1, TS2 are carried out multi-standard modulation, example by multi-standard modulation unit 130
As carried out same standard modulation to shunting signal TS1 and TS2 with standard A and B simultaneously, to generate 2 tune for meeting standard A and B
Varying signal.Therefore, it is identical then to export corresponding standard for standard modulating signal caused by multi-standard modulation unit 130.
Wherein, standard corresponding to aforementioned multi-standard modulation is for example including J83A, J83B, J83C, advanced television standard committee
Member's meeting (Advanced Television Systems Committee, ATSC), ground digital television broadcast (Digital
Video Broadcasting-Terrestrial, DVB-T), (the Digital Video of ground digital television broadcast 2
Broadcasting-Terrestrial 2, DVB-T2), digital video broadcast-satellite (Digital Video
Broadcasting-Satellite, DVB-S), (the Digital Video Broadcasting- of digital video broadcast-satellite 2
Satellite 2, DVB-S2), terrestrial DTV multimedia broadcasting (Digital Terrestrial Multimedia
Broadcast, DTMB), floor synthetic digital service broadcast (Integrated Services Digital
Broadcasting-Terrestrial, ISDB-T) at least secondly.
Signal output unit 140 couples multi-standard modulation unit 130, receives the multiple multi-standard tune for being loaded in different frequency ranges
Varying signal, and each channel carrier signal is mixed on same output terminal, to export mixed carrier signal.Wherein, mixed carrier is believed
On the frequency band of number exportable multiple carrier waves, frequency separation is 50MHz to 2400MHz, and each modulating signal carrier widths area
Between can according to various countries' surface wave specification carry out band bandwidth adjust, by taking one of standard modulation as an example, DVB-T standard can be passed
Defeated 5MHz, 6MHz, 7MHz, 8MHz etc..Also, mixed carrier signal can be exported further to more DTVs, so that these
DTV is decoded and is handled accordingly to mixed carrier signal, in order to play correspondence on these DTVs
Multi-media signal.
Furthermore, it is understood that signal output unit 140 includes signal mixed cell 141 and the first connection unit 142.Wherein,
Signal mixed cell 141 couple multi-standard modulation unit 130, receive multi-standard modulating signal, and to multi-standard modulating signal into
Row mixing, to generate mixed carrier signal.First connection unit 142 couples signal mixed cell 141, receives and exports mixing load
Wave signal.
In the present embodiment, the first connection unit 142 be, for example, coaxial cable, can effectively extend signal transmission away from
From there is the problems such as infull decline, data, easily broken news in transmission process to avoid signal.That is, mixed carrier signal is
Mixed carrier signal can be exported to more DTVs through wired mode, so that these DTVs are to mixed carrier
Signal is decoded and is handled accordingly, in order to play corresponding multi-media signal on these DTVs.First
Connection unit 142 is also possible to transmission antenna, so that mixed carrier signal can also penetrate wireless mode for mixed carrier signal
It exports to more Digital TV Receivings.
Also, aforementioned more DTVs can be used as airport, the multi-screen of train shift report is shown, such as commercial advertisement machine
Or electronics notice system.Also, aforementioned more DTVs can also be placed on different positions, for example, one parlor,
Three still can pass through a coaxial cable and receive multi-media signal handled by the present embodiment in not chummery, these DTVs,
And play and show identical multi-media signal, upper convenience is used to increase.In addition, mixing caused by the present embodiment carries
Wave signal can have multiple and different standards so that the DTV of different systems specification still can normal play and display, and
It is not limited by area or region, can also increase and use upper convenience.
Fig. 2 is another schematic diagram of multimedia signal processing apparatus according to an embodiment of the present invention.Multi-media signal processing
Device 200 includes code device 110, signal dividing cell 210, multi-standard modulation unit 130 and signal output unit 140.Its
In, code device 110, the connection relationship of multi-standard modulation unit 130 and signal output unit 140 and its relevant operation and Fig. 1
Code device 110, multi-standard modulation unit 130 it is same or similar with signal output unit 140, can refer to the embodiment of Fig. 1
Explanation, therefore details are not described herein.
In addition, signal output unit 140 also may include signal mixed cell 141 and the first connection unit 142, and believe
The connection relationship and its relevant operation of number mixed cell 141 and the first connection unit 142 also with the signal mixed cell 141 of Fig. 1
It is same or similar with the first connection unit 142, it can refer to the explanation of the embodiment of Fig. 1, therefore details are not described herein.
Signal dividing cell 210 includes the second connection unit 211 and signal current divider 212.In the present embodiment, second connects
Order member 211 is, for example, to have network (Ethernet) interface, universal serial bus (Universal Serial Bus, USB)
The connector of the computer bus interface of interface or PCI-express, mini-PCI-express.
Signal current divider 212 couples the second connection unit 211, through 211 received encoded signal of the second connection unit and refers to
Show signal, and according to indication signal, encoded signal is shunted, to generate shunting signal.
That is, code device 110 can be set into first device, and signal dividing cell 210, multi-standard modulation list
Member 130 can be integrated into second device with signal output unit 140, that is, first device is separately positioned with second device, and
And first device can be attached with second device through the second connection unit 211.
In conclusion according to the technique and scheme of the present invention, by having the processing unit pair of multiple cores in code device
Multi-media signal carries out coded treatment, to generate encoded signal, and generates indication signal, then through signal dividing cell according to finger
Show signal, encoded signal is shunted, to generate multiple shunting signals, and multi-standard modulation unit is more to shunting signal progress
Standard modulation to generate multiple multi-standard modulating signals, and mixes multi-standard modulating signal through signal output unit,
To export mixed carrier signal.In this way, which normal play can be carried out effectively on the DTV of different systems specification
And display uses upper convenience without being limited by region or area to increase.Due to passing through Fourier (FFT) modulation
Digital Signal Processing and DTV multi-standard coding after, can pass through wirelessly or non-wirelessly transmit, carry out digital television broadcasting,
Such as signal transmission is carried out through coaxial cable, effectively extend the distance of signal transmission, to avoid signal in transmission process
There is the problems such as infull signal degradation, data, easily broken news.
The above description is only an embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (9)
1. a kind of multimedia signal processing apparatus characterized by comprising
Code device, including the processing unit with multiple cores, the processing unit multimedia signal receiving, to more matchmakers
Body signal carries out coded treatment, to generate encoded signal, and generates indication signal；
Signal dividing cell couples the code device, receives the encoded signal and the indication signal, and according to the finger
Show signal, the encoded signal is shunted, to generate multiple shunting signals；
Multi-standard modulation unit couples the signal dividing cell, receives the multiple shunting signal, and to the multiple shunting
Signal carries out multi-standard modulation, to generate multiple multi-standard modulating signals；
Signal output unit couples the multi-standard modulation unit, receives the multiple multi-standard modulating signal, and to described more
A multi-standard modulating signal is mixed, to export mixed carrier signal.
2. multimedia signal processing apparatus according to claim 1, which is characterized in that the multi-standard modulation unit includes
Multiple multi-standard modulators, wherein the quantity of the quantity and the multiple core of the multiple multi-standard modulator matches.
3. multimedia signal processing apparatus according to claim 1, which is characterized in that the signal output unit includes:
Signal mixed cell couples the multi-standard modulation unit, receives the multiple multi-standard modulating signal, and to described more
A multi-standard modulating signal is mixed, to generate the mixed carrier signal；
First connection unit couples the signal mixed cell, receives and exports the mixed carrier signal.
4. multimedia signal processing apparatus according to claim 3, which is characterized in that first connection unit is coaxial
Cable.
5. multimedia signal processing apparatus according to claim 1, which is characterized in that the signal dividing cell includes:
Second connection unit；
Signal current divider couples second connection unit, receives the encoded signal and institute through second connection unit
Indication signal is stated, and according to the indication signal, the encoded signal is shunted, to generate the multiple shunting signal.
6. multimedia signal processing apparatus according to claim 5, which is characterized in that second connection unit be with
Network interface, Universal Serial Bus Interface, PCI-express, mini-PCI-express computer bus interface connection
Device.
7. multimedia signal processing apparatus according to claim 1, which is characterized in that the code device is mobile phone or meter
Calculation machine or the hardware core cell arrangement that can be encoded.
8. multimedia signal processing apparatus according to claim 1, which is characterized in that further include:
Multimedia device couples the code device, provides the multi-media signal.
9. multimedia signal processing apparatus according to claim 8, which is characterized in that the multimedia device is SD memory
Card, USB flash disk, hard disk, solid state hard disk.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107109489 | 2018-03-20 | ||
| TW107109489A TWI653865B (en) | 2018-03-20 | 2018-03-20 | Multimedia signal processing device |
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| CN110312096A true CN110312096A (en) | 2019-10-08 |
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| CN201810336669.6A Pending CN110312096A (en) | 2018-03-20 | 2018-04-16 | Multimedia signal processing apparatus |
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| CN1122550A (en) * | 1993-07-14 | 1996-05-15 | 德克萨斯仪器股份有限公司 | Method and device for multi-format television |
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| JP2005109553A (en) * | 2003-09-26 | 2005-04-21 | Sony Corp | Video output apparatus and video output method |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI653865B (en) | 2019-03-11 |
| TW201941572A (en) | 2019-10-16 |
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