CN100366088C - System for mobile terminal receiving multimedia content, method and apparatus thereof - Google Patents
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Abstract
The present invention relates to a multimedia signal receiving system and a multimedia signal receiving method of a mobile terminal by means of a network, and a multimedia content transmission device for the multimedia signal receiving system. The system of the present invention comprises one or a plurality of multimedia content generation devices, one or a plurality of multimedia content transmission devices and one or a plurality of multimedia content receiving and playing devices, wherein multimedia contents which are obtained from the multimedia content generation devices can be processed by the multimedia content transmission devices. The multimedia content transmission devices can be accessed by the multimedia content receiving and playing devices through a network, and the multimedia contents are received by the multimedia content receiving and playing devices to be played or stored in a real-time mode. The present invention also provides the multimedia signal receiving method of a mobile terminal by means of a network, and the multimedia content transmission device for the multimedia signal receiving system of the present invention. The multimedia content obtaining approaches of a mobile terminal are expanded by the present invention, the data distribution pressure of a program source is reduced, and convenience performance is further enhanced.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to portable terminal obtains content of multimedia from remote terminal technology.
Background technology
Popularizing and development of the communication technology makes people experience convenience that development in Hi-Tech brings with quick.Nowadays, mobile phone can not only provide telephone communication service, and can also provide various added communications business, linking to each other as text/speech/image message business, with the Internet provides Internet business, mobile phone can also have mp3 playing function, broadcast receiver playing function, camera function or the like simultaneously in addition, present many countries developing and releasing can be directly from the mobile phone TV services of program source receiving digital television broadcast.
In addition, Digital Television and set-top box have also been come into people's life day by day, and people can watch digital television program at home easily, and the content stores that oneself is liked is to local.
But, if people are outside family, or when leaving place outside the TV and want to watch digital television program or common simulation TV programme, just run into difficulty; Moreover mobile phone TV services are not only expensive, and when numerous mobile subscribers all by program source obtain content of multimedia the time, increased the burden that program source is carried out program distribution inevitably.
If mobile phone users or portable equipment such as PC, PDA or notebook computer user are by the television set/set-top box of network from long-range direct visit such as family, obtain the words of content of multimedia, obviously, can make people's leisure life more colorful, and bring great convenience for people's work and life.
Summary of the invention
The object of the present invention is to provide a kind of portable terminal through system and method and the content of multimedia grass-hopper of network, so that portable terminal is visited remote terminal quickly and easily by network and therefrom obtained content of multimedia and the broadcast of wanting from the remote terminal receiving multimedia content.
In order to realize above-mentioned purpose of the present invention, according to an aspect of the present invention, the system of a kind of portable terminal through the network receiving multimedia content is provided, comprise: the digital television or set-top box or mobile monitor device, content of multimedia grass-hopper and the content of multimedia reception playing device that have the multimedia transmission interface, wherein, the voice data and the video data of the multi-medium data of the audio signal of the digital television signal after the tuning demodulation and vision signal or mobile monitor device output in direct receiving digital television machine of described multimedia transmission interface or the set-top box; Described content of multimedia grass-hopper has TCP/IP and/or WAP SERVER interface, described content of multimedia grass-hopper receives the audio/video data that comes from above-mentioned multimedia transmission interface, and to its encode, modulation, multiplexing, make it by the transmission of TCP/IP and/or WAP SERVER interface; Described content of multimedia receives playing device can be through this described content of multimedia grass-hopper of access to netwoks, receives above-mentioned content of multimedia and plays in real time or store.
According to a further aspect in the invention, provide the system of a kind of portable terminal through the network receiving multimedia content, comprising: content of multimedia grass-hopper and content of multimedia receive playing device; Wherein, described content of multimedia grass-hopper has TV signal source interface and TCP/IP and/or WAP SERVER interface; Described content of multimedia grass-hopper is through the TV signal in the direct program receiving of TV signal source interface source, and it is carried out tuning demodulation, isolate audio signal and vision signal, respectively to audio signal and video signal coding, modulation, multiplexing then, and can be by TCP/IP and/or the transmission of WAP SERVER interface; Described content of multimedia receives playing device and obtains content of multimedia and play in real time or store through this described content of multimedia grass-hopper of access to netwoks.In accordance with a further aspect of the present invention, provide the system of a kind of portable terminal through the network receiving multimedia content, comprising: content of multimedia storage device, content of multimedia grass-hopper and content of multimedia receive playing device; Wherein said content of multimedia grass-hopper has TCP/IP and/or WAP SERVER interface, described content of multimedia grass-hopper reads content of multimedia from the content of multimedia storage device, isolate voice data and video data and encode respectively, modulate, multiplexing then, by the transmission of TCP/IP and/or WAP SERVER interface, described content of multimedia receives playing device through this described content of multimedia grass-hopper of access to netwoks, receives above-mentioned content of multimedia and plays in real time or store.
According to another aspect of the invention, provide the method for a kind of portable terminal, comprising: obtain the audio/video data that Voice ﹠ Video data after the tuning demodulation of Digital Television or set-top box or mobile monitor device are caught through the network receiving multimedia content; To above-mentioned audio/video data encode, modulation, a series of processing such as multiplexing and make processing after data can pass through Network Transmission; Portable terminal is by access to netwoks and obtain above-mentioned data after treatment and play or store.
According to another aspect of the invention, a kind of portable terminal comprises through the method for network receiving multimedia content: portable terminal sends the television channel of instruction to select from TV signal source to receive; Be separated into audio signal and vision signal after the tuning demodulation of TV signal with the television channel chosen and encode, modulation, multiplexing process and make processing after data can pass through Network Transmission; Portable terminal can be play or store by access to netwoks and the data of obtaining after above-mentioned a series of processing; Send instruction until portable terminal and stop TV reception.According to another aspect of the invention, provide a kind of method of mobile terminal receiving multimedia content, comprising: the content of multimedia that from storage device, reads its storage; To above-mentioned content of multimedia encode, modulation, multiplexing, and can pass through Network Transmission; Portable terminal can be play or store by the data that network obtains after above-mentioned a series of processing.
According to another aspect of the invention, a kind of content of multimedia grass-hopper is provided, be used for from the TV signal source receiving multimedia content, it comprises: TV signal source interface, tuning control module, visual tuning demodulation module, microprocessor, memory module, multimedia processor, coding unit, modulating unit, Multiplexing Unit, network interface, wherein, the TV signal source interface is used for received television signal and sends the visual tuning demodulation module to; Microprocessor is the core of device, the whole operation of its control content of multimedia grass-hopper, instruction that mobile terminal receive sends and processing send tuning control module later, and whether the commands for controlling multi-media signal that sends according to portable terminal sends; Memory module is used to store the content of multimedia grass-hopper and needs canned data and program; Tuning control module, the commands for controlling visual tuning demodulation module that is used for sending according to microprocessor carries out demodulation to the channel of choosing; The visual tuning demodulation module, its TV signal to the channel chosen is carried out tuning demodulation process, and the TV signal after will handling is sent to above-mentioned multimedia processor; Multimedia processor is used for the TV signal after the tuning demodulation of described visual tuning demodulation module handled and isolates audio signal and vision signal; Coding unit is used for audio signal and the encoding video signal respectively described multimedia processor separated; Modulating unit is modulated respectively the audio signal and the vision signal of coding; Multiplexing Unit carries out multiplexing to audio signal and vision signal after the modulation; Network interface receives audio signal and vision signal from Multiplexing Unit, and can transmit by network.
According to another aspect of the invention, a kind of content of multimedia grass-hopper is provided, be used for from Digital Television or set-top box receive after the tuning demodulation content of multimedia or from mobile monitor device receiving multimedia content, it comprises: microprocessor, memory module, coding unit, modulating unit, Multiplexing Unit, network interface, wherein, microprocessor is the core of device, the whole operation of its control content of multimedia grass-hopper; Memory module is used to store the content of multimedia grass-hopper and needs canned data and program; Coding unit is used for audio signal and the encoding video signal respectively described multimedia processor separated, and modulating unit is modulated respectively the audio signal and the vision signal of coding; Multiplexing Unit carries out multiplexing to audio signal and vision signal after the modulation; Network interface receives audio signal and vision signal from Multiplexing Unit, and can transmit by network.
According to another aspect of the invention, a kind of content of multimedia grass-hopper is provided, be used for reading content of multimedia from storage device, it comprises: microprocessor, memory module, multimedia processor, coding unit, modulating unit, Multiplexing Unit, network interface, wherein, microprocessor is the core of device, and the whole operation of its control content of multimedia grass-hopper reads content of multimedia from storage device; Memory module is used to store the content of multimedia grass-hopper and needs canned data and program; Multimedia processor is used for the content of multimedia that microprocessor reads is handled, and isolates audio signal and vision signal; Coding unit is used for audio signal and the encoding video signal respectively described multimedia processor separated, and modulating unit is modulated respectively the audio signal and the vision signal of coding; Multiplexing Unit carries out multiplexing to audio signal and vision signal after the modulation; Network interface receives audio signal and vision signal from Multiplexing Unit, and sends described portable terminal to from network.
In said method of the present invention, system and device, described portable terminal is transportable Wireless/wired terminals such as mobile phone, PC, PDA, possesses the communication function that is connected with base station/computer network.
Utilize said system of the present invention, method and device, mobile phone users is utilized whenever and wherever possible move or the remote terminal of portable terminal device from oneself being familiar with, as receiving multimedia contents such as digital TV, set-top box, thereby make the life of mobile phone users more convenient and diversified.In addition, use the present invention, can also alleviate a large amount of mobile phone users interview show sources and the pressure of the distributing data that produces simultaneously.
Description of drawings
Fig. 1 shows the schematic diagram according to the system of mobile terminal receiving multimedia content of the present invention;
Fig. 2 shows the flow chart according to the method for portable terminal received television signal of the present invention;
Fig. 3 shows the flow chart of the method for the content of multimedia that separates according to portable terminal reception audio frequency of the present invention, vision signal;
Fig. 4 shows the structural representation that is used for directly connecing the content of multimedia grass-hopper of television source interface according to of the present invention;
When Fig. 5 shows according to content of multimedia grass-hopper receiving digital television signal of the present invention, the structural representation of multimedia processor wherein;
When Fig. 6 shows and receives anolog TV signals according to content of multimedia grass-hopper of the present invention, the structural representation of multimedia processor wherein;
Fig. 7 shows the structural representation of the content of multimedia grass-hopper when directly receiving the signal of process decompression of the present invention;
Fig. 8 shows the structural representation of the content of multimedia grass-hopper when storage device reads content of multimedia of the present invention.
Embodiment
The present invention is described in detail with reference to the accompanying drawings, and what be worth emphasizing is that embodiment described below is not a limitation of the present invention just in order to make clearer, the easy to understand of description of the invention.
Be that example describes mainly below with remote mobile terminal user received television signal.
Fig. 1 shows the schematic diagram according to the system of mobile terminal receiving multimedia content of the present invention.In the system of mobile terminal receiving multimedia content shown in Figure 1, set-top box 11, Digital Television 12, mobile monitor device 13, flash memory device 14 all can be respectively by a plurality of content of multimedia grass-hoppers 20, through network, as corresponding network among broadband, IPv4, IPv6,3G, the W-LAN, receive by PC 41, notebook computer 42, palmtop PC 43 and mobile phone 44.Wherein, comprise multiple terminal equipment, as the corresponding network of any or multiple warp in PC, notebook computer, palmtop PC and the mobile phone, as broadband, IPv4, IPv6,3G, W-LAN, can also play as a kind of content of multimedia that obtains in set-top box, Digital Television 12, mobile monitor device 13, the flash memory device etc. from a kind of digital device by the content of multimedia grass-hopper.
Fig. 2 shows the flow chart according to the method for portable terminal received television signal of the present invention.As shown in Figure 2, at step S101, portable terminal sends the frequency-selecting instruction through network; At step S102, analyze the instruction of described mobile phone users, determine to select television channel still to stop to transmit the telecommunications program; At step S103, when mobile phone users sends the frequency-selecting instruction, from the TV signal that receives, select television channel according to this frequency-selecting instruction; At step S104, resolve into audio signal, vision signal after the TV signal demodulation with selected channel; At step S105, respectively with audio signal, encoding video signal; At step S106, respectively audio signal, vision signal are modulated; At step S107, that audio signal, vision signal is multiplexing; At step S108, send by the Internet; At step S109, described portable terminal is by the network received signal and the TV programme of watching selected channel; Send the instruction (step S101) that stops to receive until mobile phone users, stop to send TV signal (step S111) to described mobile phone users.
When the TV signal that is received is analog signal, between above-mentioned steps S104 and step S105, also need a step: respectively simulated audio signal, analog video signal are carried out the A/D conversion, generate digital audio and video signals, digital video signal.
When portable terminal by network obtain the multi-medium data that generates from the mobile monitor device, in television system during through the multi-medium data of tuning demodulation, only need carry out each step in the flow process as shown in Figure 3, promptly, at step S201, obtain the multi-medium data of audio signal, vision signal separation; At step S202, respectively with audio signal, encoding video signal; At step S203, respectively audio signal, vision signal are modulated; At step S204, that audio signal, vision signal is multiplexing; At step S205, send by the Internet; At step S206, portable terminal received signal and the TV programme of watching selected channel.
When portable terminal reads content of multimedia by network from storage device, to compare with flow process shown in Figure 3, difference is, at step S201, the content of multimedia that reads is decompressed, and is separated into voice data and video data.
In said method, transmit the network of content of multimedia and can select the network that suits according to the kind of the characteristic of the content of multimedia that is received and portable terminal, for example, when being TV signal for content of multimedia, when portable terminal is mobile phone, can send instruction and TV reception by broadband, IPv4, IPv6,3G, W-LAN.
For the content of multimedia grass-hopper, when deriving from different digital devices, multi-media signal that it transmitted can adopt different settings.
Fig. 4 shows the structural representation according to content of multimedia grass-hopper of the present invention.As shown in Figure 4, the content of multimedia grass-hopper is used for from the TV signal source receiving multimedia content, and it comprises: TV signal source interface 1, microprocessor 2, tuning control module 3, visual tuning demodulation module 4, multimedia processor 5, memory module 6, coding unit 7, modulating unit 8, Multiplexing Unit 9 and network interface 10.Wherein, mobile phone users sends by network and instructs to microprocessor 1,1 pair of this instruction of microprocessor is handled and is sent to tuning control module 3 then, and the TV signal that is received from TV signal source interface 1 by tuning control module 3 control visual tuning demodulation modules 4 is the TV signal of the channel that will select; TV signal is sent to multimedia processor 5 after 4 demodulation of visual tuning demodulation module, decompressed by multimedia processor 5; Encoded afterwards unit 7, modulating unit 8 be respectively to audio signal, encoding video signal, modulation, sends required portable terminal after Multiplexing Unit 9 is multiplexing to by network interface 10.Wherein, microprocessor 1 is the core of whole device, the whole operation of its control content of multimedia grass-hopper, instruction that its mobile terminal receive sends and processing, send tuning control module 3 afterwards to, and whether the commands for controlling multi-media signal that sends according to portable terminal sends; Memory module 6 storage content of multimedia grass-hoppers need canned data and program.
In above-mentioned content of multimedia grass-hopper, described network interface can be TCP/IP or WAPSERVER interface, can make content of multimedia pass through broadband, IPv4, IPv6,3G, W-LAN transmission.
In above-mentioned content of multimedia grass-hopper, when described multimedia processor receiving digital television signal, its structure can comprise as shown in Figure 5: decompression unit, and the digital television signal that is used for receiving decompresses; Sizer (big or small manager), the resolution that changes the video image that above-mentioned decompression unit and scan pattern conversion portion transmit is to adapt to the needs that the LCD module shows; Figure image intensifying part is to carrying out enhancement process such as sharpening through the sizer processed images.
In above-mentioned content of multimedia grass-hopper, when the TV signal that the visual tuning demodulation module receives is analog signal, the analog signal of output will convert digital signal to through A/D converter from visual tuning demodulation module 4, and then enters multimedia processor 5 and handle accordingly.At this moment, described multimedia processor 5 can adopt structure as shown in Figure 6, promptly comprises: decompression unit, and the digital television signal that is used for receiving decompresses; The scan pattern conversion portion, the vision signal in will the anolog TV signals after analog-to-digital conversion is converted into from interlacing scan lines by line scan to carry out relevant treatment; Sizer (big or small manager), the resolution that changes the video image that above-mentioned decompression unit and scan pattern conversion portion transmit is to adapt to the needs that the LCD module shows; Figure image intensifying part is to carrying out enhancement process such as sharpening through the sizer processed images.
When directly from Digital Television, set-top box when the audio signal of the TV signal after the tuning demodulation and vision signal, perhaps directly when the mobile monitor device receives the multi-medium data of its generation, can adopt content of multimedia grass-hopper shown in Figure 7, its under the control of microprocessor 2, with the audio signal of separating and the respectively encoded unit of vision signal 7 codings, through modulating unit 8 modulation, then through Multiplexing Unit 9 that audio signal and vision signal is multiplexing, can transmit by network interface 10.
When directly when storage device reads content of multimedia, can adopt content of multimedia grass-hopper shown in Figure 8, it is under the control of microprocessor 2, read content of multimedia from storage device, handle through multimedia processor 5 and to isolate audio signal, vision signal, distinguish then encoded unit 7 codings, through modulating unit 8 modulation, again through Multiplexing Unit 9 that audio signal and vision signal is multiplexing, can transmit by network interface 10.Wherein said multimedia processor 5 can adopt structure shown in Figure 5.
Certainly; the present invention also has other various embodiments; what can understand is; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (19)
1. a portable terminal comprises through the system of network receiving multimedia content: have the digital television of multimedia transmission interface or set-top box or mobile monitor device, content of multimedia grass-hopper and content of multimedia and receive playing device, wherein,
The voice data and the video data of the multi-medium data of the audio signal of the digital television signal in direct receiving digital television machine of described multimedia transmission interface or the set-top box after the tuning demodulation and vision signal or the output of mobile monitor device; Described content of multimedia grass-hopper has TCP/IP and/or wireless application protocol server interface, described content of multimedia grass-hopper receives the audio/video data that comes from above-mentioned multimedia transmission interface, and to its encode, modulation, multiplexing, make it by the transmission of TCP/IP and/or wireless application protocol server interface; Described content of multimedia receives playing device can be through this described content of multimedia grass-hopper of access to netwoks, receives above-mentioned content of multimedia and plays in real time or store.
2. a portable terminal comprises through the system of network receiving multimedia content: content of multimedia grass-hopper and content of multimedia receive playing device; Wherein,
Described content of multimedia grass-hopper has TV signal source interface and TCP/IP and/or wireless application protocol server interface; Described content of multimedia grass-hopper is through the TV signal in the direct program receiving of TV signal source interface source, and it is carried out tuning demodulation, isolate audio signal and vision signal, respectively to audio signal and video signal coding, modulation, multiplexing then, and can be by TCP/IP and/or the transmission of wireless application protocol server interface; Described content of multimedia receives playing device through this described content of multimedia grass-hopper of access to netwoks, receives above-mentioned content of multimedia and plays in real time or store.
3. system according to claim 2, it is characterized in that, when TV signal is analog signal, after described content of multimedia grass-hopper carries out tuning demodulation to the TV signal that receives, isolate simulated audio signal and analog video signal, convert digital audio and video signals and digital video signal to through A/D converter respectively, respectively to digital audio and video signals and encoding digital video signals, modulation, multiplexing then again.
4. a portable terminal comprises through the system of network receiving multimedia content: content of multimedia storage device, content of multimedia grass-hopper and content of multimedia receive playing device; Wherein said content of multimedia grass-hopper has TCP/IP and/or wireless application protocol server interface, described content of multimedia grass-hopper reads content of multimedia from the content of multimedia storage device, isolate voice data and video data and encode respectively, modulate, multiplexing then, by the transmission of TCP/IP and/or wireless application protocol server interface, described content of multimedia receives playing device through the described content of multimedia grass-hopper of access to netwoks, receives above-mentioned content of multimedia and plays in real time or store.
5. according to the described system of one of claim 1-4, it is characterized in that,
It is mobile phone or palmtop PC or PC or notebook computer that described content of multimedia receives playing device.
6. according to the described system of one of claim 1-4, it is characterized in that,
Described network is broadband or IPv4 or IPv6 or 3G net or W-LAN net.
7. a portable terminal comprises through the method for network receiving multimedia content:
Obtain the audio/video data that Voice ﹠ Video data after the tuning demodulation of Digital Television or set-top box or mobile monitor device are caught;
To above-mentioned audio/video data encode, modulation, multiplexing process and make processing after data can pass through Network Transmission;
Portable terminal is by access to netwoks and obtain above-mentioned data after treatment and play or store.
8. a portable terminal comprises through the method for network receiving multimedia content:
Portable terminal sends the television channel of instruction to select from TV signal source to receive;
Be separated into audio signal and vision signal after the tuning demodulation of TV signal with the television channel chosen and encode, modulation, multiplexing process, and make the data after the processing can pass through Network Transmission;
Portable terminal is play or is stored by access to netwoks and the data obtained after treatment;
Send instruction until portable terminal and stop TV reception.
9. method according to claim 8 is characterized in that,
When the TV signal that is received is analog signal, before to the audio signal of separating, video signal coding, carry out the A/D conversion, to generate digital audio and video signals, digital video signal.
10. the method for a mobile terminal receiving multimedia content comprises:
From storage device, read the content of multimedia of its storage;
To above-mentioned content of multimedia encode, modulation, multiplexing process, and make the data after the processing can pass through Network Transmission;
Portable terminal is play or is stored by the data that network obtains after treatment.
11. one of according to Claim 8-10 described method is characterized in that,
Described portable terminal is mobile phone or palmtop PC or PC or notebook computer.
12. one of according to Claim 8-10 described method is characterized in that described network is broadband or IPv4 or IPv6 or 3G net or W-LAN net.
13. content of multimedia grass-hopper, be used for from the TV signal source receiving multimedia content, it comprises: TV signal source interface, tuning control module, visual tuning demodulation module, microprocessor, memory module, multimedia processor, coding unit, modulating unit, Multiplexing Unit, network interface, wherein
The TV signal source interface is used for received television signal and sends the visual tuning demodulation module to;
Microprocessor is the core of device, the whole operation of its control content of multimedia grass-hopper, instruction that mobile terminal receive sends and processing send tuning control module later, and whether the commands for controlling multi-media signal that sends according to portable terminal sends;
Memory module is used to store the content of multimedia grass-hopper and needs canned data and program;
Tuning control module, the commands for controlling visual tuning demodulation module that is used for sending according to microprocessor carries out demodulation to the channel of choosing;
The visual tuning demodulation module, its TV signal to the channel chosen is carried out tuning demodulation process, and the TV signal after will handling is sent to above-mentioned multimedia processor;
Multimedia processor is used for the TV signal after the tuning demodulation of described visual tuning demodulation module handled and isolates audio signal and vision signal;
Coding unit is used for audio signal and the encoding video signal respectively described multimedia processor separated;
Modulating unit is modulated respectively the audio signal and the vision signal of coding;
Multiplexing Unit carries out multiplexing to audio signal and vision signal after the modulation;
Network interface receives audio signal and vision signal from Multiplexing Unit, and can transmit by network.
14. device according to claim 13 is characterized in that, when TV signal was digital signal, described multimedia processor comprised:
Decompression unit, the digital television signal that is used for receiving decompresses;
The size manager, the resolution that changes the video image that above-mentioned decompression unit transmits is to adapt to the needs that the LCD module shows;
Figure image intensifying part is carried out enhancement process to the image of crossing through big or small manager processes.
15. device according to claim 13, it is characterized in that, when TV signal is analog signal, also comprise: A/D converter, be used for converting simulated audio signal, the vision signal of the output of visual tuning demodulating unit to digital signal, and then send into described multimedia processor, described multimedia processor comprises:
Decompression unit, the digital television signal that is used for receiving decompresses;
The scan pattern conversion portion, the vision signal in will the anolog TV signals after analog-to-digital conversion is converted into from interlacing scan lines by line scan to carry out relevant treatment;
The size manager, the resolution that changes the video image that above-mentioned decompression unit and scan pattern conversion portion transmit is to adapt to the needs that the LCD module shows;
Figure image intensifying part is carried out enhancement process to the image of crossing through big or small manager processes.
16. a content of multimedia grass-hopper is used for receiving the content of multimedia after the tuning demodulation or from mobile monitor device receiving multimedia content, it comprises: microprocessor from Digital Television or set-top box, memory module, coding unit, modulating unit, Multiplexing Unit, network interface, wherein
Microprocessor is the core of device, the whole operation of its control content of multimedia grass-hopper;
Memory module is used to store the content of multimedia grass-hopper and needs canned data and program;
Coding unit is used for audio signal and the encoding video signal respectively described multimedia processor separated,
Modulating unit is modulated respectively the audio signal and the vision signal of coding;
Multiplexing Unit carries out multiplexing to audio signal and vision signal after the modulation;
Network interface receives audio signal and vision signal from Multiplexing Unit, and can transmit by network.
17. a content of multimedia grass-hopper is used for reading content of multimedia from storage device, it comprises: microprocessor, and memory module, multimedia processor, coding unit, modulating unit, Multiplexing Unit, network interface, wherein,
Microprocessor is the core of device, and the whole operation of its control content of multimedia grass-hopper reads content of multimedia from storage device;
Memory module is used to store the content of multimedia grass-hopper and needs canned data and program;
Multimedia processor is used for the content of multimedia that microprocessor reads is handled, and isolates audio signal and vision signal;
Coding unit is used for audio signal and the video letter respectively described multimedia processor separated
Number encode,
Modulating unit is modulated respectively the audio signal and the vision signal of coding;
Multiplexing Unit carries out multiplexing to audio signal and vision signal after the modulation;
Network interface receives audio signal and vision signal from Multiplexing Unit, and sends described portable terminal to from network.
18. device according to claim 17 is characterized in that, described multimedia processor comprises:
Decompression unit is used for content of multimedia is decompressed;
The size manager, the resolution that changes the video image that above-mentioned decompression unit transmits is to adapt to the needs that the LCD module shows;
Figure image intensifying part is carried out enhancement process to the image of crossing through big or small manager processes.
19., it is characterized in that described network interface is TCP/IP or wireless application protocol server interface according to any described device of claim among the claim 13-18.
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| CN100473098C (en) | 2007-01-11 | 2009-03-25 | 中兴通讯股份有限公司 | Multiplexing transmission interface method of electronic service guide |
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| CN1674673A (en) | 2005-09-28 |
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