CN100422906C - Video-audio playing system - Google Patents
Video-audio playing system Download PDFInfo
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- CN100422906C CN100422906C CNB2005101180977A CN200510118097A CN100422906C CN 100422906 C CN100422906 C CN 100422906C CN B2005101180977 A CNB2005101180977 A CN B2005101180977A CN 200510118097 A CN200510118097 A CN 200510118097A CN 100422906 C CN100422906 C CN 100422906C
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Abstract
A video-audio playing system is featured as enabling to use notebook computer to view and write in video program in real time without necessity of entering notebook computer into operation system and making notebook computer be operated at even more lower energy-saving mode by integrating relevant circuits to be single integrated circuit and by utilizing proper power source management when viewing and writing in operation is carried on.
Description
Technical field
The invention relates to a kind of computer system, and particularly relevant for a kind of notebook computer and integrated circuit with TV functions thereof.
Background technology
Desktop computer systems design at present has the function of viewing and admiring TV programme in real time, and television program record can be become CD in hard disk or burning in real time.But these a little functions need framework on the operating system of simplifying, for example Linux.So, when viewing and admiring TV programme, just must carry out related operation, to carry out necessary working program (Linux) by the central processing unit in the computer system.That is to say, because of needing the running of central processing unit, so the power consumption of computer system has relatively just improved.When especially recording (copy) or burning operation, computer system need be opened more associative operation circuit and be carried out necessary programs to carry out the burning operation, so will make that the power consumption of computer system is more huge.
Therefore, when above-mentioned architecture design during in notebook computer, under battery powered state, this kind design, when watching TV in real time, will significantly shorten the service time of notebook computer, and allow the user need to replenish every now and then power supply, increase the inconvenience on using.Therefore how will watch the function of TV/video/program to design in notebook computer in real time, and reduce and watch or the power consumption when recording is the problem that industry need solve, so that the service time of notebook computer is longer.
Summary of the invention
In view of this, purpose of the present invention is exactly that a kind of video-audio playing system that is applied in the notebook computer is being provided, and makes notebook computer need not to enter in the operating system and just can watch in real time and burning TV programme or video frequency program.
According to purpose of the present invention, a kind of video-audio playing system that is applied to notebook computer is proposed, wherein notebook computer has display device, sound-producing device and storage device, video-audio playing system then comprises: analog demodulator, be used to receive anolog TV signals, and export first video-audio signal according to this; Digital demodulator is used for receiving digital television signal, and exports second video-audio signal according to this; And video processing unit, be used to receive first video-audio signal, second video-audio signal and vision signal, and drive display device and sound-producing device according to this, this video-audio signal and vision signal are converted to audio-visual burning data, be stored in storage device.Under notebook computer did not enter operating system, video-audio playing system was to drive display device, sound-producing device and storage device according to first video-audio signal, second video-audio signal and vision signal.Wherein this video processing circuits comprises: audio-visual driver element, in order to according to this first video-audio signal, this second video-audio signal and this vision signal driving this display device and this sound-producing device, and this first video-audio signal and this vision signal are converted to the digital audio-video signal; And the Computer signal converting unit, in order to changing this digital audio-video signal and this second video-audio signal is audio-visual burning data, and in order to drive this storage device so that this digital audio-video burning data is stored in this storage device.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
The 1st figure is the calcspar of the notebook computer of preferred embodiment of the present invention.
The 2nd figure is the calcspar of an example of video-audio playing system.
The 3rd figure is another routine calcspar of video-audio playing system.
The 4th figure is the video-audio playing system calcspar of an example again.
[main element label declaration]
100: notebook computer
102: display device
104: sound-producing device
106: storage device
108: South Bridge chip
200: video-audio playing system
202: analog demodulator
204: digital demodulator
206: video processing unit
208: audio-visual driver element
210: multiplexer
212: wireless receiving module
214: wireless sending module
216: peripheral bus
EC: power control unit
Embodiment
The present invention proposes a kind of video-audio playing system that is applied in the notebook computer, makes notebook computer need not to enter in the operating system and just can watch in real time and burning TV programme or video frequency program.In addition, video-audio playing system also mat is integrated into the form of single IC for both with interlock circuit, and cooperate suitable power management and when making notebook computer carry out the above-mentioned operation of watching with burning power consumption lower.
Please refer to the 1st figure, it is the calcspar of the notebook computer of preferred embodiment of the present invention.Video-audio playing system 200 is used for notebook computer 100.Notebook computer 100 comprises display device 102, sound-producing device 104 and storage device 106.Display device 102 for example is a LCD (LCD).Stereo loudspeaker and associated driver circuitry thereof that sound-producing device 104 is for example disposed for notebook computer 100, associated driver circuitry be AC97code and amplifier (Amplifier) for example.Storage device 106 for example is the optical disk recording device or the hard disk of notebook computer 100 in-building types.Optical disk recording device for example is DVD+, DVD-R, DVD+RW or DVD-RW or the like.In present embodiment, which kind of form storage device 106 is not restricted to, and can be also circumscribed of in-building type, as long as storage device 106 can store the view data of corresponding TV programme or video frequency program.
Video-audio playing system 200 comprises analog demodulator (Tuner) 202, digital demodulator 204 and video processing unit (AV Demodulator Mpeg Codec Processor) 206.Analog demodulator 202 exports video processing unit 206 in order to the analog television program S1 that chooses a certain channel and after being converted into the first video-audio signal AV (1).The first video-audio signal AV (1) for example comprises image, and (Composite VideoBroadcast is CVBS) with sound (Second Sound IF, SSIF) signal.Analog television program S1 for example is radio frequency (RF) signal of NTSC or PAL.And digital demodulator 204 exports video processing unit 206 in order to the digital television program S2 that chooses a certain channel and after being converted into the second video-audio signal AV (2).The second video-audio signal AV (2) for example is the digital audio-video signal that meets MPEG-2 Transport Stream institute standard.
Please refer to the 2nd figure, it is the calcspar of an example of video-audio playing system.Video-audio playing system 200 also comprises power control unit (Embedded control IC) EC, wireless receiving module 212 and wireless sending module 214.Power control unit EC and wireless receiving module 212 are disposed in the notebook computer 100.Power control unit EC promptly comprises the power supply of managing video-audio playing system 200 in order to the power supply of management notebook computer 100.Power control unit EC also electrically connects with wireless receiving module 212.Wireless sending module 214 for example is an infrared remote controller.And wireless receiving module 212 for example is the infrared ray receiver module corresponding to infrared remote controller 214, the operation signal that it is sent in order to receiving infrared-ray telepilot 214.And video processing unit 206 also comprises an audio-visual driver element 208.Audio-visual driver element 208 is in order to any signal among the foundation first video-audio signal AV (1), second video-audio signal AV (2) and the vision signal AV (3), to drive display device 102 and sound-producing device 104.
At first, do explanation with the situation of watching TV programme S1/S2 or video frequency program S3 in real time, promptly notebook computer 100 does not enter the situation of operating system.Operating system is window software (WindowsXP) or Linex for example.Utilize above-mentioned infrared remote controller 214 activation video-audio playing systems 200, for example open video-audio playing system 200 and select to watch analog television program S1 by infrared remote controller 214.At this moment, power control unit EC opens analog demodulator 202, video processing unit 206, display device 102 and sound-producing device 104.The first video-audio signal AV (1) (comprise CVBS and SSIF signal) of this audio-visual driver element 208 in order to analog demodulator 202 is exported, the part of middle image (CVBS signal) converts 102 digital displaying signals that can receive of display device to.For example audio-visual driver element 208 has comprised video processor and converter (video processor and converter all are not plotted among the 2nd figure).After video processor is converted to the digital audio-video signal TS that meets MPEG-2 Transport Stream institute standard with the first video-audio signal AV (1), be converted to noninterlace signal (being above-mentioned digital displaying signal) to display device 102 display images via converter.Voice signal part among the digital audio-video signal TS is sent to sound-producing device 104 and sounds then via after the suitable processing.So, can reach the function that does not start the operating system and can watch analog television program S1 in real time, and only provide necessary element (video processing unit 206, power control unit EC, analog demodulator 202, display device 102 and sound-producing device 104) required power supply in the power management aspect, and then save the power supply of notebook computer 100.
And the mode of watching digital television program S2 and video frequency program S3, also as above-mentioned mode of operation.When for example watching digital television program S2, also watch digital television program S2 with selection by operation infrared remote controller 214.At this moment, behind the second video-audio signal AV (2) that audio-visual driver element 208 reception digital demodulators 204 are exported, the specification that meets the TS signal because of the second video-audio signal AV (2), so video processing unit 206 can directly be converted to driving display device 102 required signal format and driving sound-producing devices 104 according to this and send corresponding sound, for example the second video-audio signal AV (2) drives display device 102 according to this via above-mentioned converter.In the power management aspect, whole notebook computer 100 is also only opened the power supply of audio-visual driver element 208, power control unit EC, digital demodulator 204, display device 102 and sound-producing device 104.
At last, in video frequency program S3 aspect, except not needing detuner 202 and 204, its mode of operation behind the vision signal AV among the audio-visual driver element 208 receiving video program S3, drives display device 102 and sound-producing device 104 also as above-mentioned according to this.So, no matter be to watch analog/digital TV program S1, S2 or video frequency program S3, all can not reach in starting the operating system down.And by with interlock circuit in the video processing unit 206, for example above-mentioned audio-visual driver element 208, video processor and converter are made into one and integrate IC and reach the purpose of saving circuit volume and power consumption.
Then, please refer to the 3rd figure, it is another routine calcspar of video-audio playing system.When analog television program S1, digital television program S2 or video frequency program S3 being stored in storage device 106, when promptly being recorded on optical disk recording device or hard disk, video processing unit 206 is also in order to convert the first picture signal AV (1), the second picture signal AV (2) or vision signal AV (3) to the message bit stream that optical disk recording device or hard disk can receive.At this moment, video-audio playing system 200 also comprises multiplexer 210 except comprising said elements, and video processing unit 206 also comprises Computer signal converting unit 218.Computer signal converting unit 218 is converted to audio-visual burning data D, promptly above-mentioned message bit stream in order to the digital audio-video signal TS or the second video-audio signal AV (2) that audio-visual driver element 208 is produced.This audio-visual burning data D for example is sent to multiplexer 210 by ide interface.Multiplexer 210 optionally is connected with cd-rom recorder or hard disk, to carry out data transmission.And multiplexer 210 is connected with the South Bridge chip (being shown among the 4th figure) of notebook computer 100 on the other hand, with when notebook computer 100 enters operating system and storage device 106 carry out the transmission of coherent signal.So, can reach and do not start the operating system and the function of real-time recording analog/digital TV program S1/S2 or video frequency program S3, and (video processing unit 206, power control unit EC, analog demodulator 202, digital demodulator 204, multiplexer 210 and storage device 106) the required power supply that also only provides necessary element and reach the power supply of saving notebook computer 100.Wherein, in the time will watching simultaneously and record image, while as long as the audio-visual driver element 208 of activation simultaneously just can watch program to record with Computer signal converting unit 218.
In addition, enter under the operating system, watch or the situation when record analog TV Festival S1, Digital Television joint S2 and video frequency program S3 is done explanation with notebook computer 100.Please refer to the 4th figure, it is the video-audio playing system calcspar of an example again.Video-audio playing system 200 also comprises peripheral bus 216 except comprising said elements.Notebook computer 100 comprises South Bridge chip 108.In watching or when record analog TV programme S1 or video frequency program S3, video processing unit 206 conversion first picture signal AV (1) or vision signal AV (3) are for meeting digital audio-video signal TS or other digital video audio signals of MPEG-2 Transport Stream signal specification.This digital audio-video signal TS or digital video, audio signals are via above-mentioned peripheral bus 216, USB/PCI/1394 for example, enter the South Bridge chip 108 in the computer system, play or be recorded in the said storage unit 106 via multiplexer 210 with the software of transferring to the os starting correspondence.
And watch or when recording digital program S2, the second picture signal AV (2) that video processing unit 206 is directly exported digital demodulator 204 enters in the computer system via peripheral bus 216, plays or is recorded in the said storage unit 106 with the software body of transferring to the os starting correspondence.
The disclosed video-audio playing system of the above embodiment of the present invention need not to enter in the operating system and just can watch in real time and burning TV programme or video frequency program.And mat is integrated into the form of single IC for both with interlock circuit, and cooperate suitable power management and when making notebook computer carry out the above-mentioned operation of watching with burning power consumption lower.
In sum; though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (10)
1. the video-audio playing system of a notebook computer, this notebook computer has display device, sound-producing device and storage device, and this video-audio playing system comprises:
Analog demodulator is used to receive anolog TV signals, and exports first video-audio signal according to this;
Digital demodulator is used for receiving digital television signal, and exports second video-audio signal according to this; And
Video processing unit receives this first video-audio signal, this second video-audio signal and vision signal, and this video processing unit comprises:
Audio-visual driver element, in order to according to this first video-audio signal, this second video-audio signal and this vision signal driving this display device and this sound-producing device, and this first video-audio signal and this vision signal are converted to the digital audio-video signal; And
The Computer signal converting unit, in order to changing this digital audio-video signal and this second video-audio signal is audio-visual burning data, and in order to drive this storage device so that this digital audio-video burning data is stored in this storage device;
Wherein, do not enter under the operating system at this notebook computer, this video-audio playing system drives this display device, this sound-producing device and this storage device according to this first video-audio signal, this second video-audio signal and this vision signal.
2. video-audio playing system according to claim 1, wherein, this video-audio playing system also comprises:
Peripheral bus is in order to receive this digital audio-video signal and this second video-audio signal and to be sent to South Bridge chip in this notebook computer according to this.
3. video-audio playing system according to claim 2, wherein, the specification of this peripheral bus is a USB (universal serial bus).
4. video-audio playing system according to claim 1, wherein, this video-audio playing system also comprises:
Multiplexer is in order to transmission signals between this Computer signal converting unit and this storage device or between the South Bridge chip of this storage device and this notebook computer.
5. video-audio playing system according to claim 4, wherein, this Computer signal converting unit is to be connected with this multiplexer via ide interface.
6. video-audio playing system according to claim 4, wherein, this video processing unit is also in order to control the operation of this analog demodulator, this digital demodulator, this display device, this sound-producing device and this storage device.
7. video-audio playing system according to claim 1, wherein, this video-audio playing system also comprises:
Power control unit is in order to manage the power supply of this video-audio playing system.
8. video-audio playing system according to claim 7, wherein, this video-audio playing system also comprises:
Wireless receiving module is to electrically connect with this power control unit; And
Wireless sending module carries out the signal transmission with Wireless transmission mode and this wireless receiving module, and in order to start this video-audio playing system.
9. video-audio playing system according to claim 8, wherein, do not enter under the operating system at this notebook computer, this video-audio playing system according to this first video-audio signal, this second video-audio signal and this vision signal when driving this display device and this sound-producing device, required voltage when this power control unit makes this video processing unit, this analog demodulator, this digital demodulator, this display device, this sound-producing device and this wireless receiving module receive operation.
10. video-audio playing system according to claim 8, wherein, do not enter under the operating system at this notebook computer, this video-audio playing system according to this first video-audio signal, this second video-audio signal and this vision signal when driving this storage device, required voltage when this power control unit makes this video processing unit, this analog demodulator, this digital demodulator, this storage device and this wireless receiving module receive operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101180977A CN100422906C (en) | 2005-10-25 | 2005-10-25 | Video-audio playing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101180977A CN100422906C (en) | 2005-10-25 | 2005-10-25 | Video-audio playing system |
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| Publication Number | Publication Date |
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| CN1955885A CN1955885A (en) | 2007-05-02 |
| CN100422906C true CN100422906C (en) | 2008-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005101180977A Expired - Fee Related CN100422906C (en) | 2005-10-25 | 2005-10-25 | Video-audio playing system |
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| CN102143398B (en) * | 2011-03-11 | 2013-05-01 | 深圳创维数字技术股份有限公司 | Terminal realizing method, computer terminal and television receiving system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020047925A1 (en) * | 2000-10-19 | 2002-04-25 | Seung-Beom Choi | Computer system and method for storing TV signals therein |
| CN1358014A (en) * | 2000-12-15 | 2002-07-10 | 福建实达电脑科技有限公司 | Remote information transmission controlling method and system |
| CN2519984Y (en) * | 2001-12-24 | 2002-11-06 | 万国电脑股份有限公司 | Portable CD-RW with CD player |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020047925A1 (en) * | 2000-10-19 | 2002-04-25 | Seung-Beom Choi | Computer system and method for storing TV signals therein |
| CN1358014A (en) * | 2000-12-15 | 2002-07-10 | 福建实达电脑科技有限公司 | Remote information transmission controlling method and system |
| CN2519984Y (en) * | 2001-12-24 | 2002-11-06 | 万国电脑股份有限公司 | Portable CD-RW with CD player |
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| CN1955885A (en) | 2007-05-02 |
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