CN100435232C

CN100435232C - Multi-time shift recording method and its system

Info

Publication number: CN100435232C
Application number: CNB2005100027221A
Authority: CN
Inventors: 翁世雄; 邓新保
Original assignee: Inventec Corp
Current assignee: Inventec Corp; Inventec Multimedia and Telecom Corp
Priority date: 2005-01-19
Filing date: 2005-01-19
Publication date: 2008-11-19
Anticipated expiration: 2025-01-19
Also published as: CN1808602A

Abstract

The present invention discloses a method for recording multiple time transfer and a method thereof, particularly a control method for digital record-replay equipment. The digital record-replay equipment receives at least one video signal and receives a signal to set the system into multiple recording time transfer. The method comprises the following steps: the system receives a signal which sets the system to appoint time transfer setting; then the system scans the appointed time transfer setting, activates a state buffer of the appointed time transfer setting; then the system opens the files in a storage groupware and scans the activated state buffer; finally the system saves the video signal in the files. The present invention can record a plurality of films orderly between different time points, and can also play one of the recorded films while the system records another film.

Description

The recording method of multi-time shift and system thereof

Technical field

The present invention relates to a kind of recording method and system thereof, relate in particular to the simultaneously recording method and the system thereof of documentary and the multi-time shift of playing film for system.

Background technology

Now, so-called time-shift (Time-Shift) function is digital videocorder (Digital VideoRecoder, DVR) one of characteristics, the function of time-shift is to utilize digital videocorder to watch TV programme or network (Network) film as the user, and when must leave the table midway, as long as pressing Pause key suspends by program, before can frameing out, the beholder goes to do oneself to want the thing done, during this section of leaving, the section directory that the digital recorder chance will still continue to play gets off, when the user gets back to screen front by the time, press beginning, just can then see down and can not omit any fragment, just as watching video-tape, this equals that present passing at the moment moved on to next time point and takes place, and these are the most attracting places of digital videocorder.

Yet this time moving method always must be wasted user's time and search the fragment of being missed, and waste stores the space of film, and required in order to collect or to capture, and the film that is stored in the hard disk can't be stored in the hard disk once more.

Summary of the invention

Technical matters to be solved by this invention is to provide a kind of recording method and system thereof of multi-time shift, with between different time points, writes down the multi-section film in regular turn, and can play wherein film that is write down simultaneously at documentary.

Therefore, for achieving the above object, the recording method of a kind of multi-time shift provided by the present invention, the controlling recording method that is used for digital videocorder, this digital videocorder receives at least one vision signal, and digital videocorder is accepted a control signal, make system enter the multiple recording time-shift, comprise the following step: system accepts control signal, and this control signal is set the migration of system's fixed time, and this specified time-shift of system scan is set, and the status register that time-shift is set activated, and file opening in storage assembly, wherein before activating corresponding status register, it is corresponding with a plurality of time-shifts respectively that a plurality of status registers are set, and this system is according to this control signal that receives, contrast a plurality of time-shifts settings successively and set and scan the status register that is activated, and vision signal is deposited at this file to be defined as which time-shift.

For achieving the above object, the register system of a kind of multi-time shift of the present invention comprises: a microprocessor comprises at least one and sets corresponding one to one status register with time migration; One IO interface, receive a vision signal, and with this video signal transmission to this microprocessor, and this IO interface of this microprocessor access, and this IO interface connects a receiver module and a large amount of storage assemblies, this receiver module receives at least one look-at-me, and this receiver module transmits at least one time-shift signal to this microprocessor via this IO interface, and this microprocessor activates this status register, and this microprocessor stores at least one file that comprises a vision signal at these a large amount of storage assemblies; And a timer, be connected this microprocessor, and this timer of this microprocessor access, and this microprocessor reads a setting value of this timer, when this timer reached this setting value, this microprocessor stopped store files.

And when system did not conform to this control signal as if the time-shift setting that scans, then digital videocorder was just got back to the general operation pattern; In addition, default writing time, be to utilize timer to give timing this writing time, and when a multitask record start, timer picks up counting, and arrives writing time of default up to timer, then finishes the multitask record; In the multitask record, scanning there is no the status register of actuating, then finishes the multitask record.

The invention provides reinforcement and can write down the multi-time shift function, and the control method of easy access, can be used for the multimedia top and go up box (Multiple Set-Top Box), as digital videocorder, the user only need select a time-shift button, to activate real-time time migration record, when this videocorder still in video recording, and the user at any time in, can both press its corresponding Play Control button, to play-over still at the film that stores, this promptly is a time-shift, and the user need not lose time and search the starting point that it sets the film of time-shift.

Because can write down the multi-time shift function is developed out, the user has the control knob that multiple selection utilizes another time-shift, with the time-shift record of initial another film.This may occur in when the user need write down another film of having play, and another film is still arranged in record, or has write down and finish, and can write down another one or multi-section film simultaneously.

During time-shift, the user can suspend (Pause), fast (Fast-Forward), revolution (Fast-Reverse) and slow motion (Slow motion) picture of changeing, therefore, if the user has missed a camera lens, all pictures of wanting can both utilize answer (reverse) control knob to want the picture of seeing to find the user.

In order to catch up with the picture of being broadcast now, as long as utilize the fast button that changes up to the progress seen of want, this mode is called chase-play (chasing playback).

Simultaneously, because can write down the multi-time shift function is developed out, when all write down multi-time shifts of developing stopped in the time that sets, can automatically stop, be decided to be one hour in during this record, and can change by the user, therefore, the user need not wait for whole wrapped films, even must not come end record by stop button, therefore, the digital videocorder that enhancing can be write down multi-time shift and accessing control function has increased its flexible Application, and its control method is very easy to realize the highest picture that is missed of searching with second.

Adopt the present invention between different time points, to write down the multi-section film in regular turn, and can play wherein film that is write down simultaneously at documentary.

Relevant characteristics and implementation of the present invention, conjunction with figs. is described in detail as follows as most preferred embodiment.

Description of drawings

Fig. 1 shows that activation of the present invention can write down the telepilot outside drawing of multi-time shift function;

Fig. 2 shows the part calcspar of digital videocorder of the present invention;

Fig. 3 shows that infrared ray of the present invention interrupts can writing down the multi-time shift program flow diagram to enter;

Fig. 4 shows the multitask logging program process flow diagram that writes down multi-time shift of the present invention;

Fig. 5 shows the sequential chart that writes down the multi-time shift program of the present invention.

Wherein, Reference numeral:

100, telepilot

102, control knob group

104, the recordable time migration activates button

106, play button

200, digital videocorder

202, microprocessor

2020, status register

204, the data storing assembly of can erasing

206, temporary transient data storing assembly

208, forever instruct storage assembly

210, timer

212, IO interface

214, a large amount of storage assemblies

216, infrared ray receiver module

218, signal wire

220, TV

Step 300 record multi-time shift program

Step 302 infrared ray look-at-me

Whether step 304 is T1 time-shift button

Step 306 set condition buffer T1 activates

Step 308 is opened the T1 log file for record

Whether step 310 is T2 time-shift button

Step 312 set condition buffer T2 activates

Step 314 is opened the T2 log file for record

Whether step 316 is T3 time-shift button

Step 318 set condition buffer T3 activates

Step 320 is opened the T3 log file for record

Step 322 opens beginning multitask record

Step 324 general operation pattern

Step 400 multitask logging program

The initial multitask logging program of step 402

During step 404 opening entry

Step 406 judges whether that status register T1 activated

Step 408 opening entry is to file T1

Step 410 judges whether that status register T2 activated

Step 412 opening entry is to file T2

Step 414 judges whether that status register T3 activated

Step 416 opening entry is to file T3

Step 418 judges whether the time of timer institute timing is one hour

Step 420 stops the timing of timer

Step 422 finishes the multitask record

500 time shafts

502 real-time television bar charts

504 real-time times migration T1 record bar chart

506 bar charts of time-shift T1 broadcast immediately

508 real-time times migration T2 record bar chart

510 bar charts of time-shift T2 broadcast immediately

F1, F2, F3, F4 filmstrip

Embodiment

Be illustrated in figure 1 as activation of the present invention and can write down the telepilot outside drawing of multi-time shift function, in case digital videocorder activates, 100 of telepilots can allow the user carry out access, control all write down multi-time shift functions to digital videocorder, control knob group 102 may command can write down the access and the control function of multi-time shift function, because the present invention can write down the multi-time shift function for having, so comprise array control knob group 102 in this telepilot 100, as having three groups of control knob groups 102 in the present embodiment.

Each control knob group 102 comprises the recordable time migration and activates button 104 and play button 106, in the present embodiment, have three control knob groups 102, so it is available to have three recordable time migration activation buttons 104, T1 as shown in FIG., T2, with T3, can press two or more recordable time migrations simultaneously and activate button 104, to activate two or more recordable time migrations simultaneously, can selected record multi-time shift film directly be begun to play from the record start point and play button 106, and this film may also write down or be recorded in hard disk, therefore, the user need not lose time and search the starting point of the multi-time shift film that writes down, and just can watch after needn't waiting film to be recorded fully.

As shown in Figure 2, part calcspar for digital videocorder of the present invention, digital videocorder 200 comprises microprocessor 202, the data storing of can erasing assembly 204, as electronics programmble read only memory PROM (the electrically erasable programmable read only memory that can erase, EEPROM) or flash memory (flash memory), temporary transient data storing assembly 206 is as random access memory (random accessmemory, RAM), permanent instruction storage assembly 208, as ROM (read-only memory) (read only memory, ROM), the timer 2 10 (Timer) of recordable time but and the IO interface 212 of connecting interface equipment.

This IO interface 212 can connect a large amount of storage assembly 214 as hard disk, in order to store film, and this IO interface 212 also connects infrared ray receiver module 216, to receive any infrared signal of being launched by telepilot 100, in addition, this IO interface 212 utilizes signal wire 218 to be connected to TV 220, this TV is selected from the NTSC simulated television, the PAL/SECAM simulated television, Digital Television, simulate the wherein a kind of of high density television and group that digital high density television is formed, and this connection be for converting video and sound signal for simulating signal so that the signal of input TV 220 to be provided, therefore can from TV 220, watch graphical user's interface of all increases, and guidance information, when use press three recordable times migration at telepilot 100 activate buttons 104 one or more, 200 of digital videocorders enter strengthens record multi-time shift function program.

Microprocessor 202 is exactly central processing unit (central processing unit, CPU) be used for the main system of control figure videocorder 200, and this microprocessor 202 comprises at least one status register 2020, and microprocessor 202 can read or write particular address in IO interface 212, to read or to change above-mentioned output precision (as TV), when carrying out according to operating process, microprocessor 202 can read the instruction of permanent instruction storage assembly 208, these instructions are coincident with the mac function of operating process by layout, wherein comprise infrared ray and interrupt to write down the multi-time shift program, be presented at Fig. 3 and Fig. 4 respectively and it begins and stop to write down the multi-time shift program to enter.

As shown in Figure 2, these IO interface 212 receiving video signals, and with this video signal transmission to microprocessor 202, when infrared ray receiver module 216 receives look-at-me, and the infrared ray receiver module moves signal at microprocessor 202 via 212 delivery times of IO interface, and microprocessor 202 actuating state buffers 2020, and microprocessor 202 is in a large amount of storage assembly 214 store files, if infrared ray receiver module 216 receives another look-at-me, the above-mentioned step of microprocessor 202 same execution, reach setting value up to the timer 2 10 that is connected microprocessor 202, this microprocessor 202 stops store files.

As shown in Figure 3, for infrared ray of the present invention interrupts can writing down the multi-time shift program flow diagram to enter, when microprocessor has received infrared ray look-at-me (step 302) from the infrared ray receiver module, making operation enter infrared ray interrupts can writing down multi-time shift program (step 300) to enter, it is an electronic signal that infrared ray interrupts, after activating button and be pressed by the migration of the recordable time of telepilot, send the infrared ray look-at-me by telepilot, whether this operating process is T1 time-shift button (step 304) from the microprocessor decision, if, then microprocessor activates (step 306) with set condition buffer T1, and opens the T1 log file for record (step 308); If the microprocessor decision is not a T1 time-shift button, then whether the microprocessor decision is the infrared ray look-at-me (step 310) of T2 time-shift button, if then microprocessor activates (step 312) with set condition buffer T2, and open the T2 log file for record (step 314); If the microprocessor decision is not a T2 time-shift button, then whether the microprocessor decision is the infrared ray look-at-me (step 316) of T3 time-shift button, if, then microprocessor activates (step 318) with set condition buffer T3, and open the T3 log file for record (step 320), if the microprocessor decision is not the infrared ray look-at-me of T3 time-shift button, then microprocessor just leaves record multi-time shift program (step 300), and get back to personal digital video recorder's general operation pattern (step 324), with resume operations, this general operation pattern can comprise other operating function, utilizes other look-at-me to produce and enters other function.

From opening the T1 log file for writing down (step 308), T2 log file for record (step 314) and after opening arbitrary step of T3 log file for record (step 320), microprocessor is entered open beginning multitask writing function (step 322), its multitask writing function (step 322) can be consulted Fig. 4 and describe after a while again; Because multitask record (step 322) is activated, treat that multitask record (step 322) finishes after, this program is then got back to the general operation pattern (step 324) of digital videocorder and is restarted.

As shown in Figure 4, be the multitask logging program process flow diagram that writes down multi-time shift of the present invention, if above-mentioned write down multi-time shift function is activated, then microprocessor then can enter this multitask logging program (step 400), in this flow process, at first guide microprocessor to begin the multitask logging program (step 400) that tool can write down the multi-time shift function, next be to make microprocessor opening entry (step 404), be decided to be one hour in during this record, this timer is started at from opening entry.

Judge whether that then status register T1 activated (step 406), if status register T1 is an actuating state, then microprocessor enters opening entry to file T1 (step 408), microprocessor has time consistency with vision signal and writes the T1 file (time to time), and purpose always can be play by the user for making file.

If status register T1 does not activated, then whether status register T2 activated (step 410) to microprocessor judges, if status register T2 is an actuating state, then microprocessor enters opening entry to file T2 step (step 412), microprocessor writes the T2 file with vision signal with having time consistency, and purpose always can be play by the user for making file.

If status register T2 does not activated, then whether status register T3 activated (step 414) to microprocessor judges, if status register T3 is an actuating state, then microprocessor enters opening entry to file T3 (step 416), microprocessor writes the T3 file with vision signal with having time consistency, and purpose always can be play by the user for making file.

Opening entry to file T1 (step 408), opening entry to file T2 (step 412) with opening entry to the step of file T3 (step 416), microprocessor judges then whether the time of its timing of timer is one hour (step 418), if timer does not reach one hour timing time, then return and judge whether that status register T1 activated the step of (step 406), repeats its loop state.

If the time of timer institute timing has reached one hour, or in the microprocessor judges step whether status register T3 activated, status register T3 does not activated, under two kinds of above-mentioned situations, the multitask logging program just can enter the timing that stops timer, and microprocessor just can stop the timing (step 420) of timer from program, and last microprocessor then enters and finishes multitask logging program (step 422), to finish the writing down multi-time shift function.

As shown in Figure 5, be the sequential chart that writes down the multi-time shift program of the present invention, transverse axis is a time shaft 500, to give expression to each difference of multi-time shift program, these write down multi-time shifts of researching and developing can automatically stop, this automatic stand-by time can be set by the user, for example, supposes that the user changes this running time and stops after one hour time-shift.

Real-time television bar chart 502 display programs are just beginning to play, in this real-time television bar chart 502, include four filmstrip F1, F2, F3 and F4, each represents different time slices, according to time shaft 500, filmstrip F1 to filmstrip F3 be one hour, similarly, filmstrip F2 to filmstrip F4 also be one hour.

Real-time time migration T1 record bar chart 504 is the states when the user has selected the recordable time migration of T1 to activate button and activated, after in case T1 recordable time migration activation button is pressed, system is documentary from television channel immediately just, time point opening entry at the F1 filmstrip, behind a hour record, system will automatically stop record, and the end of record (EOR) point here is at the time point of F3 filmstrip.

The bar chart 506 of time-shift T1 broadcast immediately is after the user supresses the T1 play button, this bar chart 506 of time-shift T1 broadcast immediately just begins to show, we compare with real-time time migration T1 record bar chart 504, when the T1 play button is pressed and system begins Fan when putting, yet the T1 log file is also at the record television film, filmstrip F1 in the time of strictly according to the facts in the time migration T1 record bar chart 504 is to filmstrip F3, and can reach by one key operation and to allow the user to play while reach to write down still in the real-time television movie of record.

In addition, real-time time migration T2 record bar chart 508 is the states when the user has selected the recordable time migration of T2 to activate button and activated, after in case T2 recordable time migration activation button is pressed, system is documentary from television channel immediately just, time point opening entry at the F2 filmstrip, behind a hour record, system will automatically stop record, the end of record (EOR) point here is at the time point of F4 filmstrip, present and real-time time migration T1 record bar chart 504 compares, the starting point of T2 log file is arranged in T1 still during writing down, therefore, hence one can see that, and the user need not wait for can write down another film after the T1 end of record (EOR).

To play bar chart 510 be to be activated when T2 that the user pushes telepilot plays button to time-shift T2 immediately, we compare with the bar chart 506 of time-shift T1 broadcast immediately, when the T2 log file is play, the T2 log file is also in record, its T2 log file can be by filmstrip F2 and filmstrip F4 representative, therefore, T2 log file sowing time also from filmstrip F2 to filmstrip F4, and the present invention only allows and once can only play a log file, the user can select one of them log file any time, as T1 log file or T2 log file, for example the user has selected broadcast T1 log file earlier, during the T1 log file was play, the user had selected broadcast T2 log file again, just then play the T2 log file after then T1 log file such as system finishes.

The digital videocorder that reinforcement can be write down the multi-time shift function is designed to allow the user, and video recording has more multiple selection to real-time television, and can select synchronously to play, the user only need select wherein one group of control knob group, can select opening entry or begin to play the also film in record, these can write down the multi-time shift function can after one hour (or user set time) automatically stop, and also can change setting during the record, therefore, the user need not wait for whole wrapped films or needn't finish video recording by any stop key.

In this invention, according to the advantage that previous described different embodiment had, comprise:

1. can the multi-time shift record, the present invention can write down the multi-section film in regular turn between different time points.

2. directly click and set its time migration by different control knobs, and for promptly pressing i.e. record (one touch), the quite design of body-centered and hommization.

3. promptly record is promptly broadcast, and can utilize control knob directly to switch the film that it is play, and needn't wait record to finish and can watch that just the present invention can reach this target by the recording method of multi-time shift.

Certainly; the present invention also can have other various embodiments; 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 domain of the appended claim of the present invention.

Claims

1. the recording method of a multi-time shift, be applied to the control of digital videocorder, it is characterized in that, this digital videocorder receives at least one vision signal and a control signal, make system enter the multiple recording time-shift when receiving this control signal, this method comprises the following step:

This control signal will specify this time-shift to set, and this this specified time-shift of this system scan is set, and the status register that this time-shift is set activated, and in a storage assembly, open a file, wherein before activating corresponding status register, it is corresponding with a plurality of time-shifts respectively that a plurality of status registers are set, and this system contrasts a plurality of time-shifts successively and sets to be defined as which time-shift setting according to this control signal that receives; And

Scan this status register that is activated, and this vision signal is deposited at this document.

2. the recording method of multi-time shift according to claim 1 is characterized in that, also comprises this time-shift of this system scan and sets when not conforming to this control signal, and then this digital videocorder is got back to the general operation pattern.

3. the recording method of multi-time shift according to claim 1, it is characterized in that, also comprise and set a writing time, utilize this writing time a timer to give timing, when a multitask record start, this timer picks up counting, and arrives this writing time of this default up to this timer, then stops this vision signal deposit at this document.

4. the recording method of multi-time shift according to claim 3 is characterized in that, in this multitask record, if there is not this status register that activates, then finishes this multitask record.

5. the recording method of multi-time shift according to claim 1 is characterized in that, this control signal is the infrared ray look-at-me.

6. the register system of a multi-time shift is characterized in that, comprises:

One microprocessor comprises at least one and sets corresponding one to one status register with time migration;

One IO interface, receive a vision signal, and with this video signal transmission to this microprocessor, and this IO interface of this microprocessor access, and this IO interface connects a receiver module and a large amount of storage assemblies, this receiver module receives at least one look-at-me, and this receiver module transmits at least one time-shift signal to this microprocessor via this IO interface, and this microprocessor activates this status register, and this microprocessor stores at least one file that comprises vision signal at these a large amount of storage assemblies; And

One timer is connected this microprocessor, and this timer of this microprocessor access, and this microprocessor reads a setting value of this timer, and when this timer reached this setting value, this microprocessor stopped store files.

7. the register system of multi-time shift according to claim 6, it is characterized in that, also comprise a telepilot, but the receivable infrared ray look-at-me of this telepilot emission coefficient, comprise an above control knob group, this control knob group comprises the recordable time migration and activates button and play button, this recordable time migration activates button, make the register system of the signal of this telepilot emission recordable time migration, and this broadcast button makes the register system of this telepilot emission play signal to this multi-time shift to this multi-time shift.

8. the register system of multi-time shift according to claim 6 is characterized in that, this IO interface connects a TV by a signal wire.

9. the register system of multi-time shift according to claim 8, it is characterized in that this TV is selected from the wherein a kind of of NTSC simulated television, PAL/SECAM simulated television, Digital Television, simulation high density television and group that digital high density television is formed.

10. the register system of multi-time shift according to claim 6 is characterized in that, these a large amount of storage assemblies are a hard disk.

11. the register system of multi-time shift according to claim 6 is characterized in that, also comprises the data storing assembly of can erasing, and is connected this microprocessor, and this data storing assembly of can erasing of this microprocessor access.

12. the register system of multi-time shift according to claim 11 is characterized in that, this data storing assembly of can erasing is the electronics programmble read only memory PROM of can erasing.

13. the register system of multi-time shift according to claim 11 is characterized in that, this data storing assembly of can erasing is a flash memory.

14. the register system of multi-time shift according to claim 6 is characterized in that, also comprises a permanent instruction storage assembly, is connected this microprocessor, and this microprocessor reads this permanent instruction storage assembly.

15. the register system of multi-time shift according to claim 14 is characterized in that, this forever instructs the storage assembly to be a ROM (read-only memory).

16. the register system of multi-time shift according to claim 6 is characterized in that, also comprises a temporary transient data storing assembly, is connected this microprocessor, and this temporary transient data storing assembly of this microprocessor access.

17. the register system of multi-time shift according to claim 16 is characterized in that, this temporary transient data storing assembly is a random access memory.

18. the register system of multi-time shift according to claim 6 is characterized in that, this microprocessor is a central arithmetic unit.