KR20010052869A - Reproducing apparatus enabling the actual beginning of the reproduction of a television program recorded on a magnetic tape - Google Patents

Abstract

A magnetic tape 15 having a normal-play playback speed V1, at least one trick-play playback speed V2-V9, and a winding speed VS, VR, wherein the at least one trick-play playback speed V2. -V9) and magnetic tape conveying means 8 for conveying the magnetic tape 15 whose winding speed VS-VR is faster than the normal-play playing speed V1, and the normal-play playing speed V1. Magnetically conveyed by the magnetic tape conveying means 8 at trick-play reproducing speeds V2-V9, from the normal-play reproducing regions of the magnetic tape 15 conveyed by the magnetic tape conveying means 8 in Reproducing means 7 and 10 for reproducing digital signal data SD from the trick-play reproducing area from the tape 15, the predetermined magnetic tape positions P3, P4, P7, P10 and P11. Magnetic tape having a normal-play playback speed (V1) and subsequently a normal-play playback speed (V1) In the reproducing apparatus comprising playback searching means 31 for achieving the feeding of the magnetic tape 15 until it reaches a speed higher than the feeding of 15, the assigning means 30 is at least one. Is arranged to assign at least one magnetic tape position P3, P4, P7, P10, P11 at a trick-play playback speed of V2-V9, and the control means 31 is provided with a predetermined magnetic tape position P3, Transfer the magnetic tape 15 until P4, P7, P10, P11 reaches the trick-play playback speed V2-V9 assigned to the predetermined magnetic tape positions P3, P4, P7, P10, P11. In order to reach a predetermined magnetic tape position P3, P4, P7, P10, P11 for controlling the magnetic tape conveying means 8 for the purpose.

Description

Reproducing apparatus enabling the actual beginning of the reproduction of a television program recorded on a magnetic tape}

Such a playback device according to the preamble of the first claim and such a recording device according to the preamble of the sixth claim are found from document EP 0892406 A2 and are formed by a video recorder. Conventional video recorders comprise magnetic tape conveying means for conveying a magnetic tape contained in a cassette inserted into the video recorder and having a normal-play playback speed corresponding to the normal recording speed, the magnetic tape spirally formed on the magnetic tape. It is conveyed by magnetic tape conveying means while recording digital signal data in recording tracks. The magnetic tape conveying means further provide for conveying the magnetic tape at a plurality of trick-play playing speeds and at a winding and rewinding speed to reach the magnetic tape positions as possible in the fastest way predetermined by the user. do.

Conventional video recorders have magnetic tape transfer means having normal data from normal-play reproduction regions from magnetic tape conveyed by magnetic tape transfer means having normal-play playback speed, or one of trick-play playback speeds. The apparatus further includes reproducing means capable of reproducing from trick-play reproducing regions from the magnetic tape conveyed by the. The signal data can be any video data, audio data or additional data. When the magnetic tape is conveyed by the magnetic tape conveying means having a rewinding or rewinding speed, the reproducing means can reproduce only any additional data from the linear track recorded on the magnetic tape, but from the spiral recording tracks. It does not play back signal data.

The conventional video recorder further includes storage means for recording information about television programs recorded on magnetic tapes as additional data. In the storage means internal aliases, titles and magnetic tape positions are stored from where any television program is recorded on the magnetic tape.

The conventional video recorder is a control means by which the magnetic tape stored in the storage means is transferred to one of the speeds at which the playback search mode of the video recorder is wound until the television program requested by the user is reached from where it is played at the normal playback speed. It includes more.

In a conventional video recorder, there is a disadvantage in that the digital signal data cannot be reproduced by the playback means while the magnetic tape is transferred at one of the winding speeds in the playback search mode activated in the video recorder, and the user has to store the stored magnetic tape position. You must wait for the television program shown until it is reached.

The invention relates to a reproduction apparatus as defined in the preamble of the first claim and as defined in the preamble of the sixth claim.

Fig. 1 forms a recording and reproducing apparatus for recording and playback signal data in trick-play reproducing areas and normal-play reproducing areas of a magnetic tape according to a first embodiment of the present invention, and designating means are optional. A block diagram format video recorder diagram assigning a predetermined magnetic tape position to trick-play playback speeds.

2 shows television programs recorded as digital signal data, recorded with the video recorder shown in FIG. 1 in the trick-play playback regions and normal-play playback regions of a magnetic tape;

3 shows television programs recorded as digital signal data, recorded by a recording apparatus according to the second embodiment of the present invention in trick-play reproduction regions and normal-play reproduction regions of a magnetic tape;

Fig. 4 shows television programs recorded as digital signal data, recorded by a recording apparatus according to the third embodiment of the present invention in trick-play reproduction regions and normal-play reproduction regions of a magnetic tape.

An object of the present invention is to provide a recording apparatus and a reproducing apparatus capable of reproducing the actual start of a television program recorded on a magnetic tape. This object is achieved as a reproducing apparatus according to the countermeasure of the feature of the sixth claim by the countermeasure of the feature of the first claim.

This means that the magnetic tape means transfer the magnetic tape at the trick-play playback speed assigned by the assignment means at a predetermined magnetic tape position, and the magnetic tape transfer at the normal playback speed in the trick-play playback areas already recorded by the recording means. Playback of television program initiation starting from a predetermined magnetic tape position on the magnetic tape conveyed by the means achieves to continue from normal-play playback areas. This offers the advantage of being selected by the user and starting without delay as a result of the rewinding of the playback of the television program stored on the magnetic tape.

According to the measures of the second and seventh claims, the trick-play reproducing areas of the magnetic tape conveyed at the trick-play reproducing speed in any sections of the magnetic tape may be allocated to other predetermined magnetic tape positions, The advantage is that instant playback of television programs recorded on magnetic tape is made possible.

According to the countermeasure of the third claim, digital signal data can be reproduced from the trick-play reproduction regions of the magnetic tape conveyed at the trick-play reproduction speed, and the digital data transmitted to the television set is from the normal-play reproduction regions. There is an advantage of achieving the same image and tone impression as digital signal data reproduced from the magnetic tape conveyed at the trick-play reproduction speed. Advantageously, the start of the television program is played in the still active playback search mode from the magnetic tape fed at the trick-play playback speed, or after which any magnetic tape is fed at the normal-play playback speed. The user will hardly notice any difference.

According to claims 4 and 8, also content data can be recorded on the magnetic tape, which data is recorded on the magnetic tape, and the predetermined magnetic tape at television programs, trick-play playback speeds. Information regarding allocation of positions, start positions of reproduction regions, and end positions of reproduction regions. As a result, the respective storage means are advantageously omitted.

The invention is described in detail below with reference to, for example, the embodiments shown in the drawings and embodiments of the invention not shown.

1 shows a video recorder 1, a set top box 2, a television set 3, and a satellite antenna 4 in a block diagram. The satellite signal may be received by the satellite antenna 4 and applied to the set top box 2 as the antenna signal AS. The antenna signal AS may comprise here a so-called DVB signal according to the European telecommunication standard ETS 300 468. The DAV signal contains the MPEG transport stream (MPEG standard (system): ISO / IEC 13.818 / 1) as well as additional information for carrying the MPEG transport stream.

An MPEG transport stream is formed by transporting stream packets, wherein video packets containing encoded video data, audio packets containing encoded audio data, data packets containing additional data, and table packets containing table data are MPEG. Prescribed by standard. An MPEG transport stream may comprise one program or various program streams, while table data may be assigned to a program stream with video packets, audio packets and data packets. The program stream contains video information and audio information necessary for optical display and sound reproduction of the television program. The data packets contain additional information about the television program, namely so-called system information descriptors, which may be formed, for example, with the table of contents of the television program or the title of the television program.

The antenna signal AS transmitted to the set top box can be processed by the satellite antenna 4 having the set top box 2, and the first MPEG transport stream MP1 included in the antenna signal AS is the first MPEG. It can be delivered to the input antenna 5 of the video recorder 1 for recording the transport stream MP1. The video recorder may further comprise an output terminal which allows the video recorder 1 reproduced by the video recorder 1 to transmit the second MPEG transport stream MP2 to the set top box 2. The set top box 2 is arranged to process the second MPEG transport stream MP2 and to deliver the analog signal F3 to the television set 3. Means corresponding to set top boxes for processing the first and second MPEG transport streams MP1 and MP2 have been known for a long time.

The television set 3 reproduces the audio information and the video information contained in the analog television signal FS3 and is arranged to obtain audio impressions and video impressions of the television program on the user's television set. Video impressions with normal reproduction of a television program with a video recorder are generally known to correspond to these when the received antenna signal AS is immediately transmitted to the television set 3 as an analog television signal FS. Moreover, it is known that video impressions of television programs played by the video recorder in the playback search mode of the video recorder generally appear faster with overall shortened playback for the duration of the played television program.

The video recorder 1 forms a recording device and a playback device for recording and playing back digital signal data SD in the normal-play playback areas and trick-play playback areas of the magnetic tape. The video recorder 1 is energized for recording and reproducing digital signal data (SD) according to the DVHS standard (D-VHS system standard, January 1999, MPEG2 STD / HS / LS, trick-play format).

The video recorder 1 comprises a scanner means 7, a magnetic tape transfer means 8, a recording stage 9, and a reproduction stage 7 for recording and reproducing the digital signal SD. According to the above-described means, the first digital signal data SD1 including the information of the first MPEG transport stream MP1 can be recorded in the normal-play playback areas and the trick-play areas of the magnetic tape. The second digital signal data SD2 including the information of the second MPEG transport stream MP2 can be reproduced from the normal-play reproduction regions and trick-play reproduction regions.

The scanner means 7 comprise a scanner 11 which is connected to a head disk 12 which can be driven in a rotational manner with a first pair of magnetic heads 13 and a second pair of raised heads 14. do. In the video recorder 1 a videocassette comprising a magnetic tape 15 can be inserted in a manner not shown in FIG. 1. In the recording mode and playback mode of the video recorder 1, the magnetic tape is placed along the scanner 11 and the head disk 12 by tape guide rollers 16 and 17.

In the playback mode of the video recorder 1, the second digital signal data SD2 alternatively reproduced by one of the magnetic heads of the pair of magnetic heads 13, 14 is connected to the terminal of the scanner means 7. 18). In the recording mode of the video recorder 1, the first digital signal data SD1 transmitted to the terminal 18 is applied to one of the magnetic heads of the pair of magnetic heads 13, 14 and the magnetic tape 13. It can be recorded in spiral recording tracks.

Spiral recording tracks conforming to the DVHS standard may include normal-play play areas and trick-play play areas. The arrangement of normal-play play areas and trick-play play areas per spiral record track is repeated after all spiral record tracks on the magnetic tape. For the alignment of the normal-play playback areas and trick-play playback areas in the spiral recording tracks on the magnetic tape, reference numerals can be made in accordance with the document of European Patent Application No. 97 200 402.2, the publication of this publication. It is believed to be included in.

The magnetic tape conveying means 8 carries the magnetic tape 15 in a first direction R1 of conveyance having a different high conveying speed and in a second direction R2 of conveyance opposite to the first direction R1 of conveyance, respectively. Aligned for transport. For this purpose, the magnetic tape conveying means 8 comprises a motor 19, a capstan 20 and a pressure roller 21. In the recording mode and the playback mode, the motor 19 is aligned while the magnetic tape 15 is driven through the capstan and the connection 22 held by the pressure roller 21. As a result, the magnetic tape 15 is fed at a feed speed that depends on the rotational speed of the motor 19 and on the rotational direction of the motor 19.

The magnetic tape conveying means 8 conveys the magnetic tape 15 at the normal-play reproduction speed V1 corresponding to the recording speed V1 at which the magnetic tape 15 is conveyed in the recording mode of the video recorder 1. It operates in the playback mode of the video recorder 1 which is arranged for. Each of the magnetic head pairs 13 and 14 scans the complete spiral recording track of the magnetic tape 15 as the magnetic tape 15 conveyed at the normal-play reproduction speed V1 and the recording speed V1.

The magnetic tape conveying means 8 is a first trick-play reproduction speed V2 corresponding to 24 times the normal-play reproduction speed V1 and a second trick corresponding to 12 times the normal-play reproduction speed V1. A third trick-play playback speed V4 corresponding to six times the play playback speed V3, six times the normal-play playback speed V1, and a fourth equivalent to four times the normal-play playback speed V1. It is further aligned to transfer the magnetic tape 15 at the trick-play playback speed V4. The magnetic tape 15 is conveyed by the magnetic tape conveying means 8 at the normal-play reproducing speed V1 and the above-described trick-play reproducing speeds V2, V3, V4, and V5 in the first direction R1 of the conveyance. Is transferred to.

The magnetic tape conveying means 8 has a fifth trick-play reproducing speed V6 corresponding to 12 times the normal-play reproducing speed V1 as opposed to the conveying direction and a normal-play reproducing speed V1 as opposed to the conveying direction. It is further aligned to convey the magnetic tape 15 in the second conveyance direction R2 at the sixth trick-play reproduction speed V7 corresponding to 24 times.

The magnetic tape conveying means 8 is further aligned for conveying the magnetic tape 15 in the first conveying direction R2 at the winding speed VS, in the second conveying direction R2 at the rewinding speed RS. do. When the magnetic tape 15 is transported at one of the winding speeds, the scanner means 7 can reproduce any additional data from the linear tracks recorded on the magnetic tape 15 but can reproduce the signal data from the helical recording tracks. There is no. Additional data, such as VASS data (video address search system) in a linear track, may include information about television programs recorded on magnetic tape 15, for example.

2 shows, as symbols, the television programs recorded as digital signal data SD in the spiral recording track of the magnetic tape 15, wherein the television programs are normal-play playback areas and trick-play playback of the magnetic tape 15. FIG. It is recorded in the areas and can be reproduced by the scanner means 17 during conveying the magnetic tape 15 at the individually specified conveying speed V of the scanner means 7. The magnetic tape position P1 indicates the start and the magnetic tape position P12 indicates the end of the magnetic tape 15.

The video recorder 1 comprises recording means formed by the scanner means 7 and a recording stage 9, the recording means being magnetic conveyed by the magnetic tape conveying means 9 at a recording speed V1. Arranged to record the first digital signal data SD1 in the normal-play reproduction areas and trick-play reproduction areas on the tape 15. For this purpose, the recording step 9 comprises a time stamp step 23, an insertion step 24, a redundancy stage 25 and a hard disk means 26.

The first transport stream MP1 delivered to the input terminal 5 can be applied to both the time stamp step 23 and the hard disk means 26 at the input terminal 5. The hard disk means 26 has a storage capacity of 100 gigabytes and is arranged to store three television programs contained in the first MPEG transport stream. The first MPEG transport stream MP1 stored in the hard disk means 26 in the recording mode of the video recorder 1 is later time stamped in accordance with hard disk information H1 which can be transmitted to the hard disk 26. Can be delivered.

The hard disk means 26 stores the first MPEG transport stream MP1 which has been processed in the future so that any position of television programs to be recorded and included in the first MPEG transport stream MP1 is additionally recorded in the trick-play playback areas. Further aligned to deliver to the time stamp step 23. This is addressed in more detail on the basis of the embodiment of the video recorder 1.

In the time stamp step 23, time stamp information is assigned to each transport stream packet included in the first MPEG transport stream MP1, and the information is assigned to neighboring transport stream packets of the first MPEG transport stream MP1. Characterizes temporal spaces.

The inserting step 24 is arranged to insert information in the block according to the DVHS standard and to enable this information to be recorded in the normal-play playback areas and trick-play playback areas of the magnetic tape 15. And included in the video packets, audio packets and data packets of the first data stream DS1. The inserting step 24 is further aligned to insert the first content data ID1 applied to the pack-data according to the DVHS standard. Additional information about the television programs recorded on the magnetic tape 15 can be recorded in pack-data blocks that can be recorded on a spiral recording track in the main code area or subcode area defined by the DVHS standard. .

The second data stream DS2 can be delivered to the redundancy step 25 by the insertion step 24. The redundancy step 25 is used to insert duplicate information in the second data stream DS2 and to convey the first digital signal data SD1 to the terminal 18.

The video recorder 1 further comprises a reproducing means formed by the scanner means 7 and the reproducing step 10, wherein the reproducing means is conveyed by the magnetic tape conveying means 8 at the normal-play reproducing speed V1. The trick of the magnetic tape 15 conveyed by the magnetic tape conveying means 8 to one of the normal-play areas or the reproduction speeds V2, V3, V4, V5, V6, and V7 of the magnetic tape 15- It is arranged to reproduce the second digital signal data SD2 from the play reproduction areas. For this purpose, the playback step 10 comprises an error correction step 27, a read step 28 and a time stamp envaluation stage 29.

The second digital signal data SD2 applied to the terminal 18 by the scanner means 7 in the playback mode of the video recorder 1 can be applied to the error correction step 27. The error correction step 27 is arranged to evaluate the duplicate information inserted by the duplicate step 25 during the write modes and to use the third data stream SD3 in the read step 28.

The read step 28 is arranged to read the modified information from the third data stream DS3 recorded in the changed playback areas on the magnetic tape 15 in the blocks according to the DVHS standard. The read step 28 is arranged to apply a fourth data stream DS4 comprising time stamp information to the transport stream packets and time stamp evaluation means 29. The read step 28 is further aligned to read the pack-data blocks included in the third data stream DS3 and to convey the second content data ID2 included in the pack-data blocks, and the content data ( ID2) is discussed in more detail later.

The time stamp evaluation step 29 is arranged to evaluate the time stamp information assigned to each transport stream packet included in the fourth data stream DS4 and to immediately apply each transport stream packet to the output terminal 6. . Thus, the chronological result of the first MPEG transport stream MP1 recorded as the digital signal data by the video recorder 1 is used to determine the digital signal data in the second MPEG transport stream MP2 reproduced by the video recorder 1. What happens during playback is achieved.

It can be observed that the hard disk means 26 can also include a time stamp step and each time stamp step not shown in the figure. These steps, however, are MPEG to hard disk means 26 as a clearly tested function of the time stamp evaluation step 29 and the time stamp step 23 for recording and playing back the MPEG transport stream MP1 on the magnetic tape 15. It has the same function when storing and recording the transport stream MP1. However, the stored time stamp information signals are different.

The video recorder 1 further comprises a designation step 33 comprising a control means 31, a content step 32, and a keyboard 33. The keyboard 33 has a plurality of keys as inter alia, and the operating modes of the video recorder 1 can be activated. Each activation information AI can be transmitted to the control means 31 by the keyboard 33.

The content stage 32 of the assigning means 30 may be supplied with the second content data ID2 delivered by the reading stage 28. The content stage 32 is arranged to evaluate the information contained in the second content data 32, the information being predetermined tape position P and the assigned trick-play playback speeds V and the respective recorded values. The magnetic tape position P at the beginning and end of the television program is characterized.

By means of the keyboard 33, the user of the video recorder 1 activates the playback search mode of the video recorder 1 to quickly transfer the magnetic tape 15 to the magnetic tape position P predefined by the user. can do.

In the playback search mode running on the video recorder 1, the control means 31 causes the magnetic tape 15 to reach a predetermined magnetic tape position P until it reaches a speed faster than the normal-play playback speed V1. And to control the magnetic tape conveying means 8 to achieve conveying of the magnetic tape 15 at the normal-play regeneration speed V1. For this purpose, the control means 31 can apply motor control information (MSI) to the motor 19.

The positional information is applied to the control means 31 by a tape counter not shown in FIG. 1, and the information is characterized by the magnetic tape position P scanned by the magnetic heads of the magnetic head pairs 13 and 14. Such tape counters have been known for a long time.

The control means 31 in the recording mode which can be activated in the video recorder 1 supplies the first content data ID1 in the inserting step 24 and delivers the hard disk information H1 to the hard disk means 26. And a video recorder 1 will be discussed further with reference to an embodiment of the video recorder 1.

According to the first embodiment of the video recorder 1, the television programs "MOV1E 1", "MOV1E 2" and "MOV1E 3" are arranged in the video recorder 1 in the normal-plane playback regions as shown in FIG. Is recorded on the magnetic tape 15 of the video cassette inserted in the recording tape. Furthermore, the video information D is recorded on the magnetic tape 15 in the normal-play playback areas, and represents the content table of the television program, the playback time of the program, and additional information.

The magnetic tape 15 is mounted on the magnetic tape P1 in trick-play playback areas that can be played back with the digital signal data SD of the beginning of the television program "MOV1E 3" at the first trick-play playback speed V2. It can be recorded at the magnetic tape position P11, and recorded in the normal-play reproduction areas of the magnetic tape 15 from the magnetic tape position P9 to the magnetic tape position P11. Each video information, audio information, and additional information at the beginning of the television program "MOV1E 3" is transferred to the television program "MOV1E 3" in spite of the transfer of the magnetic tape 15 at the first trick-play playback speed V2. The viewer is recorded in the trick-play playback areas so that the start has played back from the normal-play playback areas so that the viewer has the same video impressions and audio impressions.

Similarly, the start of television programs recorded on magnetic tape 15 can be played back at trick-play playback speeds V3, V4, V5, V6 and V7 as shown in FIG. It is recorded on the magnetic tape 15 in the reproduction areas.

Allocation of the next trick-play playback speed V according to the next predetermined magnetic tape positions P, i.e., V2? P11; V3⇔P7; V4⇔P10; V5⇔P3; V5⇔P7; V5⇔P10; V6⇔P3; V6⇔P7; The content data ID including V7_P4 is recorded in pack-data blocks on the magnetic tape 15. Also characterized by the television programs recorded in the start and end magnetic tape positions P1, P2, P5, P6, P8, P9 and P12 of the video information D and in the normal-playback areas of the magnetic tape 15. FIG. The content data ID is recorded in pack-data blocks on the magnetic tape 15.

According to the first embodiment of the video recorder 1, the magnetic heads of the magnetic head pairs 13 and 14 are magnetic tapes from the beginning of the tape by the effect that the magnetic tape 15 is wound at the magnetic tape position P1. Scanning 15, the user operates the keys of the keyboard 33 to obtain a table of contents of the videocassette inserted in the video recorder near the television set. Subsequently, each operation information AI is supplied to the control means 31 by the keyboard 33.

The control means 31 supplies the respective motor control information (1) to the motor 19 to provide reproduction of the video information D recorded from the magnetic tape position P1 on the magnetic tape 15 to the magnetic tape position P2. MSI). The set top box 2 applies the second MPEG transport stream MP2 calculated in response to the playback means of the video recorder 1 to the television set 3 as a television signal FS. The user of the video recorder 1 looks at the contents table on the television set 3 which contains three titles of the television programs "MOV1E 1", "MOV1E 2" and "MOV1E 3" recorded on the magnetic tape 15. .

While reproducing the video information D of the content table, the above-described content data ID is read by the reading step 28 from the reproduced pack-data blocks and applied to the content step 32. The content step 32 applies each allocation information ZI to the control means 31.

According to the embodiment of the video recorder 1, it is believed that the user of the video recorder operates each key of the keyboard 33 to watch the television program "MOV1E 3". The operation information AI applied to the control means 31 via the keyboard 33 activates the playback search mode in the control means 31 and the video recorder 1 in succession.

In the playback search mode activated in the video recorder 1, the control means 31 determines from the allocation information ZI the starting magnetic tape position P9 at which the television program "MOV1E 3" is recorded on the magnetic tape. Are arranged. The control means 31 are arranged to determine the current magnetic tape position P which lies in the area between the magnetic tape position P1 and the magnetic tape position P2 by evaluating the positional information applied to the control means 31. . Subsequently, the control means 31 is arranged for evaluating the allocation information ZI applied thereto, and for assigning the first trick-play reproduction speed V2 and the magnetic tape position P11. This assignment is made because the current magnetic tape position lies next to the playback area start position P1 of the trick-play playback areas that can be played back at the first trick-play playback speed V2, and such trick-play playback The start of the required television program "MOV1E 3" from the areas can be reproduced.

In response to this, the control means 31 causes the motor 19 to cause the respective motor control information MSI to be conveyed in the conveying direction R1 at the first trick-play regeneration speed V2. Can be applied to The second MPEG transport stream MP2 can be produced by the display means of the video recorder 1 comprising video information, audio information, and additional information of the first minutes of the television program "MOV1E 3". . This second MPEG transport stream can be applied from the output terminal 6 to the set top box 2 which applies the analog television signal FS2 to the television set 3.

Thus, after one of the keys of the keyboard 33 is operated to watch the television program "MOV1E 3" recorded on the magnetic tape 15, the user of the video recorder 1 immediately enters the television program "MOV1E 3". Seeing the beginning is beneficially accomplished. Thus, the user does not have to wait for the start of playback of the television program "MOV1E 3" while the rewinding operation is executed.

While the playback seek mode is activated in the video recorder 1, when the magnetic tape position P11, such as the current magnetic tape position, is reached, the control means 31 displays the motor control information MSI in normal-play playback. It is applied to the motto 19 for conveying the magnetic tape 15 at a speed V1. In response, the playback means of the video recorder 1 is connected to the television program "MOV1E 3" recorded in the normal-play playback areas as the second MPEG transport stream MP2 from the magnetic tape position P11 to the output terminal 6. Conveys the information, which is shown in the television set 3. The end position P11 of the reproduction area of the trick-play reproduction area that can be reproduced at the first trick-play reproduction speed V2 corresponds to the predetermined magnetic tape position P11.

This is the advantage that the playback of the beginning of the television program "MOV1E 3" from the trick-play playback areas is smoothly shifted from the normal-play playback areas to the continued playback of the television program "MOV1E 3", and the user is not substantially aware of this. To provide.

According to the video information D and the content data ID recorded in the normal-play playback areas, there is an advantage that respective storage means for storing this information in the video recorder 1 can be omitted. In addition, this has the advantage that the video information and the content data ID of the table of the magnetic tape 15 are recorded on the magnetic tape 15 and can be evaluated by other video recorders including respective allocation means. to provide.

According to the second embodiment of the video recorder 1, the magnetic heads of the magnetic head pairs 13 and 14 are located at the magnetic tape position between the magnetic tape positions P4 and P5, but not at the magnetic tape position P5. Crazy It is also believed that the user of the video recorder 1 operates each key of the keyboard 33 to maintain the display on the television set 3 of the contents table of the television programs recorded on the magnetic tape 15. Each of the movable information AI is applied to the control means 31 via the keyboard 33, and the control means magnetically at the speed VS of winding the respective motor control information MSI to the magnetic tape position 15. The tape 15 is applied to the motor 19 for conveying.

When the magnetic tape position P5 of the magnetic tape 15 conveyed at the winding speed VS is reached, the control means 31 transfers the respective motor control information MSI to the magnetic tape 15 at the normal-play playback speed. ) Is transferred to the motor 19 to transfer. Subsequently, from the digital signal data SD recorded in the normal-play reproduction areas, the content data ID recorded in the pack-data blocks and the video information D of the content table and the content table of the magnetic tape 15 Is shown by the television set 3.

According to the second embodiment of the video recorder 1, it is believed that the user of the video recorder 1 operates each key of the keyboard 33 to watch the television program "MOVIE 1". Subsequently, as described above, the control means 31 evaluates the current magnetic tape position, the start tape position P1 of the television program " MOVIE 1 " and the allocation information ZI applied to the control means, respectively, Motor control information (MSI) is conveyed to the motor for conveying the magnetic tape 15 at the fifth trick-play reproduction speed V6. Subsequently, the digital signal data of the beginning of the television program "MOVIE 1" recorded in the trick-play reproduction areas that can be reproduced at the fifth trick-play reproduction speed V6 is reproduced by the reproduction means, and each television The signal FS is displayed by the television set 3.

When the predetermined magnetic tape position P3 of the magnetic tape 15 conveyed at the fifth trick-play reproduction speed V6 is reached, the control means 31 normal-plays the respective motor control information MSI. It applies to the motor 19 with the magnetic tape 15 conveyed at the regeneration speed V1. Subsequently, the reproduction of the television program "MOVIE 1" continues from the magnetic tape position P3 having the digital signal data SD reproduced from the normal-play reproduction regions.

This provides the advantage that the television program selected by the viewing user is independent and substantially reproduced at the current magnetic tape position immediately after the user's selection so that the user does not have to wait.

For example, although the start of the television program "MOVIE 3" can be played at the trick-play playing speed, the predetermined magnetic tape position P11 of the magnetic tape 15 conveyed at the first trick-play playing speed V2. ) Is placed behind a predetermined magnetic tape position P10 on the magnetic tape conveyed at the third trick-play reproduction speed V4. This is from the magnetic tape position P1 of the magnetic tape 15 conveyed at the first trick-play reproduction speed V2 until the magnetic tape position P11 is reached, until the magnetic tape position P10 is reached. The larger part of the television program "MOVIE 3" is caused by the fact that it has already been reproduced from the magnetic tape position P5 of the magnetic tape 15 conveyed at the third trick-play reproduction speed V4.

According to the third embodiment of the video recorder 1, three television programs "MOVIE 1", "MOVIE" on the magnetic tape 15 of the video cassette inserted in the video recorder 1 by the user of the video recorder 1. 2 ", and " MOVIE 3 ", it is believed that the program can be received by the satellite antenna 4 on the same night. For this purpose the user of the video recorder 1 performs timer programming of the video recorder 1 by using the keyboard 33 as is generally known.

Prior to this, television programs are not recorded on the magnetic tape 15, and the video recorder 1 reads the digital signal data SD in the trick-play playback areas and the normal-play playback areas as shown in FIG. It is believed to record.

Finally, it is believed that the television programs "MOVIE 1" and "MOVIE 2" simultaneously transport each to the program stream of the MPEG transport stream in the DVB signal which can be received by the satellite antenna 4. The third television program "MOVIE 3" is an MPEG of DVB signal which is received by the satellite antenna 4 and can be carried by the set top box 2 to an input terminal 5 in the first MPEG transport stream MP1. It is later transferred to the program stream of the transport stream.

When the control means 31 establishes that the start time of recording indicated in the timer programming has reached, the control means 31 comprises hard disk means for storing program streams of the television programs "MOVIE 1" and "MOVIE 2". In step 26, hard disk information HI is provided. When the end time of the recording instructed by the timer programming is reached, the control means 31 delivers the hard disk information HI to the hard disk means 26 to end the storage of the received program streams. In the same way, the hard disk means 26 also stores the television program "MOVIE 3".

When the programmed television programs to be recorded by the hard disk means 26 are stored, the control means 31 of the assigning means records recording and normal-play reproduction of the beginning of the television programs in the trick-play reproduction regions as described above. It is provided to determine certain magnetic tape positions P which are capable of smooth transfer of reproduction from the regions and trick-play reproduction regions. Each hard disk information HI can be transmitted to the hard disk means 26.

Moreover, the control means 31 of the assigning means 30 comprises trick-play reproduction speeds V, i.e., V2? P11; V3⇔P7; V4⇔P10; V5⇔P3; V5⇔P7; V5⇔P10; V6⇔P3; V6⇔P7; Arranged to assign V7⇔P4. Each hard disk information HI can be transmitted to the hard disk means 26.

Titles of television programs to be recorded on the magnetic tape 15 are conveyed from additional information contained in the data packets of the first MPEG transport stream MP1 or by the user of the video recorder 1 by the keyboard 33. Is written. The video recorder 1 is in a manner not shown in FIG. 1, in which the video information can be stored on the hard disk means 26, titles, start and end of magnetic tape, and magnetic tape ( 15) it is possible to generate additional information about the television programs to be recorded on.

Subsequently, the control means 31 stores the video information read from the television programs "MOVIE 1", "MOVIE 2", and "MOVIE 3" and the hard disk means 26 in the normal-play playback areas of the magnetic tape. D) is arranged to activate the recording mode in the video recorder for recording. At the same time, the information shown in FIG. 2 is recorded in the trick-play reproducing areas of the magnetic tape 15. The control means 31 then forms the content recording means.

As a result, the digital signal data SD can be recorded by the video recorder 1 in the trick-play playback areas and the normal-play playback areas, and the digital signal data is recorded on the magnetic tape 15. Immediate playback of the program is possible.

The video recorder according to the second embodiment of the present invention essentially corresponds to the video recorder according to the first embodiment of the present invention shown in Fig. 1, while the video recorder according to the second embodiment of the present invention is provided on a magnetic tape. Storage means for storing video information (D) and content data (ID) of the content table of the television programs recorded in the.

Fig. 2 shows television programs recorded as digital signal data 9SD), in which a broadcast is carried out having a video recorder according to the second embodiment of the present invention in trick-play playback areas and normal-play playback areas of a magnetic tape. It is recorded on the magnetic tape of the video cassette inserted in the video recorder according to the second embodiment. In the normal-play reproduction areas, video information D and content data ID of the content table are not recorded in the pack data blocks because this information is stored by the above-described storage means.

The magnetic tape conveying means of the video recorder according to the second embodiment of the present invention is equivalent to 48 times the normal-play playback speed V1 and 48 times the normal-play speed V1. However, it is additionally arranged for conveying the magnetic tape at the eighth trick-play reproduction speed V9 in which the conveying direction is reversed.

In trick-play playback areas that can be played back at the second and fifth trick-play playback speeds, the digital signal data SD does not record the beginning of a television program recorded in the normal-play playback areas. It is well known that trick-play data is performed. The trick-play data played in the playback search mode of the video recorder provides a video impression that appears to be faster in motion, and eventually ends up with a shorter playback time of the played television program.

If the user of the video recorder according to the second embodiment wants to select a television program from the contents table, each video information D can be advantageously read directly from the storage means. Similarly, certain magnetic tape positions and assigned trick-play playback speeds can be read out from the storage means, and advantageously need not be determined by the content step and the recording step according to the first embodiment of the present invention.

4 shows television programs recorded as digital signal data SD, wherein the programs are trick-play playback regions and normal-play of magnetic tape of a videocassette inserted in a video recorder according to a third embodiment of the present invention. In the playback areas are recorded by the video recorder according to the third embodiment.

The video recorder according to the third embodiment of the present invention uses only trick-play playback areas that can be played at a first trick-play playback speed for immediate playback of a television program. The assigning means of the video recorder according to the third embodiment of the present invention is very simple and advantageous.

While operating the playback search mode in the video recorder, the digital signal data SD reproduced from the trick-play playback areas comprises a so-called trailer of a television program, and subsequently play from the normal-play playback areas. It can be noted that The trailer shows scenes of the television program and provides background information for the television program. Furthermore, the playback areas contain commercial digital signal data (SD) played while the playback search mode is run on the video recorder from where the required television program is recorded until the trick-play initial magnetic tape position is reached. do.

The digital signal data of the television programs shown in the trick-play playback areas and the normal-play playback areas according to Figs. 2, 3 and 4 can be recorded on so-called played back tapes and the video recorder described above. In order to realize an advantageous playback search mode, it is necessary to have a reproduction means including an allocation means according to the present invention.

The magnetic tape conveying means may be arranged for conveying the magnetic tape, for example at six different trick-play playback speeds, but the beginning of television programs is played back with only two of the six trick-play playback speeds, for example. It can only be recorded in trick-play playback areas that can be made. Trick-play playback areas that can be played back at different trick-play playback speeds can record trick-play data or other information.

It is also noted that the inserting step is additionally recorded in the trick-play playback areas in order to enable the above-mentioned advantageous playback search in which arbitrary positions of the television program to be recorded included in the first MPEG transport stream MP1 are mentioned. .

Claims (9)

Magnetism for transporting the magnetic tape 15 at the normal-play playback speed V1, at least one trick-play playback speed V2-V9 faster than the normal-play speed V1, and the winding speeds VS and VR. From the normal-play reproducing regions of the magnetic tape 15 comprising tape conveying means 8 and conveyed by the magnetic tape conveying means 8 at the normal-play reproducing speed V1; Playback means (7, 10) for reproducing digital signal data (SD) from the trick-play reproduction areas of the magnetic tape (15) fed at the trick-play feed rate (V2-V9) by < RTI ID = 0.0 > 8). ≪ / RTI > To obtain a transfer of the magnetic tape 15 until a predetermined magnetic tape position P3, P4, P7, P10, P11 is reached at a speed faster than the normal-play playback speed V1. To obtain the transfer of the magnetic tape 15 at the normal-play regeneration speed V1. A reproducing apparatus comprising control means for controlling the magnetic tape transfer means 8 in a layback seek mode, The assigning means 30 is arranged for allocating at least one predetermined magnetic tape position P3, P4, P7, P10, P11 at at least one trick-play reproduction speed V2-V9, and the control means 31 Reaches a predetermined magnetic tape position (P3, P4, P7, P10, P11) at the trick-play playback speed (V2-V9) assigned to the predetermined magnetic tape position (P3, P4, P7, P10, P11). Provided to reach the predetermined magnetic tape positions P3, P4, P7, P10, P11 for controlling the magnetic tape conveying means 8 to realize the conveyance of the magnetic tape 15 until A reproduction device, characterized in that. The method of claim 1, The assignment means 30 tricks of the magnetic tape 15 having the reproduction region start positions P1, P5, P6, P7, P8, P9 and the reproduction region end positions (P3, P4, P7, P10, P11). Arranged to assign predetermined magnetic tape positions P3, P4, P7, P10, and P11 to a play reproduction region, wherein the reproduction region end positions P3, P4, P7, P10, and P11 are arranged in the predetermined magnetic tape; A reproduction device corresponding to the positions P3, P4, P7, P10, and P11. The method of claim 2, Digital signal data SD including video and audio information can be reproduced according to the magnetic tape conveyed at the trick-play reproduction speed V2-V9 in the playback search mode activated in the playback device, and the signal Data achieved with video information ?? Related to video impressions and audio impressions that can be played, and audio information is played back from the magnetic tape 5 transferred from the normal-play playback areas of the magnetic tape 15 to the normal-play playback speed V1. Playback apparatus corresponding to the video impressions and audio impressions that can be realized with digital signal data (SD), which can be realized. The method of claim 1, The assigning means 30 is reproduced by the magnetic tape 15 to characterize predetermined magnetic tape positions P3, P4, P7, P10, P11 and assigned trick-play reproduction speeds V2-V9. And a content step (32) capable of evaluating content data (ID). According to claim 1, The playback means 7, 10 are MPEG transport streams (MPEG standard (system): ISO /) according to the DVHS standard (D-VHS system standard, January 1999, MPEG2 STD / HS / LS, trick-play format). A reproducing apparatus arranged for reproducing IEC 13.818-1). Trick-play on the magnetic tape conveying means 8 for conveying the magnetic tape at the normal recording speed V1 and the magnetic tape 15 conveyed by the magnetic tape conveying means 8 at the normal recording speed V1. A recording apparatus comprising: recording means (7, 9) for recording digital signal data (SD) in reproduction regions and normal-play reproduction regions, Designation means 30 is provided for allocating at least one predetermined magnetic tape position P3, P4, P7, P10, P11 at at least one trick-play playback speed V2-V9, while said at least one And a trick-play reproduction speed (V2-V9) is faster than the normal-play recording speed (V1). The method of claim 6, The assigning means 30 is provided with a play area start position P1, P5, P6, P7, P8, P9 and a play area end position P3, P4, P7, P10, in the trick-play play area of the magnetic tape 15; A recording apparatus arranged for allocating predetermined magnetic tape positions (P3, P4, P7, P10, P11) according to P11). The method of claim 6, The assigning means 30 comprises recording means 31 which can record contents data ID on the magnetic tape 15, the data being predetermined magnetic tape positions P3, P4, P7, P10. , P11) and the assigned trick-play playback speeds V2-V9. The method of claim 6, The recording means 7, 9 are MPEG transport streams (MPEG standard (system): ISO / according to DVHS standard (D-VHS system standard, January 1999, MPEG2 STD / HS / LS, trick-play format)). Recording device arranged to reproduce IEC 13.818-1).