JP3092141U - Video / audio recording / playback device - Google Patents

Abstract

(57) [Summary] [Problem] A video / audio recording in which a user can automatically perform a process of dubbing video / audio information recorded on a magnetic tape to a DVD until dubbing is completely completed by a simple operation. A playback device is provided. SOLUTION: A magnetic tape 15 is fast-forward-reproduced before dubbing, and tape information including a position where a recording mode is switched and a non-signal area is detected by a CPU 3 during the reproduction, and stored in a memory 4. The reproduction for dubbing is started, the bit rate at dubbing is adjusted according to the tape information, and the video / audio information excluding the non-recording area on the magnetic tape 15 is dubbed to the recordable DVD medium 16. This dubbing is performed until it is completely finished.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention is an analog audio recording medium such as a magnetic tape for audio and video information. Function of analog recording / reproducing equipment for recording / reproducing in a digital manner and DVD (digital versat Digitally record video / audio information on a digital recording medium such as an ile disk) Video / audio recording / playback that is a multi-function peripheral that has the function of a digital recording / playback device for playback. The present invention relates to a device, in particular, a device for dubbing the contents of an analog recording medium onto a DVD. The present invention relates to a video / audio recording / reproducing device.

[0002]

[Prior art]

  For example, in order to record video and audio information such as movies, it is necessary to use an Development of magnetic tape (video tape) that records in a log format and recent compression encoding technology A digital recording DVD or the like, which is becoming popular, is used. Magnetic A VCP (video cassette) is a device for recording / reproducing information by driving a tape. Player), etc., and also drives the optical disk to record / reproduce information. The device includes a DVD recorder and the like.

[0003]   By the way, recently, there has been a combination of the above-mentioned VCP and DVD recorder integrated. A chance is proposed. Information stored on magnetic tapes is Has a function of dubbing to DVD.

[0004]   As a conventional technique of this type of multifunction peripheral, for example, Japanese Patent Laid-Open No. 2001-16540 The audio and video recording system shown in is open to the public.

[0005]   In this audiovisual recording system, when dubbing information from a magnetic tape onto a DVD In addition, the VCR section reproduces the audiovisual data recorded on the magnetic tape, and during this reproduction, When index data is detected, an index detection notification indicating that is displayed To the VCR (video cassette recorder). The video / audio data from the recorder section is compressed / encoded and recorded on a DVD. Each time an index detection notification is received from the VCR unit during recording of image / audio data, It is configured to execute division of the audiovisual data to be recorded.

[0006]   That is, according to this configuration, the image is projected based on the index data from the magnetic tape. The image / audio data is cueed to divide the audio / video data to be dubbed. Also, the index of the audio / video data heading to be dubbed can be found. I am sorry.

[0007]   Also, in this video / audio recording system, the VCR section is used when reproducing the video / audio data. Judge the transport speed of the magnetic tape, and digitally display the playback mode notification that shows the determination result. It is sent to the recording unit, which causes the digital recording unit to digitize the audiovisual data. Video sound according to the image quality level determined according to the playback mode notification when recording It is configured to record voice data on a DVD.

[0008]   That is, according to this configuration, dubbing onto a DVD according to the reproduction mode of the magnetic tape The image quality of the audio / video data is changed. For example, the playback mode of magnetic tape is In standard mode, you can record high-quality video and audio data on a DVD, , The image quality is inferior, but the recording time is long and the audio and video data can be recorded on the DVD. It That is, in order to effectively use the recording area, The bit rate is changed according to the recording time.

[0009]   Further, in this video / audio recording system, the VCR section is a non-recorded area of the magnetic tape. A non-recorded area detection notification indicating that is detected and transmitted to the digital recording section. When the digital recording section receives the non-recorded area detection notification, the digital recording section writes to the DVD. It is configured to end the recording.

[0010]   That is, according to this configuration, information is recorded from the magnetic tape during dubbing. When a blank area is read, the drive of the magnetic tape is automatically stopped, and the wasteful Is not dubbed onto a DVD.

[0011]

[Problems to be solved by the device]

  However, in the video / audio recording system described above, the information on the magnetic tape is recorded in DV. If a non-recorded area of the magnetic tape is detected while dubbing to D, Even if there is a recording area, it will be considered as the end and the drive of the magnetic tape will stop, so the user You have to press the dubbing operation key again, and the dubbing is done automatically until the end. There is a problem that it can not be done, and the user is completely finished dubbing. The problem is that dubbing efficiency is poor because it must be monitored until the end was there.

[0012]   The conventional technique disclosed in Japanese Patent Laid-Open No. 2000-163865 has a plurality of different units. To facilitate mutual exchange of information between different types of information recording / reproducing devices. However, it does not solve the above problems and has a different purpose.

[0013]   Further, the conventional technique disclosed in Japanese Patent Laid-Open No. 2001-216724 is based on a predetermined data. By controlling the replication of the data according to the restriction information that restricts the replication of the data, This is to enable the effective use of the recording area of the recording medium. It does not solve the point, but the purpose is different.

[0014]   Further, the conventional technique disclosed in Japanese Patent Laid-Open No. 2002-124021 is used for movies and the like. Some soft tapes (magnetic tapes) or discs on which certain audiovisual information is recorded. If there is a disc recording medium (digital recording medium), the original video and audio is analyzed and special By recording the playback signal on another recording medium, soft tape or disk recording If you copy the medium to another recording medium with another recording method, etc. The recording medium does not need to be copied by changing the recording method, and the same data can be recorded. By installing the special playback recording medium on the copy destination recording medium However, it does not solve the above problems and has a different purpose.

[0015]   The present invention has been made to solve the above problems, and is easy for users. The audio / video information recorded on an analog recording medium such as a magnetic tape can be DVD-operated. Until the dubbing is completely completed, the process of dubbing on a digital recording medium such as An object is to provide a video / audio recording / reproducing apparatus which can be automatically performed.

[0016]

[Means for Solving the Problems]

  In order to achieve the above object, the device of claim 1 is an analog image recording device for a magnetic tape. Analog audiovisual information recorded on the magnetic tape as well as recording audiovisual information Analog recording / playback section to play back and record digital video / audio information to DVD And a digital recording for reproducing the digital audiovisual information recorded on the DVD. And a recording / playback unit for dubbing the contents of the magnetic tape onto the DVD. In the video / audio recording / reproducing apparatus having the above, the contents of the magnetic tape are copied to the DVD. Free space confirmation means for confirming whether there is a free space on the DVD before playing If there is no free space, a warning will be issued and a message will be displayed to secure the free space. Warning output means for outputting a message and the analog recording after the empty area is secured. The magnetic tape is rewound to the reproducing section to reproduce the magnetic tape at high speed. High-speed playback instruction means that gives instructions, the position where the recording mode switches and the no-signal area And tape information including the type of magnetic tape and the presence / absence of a copy guard signal. Tape information detecting means for detecting the high-speed playback of a group and storing it in a memory; The audiovisual information recorded on the magnetic tape should fit on one DVD as much as possible. Adjust the bit rate during dubbing according to the tape information stored in the memory. It is equipped with a bit rate adjusting means to adjust the magnetic tape again before dubbing. Rewind, start playback for dubbing, and adjust the bit rate No recording of the magnetic tape based on the tape information in the recording mode according to Video and audio, characterized by dubbing video and audio information excluding areas to the DVD A recording / reproducing apparatus is provided.

[0017]   In this configuration, before dubbing the contents of the magnetic tape onto the DVD, It is confirmed whether there is a free area on the DVD, and if there is no free area, a warning is issued. A message is output to reserve the free space. This will free up space Since the dubbing process is not performed until after the The property is improved.

[0018]   After the free space on the DVD is secured, the magnetic tape is rewound and at high speed. Playback (fast forward playback) is performed, and during this playback, the recording mode switching position and no signal Of tape information including the area of the tape, the type of magnetic tape, and the presence / absence of a copy guard signal Stored in the memory.

[0019]   Then, before the dubbing, the magnetic tape is rewound for the dubbing. Of the video tape recorded on the magnetic tape as much as possible. When dubbing according to the tape information stored in the memory so that it fits on a DVD The bit rate of the video tape is adjusted, and the video and audio excluding the non-recorded area of the magnetic tape Information is dubbed onto the DVD. This enables effective use of DVD You can

[0020]   That is, according to the video / audio recording / reproducing apparatus of the present invention, the magnetic tape Without referring to the index information of, the tape information obtained by fast-forward playback, The recording mode can be set in advance before dubbing, and there is no recording area on the magnetic tape. It can be detected in advance whether it is there or not, so that only the recorded area can be dubbed Become.

[0021]   Therefore, the DVD can be effectively used, and the DVD can be used in the non-recorded area on the magnetic tape. Bing does not stop, and users can easily record on magnetic tape. The process of dubbing the recorded audiovisual information to the DVD is completed. Can be done automatically.

[0022]   Further, the invention of claim 2 provides analog video / audio information to an analog recording medium. Recording and reproducing analog video and audio information recorded on the analog recording medium Analog recording / playback section and digital video / audio information to digital recording media. Record and play back digital video and audio information recorded on the digital recording medium And a digital recording / reproducing unit for reproducing the contents of the analog recording medium from the digital recording medium. In a video / audio recording / reproducing apparatus having a structure capable of dubbing on a recording medium, Before playing, the analog recording medium is played back at high speed and there is no The analog recording medium information including the signal area is used for high-speed reproduction of the analog recording medium. Analog recording medium information detecting means for detecting and storing in a memory, and the memory Adjust the bit rate during dubbing according to the analog recording medium information stored in And an analog recording medium for dubbing, comprising: Of the recording mode according to the bit rate being adjusted, and Excluding non-recorded areas of the analog recording medium based on the analog recording medium information Video and audio characterized by dubbing video and audio information on the digital recording medium A recording / reproducing apparatus is provided.

[0023]   In this configuration, the analog recording medium is reproduced at high speed (fast-forwarding) before dubbing. During this playback, the position at which the recording mode switches and the no-signal area are displayed. The analog recording medium information including is detected and stored in memory.

[0024]   Then, reproduction for dubbing is started, and the analog recording stored in the memory is started. The bit rate during dubbing is adjusted according to the recording medium information. The audio and video information excluding the non-recorded area of the recording medium is dubbed on the digital recording medium. Be done.

[0025]   That is, according to the video / audio recording / reproducing apparatus of the present invention, the analog recording is performed. An analog recording medium obtained by high-speed playback without referring to the index information of the recording medium. The recording mode can be set in advance before dubbing according to the body information. It is possible to detect in advance where the unrecorded area on the body is, so that the recorded area Only the dubbing is possible.

[0026]   Therefore, the digital recording medium can be effectively used, and the analog recording medium can be used. The dubbing does not stop in the non-recorded area of the Dubbing audiovisual information recorded on an analog recording medium to a digital recording medium The process can be done automatically until the dubbing is complete.

[0027]   According to the invention of claim 3, in the video / audio recording and reproducing apparatus of claim 2, Before dubbing the contents of the log recording medium onto the digital recording medium, the digital recording Free space confirmation means for checking whether there is a free space on the medium, and the free space does not exist If a warning is issued, a warning will be issued and a message will be output to secure free space. And after the free space is secured, And a high-speed reproduction instruction means for giving an instruction to reproduce the analog recording medium at high speed. It

[0028]   In this configuration, the contents of the analog recording medium are stored in the digital recording medium. Before dubbing, it is confirmed whether there is free space on the digital recording medium, If there is no free space, a warning is issued and a message is output to secure the free space. To be done. As a result, the dubbing process is performed only after the free space is secured. Since it does not exist, the reliability of the dubbing process is improved.

[0029]   According to the invention of claim 4, the bit in the video / audio recording and reproducing apparatus of claim 2 is The rate adjusting means sets the audio / video information recorded on the analog recording medium to 1 as much as possible. According to the tape information stored in the memory so that it will fit on one digital recording medium, Since the bit rate during binging is adjusted, the digital recording medium can be used effectively. You can

[0030]   According to the invention of claim 5, in the video / audio recording and reproducing apparatus of claim 2, A magnetic tape is used as the log recording medium and a DVD is used as the digital recording medium. Therefore, the versatility is enhanced for the user.

[0031]

[Embodiment of device]

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. Figure 1 is a book FIG. 1 is a block diagram showing a configuration of a video / audio recording / reproducing apparatus according to an embodiment of the invention.

[0032]   This video / audio recording / reproducing apparatus records analog video / audio information on a magnetic tape. Recording and playback of analog video and audio information recorded on the magnetic tape and output When analog video recording / playback section and digital video / audio information are recorded to DVD Digital recording / reproduction for reproducing digital video / audio information recorded on the DVD together And a section.

[0033]   The analog recording / playback unit may, for example, record analog video sound on the magnetic tape 15. The voice information is recorded and the analog video and audio information recorded on the magnetic tape 15 is recorded. VCP (Video Cassette Player) 1 to be played back and played back by VCP 1 Separate and output analog video and analog audio signals from analog video and audio information And a video / audio separation circuit 2 that operates.

[0034]   The digital recording / playback unit may, for example, record a digital video sound on the recordable DVD medium 16. Digital video and audio information recorded on the recordable DVD medium 16 while recording voice information Recording-type DVD drive 10 for reproducing information and analog video signals for digital video signals. Video A / D conversion circuit 5 for converting the analog audio signal into a digital audio signal From the audio A / D conversion circuit 6 and the video A / D conversion circuit 5 Digital audio signal from the digital video signal and audio A / D conversion circuit 6 MPEG (moving picture experts group) processing and compression / encoding Output or decode the compressed / encoded signal to obtain digital video signals and digital signals. And an MPEG encoding / decoding circuit 8 for outputting a digital audio signal.

[0035]   The digital recording / reproducing unit includes a recording type DVD drive 10 and an MPEG code. A stream control circuit 9 for controlling the flow of signals between the encoding / decoding circuit 8 and the MPEG A RAM 7 for temporarily storing data necessary for the processing of the encoding / decoding circuit 8; It controls the image / sound separation circuit 2 and the digital video signal from the video A / D conversion circuit 5. CPU3 that inputs a number or the like to perform a predetermined process described later, and CPU3. Memory that stores the processed data and programs necessary to control the CPU3 4 and an analog video signal from the digital video signal from the MPEG encoding / decoding circuit 8. Video D / A conversion circuit 11 for converting the signal into a video output terminal 13 and outputting it to the video output terminal 13. Converts the digital audio signal from the EG encoding / decoding circuit 8 into an analog audio signal And an audio D / A conversion circuit 12 for outputting to an audio output terminal 14 There is.

[0036]   Before dubbing the contents of the magnetic tape 15 onto the recordable DVD medium 16, the CPU 3 And a free area confirmation means for confirming whether or not the recordable DVD medium 16 has a free area. , If there is no free space, a warning will be issued and a message to secure free space And a warning generation unit for outputting VCP1 to the VCP1 after the empty area is secured. High speed to rewind the magnetic tape 15 and give instructions to play the magnetic tape 15 at high speed Playback instruction means, recording mode switching position, no-signal area, and magnetic tape type Information including tape type and presence / absence of copy guard signal for high speed reproduction of the magnetic tape 15. And a tape information detecting means for detecting the stored information in the memory 4 and storing it in the magnetic tape 15. The recorded video and audio information is stored in the memory 4 so that it will fit on one DVD as much as possible. Bits for adjusting the bit rate during dubbing according to the tape information And rate adjusting means.

[0037]   Next, the video / audio recorded on the magnetic tape 15 by using this video / audio recording / reproducing apparatus. A dubbing process for recording voice information on the recordable DVD medium 16 will be described.

[0038]   The recording-type DVD medium 16 is set in the recording-type DVD drive 10, and the magnetic tape 1 5 is set to VCP1 and the main unit's automatic dubbing key (not shown) or remote control When the automatic dubbing key (not shown) is pressed, the following processing is performed.

[0039]   First, check whether there is an empty area (blank media) on the recordable DVD medium 16 Is performed by the free space confirmation means of the CPU 3, and the free space is recorded on the recordable DVD medium 16. If there is not, a warning is issued by the warning generation means, and a message is displayed to secure the free space. Message is displayed on the display unit or output as a voice. Recordable DVD medium 1 If there is no free area in 6, the user exchanges with the recordable DVD medium 16 with free area. Secure a free area by replacing it.

[0040]   Next, the high speed reproduction instruction means of the CPU 3 gives a high speed reproduction instruction to the VCP 1. This causes the VCP 1 to rewind if the magnetic tape 15 is not rewound. Then, the magnetic tape 15 is reproduced at a high speed (fast-forward reproduction). And this magnetic tape The tape information obtained by the high speed reproduction of the tape 15 is stored in the memory 4.

[0041]   The tape information is a recording mode of the video / audio signal recorded on the magnetic tape 15. Position where the mode is switched, no signal area on the magnetic tape 15, type of the magnetic tape 15 , Information indicating the presence or absence of a copy guard signal indicating the area where recording is prohibited, etc. U

[0042]   Position at which the recording mode of the audiovisual information recorded on the magnetic tape 15 is switched Is recorded in the triple mode from the area recorded in the standard mode, for example. Shown in time to move to the area. That is, the position where the recording mode is switched is the magnetic tape. By measuring the elapsed time when the recording mode is switched after playing 15 Can be detected. Also, the type of magnetic tape 15 is an example of the recordable time. For example, it means the type of tape according to the recordable time such as 120 minutes or 180 minutes. , Can be detected by measuring the total reproduction time.

[0043]   In this way, the tape information is detected and stored in the memory 4, and then the magnetic tape 15 is rewound and a dubbing process is started. In this dubbing process, The process of adjusting the bit rate during the operation will be described with reference to the flowchart shown in FIG. It

[0044]   First, set the entire storage area of the magnetic tape 15 for dubbing in the recording mode of the lowest image quality. (Step S1). That is, dubbing in the recording mode with the lowest bit rate Set the image quality for performing. Next, dubbing in this low-quality recording mode If so, whether or not recording on one DVD is possible is judged based on the tape information (step If it is not possible to record on one DVD, follow the automatic dubbing settings. And continue the operation (step S3).

[0045]   The automatic dubbing setting allows all the recorded contents of the magnetic tape to fit on one DVD. It is a setting when not dubbing, and once dubbing to the first DVD is over, once dubbing Stop the recording process and replace the first DVD with the second DVD Set it on the disk 10 and specify the area of the magnetic tape to be dubbed on the second DVD. Display the screen. Then, specify the area of the magnetic tape to be dubbed onto the second DVD. Then, the remaining information on the magnetic tape is dubbed onto the second DVD.

[0046]   On the other hand, when recording on a single DVD is possible, the magnetic tape 15 can be recorded in the standard mode. It is judged whether or not there is a recorded area (step S4), and it is stored in the standard mode. If there is no area to be dubbed, dubbing starts in EP (extended play) mode. (Step S5).

[0047]   If the magnetic tape 15 has an area recorded in the standard mode, the recording time is the longest. Change the recording mode in the short place to a good image quality one step higher (step S6). If the dubbing is performed in the recording mode of this image quality by increasing the print rate by one step, Based on the tape information, it is determined whether or not recording on one DVD is possible (step S7) If it is not possible to record on one DVD, the recording mode before changing the recording mode Dubbing is started (step S11).

[0048]   If it is possible to record on one DVD, the recording mode of the second shortest recording time Mode is changed to a good image quality one step higher (step S8), that is, the bit rate is changed to one step. If you go upstairs and perform dubbing in this image quality recording mode, you can record on one DVD Whether or not it is possible is judged based on the tape information (step S9), and If it is not possible to record on DVD, start dubbing in the recording mode before changing the recording mode Yes (step S11).

[0049]   If it is possible to record on one DVD, the recording mode at the third shortest recording time Mode is changed to a good image quality one step higher (step S10), that is, the bit rate is set to 1 Step-up, and thereafter, the same processing as above is performed.

[0050]   As explained above, all recorded information on the magnetic tape can be stored on one DVD as much as possible. Memory so that the data can be recorded on a DVD in full and with the best possible image quality. The bit rate is adjusted based on the tape information stored in 4, and the dubbing process is performed. Since this is performed, the record information on the magnetic tape can be efficiently recorded on the DVD. Also, since the non-recorded area of the magnetic tape is not recorded on the DVD, DVD can be used effectively.

[0051]   Next, the flow of signals during dubbing will be described. Recorded on magnetic tape 15 The analog video / audio information is reproduced by the VCP 1 and given to the video / audio separation circuit 2. It is separated into an analog video signal and an analog audio signal. And analog The video signal is given to the video A / D conversion circuit 5 and converted into a digital video signal, The analog voice signal is given to the audio A / D circuit 6 and converted into a digital voice signal. Will be replaced.

[0052]   The outputs of the video A / D conversion circuit 5 and the audio A / D conversion circuit 6 are It is controlled by the CPU 3 during the operation. That is, the CPU 3 is stored in the memory 4. Video A / D conversion circuit 5 and audio A / D conversion circuit according to tape information 6 output control. Therefore, the signal is reproduced in the non-signal area of the reproduction signal of the magnetic tape 15. The corresponding part is from the video A / D conversion circuit 5 and the audio A / D conversion circuit 6. Is not output and the digital video signal and digital audio signal excluding the non-signal area are Output from the video A / D conversion circuit 5 and the audio A / D conversion circuit 6, respectively. Will be done.

[0053]   Next, the digital video signal and digital audio signal excluding the non-signal area are MP The stream control circuit is provided with the EG encoding / decoding circuit 8 for compression / encoding. It is given to the recording type DVD drive 10 via 9. As a result, a recordable DVD The drive 10 uses the compressed and encoded digital video signal and digital audio signal. The digital video and audio information in the recording mode according to the bit rate described in FIG. Then, it is recorded on the recordable DVD medium 16.

[0054]   By the above operation, the analog video / audio information of the magnetic tape 15 is digital. The audio and video information is recorded on the recordable DVD medium 16, and the dubbing process ends.

[0055]   It should be noted that, in the present embodiment, a combined machine of an analog recording / reproducing unit and a digital recording / reproducing unit The process of dubbing the recorded contents of the magnetic tape onto a DVD has been explained. Even if the analog recording / playback device and digital recording / playback device are separate, the analog Interface between digital recording and playback equipment and digital recording and playback equipment matches, It is possible to form the configuration described in this embodiment and to have the same function. In this case, dubbing processing having similar characteristics can be performed. In this way analog recording Even if the raw device and digital recording / playback device are separate, analog recording / playback device The interface between the digital recording and playback device matches and If we can form a configuration like the one described above and have similar functions, we can In this case, it can be included in the concept of the multi-function peripheral as referred to in the present invention.

[0056]

[Effect of device]

  As described above, according to the invention of claim 1, the contents of the magnetic tape are dubbed onto the DVD. If there is no free space on the DVD, it is checked before Issues a warning and outputs a message to secure free space. This The dubbing process will not be performed until the free space is secured. The reliability of the reason is improved.

[0057]   After the free space on the DVD is secured, the magnetic tape is rewound and at high speed. Playback (fast forward playback) is performed, and during this playback, the recording mode switching position and no signal Of tape information including the area of the tape, the type of magnetic tape, and the presence / absence of a copy guard signal Stored in the memory.

[0058]   Then, before the dubbing, the magnetic tape is rewound for the dubbing. Of the video tape recorded on the magnetic tape as much as possible. When dubbing according to the tape information stored in the memory so that it fits on a DVD The bit rate of the video tape is adjusted, and the video and audio excluding the non-recorded area of the magnetic tape Information is dubbed onto the DVD. This enables effective use of DVD You can

[0059]   That is, according to the video / audio recording / reproducing apparatus of the present invention, the magnetic tape Without referring to the index information of, the tape information obtained by fast-forward playback, The recording mode can be set in advance before dubbing, and there is no recording area on the magnetic tape. It can be detected in advance whether it is there or not, so that only the recorded area can be dubbed Become.

[0060]   Therefore, the DVD can be effectively used, and the DVD can be used in the non-recorded area on the magnetic tape. Bing does not stop, and users can easily record on magnetic tape. The process of dubbing the recorded audiovisual information to the DVD is completed. Can be done automatically.

[0061]   According to the invention of claim 2, the analog recording medium is reproduced at high speed before dubbing. (Fast forward playback), and during this playback, the position at which the recording mode switches and the And the analog recording medium information including the area is detected and stored in the memory.

[0062]   Then, reproduction for dubbing is started, and the analog recording stored in the memory is started. The bit rate during dubbing is adjusted according to the recording medium information. The audio and video information excluding the non-recorded area of the recording medium is dubbed on the digital recording medium. Be done.

[0063]   That is, according to the video / audio recording / reproducing apparatus of the present invention, the analog recording is performed. An analog recording medium obtained by high-speed playback without referring to the index information of the recording medium. The recording mode can be set in advance before dubbing according to the body information. It is possible to detect in advance where the unrecorded area on the body is, so that the recorded area Only the dubbing is possible.

[0064]   Therefore, the DVD can be effectively used, and the DVD can be used in the non-recorded area on the magnetic tape. Bing does not stop, and the analog recording medium can be easily operated by the user. Dubbing the process of dubbing the audiovisual information recorded on the digital recording medium. Can be done automatically until the end.

[0065]   Further, according to the invention of claim 3, in the video / audio recording and reproducing apparatus of claim 2, Before dubbing the contents of the analog recording medium onto the digital recording medium, It is confirmed whether there is a free space on the recording medium, and if there is no free space, a warning is issued. Then a message is output to secure the free area. This will free up space The reliability of the dubbing process because the dubbing process is not performed until it is secured. Is improved.

[0066]   According to the invention of claim 4, the video / audio recording and reproducing apparatus of claim 2 The bit rate adjusting means limits the amount of audiovisual information recorded on the analog recording medium. According to the tape information stored in the memory so that it will fit on one digital recording medium. Since the bit rate during dubbing is adjusted, the digital recording medium can be used effectively. Can be used.

[0067]   According to the invention of claim 5, in the video / audio recording / reproducing apparatus of claim 2, Since the analog recording medium is a magnetic tape and the digital recording medium is a DVD, Analog video and audio information can be recorded on magnetic tape, and digital video and audio information can be recorded on DVD. The contents of the magnetic tape can be dubbed to DVD, Higher versatility.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a video / audio recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 2 is a flowchart showing a process of adjusting a bit rate during dubbing in the audiovisual recording and reproducing apparatus according to the embodiment of the present invention.

[Explanation of symbols]

1 VCP 3 CPU (vacant area confirmation means, warning generation means, high speed reproduction instruction means, tape information detection means, bit rate adjustment means, analog recording medium information detection means) 4 memory 10 recording type DVD drive 15 magnetic tape (analog recording medium ) 16 Recording-type DVD medium (digital recording medium)

Claims (5)

[Scope of utility model registration request] 1. An analog recording / reproducing unit for recording analog video / audio information on a magnetic tape and reproducing the analog video / audio information recorded on the magnetic tape, and a DV.
A video / audio having a configuration capable of recording digital video / audio information on D and reproducing the digital video / audio information recorded on the DVD and dubbing the contents of the magnetic tape onto the DVD. In the recording / reproducing apparatus, before dubbing the contents of the magnetic tape to the DVD, an empty area checking means for checking whether there is an empty area in the DVD, and a warning is issued if there is no empty area. And a high speed for giving an instruction to rewind the magnetic tape to the analog recording / reproducing unit to reproduce the magnetic tape at a high speed after the empty area is secured. A reproduction instruction means, a position including a position at which the recording mode is switched, a non-signal area, a magnetic tape type, and the presence / absence of a copy guard signal. Tape information detecting means for detecting information by high-speed reproduction of the magnetic tape and storing it in the memory, and video / audio information recorded on the magnetic tape is stored in the memory so that it fits on one DVD as much as possible. Bit rate adjusting means for adjusting the bit rate during dubbing according to tape information, rewinding the magnetic tape before dubbing, starting reproduction for dubbing, and adjusting the bit rate In the recording mode according to the above, and based on the tape information, the audiovisual information excluding the non-recorded area of the magnetic tape is recorded on the DV.
A video / audio recording / reproducing apparatus characterized by dubbing to D. 2. An analog recording / reproducing unit for recording analog video / audio information on an analog recording medium and reproducing the analog video / audio information recorded on the analog recording medium, and digital video / audio information for the digital recording medium. And a digital recording / reproducing unit for reproducing the digital video / audio information recorded on the digital recording medium, and having a configuration capable of dubbing the contents of the analog recording medium onto the digital recording medium. In the above, before the dubbing, the analog recording medium is reproduced at high speed, and analog recording medium information including a position where the recording mode is switched and a non-signal area is detected by the high-speed reproduction of the analog recording medium and stored in a memory. Recording medium information detecting means and analog recording medium information stored in the memory A bit rate adjusting means for adjusting the bit rate at the time of dubbing in accordance with the above-mentioned method, the reproduction of the analog recording medium for dubbing is started, the image mode is in accordance with the bit rate being adjusted, and the analog recording is performed. A video / audio recording / reproducing apparatus, wherein video / audio information excluding a non-recorded area of the analog recording medium is dubbed to the digital recording medium based on medium information. 3. A free space confirmation means for checking whether there is a free space in the digital recording medium before dubbing the contents of the analog recording medium to the digital recording medium, and a warning when there is no free space. And a warning generation means that outputs a message to secure a free area,
3. The audiovisual apparatus according to claim 2, further comprising high-speed reproduction instruction means for giving an instruction to the analog recording / reproducing unit to reproduce the analog recording medium at high speed after the free space is secured. Recording / playback device. 4. The bit rate adjusting means sets the audio / video signal recorded on the analog recording medium to 1 as much as possible.
3. The video / audio recording / reproducing apparatus according to claim 2, wherein the bit rate at the time of dubbing is adjusted according to the analog recording medium information stored in the memory so that the digital recording medium fits on one sheet of digital recording medium. 5. The video / audio recording / reproducing apparatus according to claim 2, wherein the analog recording medium is a magnetic tape, and the digital recording medium is a DVD.