Recording and reproducing system in which audio and video signals are recorded in a plurality of sets

• US 5,625,740 A
• Filed: 04/25/1994
• Issued: 04/29/1997
• Est. Priority Date: 02/22/1990
• Status: Expired due to Fees

• Current Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
• Original Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
• Inventors: Sato, Yoshiaki, Sakai, Nobuya
• Primary Examiner(s): Tran, Thai
• Assistant Examiner(s): NGUYEN, HUY THANH
• Application Number:
  US08/231,910
• Time in Patent Office: 1,100 Days
• Field of Search: 358/342, 358/341, 358/343, 360/19.1, 386/106, 386/75, 386/96, 386/104, 386/46
• US Class Current: 386/241
• CPC Class Codes: G11B 2220/20 Disc-shaped record carriers
• CPC Class Codes: G11B 27/105 of operating discs
• CPC Class Codes: G11B 27/3027 used signal is digitally coded
• CPC Class Codes: H04N 1/2112 using still video cameras
• CPC Class Codes: H04N 1/32117 in a separate transmission or protocol signal prior to or subsequent to the image data transmission, e.g. in digital identification signal [DIS], in non standard setup [NSS] or in non standard field [NSF] for mode signalling H04N1/333
• CPC Class Codes: H04N 2201/3247 Data linking a set of images to one another, e.g. sequence, burst or continuous capture mode
• CPC Class Codes: H04N 2201/3264 of sound signals
• CPC Class Codes: H04N 2201/3277 The additional information being stored in the same storage device as the image data
• CPC Class Codes: H04N 9/802 involving processing of the sound signal H04N9/806, H04N9/835 take precedence

Abstract

In a recording and reproducing system operable in an AV mode for recording and reproducing a plurality sets of video and audio signals, each set consisting of a combination of at least a video signal and an audio signal, an AV number is recorded together with the video and/or audio signals in each set, and all video and audio signals having the same AV number can be reproduced in combination.

Claims

1. A recording and reproducing system operable in an AV mode in which audio and video signals are recorded in a plurality of sets, each set comprising a combination of at least one audio signal and a video signal associated with said at least one audio signal, said system comprising:

recording means for recording said plurality of sets of audio and video signals on tracks of a recording medium;

means for generating a discriminating information uniquely identifying each of said plurality of sets;

recording control means for controlling said recording means to record said discriminating information for a particular one of said plurality of sets on each track for audio and video signals in said particular set;

reproducing means for reproducing audio and video signals from said recording medium, said reproduced signals including at least the audio and video signals from a plurality of sets which include said discriminating information;

detecting means for detecting said discriminating information from said reproduced signals;

reproducing control means responsive to the detected discriminating information of said particular set for selecting said particular set and for controlling said reproducing means to reproduce in combination the audio and video signals in said particular set.

2. A recording and reproducing system as recited in claim 1, wherein said recording means records said discriminating information together with both of said video and audio signals in each set.

3. A recording and reproducing system as recited in claim 1, wherein said recording medium is a disk with a plurality of tracks, and said recording means records the audio and video signals on respective audio and video tracks of said disk.

4. A recording and reproducing system as recited in claim 3, wherein said plurality of tracks are displaced with respect to one another in a radial direction of said disk, wherein said recording means records at least one of audio signals and video signals together with said discriminating information on a sequence of tracks in said radial direction, and wherein said detecting means detects said discriminating information in the same sequence as that for said recording means.

5. A recording and reproducing system as recited in claim 3, wherein said recording means further records, on a current audio track, a current audio signal together with data for the number of a next audio track in which a next audio signal following the current audio signal is to be recorded.

6. A recording and reproducing system as recited in claim 3, wherein said recording means further records, on a current video track, a current video signal together with data for the number of a next video track in which a next video signal following the current video signal is to be recorded.

7. A recording and reproducing system as recited in claim 1, wherein said recording means includes means for generating and recording an index signal as part of said audio signal, and wherein said reproducing control means is responsive to said index signal for switching from a currently reproduced video signal to another video signal.

8. A recording and reproducing system as recited in claim 4, wherein said recording means respectively records the audio signals and the video signals in an audio track area and an video track area separated from each other on the disk.

9. A disk recording device including recording means for recording audio and video signals on respective audio and video tracks of a disk with a plurality of tracks, said device being operable in an AV mode in which audio and video signals are recorded in a plurality of sets with each set consisting of a combination of at least one audio signal and a video signal associated with said at least one audio signal, said device comprising:

means for generating a discriminating information uniquely identifying each of said plurality of sets;

memory means for storing said discriminating information; and

control means for controlling said recording means to record said discriminating information on each of said video and audio tracks, said discriminating information identifying each set being included with all of said audio and video signals in said each set, and said discriminating information recorded with said audio and video signals being the same for all audio and video signals in a given set of said plurality of sets.

10. A disk recording device as recited in claim 9, wherein said device includes means for generating an index signal and an index switch for indicating an insertion of an index signal in the audio signal of a particular set for controlling reproduction of video signals in said particular set, and a means responsive to operation of said index switch during a sound receiving operation for inserting an index signal in the audio signals.

11. A disk recording device as recited in claim 9, wherein each video signal in a set is recorded together with a signal indicating the location of the next track.

12. A disk recording device as recited in claim 9, further comprising audio signal memory means for temporarily storing an audio signal generated during a sound receiving operation, means for detecting a full audio signal memory means, and means responsive to the detection of a full audio signal memory means for recording the stored audio signal on an audio track of said disk together with said discriminating information.

13. A disk recording device as recited in claim 9, wherein said plurality of tracks are displaced with respect to one another in a radial direction of said disk and wherein said recording means records at least one of audio signals and video signals together with said discriminating information on a sequence of tracks in said radial direction.

14. A disk recording device as recited in claim 9, wherein said discriminating information is recorded with both of said video and audio signals in each set.

15. A disk reproducing device including a user-operable selection means for specifying a discriminating information uniquely identifying a desired set of audio and video signals to be reproduced and a reproducing means for reproducing from a disk discriminating information previously recorded on said disk as well as audio and video signals from a plurality of sets of audio and video signals which have been recorded on said disk on respective audio and video tracks, each of said plurality of sets of signals comprising a combination of at least one audio signal and at least one video signal associated with said at least one audio signal, with all of said audio and video signals in each set of said plurality of sets of audio and video signals being recorded together with discriminating information included therein and uniquely identifying said each set of signals, and with the discriminating information recorded with said audio and video signals in each set being the same for all audio and video signals in a given set of said plurality of sets, said reproducing device being operable in an AV mode in which said desired set of audio and video signals are reproduced together, said device comprising:

detecting means for detecting, in the audio and video signals reproduced from said disk as said reproducing means reproduces audio and video signals belonging to said plurality of sets of audio and video signals, discriminating information which matches said discriminating information uniquely identifying said desired set of audio and video signals to be reproduced; and

control means responsive to said detecting means for controlling said reproducing means to reproduce in combination the audio and video signals in said desired set of audio and video signals.

16. A disk reproducing device as recited in claim 15, wherein said disk includes tracks which are displaced radially with respect to one another, and wherein said detecting means detects said discriminating information from successive tracks in said radial direction.

17. A disk reproducing device as recited in claim 15, wherein said discriminating information is recorded with both of said audio and video signals in said set, and said control means controls said reproducing means to reproduce together the audio and video signals having the same discriminating information.

18. A disk reproducing device as recited in claim 15, wherein said detecting means detects said discriminating information from a predetermined sequence of tracks on said disk.