JPH0574043A - Video tape recorder with memo function - Google Patents

Abstract

PURPOSE:To refer to memo information as occasion demands at the time of reproducing by writing sound memo information to a recording image. CONSTITUTION:For keeping the sound memo information of a conditional description, etc., to the recording image, the sound memo information is recorded to a sub code area secured in addition to the recording area of a video signal and a sound signal on the track format of a tape. At this time, the command signal of a memo switch 33 and the sound signal from a memo recording microphone 14 through an amplifier 17, a switch circuit 18 and an A/D and compression circuit 20 are sent to a CPU 21, the sound memo information is recorded to the magnetic tape 11 by a sub code data recording part 22. In the memo information, an ID code meaning the presence of the memo information and a code indicating a memo content are incorporated, first of all, an indicator meaning the presence of the memo information to the image of the memo information reproduced by a sub code data reproducing part 27 is synthesized to be displayed by a superimposer 28, a user sees this display, depresses a memo switch 33 as necessary and the memo content is outputted with the sound.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a novel memo capable of reproducing voice memo information for a recorded image at any time according to a user's designation and viewing it with a narration such as a situation explanation for the image contents. It is intended to provide a video tape recorder with a function.

[0002]

2. Description of the Related Art As the number of recorded tapes owned by an individual increases with the spread of portable small video, an editing function is required for managing them.

For example, when and where an image taken at a travel destination is taken, or who the person in the image is, etc., must be recorded as much as possible before being remembered. become.

Therefore, there is known an apparatus having a function of adding narration to a recorded image by post-recording.

[0005]

By the way, in the conventional device, when voice memo information such as narration is recorded together with the recorded image, it is output at the time of reproduction.
If these pieces of information are constantly reproduced, there are problems such as being bothersome and making the recorded voice difficult to hear due to narration.

[0006]

Therefore, in order to solve the above-mentioned problems, the present invention records sub-information on a track of a magnetic tape, which is provided separately from a main-signal recording area including a video signal and an audio signal. The audio memo information for the video signal is recorded in the area, and the content of the memo information for the video can be referred to at any time during reproduction.

[0007]

According to the present invention, audio memo information for a video can be written as sub-information, and this audio memo information can be referred to during reproduction, so that when the user wants to hear the audio memo information. Since it can be reproduced as needed, the inconvenience that the narration is unnecessarily output is eliminated.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A video tape recorder with a memo function of the present invention will be described below in accordance with an embodiment applied to a digital video tape recorder.

In the digital video tape recorder 1 according to the present invention, the voice memo information regarding the photographed image is recorded separately from the recorded image and the recorded voice, and the voice memo information corresponding to the photographed image is recorded during reproduction. An identification index indicating whether or not there is a note is displayed, and the content of the memo is reproduced as necessary.

FIG. 1 shows a digital video tape recorder 1
FIG. 2 schematically shows the tape format configuration.

As shown in FIG. 2, one recording track 2
Inside, a main area 3 in which a video signal and an audio signal are recorded, an ATF area 4 in which a pilot signal for tracking servo is recorded, and a subcode (sub-information) such as a time code is recorded. Area 5 is provided.

The memo information added corresponding to the image signal is recorded in the sub-code area 5, and the memo information read from the sub-code area 5 at the time of reproduction is required. It is designed to be displayed on a monitor or the like.

First, the recording system will be described. A video signal is sent to a video / audio signal recording processing section 7 through a video signal input terminal 6 and converted into a digital signal to which an error correction code is added. It is sent to the magnetic head 10 via the switch circuit 8 and the amplifier 9 and recorded on the magnetic tape 11.

Regarding the audio signal, an external audio input signal input via the audio signal input terminals 12L and 12R, the output of the directional microphone 13 or the output of the directional microphone 13 and the output of the memo recording microphone 14 are selected by the switch circuit 15. It is like this.

That is, only the audio signal output from the directional microphone 13 via the amplifier 16 is recorded, or the narration audio signal output from the memo recording microphone 14 via the amplifier 17 is recorded. The switch circuit 18 can select whether to synthesize and record.

The output signal of the switch circuit 15 is sent to the video / audio signal recording processing section 7, where it is converted into a digital signal to which an error correction code has been added, and thereafter, it passes through a switch circuit 8 and an amplifier 9 to a magnetic head 10. It is sent and recorded on the magnetic tape 11.

The circuit section 19 relating to the voice memo is provided with the switch circuit 1 after the output of the memo recording microphone 14 passes through the amplifier 17.
8 is selected to be sent to the A / D / compression circuit 20 and the compressed signal is sent to the CPU 21.

Reference numeral 22 denotes a subcode data recording section, which is C
A predetermined subcode signal including voice memo information is output to the switch circuit 8 in response to a control command from the PU 21, and the subcode signal is transmitted through the amplifier 9 to the magnetic head 1.
0 and recorded on the magnetic tape 11.

Next, at the time of reproduction, the reproduction output of the magnetic head 10 is sent to the switch circuit 24 via the amplifier 23, where it is separated into video and audio signals and subcode signals, and the former passes through the preprocessing circuit 25. And is sent to the video / audio signal reproduction processing unit 26, and the latter is sent to the subcode data reproduction unit 27.

The reproduced video signal output from the video / audio signal reproduction processing unit 26 is the superimposer 28.
The video signal output terminal 29 outputs the reproduced audio signal to the mixing / selecting unit 30.

The audio signal relating to the voice memo information is decompressed by the CPU 21 and then the D / A converter 3
1 is sent to the mixing / selecting unit 30 where it is combined with the reproduced audio signal output from the video / audio signal reproduction processing unit 26 or one of them is selected, and then the audio signal output terminal 32L , 32R.

The CPU 21 as a control center controls the voice memo information according to commands from the voice memo information recording / reproducing switch 33 (hereinafter referred to as "memo switch") and the input unit 34 (keyboard, mouse, input tablet, etc.). Subcode recording information including subcode recording information 22
Or switch control of the switch circuits 15 and 18 is performed.

When the CPU 21 receives the reproduction information of the subcode from the subcode data reproducing unit 27 and finds that the voice memo information is written, it sends a signal to the superimposer 28 to identify the voice memo information. The index is combined with the playback video signal from the video / audio signal playback processing unit 26 and displayed, and the voice memo content is D / A if necessary.
It is designed to be sent to the converter 31.

Recording and reproducing operations of memo information in the digital video tape recorder 1 are performed as follows.

First, in recording memo information, the recorded magnetic tape is reproduced to find an image for which a memo is to be left, and the memo switch 33 is pressed when the image is reached.

Then, the digital video tape recorder 1 is in a state of waiting for post-recording, and the switch circuit 18 is in a state shown by a solid line in FIG.
When voice memo information is swept from 4, the input voice signal is amplified by the amplifier 17, digitized and compressed by the A / D / compression circuit 20, and sent to the CPU 21.

After that, when the memo switch 33 is pressed again, the recording standby state of the digital video tape recorder 1 is released, and a sub code including an ID code indicating the existence of voice memo information and a memo content code is sub-controlled under the control of the CPU 21. The data is sent to the code data recording unit 22 and recorded in the sub-code area 5 of the recording track 2 over a predetermined number of tracks.

At the time of reproduction, the sub code from the sub code data reproducing section 27 (including the ID code and the code of the memo content)
Is interpreted by the CPU 21.

At this time, the reproduced memo information is not always output as voice, and it is visually confirmed that memo information for the reproduced image exists at the upper left position of the screen 35 as shown in FIG. 3 (a). Is displayed (in this example, the reverse character display of the character "memo" is used as the index).

That is, the CPU 21 determines the ID of the voice memo information.
When the code is recognized, a signal is sent to the super-imposer 28, and the fact that there is memo information is displayed as an index on the screen.

When the user sees this index 36 and knows that the voice memo information is written, and when he wants to see the contents of the memo, he depresses the memo switch 33 to display an image as shown in FIG. 3 (b). You can listen to the contents of the voice memo while watching.

That is, the audio signal of the voice memo, which has been decompressed by the CPU 21 and then passed through the D / A converter 31, is sent to the mixing / selecting section 30, where the reproduction output by the video / audio signal reproduction processing section 26 is outputted. It is synthesized with the audio signal and played back as it is.

If the content of the memo information for the recorded image is already known, a means for instructing not to intentionally display the index 36 may be provided as necessary.

As described above, in the digital video tape recorder 1, the voice memo information can be positively recorded in the sub-code area separately from the recording voice, and the memo information can be reproduced as necessary. There is no inconvenience that the memo information will be reproduced regardless of the user's intention, or that the recorded memo information will be erased when the BGM or the like is recorded by post-recording.

For example, in order to prevent the memo information from being unnecessarily erased at the time of post-recording, it has been necessary to perform a troublesome operation such as once dubbing the voice memo information on a tape recorder and re-inserting it with a mixer. In the digital video tape recorder 1, since the memo information and the recorded voice can be managed separately by using the sub code area as the memo information recording area, the trouble is eliminated and the usability is improved.

[0036]

As is apparent from the above description, according to the video tape recorder with a memo function of the present invention, it is possible to refer to the voice memo information for the recorded image as needed, so that various video-related information can be obtained. Things can be vividly recalled in memory, and there is no inconvenience such that such voice memo information is unnecessarily output.

The above-mentioned embodiment is only one embodiment of the present invention, and the technical scope of the present invention should not be construed narrowly by this embodiment alone. For example, in the above-described embodiment, an example in which the present invention is applied to a digital video tape recorder has been shown, but the present invention is not limited to this and can be applied to an 8 mm video tape recorder. Record it in the area.

[Brief description of drawings]

FIG. 1 is a block diagram showing an outline of a digital video tape recorder according to the present invention.

FIG. 2 is a diagram showing an example of a track format of a digital video tape recorder.

FIG. 3 is an explanatory diagram showing a display example of memo information, (a)
FIG. 6 is a diagram showing a state in which an index display indicating that memo information has been written in a reproduced image is displayed in the upper left part of the screen, and FIG. 6B is a diagram showing a state in which voice memo contents for a still image are output.

[Explanation of symbols]

 1 Video Tape Recorder with Memo Function 2 Recording Track 3 Main Signal Recording Area 5 Sub Information Recording Area 11 Magnetic Tape 19 Audio Input Means 22 Sub Information Recording Means 27 Sub Information Reproducing Means 21, 28, 30, 31 Output Means 33 Designation Means 36 Identification index

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI Technical display location G11B 27/34 P 8224-5D H04N 5/782 C 7916-5C

Claims (2)

[Claims] 1. A video tape recorder with a memo function according to a format having a recording area of sub-information in addition to a recording area of a main signal containing a video signal and / or an audio signal on a recording track of a magnetic tape. A video tape recorder with a memo function, comprising means for recording memo information in a sub information recording area, detecting voice memo information forming part of the sub information during reproduction, and referring to the memo information at any time. 2. A video tape recorder with a memo function according to claim 1, wherein whether to specify recording of voice memo information for a video signal or to refer to memo contents when there is voice memo information for a reproduced image. Designating means for designating whether or not there is a voice memo information, voice input means for voice memo information, information indicating presence / absence of voice memo information and information indicating memo content in accordance with a signal from the designation means and the voice input means, as sub-information. Sub-information recording means for recording in the recording area, sub-information reproducing means for reproducing the sub-information, and an identification index indicating the presence or absence of voice memo information at the time of reproduction are displayed together with the video, and a video is received in response to a command from the designating means. And a means for outputting a voice memo signal to the video tape recorder with a memo function.