JPH05217345A - Magnetic recording and reproducing device - Google Patents

Abstract

PURPOSE:To facilitate the retrieving of audio information recorded in a magnetic tape without handwriting or providing a special recorder. CONSTITUTION:When an audio signal is recorded in the magnetic tape 4, the feature form of the audio signal is detected by a control circuit 5 as the auxiliary information of the audio information, and the auxiliary information is converted into a video signal by an image generator 6 then recorded in the magnetic tape 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic recording / reproducing apparatus applied to a video tape recorder (hereinafter referred to as VTP) or the like.

[0002]

As is well known, in the conventional VTP, a video signal is recorded on a magnetic tape by a video signal recording / reproducing head via a video processing recording circuit, while an audio signal is transmitted via a voice processing recording circuit. Although it is configured to record on a magnetic tape via a recording / reproducing head, the overall configuration has emphasized recording / reproducing of video information.

[0003]

By the way, there are cases where it is desired to know the contents of the audio information recorded on the magnetic tape while the magnetic tape is being stored. In this case, with the above-described conventional configuration, the description of the above content cannot be recorded on the magnetic tape, and thus the title and the like must be handwritten. It is possible to attach a special device to record the above-mentioned recorded contents on the magnetic tape, but in that case, the cost is increased.

The present invention has been made to solve the above problems, and provides a magnetic recording / reproducing apparatus capable of easily searching voice information recorded on a magnetic tape with a relatively simple structure. It is intended to be provided.

[0005]

A magnetic recording / reproducing apparatus according to the present invention includes a control circuit for detecting a characteristic form of an audio signal when the audio signal is recorded on a magnetic tape and outputting it as supplementary information of the audio information. An image generator for converting the incidental information of the audio information into a video signal when recording the audio signal and recording the video signal on a magnetic tape through a video processing recording circuit.

Further, at the time of communication of information communicated using a telephone line, a signal of the information is received for recording on a magnetic tape, and the above-mentioned control is performed for converting the signal of the information into a video signal by an image generator. You may make it provide the interface circuit made to input into a circuit.

[0007]

According to the present invention, when an audio signal is recorded on a magnetic tape, the incidental information of the audio information is converted into a video signal by the image generator and recorded on the magnetic tape, so that the title is not handwritten. Even when the video signal is reproduced, the content of the target audio information can be searched while watching the video, no special recording device is required, and the cost does not increase.

In the case of exchanging information by using a telephone line by a telephone or the like, the interface circuit receives the above information signal and inputs it to the control circuit at the time of communication, so that the above information signal is automatically imaged. Since it is converted into a video signal by the generator and recorded on the magnetic tape, subsequent retrieval can be easily performed.

[0009]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a block diagram of the essential parts showing an embodiment of a magnetic recording / reproducing apparatus according to the present invention.

In FIG. 1, 1 is an audio input terminal to which an audio signal is input, 2 is an audio processing / recording circuit for processing the audio signal, 3 is an output from the audio processing / recording circuit 2, and a magnetic tape 4 is provided.
A recording / reproducing head for recording / reproducing an audio signal.

Reference numeral 5 denotes a microcomputer (hereinafter, referred to as a microcomputer) as a control circuit which detects a characteristic form of the audio signal at the time of recording the audio signal and outputs it as incidental information of the audio information. The image generator 6 is connected, and this image generator 6
The above-mentioned additional information is converted into a video signal. Reference numeral 7 is a video processing and recording circuit for processing the video signal from the image generator 6 and recording it on the magnetic tape 4 via the video signal recording / reproducing head 8. Reference numeral 9 is a key matrix portion constituting an input circuit for the microcomputer 5, and 10 is a key switch for inputting character information such as a title to the image generator 6 via the microcomputer 5. Reference numeral 11 is an external information input terminal for inputting external information to the microcomputer 5.

Next, the operation of the above configuration will be described. The audio signal input to the audio input terminal 1 is processed by the audio processing / recording circuit 2 and recorded on the magnetic tape 4 by the audio signal recording / reproducing head 3. When this audio signal is recorded, a part of the audio signal from the audio processing recording circuit 2 is input to the microcomputer 5. The microcomputer 5 detects the characteristic form of the voice signal, that is, the frequency characteristic, the presence / absence of voice, the strength and spectrum, and the like, and sends it to the image generator 6 as supplementary information of voice information. The image generator 6 converts the additional information signal into a video signal and sends it to the video processing / recording circuit 7. Therefore, after the video signal is processed by the video processing / recording circuit 7, the video signal recording / reproducing head 8 drives the magnetic tape. Recorded in 4. That is, since the incidental information of the audio information is recorded on the magnetic tape 4 as a video signal at the time of recording the audio signal, when the user later wants to know the content of the audio information on the magnetic tape, he / she can watch the video. It is possible to easily search for a target voice, in other words, it is possible to realize it at low cost without the need to attach a special recording device.

When the key switch 10 in the key matrix section 9 is operated to input character information such as a title to the microcomputer 5, the microcomputer 5 causes the image generator 6 to receive the character information and the numerical information of the date and time when the character information was input. Send out. Therefore, the image generator 6 converts the character information such as the title and the numerical information such as the date and time into a video signal and sends the video signal to the video processing and recording circuit 7, so that these can also be recorded on the magnetic tape 4 and later. You can know the title and input date and time when searching. Furthermore, when external information is input to the external information input terminal 11, this can also be recorded on the magnetic tape 4 in the same manner as described above.

FIG. 2 is a block diagram showing another embodiment of the present invention, which is provided with an interface circuit 22 for information using the telephone line 21. Figure 2
In the figure, 23 is an input terminal of the interface circuit 22 to which the telephone line 21 is connected, 24 is an output terminal of the interface circuit 22 to which the telephone 25 is connected, and 26 is a deck section controlled by the microcomputer 5. The interface circuit 22 sends information received by the telephone line 21 and information transmitted from the telephone 25 to the microcomputer 5,
The data is recorded in the same manner as described above.

That is, when information is received by the telephone 25, a signal is input to the telephone 25 through the input terminal 23, the interface circuit 22 and the output terminal 24. At this time, an incoming signal from the interface circuit 22 is input to the microcomputer 5, and the microcomputer 5 sends a control signal to the deck section 26 to start the recording operation. This allows
The incoming call information is recorded on the magnetic tape 4. At the same time,
Since the microcomputer 5 sends the numerical information of the date and time of the incoming call, the incoming call information, and the information such as the sender's telephone number to the image generator 6, the image generator 6 converts these into a video signal, and the magnetic tape 4 as described above. To record. Also, when the telephone 25 makes a call, the call information is recorded on the magnetic tape 4 and is also input from the interface circuit 22 to the microcomputer 5. Therefore, the call information is converted into a video signal and the magnetic tape 4 is input as described above. Recorded in. Therefore, it is possible to search the contents of the incoming and outgoing call information of the telephone set 25 while watching the video.

Further, even when digital information is input from a facsimile, a personal computer or the like via the telephone line 21, it is recorded on the magnetic tape 4 as an audio signal via the interface circuit 22. At the same time, the digital information is sent from the interface circuit 22 to the microcomputer 5, converted into a video signal by the image generator 6, and recorded on the magnetic tape 4.

[0017]

As described above, according to the first aspect of the present invention, when the audio signal is recorded on the magnetic tape, the auxiliary information of the audio information is taken out through the control circuit and converted into the video signal by the image generator. Since the data is converted and recorded on the magnetic tape, it is possible to easily search for the target audio information while watching the image without performing handwriting work or separately providing a special recording device.

According to a second aspect of the present invention, an interface circuit for the telephone line is provided, and incoming / outgoing call information using the telephone line is taken into the microcomputer through the interface circuit and converted into a video signal by the image generator. Since this is done, it is possible to easily retrieve information such as telephone communication information, facsimile and personal computer communication.

[Brief description of drawings]

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

FIG. 2 is a block configuration diagram of a main part showing another embodiment of the present invention.

[Explanation of symbols]

 5 Control Circuit 6 Image Generator 7 Video Processing Recording Circuit 21 Telephone Line 22 Interface Circuit

Claims (2)

[Claims] 1. A control circuit for detecting a characteristic form of an audio signal when the audio signal is recorded on a magnetic tape and outputting it as incidental information of the audio information, and a supplementary information of the audio information when the audio signal is recorded. A magnetic recording / reproducing apparatus comprising: an image generator that converts the signal into a signal and records the signal on a magnetic tape via a video processing recording circuit. 2. The above control for receiving a signal of the information for recording on a magnetic tape at the time of communication of information communicated using a telephone line, and converting the signal of the information into a video signal by an image generator. The magnetic recording / reproducing apparatus according to claim 1, further comprising an interface circuit for inputting to the circuit.