JP2002271726A - Magnetic recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a magnetic recording and reproducing device the function and application of which as audio title and BGM or the like can be enhanced by applying after-recording to a magnetic tape as well as reproduction of voice and music recorded on a memory card. SOLUTION: An output audio signal changeover section 5 receives a memory card audio signal S3 outputted from a memory card reproduction section 3 and an operation section 4 selects a mode to output an output audio signal S5 to a magnetic tape recording and reproducing section 6 thereby applying after-recording of audio information of the memory card to the magnetic tape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic recording capable of reproducing an audio signal recorded on a memory card and performing after-recording (hereinafter, referred to as after-recording) on a video signal recorded on a magnetic tape. It relates to a playback device.

[0002]

2. Description of the Related Art In recent years, as the number of magnetic recording / reproducing apparatuses having a recording / reproducing function of a memory card has increased, recording and reproducing of video signals and audio signals between a memory card and a magnetic tape have been performed. It is becoming.

Hereinafter, a conventional magnetic recording / reproducing apparatus will be described. FIG. 2 is a block diagram showing a configuration of a conventional magnetic recording / reproducing apparatus. In FIG. 2, reference numeral 1 denotes a microphone input unit for inputting an audio signal, and 2 denotes a line input unit for inputting an audio signal from another device using a cable. Reference numeral 3 denotes an operation unit for selecting an input audio signal, which is constituted by a switch or a menu by an on-screen display.
Reference numeral 4 denotes an output audio signal switching unit that switches an audio signal input from the microphone input unit 1 or the line input unit 2 according to the audio signal selected by the operation unit 3 and outputs the selected signal.
Reference numeral 5 denotes a memory card audio reproducing unit that reproduces audio information recorded on the memory card. Reference numeral 6 denotes a magnetic tape for recording video signals and audio signals. Reference numeral 7 denotes a magnetic tape recording / reproducing unit that reproduces a video signal and an audio signal recorded on the magnetic tape 6, and ducks the audio signal output from the output audio signal switching unit 4 onto the magnetic recording tape 6. Reference numeral 8 denotes an audio output unit that outputs an audio signal recorded on the magnetic tape 6 or an audio signal reproduced from the magnetic tape 6.

A signal S1 is a microphone audio signal input from the microphone input unit 1, and a signal S2 is a line input unit 2
This is the line audio signal input from. The signal S3 is selection information of the input audio signal selected by the operation unit 3. Signal S
Reference numeral 4 denotes an output audio signal of the selected input audio signal, which is the microphone audio signal S1 or the line audio signal S2. The signal S5 is an after-recording audio signal for recording the output audio signal S4 on the magnetic tape 6, and the signal S6 is a magnetic tape reproduction signal for reproducing a video signal and an audio signal recorded on the magnetic tape 6. The signal S7 is a magnetic tape recording / reproducing audio signal recorded or reproduced on the magnetic tape 6. Signal S
Reference numeral 8 denotes a memory card audio signal reproduced by the memory card audio reproducing unit 5.

The operation of the conventional magnetic recording / reproducing apparatus configured as described above will be described below.

First, a microphone audio signal S1 input from the microphone input unit 1 and a line audio signal S2 input from the line input unit 2 are input to the output audio signal switching unit 4. The user selects an audio signal to be dubbed by the operation unit 3.

The selection information S3 output from the operation unit 3 is input to an output audio signal switching unit 4, which switches the output of the microphone audio signal S1 or the line audio signal S2 and outputs an output audio signal S4.

A magnetic tape recording / reproducing section 7 reproduces a magnetic tape reproduction signal S6 recorded on the magnetic tape 6, and post-records the input output audio signal S4 as a post-recording audio signal S5 on the magnetic tape 6, and outputs a sound. An after-recording audio signal S5 or a magnetic tape reproduction signal S6 is output to the unit 8.

The memory card audio reproduction unit 5 reproduces the memory card audio signal S8 in a mode different from the recording and reproduction on the magnetic tape, and outputs it to the audio output unit 8.

[0010]

However, in the above-mentioned conventional configuration, the memory card audio signal S8 reproduced by the memory card audio reproducing section 5 is output only to the audio output section 8 and can be post-recorded on the magnetic tape 6. The audio signal is a microphone audio signal S1 or a line audio signal S2
Therefore, there is a problem that the memory card audio signal S8 cannot be post-recorded on the magnetic tape 6.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a magnetic recording / reproducing apparatus which can post-record an audio signal recorded on a memory card onto a magnetic tape.

[0012]

In order to achieve this object, a magnetic recording / reproducing apparatus according to the present invention is a magnetic recording / reproducing apparatus capable of dubbing an audio signal on at least a recording medium on which a video signal is recorded, and Audio input means for inputting more audio signals, reproduction means for reproducing the audio signals recorded on the storage medium, selection means for selecting one of the audio signals from the audio input means and the reproduction means, Recording and reproducing means for dubbing the audio signal selectively output by the selecting means onto the recording medium.

Thus, it is possible to provide a magnetic recording / reproducing apparatus capable of dubbing an audio signal recorded on a memory card onto a magnetic tape.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claims 1 and 2 of the present invention is a magnetic recording / reproducing apparatus capable of post-recording an audio signal on at least a recording medium on which a video signal is recorded. Audio input means for inputting, reproduction means for reproducing an audio signal recorded on a storage medium, selection means capable of selecting one of the audio input means and the audio signal from the reproduction means, and selection by the selection means Recording / reproducing means for post-recording the output audio signal on the recording medium, wherein the audio signal reproduced from the audio information recorded on the memory card can be post-recorded on a magnetic tape, so that the memory card Has the effect that the voice information can be used for a voice title or BGM.

FIG. 1 shows an embodiment of the present invention.
This will be described with reference to FIG.

(Embodiment 1) FIG. 1 is a block diagram showing a configuration of a magnetic recording / reproducing apparatus according to Embodiment 1 of the present invention.

In FIG. 1, reference numeral 1 denotes a microphone input unit for collecting surrounding sounds and inputting voice, and 2 denotes a line input unit for inputting voice or music from another device, which is constituted by an input terminal and an audio signal processing circuit. Is done. Reference numeral 3 denotes a memory card audio reproducing unit which is a reproducing means for reproducing audio and music recorded on a memory card (not shown) as a storage medium, and is constituted by a memory card, a memory card slot and a memory card reproducing circuit. .

The memory card is composed of a writable / readable semiconductor memory. For example, a multimedia card or an SD card can be used. In particular, the SD card has a voice in SD voice format and an AAC (Advanced) in SD audio format. Audio Codec) and MP3 (MP
EG1 Audio layer 3) Plays back the recorded codec music. In addition, by storing a plurality of voices and music in the memory card, an arbitrary one can be selected from the plurality of voices and music at the time of post-recording.

Reference numeral 4 denotes an operation unit for selecting an input audio signal to be dubbed, and is constituted by a switch or a menu by an on-screen display. A selection unit 5 receives audio signals from the microphone input unit 1, the line input unit 2, and the memory card audio reproduction unit 3, selects an input audio signal based on information selected by the operation unit 3, and outputs an audio signal. In the output audio signal switching section, there is an analog switch circuit for audio signal switching. 7 is a video signal and 2
This is a magnetic tape as a recording medium capable of recording two audio signals, in which an audio signal accompanying a video signal is recorded on a first track, and an after-recording audio signal can be recorded on a second track. Reference numeral 6 denotes a magnetic tape recording / reproducing unit which is a recording / reproducing means for reproducing a video signal and an audio signal of the magnetic tape 7 and dubbing the audio signal output from the output audio signal switching unit onto the magnetic tape 7. Reference numeral 8 denotes an audio output unit that outputs an audio signal from the magnetic tape 7 reproduced by the magnetic tape recording / reproducing unit 6, and includes a speaker, an audio output terminal capable of outputting an audio signal to an external device, and the like.

The signal S1 is a microphone audio signal input from the microphone input unit 1, and the signal S2 is a line input unit 2
This is the line audio signal input from. The signal S3 is a memory card audio signal reproduced by the memory card audio reproducing unit 3. The signal S4 is selection information of the input audio signal selected by the operation unit 4. The signal S5 is an output audio signal of the selected input audio signal, and is the microphone audio signal S1, the line audio signal S2, or the memory card audio signal S3. The signal S6 is an after-recording audio signal for recording the output audio signal S5 on the magnetic tape 7, and the signal S7 is a magnetic tape reproduction signal for reproducing a video signal and an audio signal recorded on the magnetic tape 7. The signal S8 is a magnetic tape recording / reproducing audio signal recorded or reproduced on the magnetic tape 7.

The operation of the magnetic recording / reproducing apparatus of the present embodiment configured as described above will be described with reference to FIG.

When this apparatus is mounted on a video camera, during normal shooting, the video signal picked up by the image pick-up means is subjected to various signal processings and then processed by the magnetic tape recording / reproducing unit 6.
(Details are omitted). Ambient sound is picked up by the microphone input unit 1 and input to the magnetic tape recording / reproducing unit 6 via the output audio signal switching unit 5.
The magnetic tape recording / reproducing unit 6 records the input video signal and audio signal on the magnetic tape 7.

When the magnetic tape 7 is reproduced, the video signal and the audio signal recorded on the magnetic tape 7 are reproduced by the magnetic tape recording / reproducing section 6, and the video signal is displayed on display means (not shown). ), The audio signal is input to the audio output unit 8, and the user can hear the audio through a speaker or the like.

Next, audio dubbing of an audio signal using a memory card will be described. Note that music signals and the like are recorded in the memory card in advance.

First, the magnetic tape recording / reproducing section 6 is set to reproduction, and the magnetic tape reproduction signal S7 which is a video signal and an audio signal recorded on the magnetic tape 7 is reproduced. The user
The magnetic tape 7 is reproduced while checking the image displayed on the display means (not shown) or the like, and the magnetic tape 7 is temporarily stopped at the place where the dubbing is to be performed, so that the dubbing is paused. When the post-recording pause occurs, the output audio signal switching unit 5 can enter the microphone audio signal S1 from the microphone input unit 1, the line audio signal S2 from the line input unit 2, and the memory card audio signal S3 from the memory card audio reproduction unit 3. .

Next, when the user selects the memory card input unit 3, which is the audio signal to be dubbed, using the operation unit 4, the output audio signal switching unit 5 outputs the memory card audio signal S3 as the output audio signal S5. . The magnetic tape recording / reproducing unit 6 outputs the input output audio signal S5 to the audio output unit 8. The user listens to the audio signal output from the audio output unit 8 and selects an audio signal to be dubbed. When the audio signal to be dubbed is determined, the magnetic tape recording / reproducing unit 6 is set to a recording state (dubbing), so that the dubbing audio signal S7, which is the memory card audio signal S3, can be recorded on the magnetic tape 7.

As described above, according to the present embodiment, the memory card audio signal S3 reproduced by the memory card audio reproducing unit 3 is input to the output audio signal switching unit 5, and the operation unit 4 selects the after-recording input audio signal. Is provided, the memory card audio signal S3 can be post-recorded on the magnetic tape 7.

[0028]

As described above, according to the present invention, the sound and music recorded on the memory card can be dubbed on the magnetic tape, and the excellent use of the functions such as the audio title and BGM is improved. can get.

[Brief description of the drawings]

FIG. 1 is a block diagram of a magnetic recording and reproducing device according to a first embodiment of the present invention.

FIG. 2 is a block diagram of a conventional magnetic recording / reproducing apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Microphone input part 2 Line input part 3 Memory card sound reproduction part 4 Operation part 5 Output sound signal switching part 6 Magnetic tape recording and reproduction part 7 Magnetic tape

Claims (2)

[Claims] 1. A magnetic recording / reproducing apparatus capable of dubbing an audio signal on at least a recording medium on which a video signal is recorded, comprising: an audio input unit for externally inputting an audio signal; Reproducing means for reproducing, selecting means for selecting one of the audio signals from the audio input means and the reproducing means, and recording and reproducing means for post-recording the audio signal selectively output by the selecting means on the recording medium; A magnetic recording and reproducing device comprising: 2. The apparatus according to claim 1, wherein the selection unit selects one of an audio signal input from a microphone, an audio signal input from a terminal connected to another device via a line, and an audio signal reproduced from a storage medium. The magnetic recording / reproducing apparatus according to claim 1.