JPH05182413A - Editing device - Google Patents

Abstract

PURPOSE:To reduce the scale of a system and a power consumption by making a processor section as a combined processor of a reproducing deck and a record ing deck. CONSTITUTION:The signals reproduced by a reproducing deck 1 are inputted to a processor section 3 through an input terminal 4, processed in the section 3 and again inputted to an REC side of the processor section through terminals 6 and 7, and having performed processes such as time axis transformation and interleaving, the data are outputted from an output terminal 5 and inputted to a recording deck 2. Thus, by using the processor section as a combined processor for the recording and reproducing decks, the system scale of an editing device is reduced and power consumption is also reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a two-body type VTR editing apparatus comprising a tape transport section and a processor section.

[0002]

2. Description of the Related Art In recent years, due to advances in semiconductor processes and packaging technology, VTRs are becoming smaller and lighter. However, in a digital VTR, a high-definition VTR, etc., a two-body type VTR composed of a tape transport section and a processor section is known because of complicated signal processing and requiring an enormous memory.

An editing apparatus using a conventional two-body type VTR will be described below. FIG. 4 shows a block diagram of a conventional editing apparatus. In FIG. 4, 31 is a reproduction deck which is a tape transport section, 32 is a processor section, 33 is a recording deck which is a tape transport section,
34 is a processor unit, 35 is an internal input terminal of the processor unit 32 unit, 36 is an internal output terminal of the processor unit 34, 3
Reference numeral 7 is an external output terminal of the processor unit 32, and 38 is an external input terminal of the processor unit 34.

The operation of the editing apparatus configured as described above will be described below. First, the signal reproduced by the reproduction deck 31 is input to the internal input terminal 35 of the processor section 32 through the output terminal of the reproduction deck 31. The signal input to the processor unit 32 is subjected to signal processing such as interleaving, error code correction, and time axis processing,
It is output from the external output terminal 37. The signal output from the external output terminal 37 of the processor unit 32 is the processor unit 3
4 is input to the external input terminal 38 of FIG. 4 and subjected to signal processing such as interleaving, encoding, and time base processing, and the internal output terminal 3
It is output from 6. Internal output terminal 3 of the processor unit 34
The signal output from 6 is input to the recording deck 33 and recorded.

[0005]

However, in the above-mentioned conventional configuration, a total of 4 recording decks and their processor sections, and 4 reproducing decks and their processor sections are used to edit a tape.
Since the individual parts are required, the system has a large scale and power consumption is large.

The present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide an editing apparatus with a relatively small system and low power consumption.

[0007]

In order to achieve this object, an editing apparatus of the present invention has one reproduction deck, one recording deck, and one processor, and a signal reproduced by the reproduction deck. Is input to the internal input terminal of the processor, the external input / output of the processor is connected, and the internal output of the processor is input to the recording deck for recording.

In addition, one reproducing deck, one processor and a distributor for distributing the external output signals of the processor to N are provided, and N recording decks for inputting N signals of the distributor output are provided. Input and dubbing N rolls at the same time.

Further, it has N reproducing decks, a switcher for switching the output of the N reproducing decks, one processor having the switcher output as an internal input, and a recording deck having an external output of the processor as an input. ..

[0010]

According to the present invention, with the above-described structure, the system unit of the editing apparatus can be reduced and the power consumption can be reduced by using the processor unit as the processor for both the reproduction deck and the recording deck.

Further, if the internal output signal of the processor is distributed to N pieces by the distributor and dubbed N times by the N recording decks, the efficiency is further improved.

Furthermore, when N playback deck outputs are switched by the switch and input to the processor, a relatively small-scale and low power consumption editing apparatus is possible.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram of an editing apparatus according to the first embodiment of the present invention. In FIG. 1, reference numeral 1 is a reproduction deck which is a first tape transport section,
2 is a recording deck which is the second tape transport section,
3 is a processor unit, 4 is an internal input terminal for interfacing with the deck, 5 is an internal output terminal for interfacing with the deck, 6 is an external output terminal, and 7 is an external input terminal.

The operation of the editing apparatus of this embodiment having the above-described structure will be described below. The signal reproduced by the reproduction deck 1 is input from the internal input terminal 4 of the processor unit 3, processed in the processor unit 3 such as time axis correction and interleaved, and output from the external output terminal 6. The signal output from the external output terminal 6 is input again to the processor unit 3 via the external input terminal 7 and is subjected to processing such as time axis conversion and interleaving, and the internal output terminal 5
Will be output. The signal output from the internal output terminal 5 is input to the recording deck 2 and recorded.

As described above, according to this embodiment, by using the processor section for both the recording deck and the reproducing deck, the editing space and the power consumption can be reduced.

FIG. 2 is a block diagram of a dubbing apparatus showing a second embodiment of the present invention. In the figure, 1 is a reproduction deck which is a first tape transport section, 3 is a processor section, 4 is an internal signal input terminal for interfacing with the deck, 5 is an internal signal output terminal for interfacing with the deck, and 6 Is an external signal output terminal, 7 is an external signal input terminal, 8 is a distributor, 21, 22, ..., 2N (N
Is a second tape transport and N recording decks.

The operation of the editing apparatus configured as described above will be described below. The signal reproduced by the reproduction deck 1 is input to the processor unit 3 from the internal input terminal 4 and, after being subjected to processing such as time axis correction and interleaving,
It is output from the external output terminal 6. The signal output from the external output terminal 6 is input again to the processor unit 3 via the external input terminal 7, is subjected to processing such as time axis processing and interleaving, and is then output from the internal output terminal 5. The signal output from the internal output terminal 5 of the processor unit 3 is input to the distributor 8 and distributed to N lines by the distributor 8. The N signals output from the distributor 8 are input to and recorded by the N recording decks 21 to 2N.

As described above, according to the present embodiment, a distributor is provided at the internal signal output of the processor section of the first embodiment, the signal is divided into N, and the signals are input to N recording decks. N-roll tape dubbing is possible, and the effect of reducing the dubbing space and power consumption is greater than in the first embodiment.

FIG. 3 is a block diagram of an editing apparatus showing a third embodiment of the present invention. In the figure, 11, 12, ...
...., 1N is the first tape transport unit, which is N playback decks, 9 is a switcher for switching the output of N playback decks, 3 is a processor unit, 4 is an internal input terminal, 5
Is an internal output terminal, 6 is an external output terminal, 7 is an external input terminal,
Reference numeral 2 is a recording deck which is a second tape transport section.

The operation of the editing apparatus configured as described above will be described below. N playback decks 11-
The N kinds of reproduction signals reproduced by 1N are input to the switch 5 and appropriately switched and output as one signal. The output signal of the switch 5 is the internal input terminal 4 of the processor unit 3.
Is input from the external output terminal 6 after being processed by the processor unit 3 such as time axis correction and interleaving.
The signal output from the external output terminal 6 is input to the processor unit 3 again via the external input terminal 7, undergoes processing such as time axis conversion and interleaving, and is output from the internal output terminal 5. The signal output from the internal output terminal 5 is input to the recording deck 2 and recorded.

As described above, according to this embodiment, the first tape transport section of the first embodiment is composed of the N reproducing decks and the switching device to construct a simple editing system. .. In addition, the processor section of N playback decks
Since it is also used as a stand, it has a great effect on space saving and low power consumption.

Needless to say, in this embodiment, it is better to transmit the reference signal from the processor section to each tape transport section for synchronization.

[0024]

As described above, according to the present invention, in the two-body type VTR comprising the tape transport section and the processor section, the output signal of the reproducing deck is inputted to the processor section, and the signal-processed output signal is inputted to the processor section again. By inputting, processing the signal, and inputting it to the recording deck, the processor section can be used both as the reproducing deck and the recording deck, thus saving space and reducing power consumption.

Further, if the output of the processor section is connected in parallel to a plurality of recording decks by using a distributor, more space saving can be realized as a dubbing device.

Further, by appropriately switching the outputs of a plurality of reproduction decks by using a switch, it is possible to realize an editing apparatus with reduced space and low power consumption.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of an editing apparatus according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of an editing apparatus according to a second embodiment of the present invention.

FIG. 3 is a block diagram showing a configuration of an editing apparatus according to a third embodiment of the present invention.

FIG. 4 is a block diagram showing the configuration of a conventional editing device.

[Explanation of symbols]

 1, 11 to 1N Playback deck 2, 21 to 2N Recording deck 3 Processor section 4 Internal input terminal 5 Internal output terminal 6 External output terminal 7 External input terminal 8 Distributor 9 Switching device

Claims (3)

[Claims] 1. A tape transport section comprising a mechanism, a servo, a sys-con, an RF processing circuit, a modulation / demodulation circuit and the like, and a video and audio signal processing, each having two input terminals and two output terminals, respectively. In the two-body type VTR, which is composed of the processor unit having the external input terminal and the external output terminal as a set in addition to the internal input terminal and the internal output terminal for interfacing with the tape transport section of the And an external output signal of the processor unit by connecting the external output terminal and the external input terminal of the processor unit with the output signal of the first tape transport unit as the internal input signal of the processor unit. Is an external input signal of the processor section, and an internal output signal of the processor section is an input signal of the second tape transport section. Editing apparatus for recording a signal reproduced by the first tape transport unit in the second tape transport unit. 2. The two-body VTR according to claim 1,
One first tape transport unit for reproducing a magnetically recorded signal, and an output signal of the first tape transport unit as an internal input signal and an external output signal as an external input signal 1
Number of processor units and N internal output signals of the processor units (N is a natural number)
And a second tape transport unit for receiving N output signals of the distributor output, and a signal reproduced by the first tape transport unit. An editing device that simultaneously records with N second tape transport units. 3. The two-body type VTR according to claim 1,
The N first tape transport units for reproducing the magnetically recorded signals, and the N output signals of the N first tape transport units are input to generate one signal from the N signals. A switcher to be selected, one processor unit that uses the output signal of the switcher as an internal input signal and an external output signal as an external input signal, and one processor unit that receives an internal output signal of the processor unit as an input. An editing apparatus configured by two tape transport units, wherein N output signals reproduced by the N first tape transport units are switched and recorded by the second tape transport unit.