JPH0877763A - Control method for audio-video system - Google Patents

Abstract

PURPOSE: To facilitate operations of various kinds of broadcasting mode settings by recognizing types and operations of each AV equipment forming a system and controlling them with a controller while setting addresses of them. CONSTITUTION: The controller 14 of a television receiver 1 becoming an AV center and controllers 23, 33, 43, 53, 63, and 72 of respective AV equipments 2 to 7 are bi-directionally connected with buss 9. The controller 14 recognizes where respective controllers are, what kinds of operations are possible and how signal paths are made by using addresses. Moreover, the controller 14 controls mode settings such as stereo broadcasting, bilingual broadcasting, dubbing and operations of each equipment 2 to 7. The controller 14 forms signal paths by transmitting addresses to AV equipments 2 to 7 becoming sources and to AV equipments 2 to 7 becoming destinations based on recognized contents to set respective modes. Thus, mode setting is easily performed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control method for an audio / video system including a plurality of AV devices.

[0002]

2. Description of the Related Art An AV system is constructed by combining a plurality of AV devices such as a television receiver, a VTR, a video disc player and a satellite broadcast tuner. By constructing the AV system in this way, many processes such as editing and dubbing between AV devices, displaying a satellite broadcast reception screen on a television receiver, recording it on a VTR, etc. I can do it.

[0003]

However, many AVs are required.
The combination of devices complicates the operation for performing these processes. For example, when an AV system is constructed, an AV device compatible with bilingual broadcasting or stereo broadcasting,
AV devices that do not support bilingual broadcasting or stereo broadcasting coexist in the same system and are combined. Therefore, it is possible to grasp which AV device in the AV system is compatible with bilingual broadcasting or stereo broadcasting and which device is not compatible, and set the stereo broadcasting or bilingual broadcasting mode according to the signal path. If you do not do this, you will not be able to fully enjoy bilingual or stereo broadcasts.

Therefore, an object of the present invention is to make it possible to fully enjoy bilingual broadcasting or stereo broadcasting with a simple operation even when there is a device that supports bilingual broadcasting or stereo broadcasting in the AV system. An object of the present invention is to provide a control method of an audio / video system that can be performed.

[0005]

The present invention provides a control method of an audio-video system comprising an audio-video center and a plurality of audio-video devices connected to the audio-video center via a control bus.
Determine whether or not the audio / video device configuring the audio / video system supports bilingual broadcasting or stereo broadcasting, and transmit a signal from one audio / video device configuring the audio / video system to another audio / video device At this time, it is determined whether the audio / video device in the signal path supports bilingual broadcasting or stereo broadcasting, and if all the audio / video devices in the signal path support bilingual broadcasting or stereo broadcasting. A method for controlling an audio / video system in which a bilingual or stereo signal is transmitted in a signal path and an audio / video device at an output stage sets a bilingual broadcasting or stereo broadcasting mode.

According to the present invention, in an audio-video system control method comprising an audio-video center and a plurality of audio-video devices connected to the audio-video center via a control bus, one audio-video system constitutes one audio-video system. When dubbing from the source audio-video device to the destination audio-video device with the device as the source side and the other one as the destination side, the audio-video device in the dubbing route broadcasts in two languages. Or, determine whether or not it supports stereo broadcasting, and if some of the audio / video devices in the dubbing path do not support bilingual broadcasting or stereo broadcasting, set it to another dubbing path and All of the inside audio-video devices are two A method of controlling an audio video system according to claim 1, wherein you to search for dubbing path to correspond to the word broadcast or a stereo broadcast.

[0007]

With the system voice control function, main and sub voices can be easily switched over the entire system, and bilingual / stereo can be optimally set during dubbing.

[0008]

【Example】

a. Overall Configuration of System Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 and 2 are examples of an AV system to which the present invention is applied. In this example, the television receiver 1
And 4 VTRs 2-5 and video disc player 6
And the satellite broadcast tuner 7 constitute an AV system.

As shown in FIG. 2, the television receiver 1 includes a tuner circuit 11, a video signal processing circuit 12, and
A CRT display 13 and a controller 14 for performing operation management are provided. A reception signal is supplied to the television receiver 1 from the antenna, and a signal is input / output through the input / output selector 16. The input / output selector 16 can be controlled by the controller 14. Then, power is supplied from the power supply circuit 17. The power supply circuit 17 can be controlled by the controller 14.

The first VTR 2 includes a tuner circuit 21 and
A recording / reproducing circuit 22 for recording / reproducing a video signal is provided, and a controller 23 for operation management is provided. A reception signal is supplied to the VTR 2 from the antenna, and a signal is input / output via the input / output selector 24. The input / output selector 24 is the controller 23.
Can be controlled by. Then, power is supplied from the power supply circuit 25. The power supply circuit 25 is the controller 2
It is controllable by 3.

Similarly, the second VTR 3 is provided with a tuner circuit 31 and a recording / reproducing circuit 32 for recording / reproducing a video signal, and a controller 33 for operation management, via an input / output selector 34. Signals are input and output, and the power supply circuit 35 can be controlled by the controller 33.

The third VTR 4 includes a tuner circuit 41 and
A recording / reproducing circuit 42 for recording / reproducing a video signal is provided, and a controller 43 for performing operation management is provided. Signals are input / output through an input / output selector 44, and the power supply circuit 45 can be controlled by the controller 43. Has been done.

The fourth VTR 5 includes a tuner circuit 51,
A recording / reproducing circuit 52 for recording / reproducing a video signal is provided, a controller 53 for operation management is provided, a signal is input / output through an input / output selector 54, and the power supply circuit 45 can be controlled by the controller 43. Has been done.

The video disc player 6 is provided with a reproduction circuit 61 for demodulating a reproduction signal from the pickup 62 and a controller 63 for performing operation management. The reproduction signal of the video disc player 6 is output via the output selector 64. The output selector 64 is the controller 63
Can be controlled by. Then, power is supplied from the power supply circuit 65. The power supply circuit 65 is the controller 6
It is controllable by 3.

The satellite broadcast tuner 7 is provided with a satellite broadcast tuner circuit 71 and a controller 72 for performing operation management. The reproduction signal of the satellite broadcast tuner 7 is output via the output selector 73. The output selector 73 can be controlled by the controller 72. Then, power is supplied from the power supply circuit 74. The power supply circuit 74 can be controlled by the controller 72.

In an AV system to which the present invention can be applied,
The AV device of the child device can be connected to the AV center, and the connection of the AV device up to the grandchild device is permitted.

That is, as shown in FIGS. 1 and 2, the television receiver 1 serves as an AV center. This AV
With respect to the television receiver 1 serving as the center, the fourth VTR 5, the first VTR 2, and the second VTR 3 are slave units A.
It is connected as a V device. The video disc player 6 is further connected as a grandchild device to the VTR 5 of the child device. Further, the satellite tuner 7 and the third VTR 4 are connected to the child device VTR 2 as the AV device of the grandchild device.

As shown in FIG. 2, the controller 14 of the television receiver 1 of the AV center and each AV device 2
7 controllers 23, 33, 43, 53, 63, 72
And 9 are bidirectionally connected by a bus 9. AV
Controller 1 of the television receiver 1 serving as the center
For example, as shown below, 4 uses the address to recognize what kind of AV equipment is where and where each AV equipment can operate.

------------------------- Address --- --- ----- Address Device name Two countries compatible satellite broadcast reception --- −−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−− ADR-01 Television receiver Yes No ADR-11 4th VTR No No No ADR -12 1st VTR Yes No ADR-13 2nd VTR Yes Yes ADR-21 VDP Yes * ADR-22 Satellite Broadcast Tuner Yes Yes ADR-23 3rd VTR Yes No ------------------------ −−−−−−−−−−−−−−−−−−−

When performing dubbing or editing, the input / output switching command is transferred to the source AV device and the destination AV device based on the address at the AV center. Based on this input / output switching command, each input / output selector 16, 24, 34, 4
4, 54, 64, 73 are switched and become the source A
A signal path between the V device and the destination AV device is set. Using this signal path, a signal is transferred from the source AV device to the destination AV device.

B. System audio control function This system checks whether each AV device supports bilingual / stereo, and the main system and sub audio can be easily switched over as a whole system. It has a function that allows the stereo to be set optimally.

That is, as shown in the above table, AV
The center knows whether each AV device constituting the system supports bilingual / stereo.

When outputting a sound signal from a television receiver or an audio amplifier, as shown in FIG.
It is determined whether or not there is an AV device in the signal path that does not support bilingual / stereo (monaural device) (step ST1). If all the AV devices in the signal path support bilingual / stereo, all the AV devices in the signal path except the output AV device are set to the bilingual / stereo mode (step ST2). The bilingual / stereo mode is (main audio + sub audio) for bilingual broadcasting and (L + R) for stereo broadcasting. If it is a bilingual broadcast, it waits for the input of main audio, sub audio, or (main audio + sub audio) (step ST3), and if there is a user input, the video output stage (television image reception) in the signal path. Mode) of the AV device (step ST4).

For example, as shown in FIG. 4, the address AD
It is assumed that all AV machines other than the fourth VTR in R-11 are bilingual / stereo compatible. In this case, the output of the satellite tuner 7 is changed to the first V of the address ADR-12.
When the signal path is set so as to be displayed on the television receiver 1 via the TR2, all the AV equipments in the signal path become bilingual / stereo compatible. When such a route is set, the AV center (in this case, the television receiver 1) outputs all the AV devices (satellite tuner 7, first VTR 2) in the route except the AV device at the video output stage. Set to Kanji / stereo mode. This way,
Only the AV device (television receiver 1) in the video output stage can switch between the main audio, the sub audio, and the (main audio + sub audio).

In FIG. 3, in step ST1, if there is one that does not support bilingual / stereo in the signal path, the AV device immediately before the AV device that does not support bilingual / stereo is monaural. Alternatively, the main voice mode is set (step ST5).

For example, as shown in FIG.
When the reproduction signal of the video disc player 6 in R-21 is set in a signal path such that it is displayed on the television receiver 1 via the fourth VTR 5 of the address ADR11, among the AV devices in the signal path, The fourth VTR 5 does not support bilingual / stereo. In this case, A in front of the AV device that does not support bilingual / stereo
The V device (video disc player 6) is set to the monaural or main audio mode.

Next, the control during dubbing will be described.
FIG. 6 illustrates control during dubbing. At the time of dubbing, it is determined whether or not there is an AV device on the dubbing path that does not support bilingual / stereo (step ST11). A in the dubbing path
If all the V devices support bilingual / stereo, all the AV devices in the signal path except the AV device at the video output stage are set to bilingual / stereo mode (step ST1).
2) Dubbing is performed from the AV device on the source side to the AV device on the destination side (step ST13). At this time, AV device on the source side and A on the destination side
The V device and the AV device on the dubbing path perform recording / reproduction in two languages / stereo. Then, in the case of bilingual broadcasting, the input of main audio, sub audio, or (main audio + sub audio) is waited for (step ST14), and if there is a user input, the AV device of the video output stage in the signal path The mode is set according to the user input (step ST15). In step ST11, if there is one that does not support bilingual / stereo in the dubbing path, set the AV device immediately before the AV device that does not support bilingual / stereo to monaural or main audio mode. (Step ST16), monaural dubbing is performed (step ST17).

By performing such control, if the AV device on the source side, the AV device on the destination side, and the AV device on the dubbing path support bilingual / stereo, bilingual / stereo Dubbing can be done in stereo. That is, when audio is reproduced in stereo from the AV device on the source side, it is recorded in stereo on the AV device on the destination side, and when audio is reproduced as (main audio + sub audio) from the AV device on the source side, It is recorded as (main audio + sub audio) on the destination AV device.

C. Control when a monaural device is included in the Davinci path When dubbing from the AV device on the source side to the AV device on the destination side, the AV devices on the source side and the destination side support bilingual / stereo. However, there may be an AV device that does not support bilingual / stereo in the dubbing path. In such a case, dubbing cannot be performed in two languages / stereo.

Therefore, if there is an AV device that does not support bilingual / stereo in the dubbing path, A
The V-Center determines whether there is another dubbing path that can be dubbed in bilingual / stereo, and if there is another dubbing path that can be dubbed in bilingual / stereo,
It has the function of changing the dubbing path to that path.

For example, assume that there is an AV system as shown in FIG. In FIG. 7, 101 is an AV center and 1
Reference numerals 02 to 106 denote AV devices, the AV device 102 does not support bilingual / stereo, and the other AV devices support bilingual / stereo. AV equipment 105
When dubbing from the (source-side VTR) to the AV equipment 104 (destination-side VTR), the first dubbing path is as shown in FIG.
It is assumed that the device 102, the AV center 101, and the AV device 104 are used. In this case, since the AV device 102 that does not support bilingual / stereo is included in the dubbing path, dubbing cannot be performed in bilingual / stereo.

In such a case, as shown in FIG.
When a dubbing path that goes from the AV device 105 to the AV device 104 via the AV device 106 can be set, the dubbing path is changed to such a dubbing path. By doing so, since all the AV devices in the dubbing path support bilingual / stereo, dubbing in bilingual / stereo becomes possible.

[0033]

According to the present invention, by the system voice control function, the main and sub voices can be easily switched over the entire system, and bilingual / stereo can be optimally set at the time of dubbing.

[Brief description of drawings]

FIG. 1 is a perspective view showing an outline of an AV system to which the present invention is applied.

FIG. 2 is a block diagram showing an example of an AV system to which the present invention is applied.

FIG. 3 is a flowchart used to describe an embodiment of the present invention.

FIG. 4 is a block diagram used to describe an embodiment of the present invention.

FIG. 5 is a block diagram used to describe an embodiment of the present invention.

FIG. 6 is a flowchart used to describe an embodiment of the present invention.

FIG. 7 is a block diagram used to describe an embodiment of the present invention.

FIG. 8 is a block diagram used to describe an embodiment of the present invention.

[Explanation of symbols]

 1 Television receiver 2-5 VTR 6 Video disc player 7 Satellite broadcasting tuner

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification number Reference number within the agency FI Technical indication location H04N 5/7826 5/765 9463-5D G11B 27/02 C (72) Inventor Noriko Odabe Shinagawa, Tokyo 6-735 Kita-Shinagawa-ku, Sony Corporation (72) Inventor Makoto Sato 6-7-35 Kita-Shinagawa, Shinagawa-ku, Tokyo Inside Sony Corporation (72) Inventor Junichi Tsukamoto Kita, Shinagawa-ku, Tokyo Shinagawa 6-735 Sony Corporation

Claims (2)

[Claims] 1. A control method for an audio-video system comprising an audio-video center and a plurality of audio-video devices connected to the audio-video center via a control bus, wherein the audio-video device constituting the audio-video system comprises: When determining whether or not it supports bilingual broadcasting or stereo broadcasting, when transmitting a signal from one audio video device that constitutes the above audio video system to another audio video device, the audio video in the signal path It is determined whether the device supports bilingual broadcasting or stereo broadcasting, and if all audio / video devices in the signal path support bilingual broadcasting or stereo broadcasting, the above signal path is bilingual. Alternatively, the audio signal in the output stage is transmitted by a stereo signal. In O device, control method for an audio video system to set the mode of the Nike national broadcast or a stereo broadcast. 2. An audio-video system control method comprising an audio-video center and a plurality of audio-video devices connected to the audio-video center via a control bus, wherein one audio-video system constitutes the audio-video system. When the device is the source side and the other one is the destination side and the dubbing is performed from the source audio / video device to the destination audio / video device, the audio / video device in the dubbing path is duplicated. Determine whether or not it supports the Bilingual broadcast or the stereo broadcast, and if there is an audio / video device in the dubbing route that does not support the Bilingual broadcast or the stereo broadcast, set it to another dubbing route. The audio video in the dubbing path. Control method for an audio video system to equipment to search for a dubbing path to correspond to all two different language broadcast or a stereo broadcast.