JP3203699B2 - Sound equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a sound inputting voice signals output from a plurality of audio reproduction apparatus to the input switching device
It relates to a reverberation device .

[0002]

2. Description of the Related Art In recent years, the number of audio reproduction devices connected to an input switching device has increased and the connection has become complicated, and a method for simplifying the connection has been demanded.

[0003] An example of the above-described conventional connection method of audio signals will be described with reference to the drawings.

FIG. 3 shows the configuration of a conventional audio signal connection method. 3, 1 designates an input switching device, an input switching unit 2 and the audio reproduction apparatus A because switching to the input from the input of the audio reproduction apparatus that is currently selected consisting of the key input or the like other audio reproduction apparatus, audio signal input cutting conversion to Ru change the input to the audio signal of the audio reproduction apparatus selected by the system control signal output unit C3 and the input switching means (2) for exchanging signals for controlling the operation between the B
And an audio signal input unit 5 for inputting an audio signal of the audio reproducing device switched by the audio signal input switching unit 4.

Reference numeral 6 denotes a sound reproducing device A, which is a system control signal input / output unit A7 for exchanging signals for controlling operation with the input switching device 1, and a sound signal reproduced by the sound reproducing device A6. From the audio signal output unit A8.

Reference numeral 9 denotes an audio reproducing apparatus B, which is a system control signal input / output section B10 for exchanging signals for controlling operation with the input switching apparatus 1, and an audio signal reproduced by the audio reproducing apparatus B9. From the audio signal output unit B11.

The operation of the thus configured audio signal connection method will be described below with reference to flowcharts.

In FIG. 4, the input switching device 1 determines in step 1 whether or not input switching has been performed by the input switching means 2, and if input switching has been performed, the process proceeds to step 2; The input as it is is input to the audio signal input unit 5. In step 2, it is determined whether or not the currently selected input is the audio reproduction device B9. If the input is the audio reproduction device B9, the process proceeds to step 3, and if the input is the audio reproduction device A6, the process proceeds to step 4. Step 3
In the audio signal input switching unit 4, the input is the audio reproduction device A
Switched to 6 is input to the audio signal input unit 5. In step 4, the input is switched to the audio reproducing device B 9 by the audio signal input switching unit 4 and input to the audio signal input unit 5.

[0009]

[0005] However Acoustic device according to connection of a conventional audio signal as described above, because it has an input switching device switching portion of the audio signal input, input switching a plurality of audio reproduction apparatus The connection of the audio signal with the apparatus has a problem that the same number of signal lines as the audio reproducing apparatus are required.

According to the present invention, in view of the above-mentioned conventional problems, each audio reproducing apparatus has an audio signal output switch unit,
The input switching device turns on the audio signal output to the audio playback device.
By transmitting an OFF signal and inputting only the audio signal of the selected audio reproducing device to the input switching device, the purpose is to connect the audio signal to only one set of BUS lines.

[0011]

Acoustic device according to the present invention in order to solve the above problems SUMMARY OF THE INVENTION comprises a plurality of audio reproduction apparatus and one input <br/> force switching device, the double and the input switching device
A plurality of audio playback devices connected by a set of signal lines , wherein each of the audio playback devices outputs an audio signal.
Power unit, audio signal output switch unit, and the audio signal output
Input / output control signal for turning on / off the switch
Comprising a system control signal output unit for the input cutting conversion
The plurality of audio playback devices respond to the input switching.
And selects the raw device, by transmitting the audio signal output on-off signals to the system control signal output unit of the corresponding to the selected audio reproduction apparatus, the audio signal on the selected audio reproduction apparatus only The audio signal output switch
The input switching device is configured to input to the input switching device via a unit .

[0012]

DETAILED DESCRIPTION OF THE INVENTION The present invention by the configuration described above, and thus the connection of the audio signals of the plurality of audio reproduction apparatus and the input switching device and a set of BUS line.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to FIGS.

FIG. 1 shows a configuration of an audio signal connection method according to an embodiment of the present invention.

[0015] In FIG. 1, 21 denotes an input switching device, input switching unit 22 and the audio playback order switched from the input of the audio reproduction apparatus that is currently selected consisting of key input or the like to the input of other audio reproduction apparatus device a, as well as exchanging signals for controlling the operation between is B, input cutting
Inputting a speech signal of the system control signal output unit C23 and the audio reproduction device for outputting an audio signal output on-off signals in order sound reproduction apparatus switches the input to the audio signal of the audio reproduction device chosen by recombinant means 22 An audio signal input unit 24 is provided.

Reference numeral 25 denotes an audio reproducing apparatus A, which is used for input switching.
Audio to the input switching unit 21 receives the audio signal output on-off signals output from the system control signal output unit A26 and the system control signal output unit C23 exchanging signals for controlling the operation with the example apparatus 21 It comprises an audio signal output switch section A27 for turning on / off the signal output and an audio signal output section A28 for outputting the audio signal reproduced by the audio reproducing apparatus A25.

Reference numeral 29 denotes an audio reproducing apparatus B, which is used for input switching.
Audio to the input switching unit 21 receives the audio signal output on-off signals output from the system control signal output unit B30 and the system control signal output unit C23 exchanging signals for controlling the operation with the example apparatus 21 It comprises an audio signal output switch section B31 for turning on / off the signal output and an audio signal output section B32 for outputting the audio signal reproduced by the audio reproducing apparatus B29.

The operation of the audio signal connection method configured as described above will be described below with reference to the flowchart of FIG.

First, the input switching device 21 executes step 11
It is determined whether or not input switching has been performed by the input switching means 22. If input switching has been performed, the process proceeds to step 12, and if not, the input as is is input to the audio signal input unit 24. . In step 12, it is determined whether or not the currently selected input is the audio reproducing device B29.
Then, if it is the audio reproducing device A25, the process proceeds to step 17. In step 13, the system control signal input / output unit C23
Outputs an audio signal output off signal to the audio reproducing device B29. In step 14, upon receiving the audio signal output off signal, the audio signal output switch section B31 activates the audio reproducing apparatus B29.
Is turned off. In step 15, the system control signal input / output unit C23 outputs an audio signal output ON signal to the audio reproducing device A25. In step 16, the audio signal output switch section A27 receives the audio signal output ON signal.
As a result, the audio signal output of the audio reproducing device A 25 is turned on, and is input to the audio signal input section 24 of the input switching device 21. In step 17, the system control signal input / output unit C23
Outputs an audio signal output off signal to the audio reproducing device A25. In step 18, upon receiving the audio signal output off signal, the audio signal output switch unit A27 controls the audio reproducing device A25.
Is turned off. In step 19, the system control signal input / output unit C23 outputs an audio signal output ON signal to the audio reproducing device B29. In step 20, the audio signal output switch section B31 receives the audio signal output ON signal.
As a result, the audio signal output of the audio reproducing device B29 is turned on, and is input to the audio signal input section 24 of the input switching device 21.

As described above, according to the present embodiment, in an audio device comprising a plurality of audio reproducing devices and an input switching device, each audio reproducing device has an audio signal output switch section, and the input switching device is an audio reproducing device. By transmitting an audio signal output on / off signal to the input switching device and inputting only the audio signal of the selected audio reproduction device to the input switching device, the audio signal can be converted to a BUS line.

[0021]

The present invention as described above, according to the present invention includes a plurality of audio reproduction apparatus and one input switching device, the input cutting conversion
A sound apparatus example device and said plurality of audio reproduction apparatus are connected by a pair of signal lines, wherein each of the audio reproduction device
Is the audio signal output section, the audio signal output switch section ,
A control for turning on / off the audio signal output switch section.
A system control signal input / output unit that inputs and outputs control signals
The input switching device is provided with a
Select a plurality of audio playback devices and respond to the selection.
By transmitting an audio signal output on-off signals to the system control signal output unit of the sound reproducing apparatus Te, O
Only the audio signal of the emissions selected audio reproduction apparatus wherein the audio signal
Input to the input switching device via the signal output switch unit
With such a configuration , the audio signal can be converted to a BUS line, and the audio device has a plurality of audio reproducing devices.
Ru can be to simplify the signal line.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an audio signal connection method according to an embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the audio signal connection method according to one embodiment of the present invention;

FIG. 3 is a block diagram showing a configuration of a conventional audio signal connection method.

FIG. 4 is a flowchart showing the operation of a conventional audio signal connection method.

[Explanation of symbols]

 23 System control signal input / output section C 27 Audio signal output switch section A 31 Audio signal output switch section B

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) G11B 5/027 G11B 20/00

Claims (1)

(57) [Claims] 1. A plurality of audio playback devices and one input switch
Has a example device, the plurality of audio and the input switching device
An audio device that is connected to a playback device by a set of signal lines
A is, each audio reproduction apparatus, and an audio signal output unit, and the audio signal output switch section, on of the audio signal output switch unit
System control signal for input / output of control signal for turning off
Comprising a No. input-output unit, the input switching device, in response to input switching, before
Select a plurality of audio playback devices and respond to the selection.
By transmitting an audio signal output on-off signals to the system control signal output unit of the sound reproducing apparatus Te, O
Only the audio signal of the emissions selected audio reproduction apparatus wherein the audio signal
Input to the input switching device via the signal output switch unit
An acoustic device characterized by having such a configuration .