JP2005166134A - Automatic player - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an automatic player which can fully demonstrate sound effects. <P>SOLUTION: This player has a DVD drive 3 and an AV amplifier 4 to store and reproduce the data of the plurality of music pieces, an operating unit 68 to choose the music data to be reproduced with the DVD drive 3 and the AV amplifier 4, loudspeakers 5a, 5b to output the music data reproduced by the DVD drive 3 and the AV amplifier 4, a loudspeaker mount 23 formed in a box shape with its front and rear open and to mount the speakers 5a, 5b, and a front panel 6, side boards 2 and a rear panel 7 to house the DVD drive 3, the AV amplifier 4, the speakers 5a, 5b, and the above speaker mount 23. The speakers 5a, 5b are positioned with a predetermined angles to the front surfaces of the side boards 2. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an automatic performance device provided with a speaker inside the device.

The conventional automatic performance apparatus is integrally provided with a speaker inside the apparatus, and the sound of the music selected by the user is generated from the speaker inside the apparatus. (For example, refer to Patent Document 1).
JP 2003-173192 A (FIG. 2 etc.)

  However, the conventional automatic performance device has a problem in that the sound effect cannot be sufficiently exhibited depending on the location of the automatic performance device because the speaker is built in the device.

  The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide an automatic performance device that can sufficiently exhibit an acoustic effect.

  In order to solve the above problem, the automatic performance apparatus of the present invention stores a plurality of music data and reproduces the music data and reproduces the music data (for example, the DVD device 3 and the AV amplifier 4). Selection means for selecting music data (for example, the operation unit 68), speakers (for example, speakers 5a and 5b) for outputting music data to be reproduced by the reproduction means, and the speakers are mounted on the front surface. A speaker mounting table (for example, speaker mounting table 23) having a box shape with the back opened, and a housing (for example, front panel unit 6, side plate 2 and And a back plate 7).

  Further, in the automatic performance device of the present invention, the speaker is composed of two speakers separated by a predetermined interval, and is arranged so as to face a side surface side by a predetermined angle with respect to the front surface of the housing. It is characterized by that.

  The present invention provides a speaker mounting table having a box shape with a front surface and a rear surface open, a speaker mounted therein, and a housing that houses the reproducing means, the speaker, and the speaker mounting table. Thus, it is possible to provide an automatic performance device having an effect that a sound effect can be sufficiently exhibited.

  Hereinafter, an automatic performance device according to an embodiment of the present invention will be described with reference to the drawings.

  First, the configuration will be described. 1 to 4 show a front perspective view, a rear view, a side view, and a block diagram of an automatic performance device according to the present invention, respectively. In the following description, the DVD device 3 and the AV amplifier 4 constitute reproduction means, the operation unit 68 constitutes selection means, and the front panel unit 6, the side plate 2, and the rear plate 7 constitute a casing.

  The automatic performance device 1 includes a DVD device 3 loaded with a DVD (Digital Versatile Disc) -ROM for recording a plurality of song data, an AV amplifier 4 for amplifying song data sent from the DVD device 3, and an AV amplifier. 4, the left and right speakers 5 a, 5 b that output the music data amplified by 4, the operation unit 68 that inputs instructions to the DVD device 3 and the AV amplifier 4, and the DVD device 3 and AV based on the instructions from the operation unit 68. A control circuit 12 that controls the amplifier 4 and the like, a side plate 2 that houses the DVD device 3, AV amplifier 4, control circuit 12, and speakers 5 a and 5 b, a front panel unit 6, and a back plate 7 are configured. . As shown in FIG. 2, the side plate 2 is composed of members on both sides, an inverted U-shaped top and bottom, and bears most of the load on the casing. The side plate 2 has shelf plates 22a, 22b, and 22c. The DVD device 3 is mounted on the shelf plate 22b and the AV amplifier 4 is mounted on the shelf plate 22c. A structure that can be seen from the front through the glass window 61a, in this embodiment, the doll 21 is placed on the shelf 22a. The glass window 61a is provided so as to be openable and closable with the hinge 61 as a fulcrum, and the structure placed on the shelf plate 22a can be exchanged.

  In addition, the automatic musical instrument 1 is provided with electric illumination units 64 a and 64 b having a plurality of illuminations on the front panel unit 6 constituting the front surface of the side plate 2, and an illumination button 62 provided on the front panel unit 6. Is turned on and off, based on the control of the control circuit 12, the illumination lighting parts 64 a and 64 b are turned on and off.

  The front panel unit 6 is provided with a main power button 63 for turning on and off the power supplied to the DVD device 3, the AV amplifier 4, and the illumination lighting units 64a and 64b.

  Further, the front panel unit 6 is provided with an operation unit 68 for performing a selection operation of music to be reproduced by the DVD device 3 and a volume adjustment operation of the AV amplifier 4. The operation unit 68 is provided with a plurality of keys with numerals, and a music selection operation is performed by inputting a music number with a key. Information indicating the music input from the operation unit 68 (for example, “number given to the music title”) is output by infrared rays, and this is received by an infrared light receiving unit (not shown) provided in the vicinity of the liquid crystal display units 41a and 41b. It is designed to receive light. On the left and right sides of the operation unit 68 are provided song name plates 65 on which the names and numbers of the songs recorded on the DVD-ROM are recorded, and the user inputs a song number from the operation unit 68 to obtain a desired song. To play. Note that music may be selected in accordance with an instruction from an infrared remote controller that is configured in the same manner as the operation unit 68 and separate from the automatic performance device 1.

  FIG. 4 shows a control system of the automatic performance device 1 according to the embodiment of the present invention. In FIG. 4, the automatic performance device 1 includes a DVD device 3, an AV amplifier 4, speakers 5a and 5b, a control circuit 12, an operation unit 68, electric lamps 64a and 64b, an illumination button 62, a main button. And a power button 63. Here, the operation unit 68 transmits the music number to the DVD device 3 or the AV amplifier 4, and the AV amplifier 4 extracts the music data stored in the DVD-ROM according to the music number. The AV amplifier 4 outputs music data from an audio output terminal, and this data is input to the control circuit 12 and the speakers 5a and 5b. The control circuit 12 controls the lighting units 64a and 64b based on these input data. Here, the control circuit 12 determines whether or not the illumination lighting units 64a and 64b need to be turned on based on the input data, and controls the lighting and extinguishing of the illumination lighting units 64a and 64b. The control circuit 12 may perform control so that the illumination lighting units 64a and 64b are turned off every time the performance of one piece of music is completed.

  In addition, the automatic performance device 1 includes a box-shaped speaker mounting table 23 whose front and back surfaces are open, and the speakers 5 a and 5 b are mounted on the speaker mounting table 23. The depth of the speaker mounting table 23 is set to be shorter than the depth of the side plate 2, and the speaker mounting table 23 is disposed in front of the side plate 2, whereby the speaker mounting table 23 and the back surface of the side plate 2 are separated. A space is formed between them. Thereby, since the speaker mounting table 23 absorbs the vibration from the bottom surface of the side plate 2 of the automatic performance device 1, the influence of the vibration from the bottom surface of the side plate 2 on the speakers 5a and 5b is reduced and the acoustic effect is improved. Can do. Further, the sound effect can be improved by preventing the sound vibrations uttered by the speakers 5a and 5b from being transmitted to the DVD device 3 and the AV amplifier 4 via the side plate 2. Further, the sound from the back surface of the speakers 5 a and 5 b, particularly low-frequency components, pass around the space between the speaker mounting table 23 and the back plate 7 and escape to the front of the speaker mounting table 23 as indicated by an arrow 72. Therefore, the acoustic effect can be further improved. In addition, since the speaker mounting table 23 has a box shape with the front and back surfaces open, the air permeability of the bottom of the side plate 2 is improved, and moisture that may adversely affect the automatic performance device 1 is prevented from accumulating. be able to. The speakers 5a and 5b are placed at the front portion of the speaker mounting table 23, that is, at a position close to the front panel portion 6 so that the distance between the two speakers 5a and 5b is maximized. In contrast, it is preferable that each face the side face (in the direction of the side face plate 2 when viewed from the speakers 5a and 5b) by 5 degrees. Thereby, the realism of the sound uttered from the speakers 5a and 5b can be improved.

  According to the automatic performance device 1 according to the embodiment of the present invention, the speaker 5a and 5b are mounted, the speaker mounting table 23 having a box shape with the front and rear surfaces open, and the DVD device. 3, the front panel 6, the side plate 2, and the back plate 7 that house the AV amplifier 4, the speakers 5 a and 5 b, and the speaker mounting table 23. Since the speaker mounting table 23 absorbs the vibration, the influence of the vibration from the bottom surface of the side plate 2 on the speakers 5a and 5b can be reduced and the acoustic effect can be improved. In addition, sound from the back surfaces of the speakers 5a and 5b, particularly low-frequency components, pass around the space between the speaker mounting table 23 and the back plate 7 and escape to the front of the speaker mounting table 23, thereby improving the acoustic effect. Can be expected.

  In addition, according to the above-described embodiment, the speakers 5a and 5b separated by a predetermined interval are arranged so as to face the side surfaces with respect to the front surface of the side plate 2, so that the voice uttered from the speakers 5a and 5b An improvement in feeling can be expected.

It is a front perspective view which shows the external appearance of the automatic performance apparatus which concerns on one Embodiment of this invention. It is a rear view which shows the external appearance of the back part of the automatic performance apparatus which concerns on one Embodiment of this invention. It is a side view which shows the internal arrangement | positioning of the automatic performance apparatus which concerns on one Embodiment of this invention. It is a block which shows the principal part structure of the automatic performance apparatus which concerns on one Embodiment of this invention.

Explanation of symbols

1 Automatic performance device 2 Side plate (housing)
3 DVD device (reproduction means)
4 AV amplifier (reproduction means)
5a, 5b Speaker 6 Front panel (housing)
7 Back plate (housing)
21 Dolls (structures)
22a, 22b, 22c Shelf plate 23 Speaker mounting table 41a, 41b Liquid crystal display unit 61 Hinge 61a Glass window 62 Illumination button 63 Main power button 64a, 64b Illumination illumination unit 68 Operation unit (selection means)

Claims (2)

Reproducing means for accumulating a plurality of song data and reproducing the song data;
Selecting means for selecting music data to be reproduced by the reproducing means;
A speaker for outputting music data reproduced by the reproducing means;
A speaker mounting table having a box shape in which the front and back surfaces are opened while the speaker is mounted;
An automatic performance apparatus comprising: the reproduction means, the speaker, and a housing containing the speaker mounting table.   2. The speaker according to claim 1, wherein the speaker is composed of two speakers separated by a predetermined interval and is arranged so as to face a side surface side by a predetermined angle with respect to the front surface of the housing. The automatic performance device described.

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