JP2009159104A - Panel for installing display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a panel for display device installation, which can reproduce sound of a display, or the like with a wider frequency band and in a form faithful to original sound only by the panel having a region in which a thin-type display device, such as the display, is installed without losing designing performance, and can improve a listening acoustic environment. <P>SOLUTION: A part for installing the thin-type display device 2, such as a display, is provided at a surface side. In a region not covered with the thin-type display device 2, a plurality of vibration regions divided by a vibration shielding region are formed. Shakers 4 having different acoustic characteristics are installed at a rear side in the vibration regions, and the vibration region is allowed to function as a speaker. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a display device installation panel.

  2. Description of the Related Art Conventionally, there is one having an area (so-called wall-mounted television) in which a display device (display, for example, a television) is installed on an indoor panel material (wall or the like) (see Patent Document 1).

  A television or the like usually has a built-in speaker, and the sound of the television or the like is output from this built-in speaker. However, since a wall-mounted television or the like is particularly required to be thin, front surround playback or the like It is difficult to incorporate a plurality of speakers for providing the above function.

  Therefore, it is conceivable to install an external speaker in front of the panel material.

There is a type in which the diaphragm of the speaker cabinet is divided into a plurality of parts, and a vibrator (voice coil) is provided on the divided diaphragm (see Patent Document 2).
JP 2005-150872 A JP-A-4-3694

  However, since the external speaker is exposed on the front of the panel material, it becomes different from the front design of the panel itself, the design is easy to be damaged, and if the speaker size is increased to enhance the acoustic effect, The amount of protrusion from the panel material also increased, and there was a problem that the design was more likely to be impaired.

  The present invention has been made to solve the above-mentioned problems, and the sound of the display and the like is faithfully reproduced with the original sound in a wider frequency band by using only a panel on which a thin display device such as a display is installed without impairing the design. It is an object of the present invention to provide a display device installation panel that can be reproduced in various forms and can improve the listening sound environment.

  In order to solve the above-described problems, the present invention provides a plurality of vibration regions having a portion on a surface side where a thin display device such as a display is installed and divided by vibration shielding regions in a region not covered by the thin display device. A display device installation panel is provided in which a vibration exciter having different acoustic characteristics is installed on the back side in the vibration region, and the vibration region functions as a speaker.

  According to a second aspect of the present invention, the vibration shielding region can be configured as a thick portion, and the vibration region can be configured as a thin portion where the back side is recessed from the vibration shielding region.

  According to a third aspect of the present invention, the vibrators having different acoustic characteristics reproduce and output a surround speaker for reproducing and outputting a surround component, a subwoofer speaker for reproducing and outputting a low frequency range, and a medium and high frequency range other than the subwoofer reproduction band. For the front speaker.

  According to a fourth aspect of the present invention, the vibrators having different acoustic characteristics are used for a tweeter speaker that reproduces and outputs a high sound range, a squawker speaker that reproduces and outputs a middle sound range, and a woofer speaker that reproduces and outputs a low sound range. Can be configured.

  According to a fifth aspect of the present invention, the vibrators having different acoustic characteristics can be configured for a tweeter speaker that reproduces and outputs only the high sound range and a woofer speaker that reproduces and outputs the low sound range.

  According to a sixth aspect of the present invention, the vibrators having different acoustic characteristics reproduce and output a surround speaker that reproduces and outputs a surround component, a subwoofer that reproduces and outputs a low frequency range, and a medium and high frequency range other than the subwoofer reproduction band. It can be configured for a front speaker and a center speaker that outputs only speech sound in a movie or the like.

  According to the present invention, a portion where a thin display device such as a display is installed is provided on the surface side, and a plurality of vibration regions divided by vibration shielding regions are formed in a region that is not covered by the thin display device. Is provided with a vibrator having different acoustic characteristics on the back side so that the vibration region functions as a speaker.

  Thereby, it is not necessary to install the external speaker in the room or the like, and the wiring of the external speaker can be connected on the back side of the panel material, so that the interior design is not impaired. In addition, the sound of the television or the like can be reproduced in a form that is faithful to the original sound in a wider frequency band by using only the panel material on which the display device such as the television is installed, and the listening sound environment can be improved.

  In addition, since external speaker vibrators with different acoustic characteristics can be provided, the characteristics of the sound reproduction device such as a television and the characteristics of the software to be reproduced (movie, music, etc.) can be further utilized, or the best reproduction can be performed. Complementing the ability that is insufficient for output, it is possible to achieve better sound reproduction.

  Furthermore, in order to reproduce and output the entire frequency band with only one speaker (vibrator), the structure of the exciter and panel material is complicated, leading to higher costs. Thus, the structure of the vibrator and the panel material can be simplified and the cost can be reduced.

  According to claim 2, the vibration shielding region is configured as a thick portion, and the vibration region is configured as a thin portion having a back surface recessed from the vibration shielding region. ) Can be effectively prevented. Furthermore, by arranging a vibrator in each recess on the back surface of the panel material, the thickness between the bottom of the recess and the surface of the panel material becomes thin and easily vibrates, so that the acoustic effect is further enhanced. become.

  According to the third aspect of the present invention, for example, an original audio signal input to an audio signal conversion device (for example, a digital surround processor) installed on the back surface of the panel material is subjected to a pseudo surround audio signal reproduction process, and the excitation for surround speakers is performed. The sound effect such as reverberation sound and reflection sound can be obtained by reproducing and outputting the surround sound by inputting to the device and vibrating the panel material in the vibration region.

  Of the original audio signal input to the same device, it extracts particularly only the frequency band below 150 Hz, which is an effective frequency band for watching movies, etc., with a sense of power, and inputs it to the subwoofer speaker exciter In addition, by vibrating the panel material in the vibration region and reproducing and outputting only the low sound region, a more realistic sound effect can be obtained when watching a movie.

  Of the original audio signal input to the device, only the frequency band of 100 Hz or higher is extracted and input to the front speaker exciter, and the panel material in the vibration region is vibrated, so that it is outside the reproduction frequency range in the subwoofer. By reproducing and outputting the frequency band, it is possible to obtain a coherent sound effect as a whole system.

  With this configuration, it is possible to reproduce audio from a television or the like in a form that is faithful to the original sound in a wider frequency band, and to improve the listening acoustic environment.

  According to the fourth aspect, for example, only a frequency band of 4 kHz or more is extracted from an original audio signal input to an audio signal converter (for example, a digital surround processor) installed on the back surface of the panel material, and added to a tweeter speaker. By inputting to a vibrator and vibrating the panel material in the vibration region, only the high sound region is emphasized and reproduced and output.

  From the original audio signal input to the same device, only the frequency band of 150 to 4 kHz is extracted and input to the exciter for the squawker speaker, and the panel material in the vibration area is vibrated to reproduce only the mid-range. Output.

  Of the original audio signal input to the device, only the frequency band of 150 Hz or less is extracted and input to the woofer speaker vibrator, and the panel material in the vibration area is vibrated to emphasize only the low sound area. And play back.

  With this configuration, it is possible to reproduce audio from a television or the like in a form that is faithful to the original sound in a wider frequency band, and to improve the listening acoustic environment.

  According to claim 5, for example, among the original audio signals input to the audio signal conversion device (for example, digital surround processor) installed on the back surface of the panel material, the output characteristics are inferior to 4 kHz or more which is inferior in general televisions or the like. Only the frequency band is extracted and input to the tweeter speaker vibrator, and the panel material in the vibration region is vibrated to emphasize and reproduce and output only the high sound region.

  From the original audio signal input to the device, only the frequency band of 150 Hz or less, which is inferior in output performance in general televisions, is extracted and input to the woofer speaker vibrator, and the panel material in the vibration region is extracted. By vibrating, only the low frequency range is reproduced and output.

  With this configuration, the sound of a television or the like can be reproduced in a form that is faithful to the original sound in a wider frequency band than the reproduction using only a speaker built in the television or the like, and the listening sound environment can be improved. .

  According to claim 6, for example, surround sound components such as reverberation sound and reflection sound generated by an audio signal converter (for example, a digital surround processor) installed on the back surface of the panel material are input to the surround speaker exciter, By reproducing and outputting the surround sound by vibrating the panel material in the vibration region, acoustic effects such as reverberation sound and reflected sound can be obtained.

  Of the original audio signal input to the same device, it extracts particularly only the frequency band below 150 Hz, which is an effective frequency band for watching movies, etc., with a sense of power, and inputs it to the subwoofer speaker exciter In addition, by vibrating the panel material in the vibration region and reproducing and outputting only the low sound region, a more realistic sound effect can be obtained when watching a movie.

  Of the original audio signal input to the device, only the frequency band of 100 Hz or higher is extracted and input to the front speaker exciter, and the panel material in the vibration region is vibrated, so that it is outside the reproduction frequency range in the subwoofer. By reproducing and outputting the frequency band, it is possible to obtain a coherent sound effect as a whole system.

  Of the original audio signal input to the same device, only the frequency band of 780 Hz to 2 kHz, which is the reproduction band of human voices, particularly movies, etc. is extracted and input to the center speaker exciter, and its vibration By vibrating the panel material in the area, the speech sound of a movie or the like is emphasized and reproduced and output.

  With this configuration, it is possible to reproduce audio from a television or the like in a form that is faithful to the original sound in a wider frequency band, and to improve the listening acoustic environment.

  Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings.

  FIG. 1 shows a display device installation panel 1A according to a first embodiment which is a basic form. A display that is a thin display device, for example, a television 2 is a so-called wall-mounted television. Although not specifically shown, the television 2 has a built-in speaker, and the sound of the television 2 can be heard through the built-in speaker. It is output. Note that the television 2 may not include a speaker.

  The panel material 3 having an area for installing the television 2 has a regular square shape in FIG. 1, but is actually a wall material for a room, a door material for a living board, a wall material, and the like. In this case, a plywood having a thickness of about 20 to 25 mm, a solid material, a laminated material or the like is preferable.

  And the recessed part 3c for vibration areas is each formed in the back surface 3a of the panel material 3 of the location which is not covered with the television 2, specifically, the position corresponded to the four corners of the television 2, and in this recessed part 3c, respectively. Each of the external speaker vibrators 4 is disposed, and each vibrator 4 is firmly fixed in a state of being in close contact with the bottom of the recess 3c. Moreover, each recessed part 3c is set to the depth which does not protrude each vibrator 4 from the back surface 3a of the panel material 3. FIG. In addition, the recessed part 3c is not restricted to a round hole shape.

  And the part of the panel material 3 in which the recessed part 3c for vibration areas is not formed turns into a vibration shielding area | region which prevents interference with each external speaker vibrator 4 in the panel material 3, and each recessed part 3c becomes a vibration shielding area | region. Will be partitioned.

  If the thickness of the panel material 3 is 25 mm, the depth of each recessed part 3c shall be about 20 mm, and the thickness between the bottom of the recessed part 3c and the surface 3b of the panel material 3 shall be about 5 mm. The inner diameter of the recess 3c is a large diameter for a woofer speaker (low sound), a small diameter for a tweeter speaker (high sound), and an intermediate diameter for a squawker speaker (medium sound).

  Here, the concave portion 3c becomes a vibration region that only vibrates as a vibration plate only a thickness portion between the bottom of the concave portion 3c and the surface 3b of the panel material 3 by the vibrator 4 disposed in the concave portion 3c. This is to prevent mutual interference of vibrations with the vibrator 4 arranged in the recesses 3c at different positions.

  Each recessed part 3c of the panel material 3 can be processed in the spot shape from the back surface 3a, as shown to Fig.4 (a) (c). In this way, the boundary part of the vibration range is thick, and the vibration of the thin part does not propagate to the adjacent vibration part.

  Further, as shown in FIGS. 4B and 4C, a recess is formed on the back surface of the first panel material (surface material) 3A having a thickness corresponding to the thickness between the bottom of the recess 3c and the surface 3b of the panel material 3. The 2nd panel material (back surface material) 3B which opened the hole corresponded to can also be adhere | attached.

  In this case, the second panel material 3B is a plywood or an MDF (Medium Density Fiberboard) material, and it is preferable that a vibration absorbing material 3d is interposed between the second panel material 3B and the first panel material 3A. Even if it does in this way, the boundary part of a vibration range will be thick, and it becomes a structure where the vibration of a thin part does not propagate to an adjacent vibration part.

  In FIG. 1, for the external speakers having different acoustic characteristics, for example, the upper two vibrators 4 are for tweeter speakers (treble), and the lower two vibrators 4 are woofer speakers (bass). Can be used.

  An amplifier and an audio signal conversion device (for example, a digital surround processor) 5 are installed on the back surface of the panel material 3. The audio signal conversion device 5 and each vibrator 4 are wired on the back surface side of the panel material 3. 6 are connected to each other.

  In the case of the display device installation panel 1A of the first embodiment, for external speakers having different acoustic characteristics in the recesses 3c that are a plurality of vibration regions formed on the back surface 3a of the panel material 3 at a location not covered by the television 2 By arranging the vibrators 4 and directly vibrating the panel members 3 with the respective vibrators 4, the panel members 3 can be used as speakers.

  Thereby, it is not necessary to install an external speaker in the room or the like, and the wiring 6 of the external speaker can be connected on the back surface 3a side of the panel material 3, so that the interior design is not impaired. Moreover, the sound of the television 2 can be reproduced in a form that is faithful to the original sound in a wider frequency band by using only the panel material 3 on which the television 2 is installed, and the listening acoustic environment can be improved.

  Further, since the external speaker vibrators 4 having different acoustic characteristics are provided, the characteristics of the sound reproduction device of the television 2 and the characteristics of the software (movie, music, etc.) to be reproduced can be further utilized, or the best. It is possible to achieve better sound reproduction by complementing the ability that is insufficient for reproduction output.

  Furthermore, in order to reproduce and output the entire frequency band with only one speaker (vibrator), the structure of the exciter and panel material is complicated, leading to higher costs. Thus, the structures of the vibrator 4 and the panel material 3 are simplified, and the cost can be reduced.

  In addition, by forming the recess 3c for the vibration region in which the vibrator 4 is disposed on the back surface 3a of the panel material 3, it is possible to effectively prevent interference of each speaker (vibrator 4) in the panel material 3. Can do. Furthermore, by arranging the vibrator 4 in each recess 3c on the back surface 3a of the panel material 3, the thickness between the bottom of the recess 3c and the surface 3b of the panel material 3 becomes thin, and vibration easily occurs. As a result, the acoustic effect is increased.

  FIG. 2A shows a display device installation panel 1B according to the second embodiment, which is a back surface 3a of a panel material 3 that is not covered by the television 2, and has two surrounds on the upper side of the television 2. A surround speaker exciter 4A for reproducing and outputting a component is arranged, and a subwoofer speaker exciter 4B for reproducing and outputting a low frequency range is arranged at one central portion on the lower side of the television 2, and the television 2 In the middle two places, a front speaker exciter 4C that reproduces and outputs a mid-high range other than the subwoofer reproduction band is arranged.

  In the case of the display device installation panel 1B of the second embodiment, the original audio signal input to the audio signal converter 5 is subjected to pseudo surround audio signal reproduction processing and input to the surround speaker exciter 4A. By reproducing and outputting the surround sound by vibrating the panel material 3 in the vibration region, acoustic effects such as reverberation sound and reflected sound can be obtained.

  Of the original audio signal input to the apparatus 5, the subwoofer speaker exciter 4B is extracted by extracting only the frequency band of 150 Hz or less, which is a frequency band that is particularly powerful when watching movies and the like. And the panel material 3 in the vibration region is vibrated, and only the low sound region is emphasized and reproduced and output, so that a more realistic sound effect can be obtained when watching a movie.

  Of the original audio signal input to the device 5, only the frequency band of 100 Hz or higher is extracted and input to the front speaker exciter 4C, and the panel material 3 in the vibration region is vibrated to reproduce in the subwoofer. By reproducing and outputting a frequency band outside the frequency range, a unified acoustic effect can be obtained as a whole system.

  With this configuration, the sound of the television 2 can be reproduced in a form that is faithful to the original sound in a wider frequency band, and the listening acoustic environment can be improved.

  FIG. 2B shows a display device installation panel 1 </ b> C of the third embodiment. The rear surface 3 a of the panel material 3 is not covered with the television 2, and the upper two locations of the television 2 have high positions. A tweeter speaker exciter 4D that reproduces and outputs a sound range is disposed, and a woofer speaker exciter 4F that reproduces and outputs a low sound range is disposed at two lower positions of the television 2, The two exciters 4E for the squawker speaker for reproducing and outputting the middle sound range are arranged.

  In the case of the display device installation panel 1C of the third embodiment, only the frequency band of 4 kHz or more is extracted from the original audio signal input to the audio signal conversion device 5 and input to the tweeter speaker exciter 4D. By vibrating the panel material 3 in the vibration region, only the high sound region is emphasized and reproduced and output.

  By extracting only the frequency band of 150 to 4 kHz from the original audio signal input to the apparatus 5 and inputting it to the exciter 4E for the squawker speaker, and vibrating the panel material 3 in the vibration area, Only play and output.

  By extracting only the frequency band of 150 Hz or less from the original audio signal input to the apparatus 5 and inputting it to the woofer speaker vibration exciter 4F, and vibrating the panel material 3 in the vibration area, only the low sound range is obtained. Is reproduced and output.

  With this configuration, the sound of the television 2 can be reproduced in a form that is faithful to the original sound in a wider frequency band, and the listening acoustic environment can be improved.

  FIG. 3A shows a display device installation panel 1D according to the fourth embodiment. The rear surface 3a of the panel material 3 is not covered by the television 2, and the upper two locations of the television 2 are high. A tweeter speaker exciter 4D that reproduces and outputs a sound range is arranged, and a woofer speaker exciter 4F that reproduces and outputs a low sound range is arranged at two locations below the television 2.

  In the display device installation panel 1D of the fourth embodiment, only the frequency band of 4 kHz or higher, in which the output characteristics of the general television 2 are inferior, is extracted from the original audio signal input to the audio signal converter 5. Then, it is input to the tweeter speaker vibrator 4D, and the panel material 3 in the vibration region is vibrated to emphasize and reproduce and output only the high sound region.

  Of the original audio signal input to the apparatus 5, only a frequency band of 150 Hz or less, which is inferior in output performance in the general television 2, is extracted and input to the woofer speaker vibration exciter 4F. By vibrating the material 3, only the low sound range is reproduced and output.

  With this configuration, the sound of the television 2 can be reproduced in a form that is faithful to the original sound in a wider frequency band as compared with the reproduction using only the speaker built in the television 2, and the listening acoustic environment can be improved. .

  FIG. 3B is a display device installation panel 1E according to the fifth embodiment, and surrounds the back surface 3a of the panel material 3 at a location not covered by the television 2, and surrounds the two locations on the upper side of the television 2. A surround speaker exciter 4A for reproducing and outputting the components is arranged, and a center speaker exciter 4G for outputting only the speech sound in a movie or the like is arranged at the upper two places beside the television 2, and the television The front speaker exciter 4C that reproduces and outputs medium and high frequencies other than the subwoofer reproduction band is arranged at the two lower positions next to 2, and the low frequency range is reproduced at one central position on the lower side of the television 2. An output sub-woofer speaker exciter 4B is arranged.

  In the case of the display device installation panel 1E of the fifth embodiment, surround sound components such as reverberation sound and reflection sound generated by the sound signal conversion device 5 are input to the surround speaker exciter 4A, and the panel of the vibration region is input. By reproducing and outputting the surround sound by vibrating the material 3, acoustic effects such as reverberation sound and reflected sound can be obtained.

  Of the original audio signal input to the apparatus 5, the subwoofer speaker exciter 4B is extracted by extracting only the frequency band of 150 Hz or less, which is a frequency band that is particularly powerful when watching movies and the like. And the panel material 3 in the vibration region is vibrated, and only the low sound region is emphasized and reproduced and output, so that a more realistic sound effect can be obtained when watching a movie.

  Of the original audio signal input to the device 5, only the frequency band of 100 Hz or higher is extracted and input to the front speaker exciter 4C, and the panel material 3 in the vibration region is vibrated to reproduce in the subwoofer. By reproducing and outputting a frequency band outside the frequency range, a unified acoustic effect can be obtained as a whole system.

  Of the original audio signal input to the same device 5, only the frequency band of 780 Hz to 2 kHz, which is a speech reproduction band of human voice, especially movies, etc. is extracted and input to the center speaker exciter 4G. By vibrating the panel material 3 in the vibration region, the speech sound of a movie or the like is emphasized and reproduced and output.

  With this configuration, the sound of the television 2 can be reproduced in a form that is faithful to the original sound in a wider frequency band, and the listening acoustic environment can be improved.

  With the configuration as described above, each reproduction frequency band is divided to form the optimum reproduction acoustic environment for the television 2 and software to be used, but the output volume and reproduction frequency range can be varied by the built-in amplifier. Thus, finer adjustment is possible, and it is possible to form an optimal acoustic environment according to the listening space environment and the listener's preference.

BRIEF DESCRIPTION OF THE DRAWINGS It is a display apparatus installation panel of 1st Embodiment of this invention, (a) is a perspective view of a front side, (b) is a side view, (c) is principal part sectional drawing, (d) is (c). It is a back view. (A) is a front view of the display apparatus installation panel of 2nd Embodiment of this invention, (b) is a front view of the display apparatus installation panel of 3rd Embodiment of this invention. (A) is a front view of the display apparatus installation panel of 4th Embodiment of this invention, (b) is a front view of the display apparatus installation panel of 5th Embodiment of this invention. It is panel material, (a) (b) is sectional drawing, respectively (c) is a back view.

Explanation of symbols

1A to 1E Display device installation panel 2 Television (thin display device)
3 Panel material 3a Back surface 3b Front surface 3c Concave portion (vibration region)
4 Exciter for external speaker 4A Exciter for surround speaker 4B Exciter for subwoofer speaker 4C Exciter for front speaker 4D Exciter for tweeter speaker 4E Exciter for squawker speaker 4F Exciter for woofer speaker 4G Center speaker vibrator 5 Audio signal converter 6 Wiring

Claims (6)

  A portion where a thin display device such as a display is installed is provided on the front surface side, and a plurality of vibration regions divided by a vibration shielding region are formed in a region not covered by the thin display device. A display device installation panel, wherein vibrators having different characteristics are installed, and the vibration region functions as a speaker.   The display device installation panel according to claim 1, wherein the vibration shielding region is configured as a thick portion, and the vibration region is configured as a thin portion with a back side recessed from the vibration shielding region. .   The vibrators having different acoustic characteristics are composed of surround speakers that reproduce and output surround components, subwoofer speakers that reproduce and output low frequencies, and front speakers that reproduce and output medium and high frequencies other than the subwoofer reproduction band. The display device installation panel according to claim 1, wherein the display device installation panel is provided.   The vibrators having different acoustic characteristics include a tweeter speaker that reproduces and outputs a high sound range, a squawker speaker that reproduces and outputs a mid sound range, and a woofer speaker that reproduces and outputs a low sound range. The display device installation panel according to claim 1.   2. The display device according to claim 1, wherein the vibrators having different acoustic characteristics are configured for a tweeter speaker that reproduces and outputs only a high sound range and a woofer speaker that reproduces and outputs a low sound range. Panel for installation.   The vibrators having different acoustic characteristics are used for surround speakers that reproduce and output surround components, subwoofers that reproduce and output low frequencies, front speakers that reproduce and output medium and high frequencies other than the subwoofer reproduction band, movies, etc. The display device installation panel according to claim 1, wherein the display device installation panel is configured for a center speaker that outputs only speech sound.

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