Audio display apparatus

Abstract

To provide a display acoustic device by which a user can always listen to a clear sound even when the posture of the user is changed.SOLUTION: In a display acoustic device 1, speaker cases 12a and 12b extend from both right and left sides of a display member 6 having a display screen 7 toward the front (Y1 direction) of a display direction, and a plurality of speaker units 15 are linearly arrayed on the respective speaker cases 12a and 12b to constitute array speakers on the right and left sides of the head H of a user. Even when a user such as a game player moves in front of the display screen 7, the user can always listen to clear sound.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a display and sound device that has a display member and a speaker unit and can provide sound effects suitable for use by one person. [Background technology]

[0002] Patent Document 1 describes a seat with speakers for listening to sound alone. This seat with speakers has speaker holders on both the left and right sides of the headrest, and three speaker units that radiate plane waves are embedded inside each speaker holder. The three speaker units are arranged side by side in the front-to-rear direction on each speaker holder. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2005-27019 Summary of the Invention [Problem to be solved by the invention]

[0004] One example of a single-player game is called an FPS (First Person Shooter), which is a Japanese translation of the term. This type of game requires high clarity in the sounds heard from both the left and right sides, so headphones are typically used to control the game. However, headphones put pressure on the ears and temples, and prolonged use can cause problems such as ear and head pain and rough skin on the temples.

[0005] Patent Document 1 points out the problem of headphones creating a feeling of pressure, and describes how using a seat with speakers allows for clear listening without headphones. However, the speaker-equipped seat described in Patent Document 1 has speaker support members with short front-to-rear dimensions on both the left and right sides of the headrest, with speaker units embedded inside these support members. Therefore, when the head moves forward, the head comes off the left and right speaker support members, moving the ears away from the speaker units and causing a sudden drop in the audible sound level. For this reason, it is not suitable for use in playing the aforementioned games, etc.

[0006] The present invention is intended to solve the above-mentioned conventional problems, and aims to provide a display and audio device that allows a user to hear sounds clearly at all times even when moving their head and is suitable for use by one person. [Means for solving the problem]

[0007] The present invention provides a display and audio device including a display member having a display screen and a speaker unit that emits sounds linked to the content of an image displayed on the display screen, a plurality of the speaker units are arranged linearly facing forward in the display direction of the display screen to form an array speaker; The array speakers are provided on both the left and right sides of the display screen, and the sound-emitting direction of each of the speaker units constituting the left-side array speaker and the sound-emitting direction of each of the speaker units constituting the right-side array speaker are opposite to each other.

[0008] In the audio-visual device of the present invention, when a line connecting the centers of the plurality of speaker units is defined as an array line in each of the array speakers, The arrangement line of each of the array speakers is preferably inclined so as to gradually become higher as it moves forward in the display direction.

[0009] In the audio-visual device of the present invention, when a line connecting the centers of the plurality of speaker units is defined as an array line in each of the array speakers, It is preferable that the distance between the array speakers in the left-right direction of the array lines gradually increases toward the front in the display direction.

[0010] The display and sound device of the present invention can be configured so that a pair of speaker cases are provided extending forward in the display direction from both sides of the display screen, and the speaker units are installed in each speaker case. [Effects of the Invention]

[0011] The display and sound device of the present invention is provided with array speakers extending forward in the display direction from both the left and right sides of the display screen, and the listener's head can be positioned between the left and right array speakers, so that the listener can always hear clear sounds even if he or she moves his or her head back and forth or left and right.

[0012] If the array lines of each array speaker are inclined so that they are gradually higher as they move forward in the display direction, there is less of a difference in the distance between the ears and the speaker units, even if a seated listener leans their upper body forward and moves their head forward. Furthermore, if the horizontal spacing between the array lines of each array speaker is gradually increased as they move forward in the display direction, the sound level heard increases when the listener's head is closer to the display screen, and decreases as the listener moves away. This allows the listener to experience a sense of perspective in response to their head movements. Furthermore, it becomes easier to move their head left and right at a distance from the display screen. [Brief explanation of the drawings]

[0013] [Figure 1] 1 is a perspective view showing a display and audio device according to an embodiment of the present invention; [Figure 2] 1 is a side view showing an audio display device according to an embodiment of the present invention; [Figure 3]FIG. 1 is a plan view showing an audio display device according to an embodiment of the present invention; DETAILED DESCRIPTION OF THE INVENTION

[0014] The display and audio device 1 shown in Figures 1 to 3 is suitable for use by one person, and is used for games such as FPS (First Person Shooter), or other single-player games. The display and audio device 1 can also be used for privately viewing images and sounds other than games. The Z1-Z2 direction is the up-down direction, with the Z1 direction being the up direction and the Z2 direction being the down direction (the direction of gravity). The Y1-Y2 direction is the front-to-back direction, with the Y1 direction being the front facing the display direction of the display screen and the Y2 direction being the rear of the display direction, approaching the display screen. The X1-X2 direction is the left-to-right direction, with the X1 direction being the left direction and the X2 direction being the right direction.

[0015] The display and audio device 1 has a base 2, on which a display support member 3, a left acoustic support member 4a, and a right acoustic support member 4b are fixed. A display member (display) 6 is fixed to the display support member 3. The display member 6 is equipped with a liquid crystal display panel or an electroluminescence display panel. The display screen 7 of the display member 6 faces forward (in the Y1 direction). As shown in FIG. 2, when the base 2 is placed on a horizontal floor, the display screen 7 is vertical. Alternatively, in FIG. 2, the display screen 7 may be tilted slightly counterclockwise relative to the vertical. The display member 6 is sized appropriately for viewing displayed images by one person, and the size of the display screen 7 is 100 inches or less, preferably 50 inches or less.

[0016] Holder 11a is fixed to the forward-facing support surface 5a of left acoustic support member 4a, and holder 11b is fixed to the forward-facing support surface 5b of right acoustic support member 4b. Left speaker case 12a is supported by left holder 11a, and right speaker case 12b is supported by right holder 11b. Each speaker case 12a, 12b has an elongated shape in which length dimension c in the front-to-back direction is sufficiently larger than height dimension a in the up-down direction and width dimension b in the left-to-right direction. Length dimension c is, for example, 50 cm or more and 200 cm or less, and preferably 80 cm or more and 160 cm or less.

[0017] A sliding cylinder 13a extending rearward (in the Y2 direction) is fixed to the left speaker case 12a, and the sliding cylinder 13a is slidably inserted into the holder 11a. A fixing screw 14a is provided on the holder 11a. The installation position of the speaker case 12a in the front-to-rear direction (Y1-Y2 direction) can be adjusted by sliding the sliding cylinder 13a within the holder 11a. After adjusting the position of the speaker case 12a, the front-to-rear position of the speaker case 12a is determined by tightening the fixing screw 14a. A sliding cylinder 13b is also fixed to the right speaker case 12b, and the sliding cylinder 13b is slidably inserted into the holder 11b. A fixing screw 14b is attached to the holder 11b, and the position of the speaker case 12b, whose position has been adjusted in the front-to-rear direction, is determined by tightening the fixing screw 14b.

[0018] The acoustic support members 4a and 4b are provided at positions close to both the left and right sides of the display screen 7 of the display member 6, and the speaker cases 12a and 12b supported by the acoustic support members 4a and 4b extend forward in the display direction (Y1 direction) from positions close to both the left and right sides of the display screen 7. The holders 11a and 11b, the slide cylinders 13a and 13b, and the fixing screws 14a and 14b constitute an adjustment and fixing mechanism that adjusts and fixes the installation positions of the speaker cases 12a and 12b forward in the display direction. Note that, to form a private space, partition walls parallel to the YZ plane may be provided at positions close to both the left and right sides of the display screen 7, and the speaker cases 12a and 12b may be fixed to the inner surfaces of the left and right partition walls.

[0019] Multiple speaker units 15 are embedded in the left speaker case 12a and the right speaker case 12b. Each speaker unit 15 includes a diaphragm and a magnetic drive mechanism that vibrates the diaphragm. The speaker units 15 are the same size and have the same output characteristics. As shown in FIG. 3, a speaker center line Ol, which passes through the center of the diaphragm in each speaker unit 15 embedded in the left speaker case 12a and extends in the vibration direction of the diaphragm, and a speaker center line Or, which passes through the center of the diaphragm in each speaker unit 15 embedded in the right speaker case 12b and extends in the vibration direction of the diaphragm, are located in the same plane parallel to the XY plane. The left speaker center line Ol is oriented to the right (in this embodiment, a direction slightly tilted forward with respect to the X2 direction), and the right speaker center line Or is oriented to the left (in this embodiment, a direction slightly tilted forward with respect to the X1 direction).

[0020] As shown in FIG. 1, in the right speaker case 12b, the intersection of the speaker center line Or and the surface of the speaker unit 15 facing left is the center Osr of the speaker unit. A line (imaginary line) connecting the centers Osr of the multiple speaker units 15 is the right array line Lr. The multiple speaker units 15 are arranged so that their centers Osr are spaced at regular intervals on the array line Lr, thereby forming a right-side speaker array. In the left speaker case 12a, the intersection of the speaker center line Ol and the surface of the speaker unit 15 facing right is the center Osl of the speaker unit 15. A line connecting the centers Osl of the multiple speaker units is the array line Ll. The multiple speaker units 15 embedded in the left speaker case 12a are arranged so that their centers Osl are spaced at regular intervals on the array line Ll, thereby forming a left-side speaker array. The array lines Ll and Lr are the array lines for the array speakers.

[0021] The sound-emitting directions of the speaker units 15 constituting the left-side array speaker and the speaker units 15 constituting the right-side array speaker are opposite to each other. The spacing between the speaker units 15 in the right-side array speaker and the left-side array speaker in the direction along the arrangement lines Ll and Lr is the same. As described above, the length dimension c in the front-rear direction of each speaker case 12a, 12b is, for example, 50 cm to 200 cm, preferably 80 cm to 160 cm. However, the number of speaker units 15 constituting the array speakers installed in each speaker case 12a, 12b is preferably 4 to 10. In the display / sound device 1 of this embodiment, each array speaker comprises seven speaker units 15.

[0022] 2, the array lines Ll, ​​Lr of the left and right array speakers are inclined so that they gradually rise higher as they move forward (in the Y1 direction) in the display direction of the display screen 7. The upward inclination angle α of the array lines Ll, ​​Lr with respect to a horizontal line parallel to the floor surface on which the base 2 is installed (a horizontal line parallel to the XY plane) is, for example, 3 degrees or more and 10 degrees or less, e.g., 5 degrees.

[0023] As shown in the plan view of FIG. 3, the horizontal distance between the array lines Ll and Lr of the array speakers gradually increases toward the front (Y1 direction) of the display screen 7. The left array line Ll tilts toward the left (X1 direction) as it moves forward (Y1 direction), while the right array line Lr tilts toward the right (X2 direction) as it moves forward (Y1 direction). The horizontal tilt angle β of the left array line Ll and the right array line Lr with respect to the front-to-rear direction (Y1-Y2 direction) is, for example, 3 degrees to 10 degrees, e.g., 5 degrees. The maximum distance Wm between the left speaker case 12a and the right speaker case 12b (the distance between the left and right array speakers) is, for example, 80 cm to 250 cm, and preferably 100 cm to 200 cm.

[0024] Next, the operation of the display and audio device 1 will be described. 1 to 3, a personal game image is displayed on a display screen 7, and speaker units 15 constituting left and right array speakers emit sounds linked to the content of the image displayed on the display screen 7. The speaker units 15 constituting the left and right array speakers have the same characteristics. The speaker units 15 may be responsible for different frequency bands so that they can be used together for low, mid, and high frequencies.

[0025] 1 to 3 show the head H of a user of the display and sound device 1. The user may be, for example, a player of an FPS (first-person shooter game). In each figure, (i) indicates the position of the head H when the user is sitting in a chair with the upper body held upright in a standard seated position, and (ii) indicates the position of the head H when the user is sitting in the chair and leaning forward to approach the display screen 7. Since the array speaker has multiple speaker units 15 arranged in a row, sound pressure from adjacent speaker units 15 interferes with each other, causing the sound pressure to spread in a substantially cylindrical shape centered on the array line Ll. As a result, the user can clearly hear sounds with both ears at each position when the head H is moved from position (i) in the standard seated position to position (ii) in the leaning forward position.

[0026] As shown in FIG. 2, when a seated user's upper body leans forward, the head H approaches the display screen 7, and the position (i) of the head H falls below the position (i) of the head H in the standard position. Because the array speaker arrangement lines Ll and Lr are inclined downward toward the display screen 7, the relative position between the head H and the left and right array speakers remains almost constant when the head H is in the forward-leaning position (ii) and when the head H is in the standard position (i). Furthermore, because the array lines Ll and Lr are inclined, the relative position between the head H and the left and right array speakers remains approximately the same regardless of the position the head H is in between the standard position (i) and the forward-leaning position (ii). Therefore, even if the seated user moves their body back and forth, they can always hear clear sound.

[0027] 3, the spacing between the left and right array speakers' arrangement lines Ll, ​​Lr increases as they move forward (in the Y1 direction) in the display direction of the display screen 7, so when the user's head H is in the standard posture position (i), the distance between the head H and the left and right array speakers is somewhat wide. Therefore, even if a user playing a game in the standard posture sways their upper body left and right, the head H will not get too close to the left and right speaker units 15.

[0028] 3, when the user is in a standard posture, the distance between the head H at position (i) and the left and right speaker units 15 is large, and when the head H is brought closer to the display screen 7 in a forward-leaning posture as in position (ii), the distance between the head H and the left and right speaker units 15 decreases. Therefore, the audible sound becomes louder as the head H moves closer to the display screen 7, and the audible sound becomes quieter as the head H moves farther away from the display screen 7, making it easier for the user to three-dimensionally recognize whether the head H is close to or farther away from the display screen based on the strength of the sound pressure level. [Explanation of symbols]

[0029] 1 Display sound device 6 Display components 7 Display screen 12a, 12b Speaker case 15 Speaker unit H head Ol, Or Speaker center line Osl, Osr speaker center Ll, Lr array lines

Claims

1. A display and sound device including a display member having a display screen and a speaker unit that emits sounds linked to the content of an image displayed on the display screen, a plurality of the speaker units are arranged linearly facing forward in the display direction of the display screen to form an array speaker; The array speakers are provided on both the left and right sides of the display screen, and the sound-emitting direction of each of the speaker units constituting the array speaker on the left side and the sound-emitting direction of each of the speaker units constituting the array speaker on the right side are opposite to each other.

2. In each of the array speakers, when a line connecting the centers of the plurality of speaker units is defined as an array line, 2. The audio-visual device according to claim 1, wherein the arrangement line of each of the array speakers is inclined so as to gradually become higher toward the front in the display direction.

3. In each of the array speakers, when a line connecting the centers of the plurality of speaker units is defined as an array line, 2. The audio-visual device according to claim 1, wherein the distance between the opposing sides of the array speaker in the left-right direction of the arrangement line gradually increases toward the front in the display direction.

4. 4. The display and sound device according to claim 1, further comprising a pair of speaker cases extending forward in the display direction from both sides of the display screen, each of the speaker cases being provided with a speaker unit.

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