UPFIRING SPEAKER SYSTEM WITH REDIRECTING BAFFLE

• US 20190325858A1
• Filed: 04/24/2018
• Published: 10/24/2019
• Est. Priority Date: 04/24/2018
• Status: Active Grant

• Current Assignee: VIZIO, Inc.
• Original Assignee: VIZIO, Inc.
• Inventors: Giffin, Jason, Tubman, Ryan
• Granted Patent: US 11,004,438 B2
• Time in Patent Office: Days
• CPC Class Codes: G10K 11/20 Reflecting arrangements G10K11/28 takes precedence
• CPC Class Codes: G10K 11/28 using reflection, e.g. parabolic reflectors

Abstract

A sound system with upfiring speakers and a redirecting baffle is shown and described. Upfiring speakers simulate overhead speakers by using a ceiling to reflect sound toward the listener from above the listener'"'"'s head. However, in rooms with high ceilings, such reflection is not practical. The redirecting baffle is spaced apart from the upfiring speakers along a height axis and is oriented downward so that a surface normal to the baffle is neither parallel to nor perpendicular to the floor. By adjusting the angle of orientation, the location at which the reflected sound quality is best can be adjusted toward or away from the upfiring speakers. The system is particularly useful for in-store displays as many stores have ceiling heights that make sound reflection from an upfiring speaker impractical.

Claims

1. An audio-visual system in an area having a floor defining a horizontal plane, the audio-visual system comprising:

a visual display having a top and a bottom spaced apart along a height axis;

a speaker comprising a driver having a median axis oriented at an upward angle of inclination relative to the horizontal plane; and

a redirecting baffle extending above the top surface of the visual display along the height axis and facing downward to receive and redirect soundwaves from the speaker, wherein the speaker and the redirecting baffle are spaced apart from one another along the height axis.

2. The audio-visual system of claim 1, wherein the speaker driver is oriented with its median axis at an upward angle of inclination of from about 60°

to about 120°

relative to the horizontal plane.

3. The audio-visual system of claim 1, wherein the redirecting baffle is oriented at an upward angle of inclination of no more than about 60°

relative to the horizontal plane.

4. The audio-visual system of claim 1, wherein the redirecting baffle is attached to the top surface of the visual display.

5. The audio-visual system of claim 1, wherein the redirecting baffle is clear.

6. The audio-visual system of claim 1, wherein the redirecting baffle has a surface facing toward the floor, and the surface has words and/or symbols on it.

7. The audio-visual system of claim 1, wherein the redirecting baffle is formed from an acrylic polymer.

8. The audio-visual system of claim 1, further comprising a sound bar having a length along a length axis, wherein the soundbar comprises a plurality of drivers spaced apart along the length axis and having respective median axes oriented at non-orthogonal angles relative to the horizontal plane, and the plurality of drivers comprises the driver having a median axis oriented at an upward angle of inclination relative to the horizontal plane.

9. The audio-visual system of claim 1, wherein the upward angle of inclination of the driver'"'"'s median axis is from about 60°

to about 80°

relative to the horizontal plane, and the redirecting baffle is oriented at an upward angle of inclination from about 20°

to about 60°

relative to the horizontal plane.

10. A method of using the audio-visual system of claim 1, comprising placing the audio-visual system in the area and transmitting sound waves from the driver, wherein the area has a ceiling spaced apart from the floor along the height axis, and the ceiling is at least 20 feet higher than the redirecting baffle along the height axis.

11. The method of claim 10, wherein the area has no ceiling.

20. The sound system of claim 1, wherein the driver is parallel to the horizontal plane, and the redirecting baffle is oriented at an upward angle of inclination of from about 20°

to about 60°

relative to the horizontal plane.

12. An sound system, comprising:

a speaker comprising a driver with a median axis oriented at an upward angle of inclination relative to a horizontal plane;

a redirecting baffle located above the speaker along a height axis and oriented at an upward angle of inclination relative to the horizontal plane to receive and redirect soundwaves from the speaker.

13. The sound system of claim 12, wherein the speaker driver has a median axis oriented at an upward angle of inclination of from about 60°

to about 120°

relative to the horizontal plane.

14. The sound system of claim 12, wherein the redirecting baffle is oriented at an angle of no more than about 60°

relative to the horizontal plane.

15. The sound system of claim 12, wherein the redirecting baffle is attached to the top surface of the audio-visual display.

16. The sound system of claim 12, wherein the redirecting baffle is clear.

17. The sound system of claim 12, wherein the redirecting baffle has a surface facing toward the floor, and the surface has words and/or symbols on it.

18. The sound system of claim 12, wherein the redirecting baffle is formed from an acrylic polymer.

19. The sound system of claim 12, further comprising a sound bar having a length along a width axis, wherein the soundbar comprises a plurality of drivers paced apart along the width axis and oriented at non-orthogonal angles relative to the horizontal plane, and the plurality of drivers comprises the driver oriented at an upward angle of inclination relative to the horizontal plane.

21. A sound system display, comprising:

the sound system of claim 12;

a vertical panel and a base, wherein the redirecting baffle and the speaker are attached to the vertical panel.

22. The sound system display of claim 21, wherein the redirecting baffle includes words and/or symbols.

23. The sound system display of claim 21, further comprising a sound bar having a length along a length axis, wherein the soundbar comprises a plurality of drivers spaced apart along the length axis and having respective median axes oriented at non-orthogonal angles relative to the horizontal plane, and the plurality of drivers comprises the driver having a median axis oriented at an upward angle of inclination relative to the horizontal plane.

24. The sound system display of claim 21, wherein the speaker is a first speaker, and the sound system further comprises second and third speakers spaced apart from one another along a length axis and each having a driver with a median axis oriented parallel to the horizontal plane.

25. A method of demonstrating a sound system, comprising:

placing the sound system display of claim 21 in an area having a floor defining the horizontal plane; and

transmitting sound waves to the driver.

26. The method of claim 25, wherein the area has a ceiling, and the ceiling is spaced apart from the redirecting baffle by at least twenty feet along the height axis.

27. The method of claim 25, wherein the area has no ceiling.

28. The method of claim 25, wherein the redirecting baffle is spaced apart from the floor along the height axis by between about seven and about nine feet.

29. The method of claim 25, further comprising deflecting sound waves received from the driver off of the baffle and to a listener standing proximate the sound system display.

30. The method of claim 25, wherein the baffle is clear and has words and/or symbols etched thereon.

31. The method of claim 25, wherein the redirecting baffle projects a first distance along a depth axis from the vertical panel, the base projects a second distance along the depth axis from the vertical panel, and the first distance is no greater than the second distance.

32. The method of claim 25, wherein the sound system further comprises a sound bar having a length along a width axis, wherein the soundbar comprises a plurality of drivers spaced apart along the width axis and oriented at non-orthogonal angles relative to the horizontal plane, and the plurality of drivers comprises the driver oriented upward relative to the horizontal plane.