Ambient sonic low-pressure equalization
First Claim
Patent Images
1. A passive ambient in-ear monitor, comprising:
- a housing;
an ear canal stalk;
a filter, wherein the filter includes an outer face and an inner face and wherein ambient sound waves traverse the filter from the outer face to the inner face into an ambient sound channel;
one or more sound drivers, wherein the one or more sound drivers produce internal sound waves; and
a Sonic Low-pressure Equalization Device (“
SLED”
) wherein the SLED is coupled to each of the one or more sound drivers, the ear canal stalk and the ambient sound channel and wherein the SLED includes a predetermined spatial volume channeling internal sound waves and ambient sound waves to the ear canal stalk such that a measure of frequency response of the internal sound waves at the ear canal stalk is maintained within a frequency response predetermined range beginning at 20 Hz.
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Abstract
A passive ambient in-ear monitor includes an interchangeable unidirectional sonic filter that allows ambient sound to pass through to the ear canal and be combined with sound generated by internal drivers. A sonic low pressure equalization device of a predetermined spatial volume links the sonic filter with the internal drivers to deliver to the user a mixture of generated and ambient sound without any substantial degradation to low frequency sound.
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Citations
25 Claims
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1. A passive ambient in-ear monitor, comprising:
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a housing; an ear canal stalk; a filter, wherein the filter includes an outer face and an inner face and wherein ambient sound waves traverse the filter from the outer face to the inner face into an ambient sound channel; one or more sound drivers, wherein the one or more sound drivers produce internal sound waves; and a Sonic Low-pressure Equalization Device (“
SLED”
) wherein the SLED is coupled to each of the one or more sound drivers, the ear canal stalk and the ambient sound channel and wherein the SLED includes a predetermined spatial volume channeling internal sound waves and ambient sound waves to the ear canal stalk such that a measure of frequency response of the internal sound waves at the ear canal stalk is maintained within a frequency response predetermined range beginning at 20 Hz. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for providing passive ambient sound in an in-ear monitor, the method comprising:
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configuring the in-ear monitor to fully occlude an ear canal wherein the in-ear monitor includes an ear canal stalk, one or more drivers, a filter and a Sonic Low-pressure Equalization Device (“
SLED”
);interposing the SLED between each of the one or more sound drivers, the ear canal stalk and the filter; generating, by the one or more drivers, internal sound waves; receiving, by the SLED, ambient sound waves through the filter and internal sound waves from the one or more sound drivers; and channeling, by the SLED, ambient sounds waves and internal sound waves through a predetermined spatial volume to the ear canal stalk such that a measure of frequency response of the internal sound waves generated by the one or more sound drivers at the ear canal stalk is maintained within a frequency response predetermined range beginning at 20 Hz. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification