Microphone array arrangement structure in vehicle cabin
First Claim
1. A microphone array arrangement structure in a vehicle cabin, comprising a plurality of microphones,wherein the plurality of microphones are all provided within a single housing and arranged in a convexly curved line, the plurality of microphones including:
- a first microphone, an axial direction of the first microphone facing a mouth of a driver seated in a driver seat of the vehicle cabin;
a second microphone, an axial direction of the second microphone facing a mouth of an assistant seated in a passenger seat of the vehicle cabin; and
a cover housing the plurality of microphones and having a plurality of holes formed in a front surface of the cover, the front surface of the cover formed in the convexly curved line, and each of the plurality of microphones is mounted on a substrate which is secured directly to an inner side of the front surface of the cover at a location corresponding to one of the plurality of holes,whereinthe plurality of holes includes a set of holes that are bilaterally symmetrical about a center line of the vehicle cabin, the axial direction of the first microphone faces the mouth of the driver via one of the laterally symmetrical set of holes, and the axial direction of the second microphone faces the mouth of the assistant via another one of the laterally symmetrical set of holes, andthe microphone array further comprising a plurality of seals provided between the plurality of microphones and the plurality of holes, one of the plurality of seals corresponding to one of the plurality of holes and preventing entry of sound from other than the one hole into a single microphone among the plurality of microphones.
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Accused Products
Abstract
A microphone array arrangement structure in a vehicle cabin is provided with multiple microphones arranged in a convex line. The microphones include a first microphone, and the direction of the axis of the first microphone faces the mouth of the driver. The microphone array arrangement structure is provided with covers housing the microphones and having multiple holes. The front surface of the covers form a convexly curved line, and each of the microphones is fixed inside of a cover to correspond to one of the holes.
8 Citations
10 Claims
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1. A microphone array arrangement structure in a vehicle cabin, comprising a plurality of microphones,
wherein the plurality of microphones are all provided within a single housing and arranged in a convexly curved line, the plurality of microphones including: -
a first microphone, an axial direction of the first microphone facing a mouth of a driver seated in a driver seat of the vehicle cabin; a second microphone, an axial direction of the second microphone facing a mouth of an assistant seated in a passenger seat of the vehicle cabin; and a cover housing the plurality of microphones and having a plurality of holes formed in a front surface of the cover, the front surface of the cover formed in the convexly curved line, and each of the plurality of microphones is mounted on a substrate which is secured directly to an inner side of the front surface of the cover at a location corresponding to one of the plurality of holes, wherein the plurality of holes includes a set of holes that are bilaterally symmetrical about a center line of the vehicle cabin, the axial direction of the first microphone faces the mouth of the driver via one of the laterally symmetrical set of holes, and the axial direction of the second microphone faces the mouth of the assistant via another one of the laterally symmetrical set of holes, and the microphone array further comprising a plurality of seals provided between the plurality of microphones and the plurality of holes, one of the plurality of seals corresponding to one of the plurality of holes and preventing entry of sound from other than the one hole into a single microphone among the plurality of microphones. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification