Dual-lens image capture device microphone positioning
Microphones are disposed on different surfaces of an image capture device to generate different microphone capture patterns. A microphone with three microphone elements is disposed on the top surface of the image capture device. The three microphone elements are arranged in an equilateral triangular configuration. A second microphone with at least two microphone elements is disposed on the front surface of the image capture device. The at least two microphone elements are disposed on the front surface of the image capture device in a vertical configuration. A third microphone with at least one microphone element is disposed on a back surface of the image capture device.
1 . An image capture apparatus, comprising:
a first image sensor disposed on a first surface facing a first direction, the first image sensor having a first field-of-view (FOV) and configured to obtain first image data;
a second image sensor disposed on a second surface facing a second direction that differs from the first direction, the second image sensor having a second FOV that partially overlaps with the first FOV and configured to obtain second image data;
a microphone array comprising:
a first microphone facing the first direction, the first microphone being disposed on a same side of the first surface as the first image sensor, wherein the first microphone includes two microphone elements disposed in a vertical configuration on the same side of the first surface relative to the first image sensor; and
a second microphone facing a third direction that is perpendicular to the first and second directions, wherein the second microphone comprises a first microphone element, a second microphone element, and a third microphone element disposed in an equilateral triangular configuration; and
a processor configured to:
select, based on the first and second image data from the first and second image sensors, a microphone capture pattern corresponding to an overlap region of the first FOV and the second FOV; and
apply a spatial filtering algorithm that dynamically weights microphone signals based on a detected orientation of the image capture apparatus and the overlap region of the first FOV and the second FOV to generate a stereo microphone capture pattern using the second microphone.
2 . The image capture apparatus of claim 1 , wherein the stereo microphone capture pattern is generated using the first microphone element and the second microphone element to produce a left channel.
3 . The image capture apparatus of claim 2 , wherein the stereo microphone capture pattern is generated using the first microphone element and the third microphone element to produce a right channel.
4 . The image capture apparatus of claim 1 , further comprising:
a third microphone facing the second direction, wherein the third microphone comprises at least one microphone element, wherein the microphone capture pattern is associated with a sound field of the first microphone and the third microphone.
5 . The image capture apparatus of claim 4 , wherein the third microphone is a drain microphone.
6 . The image capture apparatus of claim 1 , further comprising:
a third microphone facing the second direction, wherein the third microphone comprises at least one microphone element, wherein the microphone capture pattern is associated with a sound field of the second microphone and the third microphone.
7 . The image capture apparatus of claim 1 , further comprising:
a third microphone facing the second direction, wherein the third microphone comprises at least one microphone element, wherein the microphone capture pattern is associated with a sound field of the first microphone, the second microphone, and the third microphone.
8 . An image capture apparatus, comprising:
a first image sensor disposed on a first surface facing a first direction, the first image sensor having a first field-of-view (FOV) and configured to obtain first image data;
a second image sensor disposed on a second surface facing a second direction that differs from the first direction, the second image sensor having a second FOV that partially overlaps with the first FOV and configured to obtain second image data;
a microphone array comprising:
a first microphone facing the first direction, the first microphone being disposed on a same side of the first surface as the first image sensor, wherein the first microphone includes two microphone elements disposed in a vertical configuration on the same side of the first surface relative to the first image sensor; and
a second microphone facing a third direction that is perpendicular to the first and second directions, wherein the second microphone comprises a first microphone element, a second microphone element, and a third microphone element disposed in an equilateral triangular configuration; and
a processor configured to:
select, based on the first and second image data from the first and second image sensors, a microphone capture pattern corresponding to an overlap region of the first FOV and the second FOV; and
apply a spatial filtering algorithm that dynamically weights microphone signals based on a detected orientation of the image capture apparatus and the overlap region of the first FOV and the second FOV to generate a 360-degree microphone capture pattern using the first microphone and the second microphone.
9 . The image capture apparatus of claim 8 , wherein the 360-degree microphone capture pattern is generated using the first microphone element and the second microphone element to produce a left channel associated with an X-axis and a Y-axis.
10 . The image capture apparatus of claim 9 , wherein the 360-degree microphone capture pattern is generated using the first microphone element and the third microphone element to produce a right channel associated with the X-axis and the Y-axis.
11 . The image capture apparatus of claim 10 , wherein the 360-degree microphone capture pattern is generated using the two microphone elements of the first microphone to produce a channel associated with a Z-axis.
12 . The image capture apparatus of claim 8 , further comprising:
a third microphone facing the second direction, wherein the third microphone comprises at least one microphone element, wherein the microphone capture pattern is associated with a sound field of the first microphone and the third microphone.
13 . The image capture apparatus of claim 12 , wherein the third microphone is a drain microphone.
14 . The image capture apparatus of claim 8 , further comprising:
a third microphone facing the second direction, wherein the third microphone comprises at least one microphone element, wherein the microphone capture pattern is associated with a sound field of the second microphone and the third microphone.
15 . The image capture apparatus of claim 8 , further comprising:
a third microphone facing the second direction, wherein the third microphone comprises at least one microphone element, wherein the microphone capture pattern is associated with a sound field of the first microphone, the second microphone, and the third microphone.
16 . A method comprising:
obtaining first audio via a first microphone facing a first direction, the first microphone being disposed on a first surface of a device, wherein the first microphone includes two microphone elements disposed in a vertical configuration on the first surface of the device;
obtaining second audio via a second microphone facing a second direction that is perpendicular to the first direction, wherein the second microphone comprises a first microphone element, a second microphone element, and a third microphone element disposed in an equilateral triangular configuration; and
generating a 360-degree microphone capture pattern using the first microphone and the second microphone, wherein generating the 360-degree microphone capture pattern comprises:
selecting a microphone capture pattern corresponding to a field-of-view (FOV) overlap region of image sensors; and
applying a spatial filtering algorithm that dynamically weights microphone signals based on a detected orientation of an apparatus and the overlap region of the image sensors.
17 . The method of claim 16 , wherein generating the 360-degree microphone capture pattern includes using the first microphone element and the second microphone element to produce a left channel associated with an X-axis and a Y-axis.
18 . The method of claim 17 , wherein generating the 360-degree microphone capture pattern includes using the first microphone element and the third microphone element to produce a right channel associated with the X-axis and the Y-axis.
19 . The method of claim 18 , wherein generating the 360-degree microphone capture pattern includes using the two microphone elements of the first microphone to produce a channel associated with a Z-axis.
20 . The method of claim 16 , further comprising:
obtaining third audio via a third microphone facing a third direction that is perpendicular to the second direction, wherein the third microphone comprises at least one microphone element, and wherein the microphone capture pattern is associated with a sound field of the first microphone and the third microphone.