Ear-mountable listening device with magnetic connector

1. An ear-mountable listening device, comprising:

an acoustic package configured to emit audio in response to an audio signal, wherein the acoustic package includes a first set of magnets arranged annularly about a central axis of the ear-mountable listening device; and

an electronics package electrically coupled to the acoustic package when the ear-mountable listening device is worn to provide the audio signal to the acoustic package, wherein the electronics package includes a second set of magnets arranged annularly about the central axis proximate to a proximal end of the electronics package to removably affix the electronics package to the acoustic package via magnetic forces between the first set of magnets and the second set of magnets when the ear-mountable listening device is worn, wherein the first set of magnets and the second set of magnets are structured to form a rotary user interface for the ear-mountable listening device via rotation of the electronics package about the central axis with respect to the acoustic package.

2. The ear-mountable listening device of claim 1 , wherein the first set of magnets and the second set of magnets to have alternating surface polarities about the central axis of the ear-mountable listening device.

3. The ear-mountable listening device of claim 2 , wherein the alternating surface polarities of the first set of magnets and the second set of magnets are symmetric about the central axis.

4. The ear-mountable listening device of claim 2 , wherein the rotary user interface includes a plurality of detents.

5. The ear-mountable listening device of claim 4 , wherein the first set of magnets forms a first surface of the acoustic package, wherein the second set of magnets forms a second surface of the electronics package, and wherein the first surface is shaped to have conformal contact with the second surface when the ear-mountable listening device is worn.

6. The ear-mountable listening device of claim 5 , wherein the alternating surface polarities correspond to transitions between north and south polarities at the first surface of the acoustic package or the second surface of the electronics package, wherein a total number of detents included in the plurality of detents is based on a quantity of the transitions, and wherein there are at least two detents per complete rotation of the electronics package included in the plurality of detents.

7. The ear-mountable listening device of claim 6 , wherein the first set of magnets and the second set of magnets each contain an equal number of individual magnets that is greater than or equal to four.

8. The ear-mountable listening device of claim 6 , wherein the first set of magnets and the second set of magnets are each structured to substantially confine magnetic flux from the first set of magnets and the second set of magnets to the first surface of the acoustic package and the second surface of the electronics package, respectively.

9. The ear-mountable listening device of claim 8 , wherein the electronics package includes one or more microphones, wherein the acoustic package includes one or more electroacoustic transducers, wherein the first surface of acoustic package is positioned to face the second surface of the electronics package when the ear-mountable listening device is worn such that the one or more microphones of the electronics package and the one or more electroacoustic transducers of the acoustic package are not influenced by the magnetic flux.

10. The ear-mountable listening device of claim 2 , wherein the acoustic package further includes a post with a first width, a shelf with a second width greater than the first width such that the shelf is proud of the post, and a tapered segment with a variable width, wherein the first set of magnets are disposed in or on the shelf, and wherein the shelf is disposed between the post and the tapered segment.

11. The ear-mountable listening device of claim 10 , wherein the proximal end of the electronics package is shaped to form a cylindrical port with a third width greater than the first width such that the post of the acoustic package fits within the cylindrical port to support the rotation of the electronics package about the central axis with respect to the acoustic package.

12. The ear-mountable listening device of claim 11 , wherein the acoustic package includes one or more electrical traces extending circumferentially around the post to maintain electrical contact between electronics package and the acoustic package during the rotation of the electronics package.

13. The ear-mountable listening device of claim 2 , wherein the electronics package or the acoustic package further includes a first sensor positioned to determine an angular position of the electronics package about the central axis relative to the acoustic package.

14. The ear-mountable listening device of claim 13 , wherein the first sensor is a magnetometer, an accelerometer, or a gyroscope.

15. The ear-mountable listening device of claim 13 , wherein the electronics package further comprises a controller coupled to the first sensor to calculate a change in the angular position due to the rotation based, at least in part, on an output of the first sensor.

16. The ear-mountable listening device of claim 15 , wherein the controller is coupled to logic that, when executed by the controller, causes the ear-mountable listening device to perform operations, including:

monitoring the output of the first sensor over a first period of time;

calculating the change in the angular position associated with the rotation based, at least in part, on the output of the first sensor; and

registering a rotary command input by a user based on the change in the angular position of the electronics package relative to the acoustic package during the first period of time.

17. The ear-mountable listening device of claim 16 , wherein the controller is coupled to additional logic that, when executed by the controller, causes the ear-mountable listening device to perform further operations, including:

implementing the rotary command by adjusting the audio emitted by the ear-mountable listening device.

18. The ear-mountable listening device of claim 17 , wherein the adjusting of the audio includes at least one of increasing a volume of the audio, decreasing the volume of the audio, initiating a playback of the audio, or terminating the playback of the audio.

19. The ear-mountable listening device of claim 9 , further comprising:

a plurality of sensors to collectively determine a change in angular position of the electronics package about the central axis relative to the acoustic package based on the rotation; and

a controller coupled to the plurality of sensors and logic, wherein the logic, when executed by the controller, causes the ear-mountable listening device to perform operations, including:

providing an output of the plurality of sensors as an input to a machine learning model included in the logic, and wherein the machine learning model outputs the angular position of the electronics package with respect to the acoustic package in response.

20. A binaural listening system, comprising:

a first ear-mountable listening device for wearing in a first ear of a user; and

a second ear-mountable listening device for wearing in a second ear of the user, and

wherein the first and second ear-mountable listening devices each include:

an acoustic package configured to emit audio in response to an audio signal, wherein the acoustic package includes a first set of magnets arranged annularly about a central axis of the ear-mountable listening device; and

an electronics package electrically coupled to the acoustic package when the ear-mountable listening device is worn to provide the audio signal to the acoustic package, wherein the electronics package includes a second set of magnets arranged annularly about the central axis proximate to a proximal end of the electronics package to removably affix the electronics package to the acoustic package via magnetic forces between the first set of magnets and the second set of magnets, wherein the first set of magnets and the second set of magnets are structured to form a rotary user interface for the ear-mountable listening device via rotation of the electronics package about the central axis with respect to the acoustic package.

21. The binaural listening system of claim 20 , wherein the first set of magnets and the second set of magnets are structured to have alternating surface polarities about the central axis of the ear-mountable listening device.