Cartilage conduction audio system for eyewear devices
AssigneeFacebook Technologies, LLC
InventorsAntonio John Miller, Ravish Mehra
Life of this patent
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Abstract
An audio system includes a transducer assembly, an audio sensor, and a controller. The transducer assembly is coupled to a back of an auricle of an ear of the user. The transducer assembly vibrates the auricle over a frequency range to cause the auricle to create an acoustic pressure wave in accordance with vibration instructions. The acoustic sensor detects the acoustic pressure wave at an entrance of the ear of the user. The controller dynamically adjusts a frequency response model based in part on the detected acoustic pressure wave, updates the vibration instructions using the adjusted frequency response model, and provides the updated vibration instructions to the transducer assembly.
Claims20
An audio system comprising:
- a transducer assembly configured to be coupled to a first portion of a back of an auricle of an ear of a user, the transducer assembly including at least one transducer that is configured to vibrate the auricle over a frequency range to cause the auricle to create an airborne acoustic pressure wave in an ear canal of the user in accordance with vibration instructions, and the airborne acoustic pressure wave corresponds to and is for presentation of audio content to the user;
- an acoustic sensor configured to detect the airborne acoustic pressure wave at an entrance of the ear of the user;
- and
- a controller configured to:
- dynamically adjust a frequency response model based in part on the detected airborne acoustic pressure wave;
- update the vibration instructions using the adjusted frequency response model;
- and
- provide the updated vibration instructions to the transducer assembly.
An eyewear device comprising:
- a transducer assembly configured to be coupled to a first portion of a back of an auricle of an ear of a user, the transducer assembly including at least one transducer that is configured to vibrate the auricle over a frequency range to cause the auricle to create an airborne acoustic pressure wave in an ear canal of the user in accordance with vibration instructions, and the airborne acoustic pressure wave corresponds to and is for presentation of audio content to the user;
- a controller configured to:
- generate the vibration instructions using a frequency response model and the audio content;
- and
- provide the vibration instructions to the transducer assembly.
A non-transitory computer-readable storage medium storing executable computer program instructions, the computer program instructions comprising instructions for:
- generating vibration instructions using a frequency response model and audio content;
- providing the vibration instructions to a transducer assembly configured to be coupled to a first portion of a back of an auricle of an ear of a user, wherein the transducer assembly includes at least one transducer that is configured to vibrate the auricle over a frequency range to cause the auricle to create an airborne acoustic pressure wave in an ear canal of the user, and the airborne acoustic pressure wave corresponds to and is for presentation of the audio content to the user;
- detecting the airborne acoustic wave pressure at an entrance of the ear of the user;
- adjusting the frequency response model based in part on the detected airborne acoustic pressure wave;
- updating the vibration instructions using the adjusted frequency response model;
- and
- providing the updated vibration instructions to the transducer assembly.
Dependencies are inferred from the claim text.