20240056763. MICROPHONE ASSEMBLY WITH TAPERED PORT simplified abstract (Meta Platforms Technologies, LLC)

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MICROPHONE ASSEMBLY WITH TAPERED PORT

Organization Name

Meta Platforms Technologies, LLC

Inventor(s)

David Brokenshire of Maidenhead (GB)

Chuankeat Kho of San Jose CA (US)

Pablo Francisco Faundez Hoffmann of Kenmore WA (US)

Chuming Zhao of Bellevue WA (US)

MICROPHONE ASSEMBLY WITH TAPERED PORT - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240056763 titled 'MICROPHONE ASSEMBLY WITH TAPERED PORT

Simplified Explanation

The abstract describes an audio system that uses diffuse field head-related transfer functions (HRTFs) and device-specific data to perform equalization of audio signals. User-specific data and device-specific data are used to predict an acoustic response for a user. An equalization filter is determined based on the acoustic response and the diffuse field HRTFs. This filter is then applied to a processed version of an audio signal to create a modified version of the audio signal. The modified audio signal is presented to the user through a transducer array. The audio system may also include a microphone assembly to reduce the Helmholtz resonance effect.

  • The audio system performs equalization of audio signals based on diffuse field HRTFs and device-specific data.
  • User-specific data and device-specific data are used to predict the acoustic response for a user.
  • An equalization filter is determined using the acoustic response and the diffuse field HRTFs.
  • The equalization filter is applied to a processed version of the audio signal to create a modified version.
  • The modified audio signal is presented to the user through a transducer array.
  • The audio system may include a microphone assembly to reduce the Helmholtz resonance effect.

Potential Applications

  • Personalized audio systems for individuals, such as in headphones or hearing aids.
  • Virtual reality and augmented reality systems to enhance the audio experience.
  • Automotive audio systems to provide customized sound for different passengers.

Problems Solved

  • Inaccurate audio reproduction due to individual differences in hearing and device characteristics.
  • Lack of personalized audio experience in various applications.
  • Helmholtz resonance effect in microphone assemblies affecting audio quality.

Benefits

  • Improved audio quality and accuracy by considering individual hearing characteristics.
  • Enhanced user experience with personalized audio.
  • Reduction of the Helmholtz resonance effect for better microphone performance.


Original Abstract Submitted

embodiments relate to an audio system that performs equalization of audio signals based on one or more diffuse field head-related transfer functions (hrtfs) and device-specific data. user-specific data and device-specific data (i.e., transducer-specific data) are applied to an acoustic model to predict an acoustic response for a user. an equalization filter is then determined using the acoustic response and the one or more diffuse field hrtfs. the equalization filter is applied to a processed version of an audio signal to create a modified version of the audio signal. the modified version of the audio signal is presented to the user via a transducer array of the audio system. the audio system can further include a microphone assembly that reduces the helmholtz resonance effect.

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