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Accessible audio: Android hearing aid support and the audio framework

Talkat Google I/O 2019 · 2019-05-07..05-09· [accessibility, android]
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466 million people have disabling hearing loss and Android ships concrete tools: the Dynamics Processing Effect (DPE) (introduced in Android Pie) with configurable pre/post EQ, multi‑band compressor, limiter and runtime band controls; a reference equalizer app that sets sessionId, 10 ms frame targets and updates band gains live; Sound Amplifier using DPE plus spectral noise‑reduction that attenuates long‑standing frequencies; and Android Streaming Hearing Aid (ASHA) over BLE CoC with one LE channel per ear, Pixel 3 launch on Q and week‑long battery life.

AI-written summary · about

  1. 0:00Introduction to hearing loss
  2. 1:56Understanding hearing loss
  3. 7:00Hearing aids and challenges
  4. 8:39Sound amplifier demo
  5. 12:11Dynamics processing effect
  6. 18:16Implementing an equalizer
  7. 22:22Inside sound amplifier
  8. 26:58Hearing aid support
  9. 31:16Hardware and API support
  10. 38:27Conclusion
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