Accessible audio: Android hearing aid support and the audio framework
summary
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.
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chapters (10)
- 0:00Introduction to hearing loss
- 1:56Understanding hearing loss
- 7:00Hearing aids and challenges
- 8:39Sound amplifier demo
- 12:11Dynamics processing effect
- 18:16Implementing an equalizer
- 22:22Inside sound amplifier
- 26:58Hearing aid support
- 31:16Hardware and API support
- 38:27Conclusion
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