Schedule audio values instead of the .value setter
Schedule audio values instead of the .value setter

This is about the use of Web Audio API in the speaker adapter.

- Removes the compiler deprecation warning about removed dezippering.
  See https://www.chromestatus.com/feature/5287995770929152
- Setting the parameter using .value can be ignored if other automation
  events are scheduled.
  See https://developer.mozilla.org/en-US/docs/Web/API/AudioParam

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