Gaia/System/Sound

UX Requirements

• UI Sounds
  • Button presses
  • Keyboard keys

• Event sounds
  • Outgoing Mail sent/fail
  • Outgoing message sent/fail

• Notifications
  • Incoming notification
    • Different sounds for notification types?

• Alarms
  • Clock
  • Calender
  • Low battery/critical system alert

• Ringtones (These could be volume controlled, but would also be nice to have different sounds for each type of volume)
  • Normal
  • Loud
  • Quiet

Functional requirements

• Sound priorities
  • eg. Alarms > Music > UI

• Sound behaviors
  • eg. Music should fade out for alarms

• System wide volume controls, globally scale sound from various sound levels:
  • Vibrate
  • Silent
  • Quiet
  • Normal
  • Loud
  • Phone Only