BT-350 Documentation

8. Audio Management

8.1. Audio Management overview

You can change and acquire presets for the microphone gain. You can adjust the sensitivity for recorded volume when the volume recorded using a cable microphone is too high or too low. Use the best setting to suit your usage.

  • Import file

  • Constructor

    AudioControl (Context context)

  • Interface

    • Set microphone sensitivity preset

      boolean setALCPreset (int preset)


      [in] preset : Preset ID

      Return value

      Execution results : true (success), false (failure)

    • Acquire microphone gain sensitivity preset

      int getALCPreset()



      Return value

      Current Preset ID (See Table 8-1 Preset list)

Table 8-1 Preset list
Data type Static name Value Explanation
static final int PRESET_0 0 No sensitivity control
static final int PRESET_1 1 Sensitivity "Low"
static final int PRESET_2 2 Sensitivity "Medium" (Default)
static final int PRESET_3 3 Sensitivity "High"
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