And Sys Audio Mngr

以下のストリーム毎の音量を設定/確認が出来ます。
STREAM_ALARM(アラーム音量)
STREAM_DTMF(ダイヤル音量)
STREAM_VOICE_CALL(通知音量)
STREAM_SYSTEM(システムメッセージ音量)
STREAM_RING(着信音量)
STREAM_NOTIFICATION(通知音量)
STREAM_MUSIC(音楽再生音量) Set the volume of each following stream / confirmation you can be.
STREAM_ALARM (alarm volume)
STREAM_DTMF (dial volume)
STREAM_VOICE_CALL (notification volume)
STREAM_SYSTEM (system message volume)
STREAM_RING (ring volume)
STREAM_NOTIFICATION (notification volume)
STREAM_MUSIC (music playback volume)