2018-11-18 20:08:51.063 358-1704/? D/AudioALSAPlaybackHandlerVoice: open(), audio_mode: 2, u8BGSUlGain: 0, u8BGSDlGain: 0, audio_format: 3 => 1, sample_rate: 48000 => 32000, ch: 2 => 1, buffer_size: (write)2048, (bgs)5128, flag: 0x6, mLatencyUs: 5333