About Testing Android audio playback delay some of the problems encountered in the process ( for help )

The so-called audio playback time , that is, from the beginning to the precipitating event audio playback sounds really sound from your Android device during this time in milliseconds .
delay in testing this issue encountered a series of problems, such as sowing SoundPool finish WAV files, and so on are always less then a few ms . MediaPlayer, AudioTrack assessed using timed , but encountered the following problems ( with photos )
Please enlighten insight ! There are friends and share their ideas .

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My mission with the audio 3s first one occurrence the delay should be AudioHardware standby recovery time.
------ eference --------------------------------------- < br> landlord, there has been progress this issue yet ? I also see AudioTrack delay related things , you can explore together ah
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audio playback 'd done a lot , but did not like you consider so comprehensive ! Landlord, refueling
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Q: 1509711525 Thank you !