Android Log

when i run my game, and see android log, it print lot of logs like this:

AudioTrack: obtainBuffer(445) returned 451 = 445 + 6 err 0

AudioTrack: obtainBuffer(445) returned 6 = 6 + 0 err 0

AudioTrack: obtainBuffer(445) returned 447 = 372 + 75 err 0

AudioTrack: obtainBuffer(73) returned 75 = 73 + 2 err 0

is there any wrong? how can fix it ?