Recording and playing Audio at the same time

Hi,
Having problem with a MMAPI imp.
The simplest way of doing it is to start one thread playing a audio file of any kind.. As it is playing start a other thread that start a audio recording.
As soon as the audio recording is allowed to record (Security promt) the audio playback stops. And the playerListstner sends a END_OF_MEDIA event.
So my question is: Is there a way of doing playback and recording at the same time or is this a limit on the phone or the MMAPI?
This has been tested on Nokia N90 and SE W550i with same reults
Cheers
Kenth

i also desperately need to record and play audio at the same time.. i have a term project, i am develeoping a karaoke player in j2me and it is supposed to capture the voice at the same time background song is played.. and it is also supposed to grade the singer according to the pitch of voice.. please help me about recording and playing audio at the same time...

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