[android-developers] Heap size overflow after I loaded audio file in SoundPool!!

After the program executed "SoundPool.load( "/sdcard/audio.MP3", 1 )"
sentence, the program crashed and threw the log "Heap size overflow!
req size: 1073664, max size: 1048576".

My source code is listed as blow.  What is the root cause for this
error?? Thanks!!

/*============================================================
private final String    SPEECH_FILE_FULL_NAME   = "/sdcard/audio.mp3";

AudioManager mAudioManager = ( AudioManager )( getSystemService
( Context.AUDIO_SERVICE ) );
float mVolume = mAudioManager.getStreamVolume
( AudioManager.STREAM_MUSIC );

int mSoundId = mSoundPool.load( SPEECH_FILE_FULL_NAME, 1 );
mSoundPool.setRate( mSoundId, 1.2f );
mSoundPool.play( mSoundId, mVolume, mVolume, 1, 0, 1.2f );
/*============================================================
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