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I've been using FFT and it's working on audios within 1 hour but when I load a 2 hour audio it's giving me java.lang.OutOfMemoryError: Java heap space. Also, for extra information, I've been using the -Xmx1g to override it but, is there a way to not use it?

This is my code in FFT https://stackoverflow.com/a/27517678/4442430

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    This is your bes bet: stackoverflow.com/questions/2073869/… Commented Jan 11, 2015 at 14:38
  • If you look at the size of the audio you'll have to allocate more than twice that amount in JVM memory since you are storing all the audio of 16 bit data as 32 bit numbers. If you don't need to store all the audio in memory, ie if you're just looking for min/max values, you should keep track of the min/max values separately and avoid storing all the audio in memory. Commented Jan 11, 2015 at 16:18
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