# Any examples of MemoryMappedAudioFormatReader's usage?

**URL:** <https://forum.juce.com/t/any-examples-of-memorymappedaudioformatreaders-usage/16801>\
**Category:** Audio Plugins\
**Created:** [February 28, 2016, 9:56am UTC](https://forum.juce.com/t/any-examples-of-memorymappedaudioformatreaders-usage/16801 "2016-02-28T09:56:41Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![jules](https://avatars.discourse-cdn.com/v4/letter/j/41988e/32.png) [@jules](https://forum.juce.com/u/jules)\
**Post date:** [March 1, 2016, 5:17pm UTC](https://forum.juce.com/t/any-examples-of-memorymappedaudioformatreaders-usage/16801/13 "2016-03-01T17:17:59Z")

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We had to do this in Tracktion - on 64-bit systems we just memory-map everything, but in 32-bit there's a horrible system where it maps chunks of files and moves these in and out of memory as you play.

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