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STM32F4 - Discovery - Example "Audio_playback_and_record"

Question asked by belloni.fabrizio on Nov 11, 2013
Good morning,
i have a problem with STM32F4 – Discovery board. I’m using the example “Audio_playback_and_record” for STM32F4 – Discovery. In this example i read files .wav from Flash USB 2.0. I have connected a Flash USB that can reach a speed read of 60Mbits/s . When i read data from Flash USB with STM32F4 – Discovery the read speed is very slow (2 ms to read 1024 byte). 
Is possible to increase the read speed? How can i do?
 Thanks for your help.