playFlashRaw not working correctly?

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Neto-Zeme

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Hello!

I tried using the playFlashRaw mechanic but it's not really working. I wrote a small programm playing a sound, when I press a button.

I can play wavs and raws from the SD card without problems. Also it copies my sd files completely to my flash chip and if I play a raw-file from the flash isPlaying() returns true. But all I hear is a noise which changes to higher tones each time I press a button but after that it just continues all the way till I disconnect the teensy from my mini-USB. loading up new sketches still keep on playing the same noise as before. I converted my wavs with audacity to 44100 Hz 16 Bit signed and SD Card is playing them. What can I do?

I connected the board with short cables with my teensy (7 cm) could this be a problem for the flash?
 
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