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using speex library

Question asked by os.shima on Aug 4, 2015
Latest reply on Aug 5, 2015 by Clive One

I used STM32F10x_AN2812_FW_V2.0.0 to have speex encoding /decoding on voice on my Discovery board.

 I used encoding functions and then decoding one and saved the data in .wav format using FATFS. It works very well and I am sure that my code is correct but there is a problem, I want to omit decoding step and save encoded data in .spx format. The main problem is **adding suitable header** to .spx file.

How can I save encoded data in .spx format which PC software could play it?